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FIGURE 2. Aspirin causes a dose-dependent down-regulation of murine GPIb and GPV. Whole blood was incubated with 100 M, 1, 5, 10, and 50 mM of aspirin for 2 h. After that, GPIb A ; and GPV B ; expression on the platelet surface was quantitatively determined by flow cytometry. The kinetics of GPIb C ; and GPV D ; down-regulation was assessed using 10 mM aspirin open triangles ; . At the same concentration and conditions, lysine black circles ; or salicylic acid black triangles ; were incubated in parallel n 9 ; and samples were measured by flow cytometry. E, after incubation of platelet-rich plasma with aspirin for 2 h at indicated concentrations 2 mM and 10 mM ; , platelet aggregation was stimulated with ADP 10 M ; , collagen 3 g ml ; , PMA 500 ng ml ; indicated by the arrows ; and light transmission was recorded. Data shown are representative for three different experiments.
The Massport Retirement System purchased tickets for this Boston Globe event last year and those of you who attended said it was a Saturday well spent. Save the date for this year's conference Saturday, November 17, 2001.
Class 1: Stimulant and depressant drugs that have the highest potential to affect performance and that have no generally accepted medical use in the racing horse. Many of these agents are Drug Enforcement Agency DEA ; schedule II substances. These include the following drugs and their metabolites: Opiates, opium derivatives, synthetic opioids and psychoactive drugs, amphetamines and amphetamine-like drugs as well as related drugs, including but not limited to apomorphine, nikethamide, mazindol, pemoline, and pentylenetetrazol.
These questions have particular relevance to gastrointestinal function during old age. There is considerable evidence that the incidence of certain problems, such as dysphagia and constipation, increases dramatically with age. The following article is not designed to be an exhaustive overview of all aspects of gastrointestinal function in aging. Rather, the focus is on recent advances in our knowledge of the effects of aging, treatment options and future opportunities for research. Due to limited space, many important contributions have been summarized without specific attribution.
Studies in the murine model have demonstrated that increasing the dose of P from 10 to 15 mg kg increases the antituberculosis activity 16 ; , a finding consistent with the concentration-dependent activity of the rifamycins 17-19 ; . Once-weekly continuation phase regimens based on a 15 mg kg dose of P are at least as active as twice-weekly RH, but are not as active as daily RH 9 ; . This led us to hypothesize that using P twice-weekly rather than once-weekly would significantly increase the rifamycin exposure and result in activity similar to that of standard daily therapy. Prior experience in the murine model suggested that the substitution of moxifloxacin M ; for H would lead to additional gains in activity 9, 20, 21 ; . In the current series of studies the bactericidal and sterilizing activities of modified twice-weekly regimens were compared to those of standard daily therapy in the murine model of TB. In study 1, we used the predominantly twice-weekly RHZ-based regimen as the foundation to assess the effect of three modifications: substitution of M for H, substitution of P for R during the intermittent phase of therapy, and increasing the dose of P from 10 to 15 and 20 mg kg. In study 2, we systematically determined the contribution of individual drugs or drug combinations to the activity of twice-weekly Pbased regimens. Finally, single and multiple-dose pharmacokinetic PK ; studies were conducted to determine whether twice-weekly P regimens provide increased effective rifamycin exposure compared to daily R.
Expression during the ovarian cycle and pregnancy in sheep. Biol Reprod 2000; 62: 781 Sawdy R, Slater D, Fisk N, Edmonds DK, Bennett P. Use of a cyclo-oxygenase type-2-selective non-steroidal antiinflammatory agent to prevent preterm delivery. Lancet 1997; 350: 265 Slattery MM, Friel AM, Healy DG, Morrison JJ. Uterine relaxant effects of cyclooxygenase-2 inhibitors in vitro. Obstet Gynecol 2001; 98: 5639. Bukowski R, Saade GR. New developments in the management of preterm labor review . Semin Perinatol. 2001; 25: 27294. Shellhaas CS, Iams JD. The diagnosis and management of preterm labor review . J Obstet Gynaecol Res 2001; 6: 30511. Lee PR, Kim SR, Jung BK, Kim KR, Chung JY, Won HS, Kim A. Therapeutic effect of cyclo-oxygenase inhibitors with different isoform selectivity in lipopolysaccharideinduced preterm birth in mice. J Obstet Gynecol 2003; 189: 261 Guerguerian AM, Hardy P, Bhattacharya M, Olley P, Clyman RI, Fouron JC, et al. Expression of cyclooxygenase in ductus arteriosis of fetal and newborn pigs. J Obstet Gynecol 1998; 179: 1618 Loftin CD, Trivedi DB, Langenbach R. Cyclooxygenase1-selective inhibition prolongs gestation in mice without adverse effects on the ductus arteriosus. Clin Invest 2002; 110: 549 Holmes RP, Stone PR. Severe oligohydramnios induced by cyclooxygenase-2 inhibitor nimesulide. Obstet Gynecol 2000; 96: 810 Locatelli A, Vergani P, Bellini P, Strobelt N, Ghidini A. Can a cyclo-oxygenase type-2 selective tocolytic agent avoid the fetal side effects of indomethacin? BJOG 2001; 108: 325 Peruzzi L, Gianoglio B, Porcellini MG, Coppo R. Neonatal end-stage renal failure associated with maternal ingestion of cyclo-oxygenase-type-1 selective inhibitor nimesulide as tocolytic. Lancet 1999; 354: 1615. Crowther CA, Moore V. Magnesium for preventing preterm birth after threatened preterm labour review . Cochrane Database Syst Rev 2000; 2: CD000940. Steer CM, Petrie RH. A comparison of magnesium sulfate and alcohol for the prevention of premature labor. J Obstet Gynecol 1977; 129: 1 and muse.
A member of the clinical faculty for several decades, Charles M. Edelen endeavored to promote scholarly writing by residents in surgery. The best paper of the year by a surgical resident merits the award. To be eligible, the paper must be submitted for publication by May. A committee of three surgical faculty members judges the papers.
Published a policy statement in March of the same year, stating: "Image recording by commercial entities does not provide benefit to the patient and should not occur in. the emergency department setting." To date, the American Academy of Emergency Medicine has yet to weigh in on this subject. Summary There are few patient-centered arguments to support the current practice of EDs and EPs ; participating in the filming of reality television programs. The potential ethical violations of patients' rights cannot be justified and therefore this activity should be halted. This can and will occur when emergency physicians refuse to participate and mycostatin.
Reviously it has been demonstrated that deendothelialized rings of rabbit aorta relax after exposure to UV light.1 This photorelaxation is reportedly independent of endothelium, is accompanied by a rise in cyclic GMP, is markedly potentiated by addition of nitrite ion or superoxide dismutase SOD ; , and is inhibited by hemoglobin or methylene blue. These observations suggest that UV irradiation acts on some photosensitive material in the bathing solution and or smooth muscle cell to produce a relaxing factor similar if not identical to nitric oxide NO ; . More recently it has become apparent that there may be tissue and species differences in the release of photoactivable substances from the vasculature2 and that results from different laboratories contradict the notion that UV light simply releases NO from vascular smooth muscle cells. 34 We tested the hypothesis that production of a photo-induced relaxing factor is impaired in a rat model of genetic hypertension, and we sought to further characterize the properties of the relaxing factor in rat thoracic aortas.
In expanded post-trial extension studies, diabetes mellitus developed in 12 of 3, 031 patients 0.4% ; during treatment with GENOTROPIN. All 12 patients had predisposing factors, e.g., elevated glycated hemoglobin levels and or marked obesity, prior to receiving GENOTROPIN. Of the 3, 031 patients receiving GENOTROPIN, 61 2% ; developed symptoms of carpal tunnel syndrome, which lessened after dosage reduction or treatment interruption 52 ; or surgery 9 ; . Other adverse events that have been reported include generalized edema and hypoesthesia and mysoline.
CUTE MYELOID LEUKEMIA AML ; is seen at all ages, but more than half of the patients with AML are 60 years old or older.1, 2 Intensified cytotoxic therapy and bone marrow transplantation have improved the prognosis of AML in recent years in young and middle-aged adults.3 However, these modern approaches of therapy have, as yet, appeared of only little benefit to individuals with AML older than 60 years. The reasons for a lack of improvement of treatment outcome in the elderly probably relate to the fact that aged people have limited abilities to tolerate the toxicity associated with intensive chemotherapy. In addition, aged individuals suffer from AML which is a priori more resistant to chemotherapy.4 Therefore, one may assume that any effort at improvement of the efficacy of treatment should be di.
Polycystic ovary syndrome is a syndrome, not a disease, and reflects multiple potential etiologies and variable clinical presentations. The heterogeneity of the disorder makes the pathogenesis as well as the definition of PCOS difficult. The National Institutes of Health - National Institute of Child Health and Human Development NIH-NICHD ; Conference on PCOS was held in April 1990. In that conference a clear-cut definition was not reached, but the majority of participants believed that PCOS should be defined by 1 ; ovulatory dysfunction, 2 ; clinical evidence of hyperandrogenism and or hyperandrogenemia, and 3 ; exclusion of related disorders, such as hyperprolactinemia, thyroid dysfunction and nonclassical adrenal hyperplasia Zawadzki & Dunaif 1992 ; . A peripubertal onset of the symptoms has been used as a diagnostic citeria Yen 1999 ; . There is strong evidence of a peripubertal onset of the PCOS see 2.4.1.1 ; . Oligomenorrhea or dysfunctional bleeding are frequently early and dominant symptoms of the anovulatory component of PCOS. The menstrual irregularity of the PCOS is chronic and can be manifested in several different ways. Probably the most common is erratic menstruation owing to anovulation. Some women with PCOS have prolonged amenorrhea associated with endometrial atrophy. Some women have regular cycles at first and experience menstrual irregularity in association with weight gain Taylor 1998 ; . The occurrence of oligomenorrhea may be explained by PCOS in approximately 85-90% of women, whereas 30-40% of amenorrheic patients have been reported to have the disorder Goldzieher & Green 1962 ; . Hyperandrogenism is the second defining characteristic of PCOS. Clinically, the most common sign of hyperandrogenism in PCOS women is hirsutism. The range of the prevalence of hirsutism in PCOS women varies between 17 and 83% Goldzieher & Green 1963, Guzick 1998 ; . Hirsutism may develop peripubertally or during adolescence Yen 1980 ; or it may be absent until the third decade of life McKenna et al. 1983 ; . The Ferriman and Gallwey scale is most commonly used for the assessment of hirsutism Ferri and nadolol.
The deletion of a phenylalanine residue at position 508 F508del ; in the first nucleotide-binding domain NBD1 ; of the cystic fibrosis transmembrane conductance regulator CFTR ; is the principal cause of cystic fibrosis CF ; . The altered interaction of F508del CFTR with endoplasmic reticulum ER ; quality control proteins, primarily chaperones, promotes its proteasomal degradation. However, it is believed that crucial CFTR-interacting proteins CIPs ; remain unknown [1]. Moreover, there is little information currently available on the strength of CIP-CFTR interactions. We are employing a novel strategy to isolate unidentified CIPs: purified NBD1 is immobilised onto metal-affinity resin and used to capture CIPs from epithelial cell lysates. Using this approach, CIPs were captured from human respiratory cell Calu-3 ; lysates and analysed by 2D-electrophoresis. Relevant protein spots so far identified by mass spectrometry include: 1 ; Raichu404X Thr Ser kinase 2 ; Profilin 2 isoform b; 3 ; Annexin A5; 4 ; Ifapsoriasin intermediate 2 + filament-associated Ca regulatory protein 5 ; MGC35308 member of the ER reticulon family ; . Current analyses aim to determine their functional roles. In additional experiments, we used surface plasmon resonance SPR; BiacoreTM ; to quantify real-time binding of CIPs to bacterially expressed wt- and F508del-NBD1. Hsc70 Hsp70 was covalently immobilised onto the surface of carboxymethyl dextran CM5 ; sensor chips 600 200 M ; and the real-time binding of purified NBD1 and control proteins quantified. In control experiments, anti-Hsc70 antibody 1B5 20 nM; against residues 373-650 ; bound specifically to immobilised Hsc70 with high affinity KD, 0.46 0.07 nM; n 3 ; whereas bovine serum albumin 15 M ; did not interact n 10 ; . human h ; NBD1 displayed doseapp app dependent binding to immobilised Hsc70 KD , 1.46 0.28 M; Bmax , 405 39 pmol NBD1 nmol Hsc70 1 ; n 3 ; Consistent with recent studies [2], the difficulties associated with expression of hNBD1 carrying the F508del mutation precluded its use in SPR analyses. We thus used purified murine m ; NBD1 to study the effect of F508del on the strength of CFTR-chaperone interactions. The affinity of mNBD1 binding to app immobilised Hsc70 was dramatically lower when F508 was present wt, KD , 0.50 0.06 M; F508del, app KD , 0.13 0.04 M; n 3; P 0.05 ; . In summary, we used SPR to demonstrate that: i ; NBD1 of CFTR bind specifically to Hsc70 Hsp70 with micromolar affinity, and ii ; the F508del mutation enhances the association of NBD1 with Hsc70. Presently we are investigating the effect of co-chaperones and small molecules on the interaction of Hsc Hsp70 with wt- and F508del-NBD1 and extending these studies to the other cytoplasmic domains of CFTR to obtain quantitative data about inter-domain interactions.
Glutathione, a metabolic product of L-methionine, has been found to be important as a mediator of normal immune responsiveness and to have antiviral activity Ho and Douglas, 1992; Kalebic et al., 1991; Palamara et al., 1996 ; . Absorption of oral glutathione is poor Witschi et al., 1992 ; , probably due to hydrolysis of glutathione by intestinal and hepatic glutamyltransferase. Supplementation of L-methionine and L-cysteine ; has, however, been shown to increase intracellular glutathione by as much as two fold Wang et al., 1997 ; . Glutathione levels are decreased in HIV patients Buhl et al., 1989; Buhl, 1994 ; , and play an important role in the regulation of their immune system Skurnick et al., 1996; Delmas-Beauvieux et al., 1996; Barbaro et al., 1996; Aukrust et al., 1996 ; . Low plasma glutathione levels in children with HIV were found to be associated with low CD4 cell count values and increased viral loads Rodriguez et al., 1998 ; . Herzenberg even implicates glutathione levels as predictive of survival in HIV patients Herzenberg et al., 1997 ; . Results suggest that glutathione could inhibit the reverse transcriptase process of HIV-1 type 1 and so directly influence virus levels Kameoka et al., 1996; Sen and Packer, 1996 ; . Glutathione was effective in reducing the proviral DNA load in the first period of infection in murine AIDS Palamara et al., 1996; Rossi et al., 1996 ; . It could also be shown that exogenous glutathione strongly suppresses the production of p24gag protein, as well as the virus infectivity Palamara et al., 1996 ; . Depletion of glutathione also leads to methionine depletion, which damages the methylation processes Lertratanangkoon et al., 1996 ; . This was confirmed by a study which indicated low concentrations of and nafcillin.
1. Koeppen, A. H. 1995 ; The history of iron in the brain. J. Neurol. Sci. 134 Suppl. ; : 19. 2. Harrison, P. M. & Arosio, P. 1996 ; The ferritins: molecular properties, iron storage function and cellular regulation. Biochim. Biophys. Acta 1275: 161 203. Cheepsunthorn, P., Palmer, C. & Connor, J. R. 1998 ; Cellular distribution of ferritin subunits in postnatal rat brain. J. Comp. Neurol. 400: 73 86. Hansen, T. M., Nielsen, H., Bernth, N. & Moos, T. 1999 ; Expression of ferritin protein and subunit mRNAs in normal and iron deficient rat brain. Mol. Brain Res. 65: 186 197. Epstein, D. & Connor, J. R. 1999 ; The role of iron in neurodegerative disease. In: Chemicals and Neurodegenerative Disease Bondy, S., ed. ; , pp. 28 50. Prominent Press, Scottsdale, AZ. 6. Roskams, A. J. & Connor, J. R. 1994 ; Iron, transferrin and ferritin in the rat brain during development and aging. J. Neurochem. 63: 709 716. Erikson, K. M., Pinero, D. J., Connor, J. R. & Beard, J. L. 1997 ; Regional brain iron, ferritin and transferrin concentrations during iron deficiency and iron repletion in developing rats. J. Nutr. 127: 2030 2038. Pinero, D. J., Li, N. Q., Connor, J. R. & Beard, J. L. 2000 ; Variations in dietary iron alter brain iron metabolism in developing rats. J. Nutr. 130: 254 263. Han, J., Day, J., Thompson, K., Connor. J. R. & Beard, J. L. 2000 ; Iron deficiency alters H- and L-ferritin expression in rat brain. Cell. Mol. Biol. 46: 517528. 10. Blissman, G, Menzies, S., Beard, J. L., Palmer, C. & Connor, J. R. 1996 ; The expression of ferritin subunits and iron in oligodendrocytes in neonatal porcine brains. Dev. Neurosci. 18: 274 281. Connor, J. R., Boeshore, K. L., Benkovic, S. A. & Menzies, S. L. 1994 ; Isoforms of ferritin have a specific cellular distribution in the brain. J. Neurosci. Res. 37: 461 465. Connor, J. R., Menzies, S. L., St Martin, S. M. & Mufson, E. J. 1992 ; A histochemical study of iron, transferrin, and ferritin in Alzheimer's diseased brains. J. Neurosci. Res. 31: 75 83. Reeves, P. G., Nielsen, F. H. & Fahey, G. C., Jr. 1993 ; AIN-93 purified diets for laboratory rodents: final report of the American Instiute of Nutrition ad hoc writing committee on the reformulation of the AIN-76A rodent diet. J. Nutr. 123: 1939 1951. Owen, D. & Kuhn, L. C. 1987 ; Noncoding 3 sequences of the transferrin receptor gene are required for mRNA regulation by iron. EMBO J. 6: 12871293. 15. White, K. & Munro, H. 1988 ; Induction of ferritin subunit synthesis by iron is regulated at both transcriptional and translational levels. J. Biol. Chem. 263: 8938 8942. Hulet, S. W., Powers, S. & Connor, J. R. 1999 ; Distribution of transferrin and ferritin binding in normal and multiple sclerotic human brains. J. Neurol. Sci. 165: 48 55. Hulet, S. W., Heyliger, S. O., Powers, S. & Connor, J. R. 2000 ; Oligodendrocyte progenitor cells internalize ferritin via clathrin-dependent receptor mediated endocytosis. J. Neurosci. Res. 61: 52 60. Qi, Y. & Dawson, G. 1994 ; Hypoxia specifically and reversibly induces the synthesis of ferritin in oligodendrocytes and human oligodendrogliomas. J. Neurochem. 63: 14851490. 19. Sanyal, B., Polak P. E. & Szuchet, S. 1996 ; Differential expression of the heavy-chain ferritin gene in non-adhered and adhered oligodendrocytes. J. Neurosci. Res. 46: 187197. 20. Rothenberger, S., Mullner, E. W. & Kuhn, L. C. 1990 ; The mRNAbinding protein which controls ferritin and transferrin receptor expression is conserved during evolution. Nucleic Acids Res. 18: 11751179. 21. Torti, S. V., Kwak, E. L., Miller, S. C., Miller, L. L., Ringold, G. M., Myambo, K. B. Young, A. P. & Torti, F. M. 1988 ; The molecular cloning and characterization of murine ferritin heavy chain, a tumor necrosis factor-inducible gene. J. Biol. Chem. 263: 126 144. Rogers J. T., Bridges K. R., Durmowicz G. P., Glass J, Auron P. E. & Munro H. N. 1990 ; Translational control during the acute phase response. Ferritin synthesis in response to interleukin-1. J. Biol. Chem. 265: 4572 4578. Leedman P. J., Stein A. R., Chin W. W. & Rogers J. T. 1996 ; Thyroid hormone modulates the interaction between iron regulatory proteins and the ferritin mRNA iron-responsive element. J. Biol. Chem. 271: 1201712023. 24. Beaumont, C., Dugast, I., Reanudie, F., Souroujon, M. & Grandchamp, B. 1989 ; Transcriptional regulation of ferritin H and L subunits in adult erythroid and liver cells from the mouse. J. Biol. Chem. 264: 7498 7504. Ponka, P. 1999 ; Cellular iron metabolism. Kidney Int. 55 Suppl. ; : S2S11.
Using in vivo fidelity assays in which bacterial -galactosidase or green fluorescent protein genes served as reporters of mutations, we have identified a murine leukemia virus MLV ; RNase H mutant Y586F ; that exhibited an increase in the retroviral mutation rate 5-fold in a single replication cycle. DNA-sequencing analysis indicated that the Y586F mutation increased the frequency of substitution mutations 17-fold within 18 nt of adeninethymine tracts AAAA, TTTT, or AATT ; , which are known to induce DNA bending. Sequence alignments indicate that MLV Y586 is equivalent to HIV-1 Y501, a component of the recently described RNase H primer grip domain, which contacts and positions the DNA primer strand near the RNase H active site. The results suggest that wild-type reverse transcriptase RT ; facilitates a specific conformation of the templateprimer duplex at the polymerase active site that is important for accuracy of DNA synthesis; when an adenine thymine tract is within 18 nt of the polymerase active site, the Y586F mutant RT cannot facilitate this specific templateprimer conformation, leading to an increase in the frequency of substitution mutations. These findings indicate that the RNase H primer grip can affect the templateprimer conformation at the polymerase active site and that the MLV Y586 residue and templateprimer conformation are important determinants of RT fidelity and naloxone.
HE RECEPTOR-TYPE tyrosine kinases comprise a large family of proteins that are important in the proliferation and differentiation of a number of cells. Among them, c-fms, ' kit, '- Jlt3, ' and Jk2' are grouped into a subfamily based on organization and sequence similarities. c-fms, a receptor for colony-stimulating factor 1 CSF-I ; or macrophage CSF, is involved in the proliferation and differentiation of macrophage precursors and is required for the survival, proliferation, and differentiation of mononuclear phagocytes, including osteoclast . - c-kit appears essential for the development of melanoblasts, germ cells, and hematopoietic cells. The W and SI loci encode c-kit and its ligand, steel factor SF ; , respectively '""3 and mutations in these genes cause white spotting, infertility, and severe defects in the hematopoietic c-kit and SF also play important roles in survival, proliferation, and differentiation of primitive lymphohematopoietic progenitor ' .' as well as in early B and T lymphopoiesis.20~22 Matthews et a16, 2' attempted to identify hempoietic stem cell-specific genes that encode tyrosine kinase-type receptors and have cloned two cDNAs, designated fetal liver kinase 1 Vkl ; andJlk2 from fetal liver cells that were enriched for hematopoietic stem and progenitor populations. Jlk2 is nearly identical to Jlt3, which was independently cloned from murine placenta5 and also from a population of cells that are phenotypically early T-cell progenitors CD3-, CD4-, and CDK ; derived from a day 13 murine fetal li~er.'~Jlt3 andJlk2 are nearly identical.
IM- 04. CHEMOKINE RECEPTORS CX3CR1 AND CXCR3 AND THEIR ASSOCIATED LIGANDS IN THE GL261 MURINE MODEL OF MALIGNANT GLIOMA Defang Luo, 1 Wolfgang Streit, 2 and Jeffrey Harrison1; 1Pharmacology & Therapeutics, University of Florida, Gainesville, FL, USA; 2Neuroscience, University of Florida, Gainesville, FL, USA A characteristic of human high grade glioma is the marked presence of tumor infiltrated microglia and or macrophages. This phenomenon is also readily observed in a variety of rodent models of this disease. Neither the specific function s ; of these immune competent cells within the tumor microenvironment nor the mechanism s ; by which they traffic into the tumor are clearly understood. Chemokine receptors present on microglial cells and macrophages are attractive candidates to mediate the directed migration of these cells into the tumor. The purpose of this study was to evaluate the expression of, and to begin to identify roles for, two chemokine receptor systems, namely CX3CL1 fractalkine FKN ; and its receptor CX3CR1, as well as CXCL9 MIG ; , CXCL10 IP-10 ; , and CXCL11 I-TAC ; and and naltrexone.
Cell Culture and Reagents. Murine macrophage RAW RAW264.7 ; cell line was grown in RPMI medium 1640. Mutant cell lines U3A STAT1 deficient ; , U4A JAK1 deficient ; , their corresponding rescued partners U3AR and U4AR, and parent cell line 2fTGH 16, 17 ; were a gift from George Stark Cleveland Clinic Foundation ; . Rabbit antiSTAT1 p84 p91 ; and anti-STAT2 antibodies were provided by Chris Schindler Columbia University, New York ; . Rabbit anti-ISGF3 antibody p48 ; was provided by David Levy New York University ; . Rabbit antibodies against IRF-1 and IRF-2 were gifts from Keiko Ozato National Institutes of Health, Bethesda ; . Rabbit anti-IRF-3 antibody 18 ; was a gift from Paula Pitha-Rowe Johns Hopkins University School of Medicine, Baltimore ; . Recombinant murine Boehringer Mannheim ; and human Genzyme ; IFN- were used for induction. Gene Expression Analyses. Northern blot, run-off transcription, transfection, and electrophoretic mobility-shift analyses EMSAs ; were performed as described 15, 19 ; . The following oligonucleotides were used for EMSA, site-directed mutagenesis, and reporter gene analyses: GATE, 5 -CCCGGAGAGAATTGAAACTTAGGG-3 ; GATE-Mu, 5 -CCCGGAGAGAATTACTCCTTAGGG-3 ; Myc pm, 5 -AGACCACGGAGT T TC-3 ; Short GATE, 5 -GAGAGA ATTGAAACTT-3 ; and ISRE, 5 -TAGTTTCACTTTCCC-3 . Mutated bases are underlined. Four clones were identified in a screening of a BALB c mouse liver genomic library CLONTECH ; in EMBL3 phage vector 5 106 plaque-forming units ; with a 32P-labeled human p48 cDNA ref. 4, provided by David Levy ; . All of them contained the same 13-kb insert as.
Cryptococcal meningitis occurs in approximately 830% of the patients with the acquired immune deficiency syndrome AIDS ; . 1 Despite antifungal therapy, mortality remains high 629% ; .2 A study in AIDS patients with cryptococcal meningitis suggested that fluconazole was not as effective as amphotericin B. 3 It thus now recommended that treatment should be started with amphotericin B and flucytosine and then switched to fluconazole.4 Fluconazole is still often used as first-line therapy because of frequent toxic effects due to amphotericin B.5 In experimental models of cryptococcosis, fluconazole was effective when administered early after inoculation.68 In the murine model of locally established cryptococcal meningitis, Ding et al. reported recently that the range of effective dose combinations of fluconazole and flucytosine reduced progressively as the severity of infection increased.9 It is not known whether fluconazole remains effective in a model of sustained disseminated cryptococcosis i.e. in a situation resembling natural infection in humans ; . In addition to and namenda.
7. Chiller, T. M. M. A., and Z. Z. Samudio. 1990. IgG antibody reactivity with Trypanosoma cruzi and Leishmania antigens in sera of patients with Chagas' disease and leishmaniasis. Am. J. Trop. Med. Hyg. 43: 650656. 8. Cotrim, P. C., G. S. Paranhos, R. A. Mortara, J. Wanderley, A. Rassi, M. E. Camargo, and J. F. da Silveira. 1990. Expression in Escherichia coli of a dominant immunogen of Trypanosoma cruzi recognized by human chagasic sera. J. Clin. Microbiol. 28: 519524. 9. Ferreira, A. W., Z. R. Belem, M. E. G. Moura, and M. E. Camargo. 1991. Aspectos da padronizac~o de testes sorologicos para a doenca de Chagas: a um teste imunoenzimatico para a triagem de doadores de sangue. Rev. Inst. Med. Trop. S. Paulo 33: 123128. 10. Ferreira, A. W. 1992. Tests for Chagas' disease serodiagnosis: a review, p. 179193. In S. Wendel, Z. Brener, M. E. Camargo, and A. Rassi ed. ; , Chagas' disease American trypanosomiasis ; : its impact on transfusion and clinical medicine. Sociedade Brasileira de Hematologia e Hemoterapia, Sao ~ Paulo, Brazil. 11. Galel, S. A., and L. V. Kirchhoff. 1996. Risk factors for Trypanosoma cruzi infection in California blood donors. Transfusion 36: 227231. 12. Grant, I. H., W. M. Jonathan, M. Wittner, H. B. Tanowitz, C. Nathan, K. Mayer, L. Reich, N. Wollner, L. Steinherz, F. Ghavimi, R. J. O'Reilly, and D. Armstrong. 1989. Transfusion-associated acute Chagas disease acquired in the United States. Ann. Intern. Med. 111: 849851. 13. Hoshino-Shimizu, S., M. E. Camargo, and T. K. Nagasse. 1978. A stable polysaccharide-hemagglutination reagent for the diagnosis of acute or recent Trypanosoma cruzi infections. Rev. Inst. Med. Trop. S. Paulo 20: 208212. 14. Kerndet, P. R., H. A. Waskin, L. V. Kirchhoff, F. Steurer, S. H. Waterman, J. M. Nelson, G. A. Gelert, and I. A. Shulman. 1991. Prevalence of antibody to Trypanosoma cruzi among blood donors in Los Angeles, California. Transfusion 31: 814818. 15. Kirchoff, L. V., A. A. Gam, R. Gusmao, R. Goldsmith, J. Rezende, and A. ~ Rassi. 1987. Increased specificity of serodiagnosis of Chagas' disease by detection of antibody to the 72- and 90-kilodalton glycoproteins of Trypanosoma cruzi. J. Infect. Dis. 155: 561564. 16. Krierger, M. A., E. Almeida, W. Oelemann, J. J. Lafaelle, J. B. Pereira, H. Krieger, M. R. Carvalho, and S. Goldenberg. 1992. Use of recombinant antigens for the accurate immunodiagnosis of Chagas' disease. Am. J. Trop. Med. Hyg. 46: 427434. 17. Laemmli, U. K. 1970. Cleavage of structural proteins during the assembly of the head of bacteriophage T4. Nature 227: 680685. 18. Lorca, M., A. Gonzales, C. Veloso, V. Reyes, and U. Vergara. 1992. Immunodetection of antibodies in sera from symptomatic and asymptomatic Chilean Chagas' disease patients with Trypanosoma cruzi recombinant antigens. Am. J. Trop. Med. Hyg. 46: 4449. 19. Luquetti, A. O. 1990. Use of Trypanosoma cruzi defined proteins for diagnosis multicentre trial ; serological and technical aspects. Mem. Inst. Oswaldo Cruz 65: 497505. 20. Maekelt, G. A. 1964. Diagnostico de laboratorio de la tripanossomiasis americana. Rev. Venez. Sanid. 29: 118. 21. Malchiodi, E. L., M. G. Chiaramonte, N. J. Taranto, N. W. Zwirner, and R. A. Margni. 1994. Cross-reactivity studies and differential serodiagnosis of human infections caused by Trypanosoma cruzi and Leishmania spp; use of immunoblotting and ELISA with a purified antigen Ag163B6 ; . Clin. Exp. Immunol. 97: 417423. 22. Minoprio, P., S. Itohara, C. Heusser, C. Heusser, S. Tonegawa, and A. Coutinho. 1989. Immunobiology of murine T. cruzi infection: the predomi.
Retina Associates of East Tennessee, PC Dr. John C. Hoskins 423-522-5453 and naratriptan and murine.
This paper presents a macro-driven system to create drill-down maps and present them on intranets or the internet, using BASE SAS and SAS GRAPH. This system can be used with SAS V8 or SAS V612 in conjunction with the %ds2htm macro supplied by the SAS Institute for HTML only ; in any operating environment, including Red Hat Linux, Windows and AIX UNIX. Although the primary focus of the paper is on interactive HTML map output, some different graphic outputs for PC SAS only ; will be briefly demonstrated. Presentation graphics contained in HTML, XML and PDF files are static and require only an internet browser and or Adobe Acrobat to view. They are quickly and easily updatable on the host system even if the server does not have SAS installed. Other presentation options SAS provides such as JAVA and ActiveX are interactive, but require specific versions of SAS to be installed on the host system to allow interactivity.
Acknowledgments The assistance of several students, Mark Marshall, Sharon Rosenberg, and Bon Ku, and especially that of Tina Xi, a research technician in my laboratory, with the subcellular fractionation and assays for proteins and ethylmorphine demethylase activity is gratefully acknowledged. Jody Culkin and Frank Forcino provided valued photographic assistance. References 1. Hallberg E 1990 Metabolism and toxicity of xenobiotics in the adrenal cortex, with particular reference to 7, 12dimethylbenz a ; anthracene. J Biochem Toxic01 5: 71-89 2. Colbv HD 1988 Adrenal gland toxicity: chemically induced dysfunction. J Co11Toxicof7: 45-69 . 3. Martin KO. Black VH 1983 Effects of aae and adrenocorticotroohin on microsomal enzymes in guinea pip" inner and outer co&es. Endocrinology 112: 573-579 4. Black VH, Barilla JR, Russo JJ, Martin KO 1989 A cytochrome I'450 imunochemically related to P45Oc, d P4501 ; localized to smooth microsomes and inner zone of the guines pig adrenal. Endocrinology 124: 2480-2493 5. Black VH, Barilla JR, Martin KO 1989 Effects of age, adrenocorticotropin and dexamethasone on a male-specific cytochrome P450 localized in the inner zone of the guinea pig adrenal. Endocrinology 124: 2494-2498 6. Black VH 1990 Immunodetectable cytochromes P450 I, II, and III in guinea pig adrenal-hormone responsiveness and relationship to capacity for xenobitoic metabolism. Endocrinology 127: 1153-1159 7. Colby HD, Johnson PB, Zulkoski JS, Pope MR 1982 Differential effects of adrenocorticotropic hormone on adrenal microsomal xenobiotic and steroid metabolism in guinea pigs. Drug Metab Disposit 10: 326-329 8. Eacho PI, Colby 1983 Regional distribution of microsomal drug and steroid metabolism in guinea pig adrenal cortex. Life Sci 32: 11191127 9. Masuda-Mikawa R, Fujii-Kuriyama Y, Negishi M, Tashiro Y 1979 Purification and partial characterization of hepatic microsomal cytochrome P-450s from phenobarbital and 3-methylcholanthrenetreated rats. J Biochem 86: 1383-1394 10. Nakaiin S, Hall PF 1981 Microsomal cytochrome P-450 from neonatal pig testis. J Biol Chem 256: 3871-3876 11. Nakaiin S. Shivelv JE, Yuan P-M, Hall PF 1981 Microsomal cytochrome P-450 f; om neonatal pig testis: two enzymatic activities 17o-hydroxylase and C17, 20-lyase associated with one protein ; . Biochemistry 20: 4037-4042 17 Yuan P-M, Nakajin S, Haniu M, Shinoda M, Hall PF, Shively JE 1983 Steroid 21-hydroxylase cytochrome P-450 ; from porcine adrenocortical microsomes: microsequence analysis of cysteine-containing peptides. Biochemistry 22: 143-149 13. Perry JE, Ishii-Ohba H, Stalvey JRD 1991 Subcellular distribution of 3&hydroxysteroid dehydrogenase-isomerase in bovine and murine adrenocortical tissue: species differences in the localization of and narcan.
41. Leckie, M. J., A. ten Brinke, J. Khan, Z. Diamant, B. J. O'Connor, C. M. Walls, A. K. Mathur, H. C. Cowley, K. F. Chung, R. Djukanovic, et al. 2000. Effects of an interleukin-5 blocking monoclonal antibody on eosinophils, airway hyperresponsiveness, and the late asthmatic response. Lancet 356: 2144. 42. Henderson, W. R., D. B. Lewis, R. K. Albert, Y. Zhang, W. J. Lamm, G. K. Chiang, F. Jones, P. Eriksen, Y. T. Tien, M. Jonas, and E. Y. Chi. 1996. The importance of leukotrienes in airway inflammation in a mouse model of asthma. J. Exp. Med. 184: 1483. 43. Corry, D. B., H. G. Folkesson, M. L. Warnock, D. J. Erle, M. A. Mathay, J. P. Wiener-Kronish, and R. M. Locksley. 1996. Interleukin 4, but not interleukin 5 or eosinophils, is required in a murine model of acute airway hyperreactivity. J. Exp. Med. 183: 109. 44. Cohn, L., R. J. Homer, A. Marinov, J. Rankin, and K. Bottomly. 1997. Induction of airway mucus production By T helper 2 Th2 ; cells: a critical role for interleukin 4 in cell recruitment but not mucus production. J. Exp. Med. 186: 1737. 45. Hogan, S. P., K. I. Matthaei, J. M. Young, A. Koskinen, I. G. Young, and P. S. Foster. 1998. A novel T cell-regulated mechanism modulating allergen.
Cholelithiasis in inbred mice: pathophysiology of biliary lipid secretion. J. Lipid Res. 40: 2066-2079. 18. Andersen, J. M., and J. M. Dietschy. 1979. Absolute rates of cholesterol synthesis in extrahepatic tissues measured with 3H-labeled water and Lipid Res. 20: 740-752. 19. Jeske, D. J., and J. M. Dietschy. 1980. Regulation of rates of cholesterol synthesis in vivo in the liver and carcass of the rat measured using [3H]water. J. Lipid Res. 21: 364-376. 20. Turley, S. D., J. M. Andersen, and J. M. Dietschy. 1981. Rates of sterol synthesis and uptake in the major organs of the rat in vivo. J. Lipid Res. 22: 551-569. 21. Dietschy, J. M., and D. K. Spady. 1984. Measurement of rates of cholesterol synthesis using tritiated water. J. Lipid Res. 25: 1469-1476. 22. Wang, H. H., N. H. Afdhal, S. J. Gendler, and D. Q.-H. Wang. 2004. Targeted disruption of the murine mucin gene 1 decreases susceptibility to cholesterol gallstone formation. J. Lipid Res. 2004; 45: 438-447. Lammert, F., D. Q.-H. Wang, B. Paigen, and M. C. Carey. 1999. Phenotypic characterization of Lith genes that determine susceptibility to cholesterol cholelithiasis in inbred mice: integrated activities of hepatic lipid regulatory enzymes. J. Lipid Res. 40: 2080-2090. 24. Brown, M. S., and J. L. Goldstein. 1997. The SREBP pathway: regulation of cholesterol metabolism by proteolysis of a membrane-bound transcription factor. Cell. 89: 331-340.
Table 2. Molecular genetic alterations affecting clinical outcome of AML patients with core-binding factor AML and cytogenetically normal AML. Cytogenetic group Molecular genetic alteration Mutations of KIT Frequency % 12-47 Prognostic significance References.
TheZeiss Electro-Mechanical Ceiling Mount has greatest mobility in all directions. You can move any Zeiss Operation touch will give you smooth, effortless Microscope freely and easily in the motion. X, Y-plane or along the Z-axis to whatState-of-the-art ever position is, most comfortable electronics. and convenient for you. And it will Modern solid-state circuitry results stay right there, perfectly balanced, in a slim, space-saving unit, highesl until you're ready to move it again. reliability, service-friendly mainteMotorized and Manual nance. Many convenient options foi accessories, cameras, and liglr All functions are completely motorsources available. ized to operate by either hand or foot switch-focusing, zoom, movement in the X, Y-plane, and up and down Write or call for complete details motion. Yet any time, for any reason, you wish to move it by hand, a finger's Nationwide service.
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22. Ethier CR and Chan DWH. Cationic ferritin changes outflow facility in human eyes whereas anionic ferritin does not. Invest Ophthalmol Vis Sci 42: 17951802, 2001. Ethier CR, Coloma FM, de Kater AW, and Allingham RR. Retroperfusion studies of the aqueous outflow system. 2. Studies in human eyes. Invest Ophthalmol Vis Sci 36: 24662475, 1995. Gonzalez-Mariscal L, Betanzos A, and Avila-Fores A. MAGUK proteins: structure and role in the tight junction. Semin Cell Dev Biol 11: 315324, 2000. Gonzalez-Mariscal L, Islas S, Contreras RG, Garcia-Villegas MR, Betanzos A, Vega J, Diaz-Quinonez A, Martin-Orozco N, OrtizNavarrete V, Cereijido M, and Valdes J. Molecular characterization of the tight junction protein ZO-1 in MDCK cells. Exp Cell Res 248: 97109, 1999. Gospodarowicz D, Delgado D, and Vlodavsky I. Permissive effect of the extracellular matrix on cell proliferation in vitro. Proc Natl Acad Sci USA 77: 40944098, 1980. Gottardi C, Arpin M, Fanning A, and Louvard D. The junctionassociated protein, zonula occludens-1, localizes to the nucleus before the maturation and during the remodeling of cell-cell contacts. Proc Natl Acad Sci USA 93: 1077910784, 1996. Hall A. Rho GTPases and the actin cytoskeleton. Science 279: 509514, 1998. Haskins J, Gu L, Wittchen E, Hibbard J, and Stevenson B. ZO-3, a novel member of the MAGUK protein family found at the tight junction, interacts with ZO-1 and occludin. J Cell Biol 141: 199208, 1998. Hogan M, Alvarado J, and Weddell J. Histology of the Human Eye. Philadelphia, PA: Saunders, 1971. 31. Huber J, Egleton R, and Davis T. Molecular physiology and pathophysiology of tight junctions in the blood-brain barrier. Trends Neurosci 24: 719725, 2001. Islas S, Vega J, Ponce L, and Gonzalez-Mariscal L. Nuclear localization of the tight junction protein ZO-2 in epithelial cells. Exp Cell Res 274: 138148, 2002. Johnstone M and Grant WM. Pressure-dependent changes in structures of the aqueous outflow system of human and monkey eyes. J Ophthalmol 75: 365, 1973. Jou TS and Nelson WJ. Effects of regulated expression of mutant RhoA and Rac1 small GTPases on the development of epithelial MDCK ; cell polarity. J Cell Biol 142: 85100, 1998. Kurihara H, Anderson J, Kerjaschki D, and Farquar M. The altered glomerular filtration slits seen in puromycin aminonucleoside nephrosis and protamine sulfate-treated rats contain the tight junction protein ZO-1. J Pathol 141: 805816, 1992. Maepea O and Bill A. The pressures in the episcleral veins, Schlemm's canal and the trabecular meshwork in monkeys: effects of changes in intraocular pressure. Exp Eye Res 49: 645663, 1989. McDonald D. Endothelial gaps and permeability of venules in rat tracheas exposed to inflammatory stimuli. J Physiol Lung Cell Mol Physiol 266: L61L83, 1994. 38. Murphy C, Hoover K, Franse-Carman L, and Alvarado J. Giant vacuole formation in cultured human Schlemm's canal endothelial SCE ; cells Abstract ; . Invest Ophthalmol Vis Sci S35: 1848, 1994. 39. Murphy C, Underwood J, Chen J, and Alvarado J. Transcellular fluid flow through giant vacuoles Abstract ; . J Cell Biol 222: 119, 1995. Murphy C, Yun A, Newsome D, and Alvarado J. Localization of extracellular proteins of the human trabecular meshwork by indirect immunofluorescence. J Ophthalmol 104: 3343, 1987 and muse.
Task of isolation and purification of them have been the subject of rather extensive investigation. The present study sought to isolate these cells from two different strains one outbred and the other inbred mouse, primarily through a relatively simple but novel approach, the most important feature of which was the low density primary culture of bone marrow cells. For this purpose, mononuclear cells from either NMRI or Balb c bone marrow were plated at about 500 cells per well of 24-well plates and incubated for 7 d. At this point, the fibroblastic clones that had emerged were pooled together and expanded through several subcultures. To investigate the mesenchymal nature, we differentiated the cells into the osteoblastic, chondrocytic and adipocytic lineages in different subcultures up to passage 10. In present investigation, the best culture condition for maximum proliferation and also the expression of certain surface marker on isolated cells were examined.Furthermore; the colonogenic potential of the cells was tested by Colony Forming Unit- Fibroblast Assay CFU-F ; . According to the results, one week after culture initiation, several clones each comprising several fibroblastic cells appeared in each plate. The cells from different passages were capable of differentiating into corresponding skeletal tissues. The cell had maximum proliferation when being cultured at density of 100 cell cm2 in a DMEM medium containing 15% fetal calf serum FCS ; .FACS analysis indicated that more than 90% of the cells are CD44 + . Sca-1 was expressed in about 20% of the cells and C-kit, VCAM and CD34 were not detected. Almost 75 colon each consisting of 2070 cells was formed per each 100 cell from either strain plated in 25 cm2-flasks. Two murine strains showed some differences in term of their growth and surface antigens. Taken together, low density primary culture system seems to be an appropriate and simple way for the isolation and purification of fibroblastic cells from the heterogeneous mixture of bone marrow cells. The fact that the fibroblastic cells isolated through this approach were not only able to differentiate into osteoblasts, chondrocytes and adipocytes but also able to maintain this property even after being subjected to several rounds of subcultures added weight to the assumption that they were, indeed, the mesenchymal stem cells described elsewhere. Keywords: low density primary culture; mesenchymal stem cells; proliferation; differentiation; Balb c and NMRI strains.
Journal of Antimicrobial Chemotherapy doi: 10.1093 jac dkl022.
Studied because of its role in diabetic complications 15, 16 ; . Although being ubiquitously expressed in both species, the most abundant source of aldose reductase in human tissues is the adrenal gland 17 ; . This suggests an important role for AKR1B1 in this specialized organ in which its isocaproaldehyde reductase activity could be recruited 18 ; . In human and rodent adrenals, the toxicity of isocaproaldehyde, the product of cholesterol side chain cleavage by the cytochrome P450scc CYP11A gene ; , is mainly neutralized by the reductase activity of AKR1B1 and AKR1B7 mouse vas deferens protein MVDP ; , respectively 18, 19 ; . Moreover, we have shown that in rodents, the akr1b7 gene expression is under control of ACTH through cAMP pathway 20 23 ; . Thus, full steroidogenic activity should require the coordinate regulation by ACTH cAMP of genes involved in cholesterol transport and steroid conversion but also of scavenger genes detoxifying harmful byproducts of steroidogenesis e.g. isocaproaldehyde 19 ; and free radicals 24 ; . Until now the murine AKR1B7 is the only aldose reductase-like protein showing ACTH responsiveness. A possible regulation of the aldose reductase AKR1B1 by ACTH cAMP has not been investigated yet in human adrenal. To shed more light on the role of AKR1B1 in adrenal steroidogenesis and pathophysiology, we compared the expression of AKR1B1 gene with those of genes involved in steroidogenesis e.g. steroidogenic acute regulatory protein gene StAR ; and CYP11A 2527 ; , or in adrenal differentiation, e.g. steroidogenic factor SF ; -1 and dosage-sensitive sex reversal-adrenal hypoplasia congenita critical region on the X chromosome, gene 1 DAX1 ; 28, 29 ; , in human adrenocortical tumor cell line and malignant or benign adrenocortical neoplasms with different endocrine profiles. These comparisons should reveal whether AKR1B1 along with steroidogenic genes is coordinately controlled and whether its expression could be correlated with the malignancy and or the endocrine status of the tumors.
44. Perregaux, D. G., P. McNiff, R. Laliberte, M. Conklyn, and C. A. Gabel. 2000. ATP acts as an agonist to promote stimulus-induced secretion of IL-1 and IL-18 in human blood. J. Immunol. 165: 4615. 45. el-Moatassim, C., and G. R. Dubyak. 1992. A novel pathway for the activation of phospholipase D by P2z purinergic receptors in BAC1.2F5 macrophages. J. Biol. Chem. 267: 23664. 46. Jamieson, G. P., M. B. Snook, P. J. Thurlow, and J. S. Wiley. 1996. Extracellular ATP causes of loss of L-selectin from human lymphocytes via occupancy of P2Z purinoceptors. J. Cell Physiol. 166: 637. 47. Gu, B., L. J. Bendall, and J. S. Wiley. 1998. Adenosine triphosphate-induced shedding of CD23 and L-selectin CD62L ; from lymphocytes is mediated by the same receptor but different metalloproteases. Blood 92: 946. 48. Falzoni, S., M. Munerati, D. Ferrari, S. Spisani, S. Moretti, and F. Di Virgilio. 1995. The purinergic P2Z receptor of human macrophage cells: characterization and possible physiological role. J. Clin. Invest. 95: 1207. 49. Wooley, P. H., H. S. Luthra, J. M. Stuart, and C. S. David. 1981. Type II collagen-induced arthritis in mice. I. Major histocompatibility complex I region ; linkage and antibody correlates. J. Exp. Med. 154: 688. 50. Suh, B.-C., J.-S. Kim, U. Namgung, H. Ha, and K.-T. Kim. 2001. P2X7 nucleotide receptor mediation of membrane pore formation and superoxide generation in human promyelocytes and neutrophils. J. Immunol. 166: 6754. 51. Zanovello, P., V. Bronte, A. Rosato, P. Pizzo, and F. Di Virgilio. 1990. Responses of mouse lymphocytes to extracellular ATP. II. Extracellular ATP causes cell type-dependent lysis and DNA fragmentation. J. Immunol. 145: 1545. 52. Ferrari, D., M. Los, M. K. Bauer, P. Vandenabeele, S. Wesselborg, and K. Schulze-Osthoff. 1999. P2Z purinoreceptor ligation induces activation of caspases with distinct roles in apoptotic and necrotic alterations of cell death. FEBS Lett. 447: 71. 53. Majno, G., and I. Joris. 1995. Apoptosis, oncosis, and necrosis: an overview of cell death. Am. J. Pathol. 146: 3. 54. Griffiths, R. J., M. A. Smith, M. L. Roach, J. L. Stock, E. J. Stam, A. J. Milici, D. N. Scampoli, J. D. Eskra, R. S. Byrum, B. H. Koller, and J. D. McNeish. 1997. Collagen-induced arthritis is reduced in 5-lipoxygenase-activating protein-deficient mice. J. Exp. Med. 185: 1123. 55. Joosten, L. A., M. M. Helsen, T. Saxne, F. A. van De Loo, D. Heinegard, and blockade prevents cartilage and bone deW. B. van Den Berg. 1999. IL-1 struction in murine type II collagen-induced arthritis, whereas TNF blockade only ameliorates joint inflammation. J. Immunol. 163: 504. 56. Williams, R. O., L. Marinova-Mutafchieva, M. Feldmann, and R. N. Maini. 2000. Evaluation of TNF and IL-1 blockade in collagen-induced arthritis and comparison with combined anti-TNF anti-CD4 therapy. J. Immunol. 165: 7240.
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Seen. No well developed ground glass nuclei or psammoma body was seen. The cytoplasm was uniform granularity distribution, throughout. The tumor was encapsulated and disclosed capsular and vascular invasion. Fig. 2 and 3 ; The patient received total thyroidectomy and received I 131 for subsequent therapy and after 5 years follow up , the patient is healthy. Thyroid cancer is the 8th most frequent malignancy of the female in Thailand. It is found in about 2 percent of all carcinoma in Thailand V. Vatanasapt : Cancer in Thailand 1992 1994 ; . In this series , the Hrthle cell carcinoma is not described. The files of pathology record at Khon Kaen Hospital is already reviewed and this case is the first case of papillary Hrthle cell carcinoma at Khon Kaen Hospital. The subject of thyroid neoplasm with Hrthle cell is one of the most controversy in thyroid pathology , such as : 1. Terminology : The follicular cells with abundant eosinophilic granular cytoplasm have been variously designated 10, 14, 25 ; as - Askanazy was the first who described human Hrthle cells , some authors called " Askanazy cell neoplasms ". - Hrthle described the cells in the dog thyroid gland , most likely now be considered as C cells. But the Hrthle cell neoplasm is the most common encountered in the literatures. So the Hrthle cell is a misnomer term. - WHO committee has chosen to designate these cells as oxyphilic cells but they suffer from lack of specificity. They have the same meaning as acidophilic cells , espectially among the American clinicians and surgeons are too entrenched to be expunged easily. - Jaffe first used the term " oncocyte " to denote a large cell with cytoplasmic acidophilic granules that was also extremely rich in mitochondria. 1 ; Oncocytic cells are used to designate cells with similar characteristics in other organs. They are fequently used as a synonym. 15 ; They are probably the most.
`From Case scientific 16. Address ton Medical 1998 commentary the Western.
He Telluride Foundation awarded 6, 310 in Community Grants to 72 local nonprofits, bringing the total granted in 2006 to over million. "Thanks to the generosity of our donors, the Telluride Foundation has established itself as the largest funder for community groups, " said Mark Dalton, co-chairman of the Board. "Our board is constantly reviewing the current and emerging needs and striving to meet those needs in a proactive fashion." In its 2006 annual Community Granting cycle the Foundation awarded grants to 72 of the 84 groups that applied. In this cycle the grant awards ranged from , 000 to , 000, with 27 percent going to human services, 25 percent of the grants funding arts and culture, 18 percent to education, 12 percent to early childhood development, 11 percent to the environment animals, and 7 percent to athletic groups. Six Technical Assistance Grants were also awarded. These technical assistance grants are designed to improve nonprofits' operational efficiency and or capacity and include an organizational assessment by a third-party consultant, as well as development and implementation of a specific action plan for the organization by a trained nonprofit consultant. "We were extremely impressed by the level of sophistication of the grant requests and proposed programs. The grant process demonstrated that our vibrant nonprofit community is doing exceptional work and making a positive impact in the region, " said Susan Saint James, co-chair of the grants committee. "We were pleased that we were able to fulfill Grants continued on page 10.
US Pharmacopeial Convention, US Pharmacopeia, the National Formulary, 22nd ed, Rockville, MD, 1348-1354 1990 ; 2 ; BASF AG, Safety data sheet THEOPHYLLINE ANHYDROUS POWDER 1A100BG1, 12.02.2001 3 ; IARC Monographs on the evaluation of carcinogenic risk to humans, Vol. 51, Lyon, France, 391-419 1991 ; 4 ; Ariel WebInsight Chemical Database, status Jan 17, 2003 5 ; Boehringer Ingelheim KG, DIN Sicherheitsdatenblatt 1994 ; 6 ; MAK- und BAT-Werte-Liste 2002 Mitteilung 38 vom 01.07.2002 ; , WILEY-VCH Verlag GmbH, Weinheim, Germany 7 ; National Chemical Inventories, 2002 Issue 1 8 ; Windholz, M. ed. ; , The Merck Index, 10th ed., Rahway, 1328 1983 ; 9 ; BASF AG, department of ecology, unpublished calculation, 23.10.2000 10 ; BASF AG, department of analytical, unpublished data UV-13.88, 19.10.1988 11 ; Pinsuwan S. et al., J. Chem. Eng. Data, Vol. 40, page 623 626, 1995 ; Hansch, C. and A. Leo, Substituent Constants for CorrelationAnalysis in Chemistry and Biology, Wiley, New York, 1979 ; . Cited in: Garst, J. E., J. Pharm. Sci. 73, 1623-1629 1984 ; 13 ; BASF AG, Technische Entwicklung - Verfahrenstechnik, unpublished data - Report 192.0314.3, 16.11.1992 14 ; Yalkowsky, S. H., Arizona Database of Aqueous Solubility, Univ. of Arizona, Tuscon 1989 ; 15 ; BASF AG, department of ecology, unpublished calculations, 23.10.2000 16 ; Meylan, W.M. and Howard, P.H., Chemosphere 26, 2293 - 1199 1993 ; 17 ; Buxton, G. V. et al., J. Phys. Chem. Ref. Data 17, 513-882 1988 ; 18 ; Hine, J. and P. K. Mookerjee, J. Org. Chem. 40, 292-298 1975 ; 19 ; Lyman, W. J. et al., Handbook of Chemical Property Estimation Methods, NY, 4-9 1982 ; 20 ; Mill, T. and W. Mabey, Cited in: Environ. Exposure from 160.
Demonstrate virus antigen in these apoptotic cells. Therefore, there is no evidence as yet of infected cells in the CNS of a TMEV-infected mouse undergoing apoptosis. Accumulating evidence points to a central role of M infection in TMEV persistence in the mouse CNS Clatch et al., 1990 ; Levy et al., 1992 ; Jelachich et al., 1995 ; Lipton et al., 1995 ; Pena Rossi et al., 1997 ; . Pena Rossi et al. 1997 ; recently provided further support for this notion by their demonstration that depletion of Ms by mannosylated liposomes almost completely abrogates persistence of TMEV. The restricted state of BeAn virus replication in our murine M cell lines resembles that reported for CNS Ms in mice Clatch et al., 1990 ; Cash et al., 1985 ; . In addition, other investigators have also found that TMEV infection in murine M cell lines is restricted Obuchi et al., 1997 ; Shaw-Jackson & Michiels, 1997 ; Takata et al., 1998 ; . Based on our in vitro studies, TMEV growth in Ms may be restricted at a number of steps in the replicative cycle ; however, the exact details and mechanism s ; involved are unclear. The kinetics of BeAn virus replication in murine Ms peak by 8 to declining thereafter ; is similar to the kinetics in permissive BHK-21 cells and is indicative of an acute infection.
1. Druker BJ. STI571 GleevecTM ; as a paradigm for cancer therapy. Trends Mol Med 2002; 8 Suppl ; : S14 8. 2. Heinrich MC, Griffith DJ, Druker BJ, Wait CL, Ott KA, Zigler AJ. Inhibition of c-kit receptor tyrosine kinase activity by STI571, a selective tyrosine kinase inhibitor. Blood 2000; 96: 92532. Pietras K, Sjoblom T, Rubin K, Heldin CH, Ostman A. PDGF receptors as cancer drug targets. Cancer Cell 2003; 3: 439 Druker BJ. Effects of a selective inhibitor of the ABL tyrosine kinase on the growth of BCR-ABL positive cells. Nat Med 1996; 2: 561 Demetri GD, von Mehren M, Blanke CD, et al. Efficacy and safety of imatinib mesylate in advanced gastrointestinal stromal tumors. N Engl J Med 2002; 347: 472 Guo P, Hu B, Gu W, et al. Platelet-derived growth factor B enhances glioma angiogenesis by stimulating vascular endothelial growth factor expression in tumor endothelia and by promoting pericyte recruitment. J Pathol 2003; 162: 108393. Pietras K, Ostman A, Sjogquist M, et al. Inhibition of platelet-derived growth factor receptors reduces interstitial hypertension and increases transcapillary transport in tumors. Cancer Res 2001; 61: 2929 Uehara H, Kim SJ, Karashima T, et al. Effects of blocking platelet-derived growth factor-receptor signaling in a mouse model of experimental prostate cancer bone metastases. J Natl Cancer Inst Bethesda ; 2003; 95: 458 Mathew P, Thall P, Jones D, et al. Targeting the platelet-derived growth factor receptor PDGFr ; in androgen-independent prostate cancer AIPCa ; bone metastasis: results of a Phase I trial [abstract 1648]. Proc Soc Clin Oncol 2003; 22: 410. Langley RR, Ramirez KM, Tsan RZ, Van Arsdall MV, Nilsson MB, Fidler IJ. Tissue-specific microvascular endothelial cell lines from H-2Kb-tsA58 mice for studies of angiogenesis and metastasis. Cancer Res 2003; 63: 2971 Jat PS, Noble MD, Ataliotis P, et al. Direct derivation of conditionally immortal cell lines from an H-2Kb-tsA58 transgenic mouse. Proc Natl Acad Sci USA 1991; 88: 5096 Obeso J, Weber J, Auerbach R. A hemangioendothelioma-derived cell line: its use as a model for the study of endothelial cell biology. Lab Investig 1990; 63: 259 Broome MA, Courtneidge SA. No requirement for Src family kinases for PDGF signaling in fibroblasts expressing SV40 large T antigen. Oncogene 2000; 19: 28679. Fan D, Poste G, O'Brian CA, et al. Chemosensitization of murine fibrosarcoma cells to drugs affected by the multidrug resistance phenotype by an antidepressant trazodone: an experimental model for the reversal of intrinsic drug resistance. Int J Oncol 1992; 1: 735 Bergers G, Song S, Meyer-Morse N, Bergsland E, Hanahan D. Benefits of targeting both pericytes and endothelial cells in the tumor vasculature with kinase inhibitors. J Clin Investig 2003; 111: 128795. Beitz JG, Kim I, Calabresi P, Frackelton AR. Human microvascular endothelial cells express receptors for platelet-derived growth factor. Proc Natl Acad Sci USA 1991; 88: 20215. Smits A, Hermansson M, Nister M, et al. Rat brain capillary endothelial cells express functional PDGF B-type receptors. Growth Factors 1989; 2: 1 Beitz JG, Kim IS, Calabresi P, Frakelton AR. Receptors for platelet-derived growth factor on microvascular endothelial cells. EXS 1992; 61: 8590. Kanda S, Landgren E, Ljungstrom M, Claesson-Welsh L. Fibroblast growth factor receptor 1-induced differentiation of endothelial cell line established from tsA58 large T transgenic mice. Cell Growth Differ 1996; 7: 38395. Risau W, Drexler H, Mironov V, et al. Platelet-derived growth factor is angiogenic in vivo. Growth Factors 1992; 7: 261 Lokker NA, Sullivan CM, Hollenbach SJ, Israel MA, Giese NA. Platelet-derived growth factor PDGF ; autocrine signaling regulates survival and mitogenic pathways in glioblastoma cells: evidence that the novel PDGF-C and PDGF-D ligands may play a role in the development of brain tumors. Cancer Res 2002; 62: 3729 Shimamura H, Terada Y, Okado T, Tanaka H, Inoshita S, Sasaki S. The PI3-kinaseAkt pathway promotes mesangial cell survival and inhibits apoptosis in vitro via NF- B and Bad. J Soc Nephrol 2003; 14: 142734. Zhang SX, Gozal D, Sachleben LR Jr, Rane M, Klein JB, Gozal E. Hypoxia induces an autocrine-paracrine survival pathway via platelet-derived growth factor PDGF ; B PDGF- receptor phosphatidylinositol 3-kinase Akt signaling in RN46A neuronal cells. FASEB J 2003; 17: 1709 Mundy GR. Metastasis to bone: causes, consequences and therapeutic opportunities. Nat Rev Cancer 2002; 2: 584 Weber KL. Blockade of epidermal growth factor receptor signaling leads to inhibition of renal cell carcinoma growth in the bone of nude mice. Cancer Res 2003; 63: 2940.
However, few studies have assessed the impact of those antibiotics on the nasopharyngeal flora of patients Recent reports indicate an increasing prevalence of suffering from a defined pathology such as AOM, both resistant Haemophilus influenzae and Streptococcus pneu - immediately after treatment and at follow-up. moniae in middle ear fluid cultures from children with In a large multicentre clinical study performed between acute otitis media AOM ; .1 For the nasopharyngeal flora, October 1993 and April 1994, we studied the effect of a 10 the use of antibiotics is one of the principal causes of this day course of either cefixime or co-amoxiclav on the nasoproblem. pharyngeal carriage of S. pneumoniae and H. influenzae, at Some authors have established a correlation between enrolment, end of treatment and follow-up in children the increase in consumption of aminopenicillin or cephalo- with AOM. sporins and the carriage of resistant strains of H. influenzae and S. pneumoniae. 2, 3 Others have determined Materials and methods the relative risk of a previous treatment with -lactams on the carriage or on the development of an infection with Between October 1993 and April 1994, 511 children penicillin-resistant S. pneumoniae PRSP ; .48 Numerous suffering AOM with effusion13 were randomized in the studies have shown variable results for the capacity of study, performed by 150 clinicians in private practice twocertain -lactams to select resistant mutants in vitro.912 thirds of whom were paediatricians, and one-third ear.
CCL21, and CXCL12. iNKT localization most likely was primarily due to CCL2 because six out of eight neuroblastoma cell lines secreted CCL2, which was required and sufficient for TEM of iNKTs in vitro. CCL2 expression was inversely associated with MYCN gene amplification and expression, and MYCN-high CCL2-low expression accurately predicted the absence of iNKTs in tumors. This is the first correlation between oncogene activation, CCL2 expression, and iNKT cell infiltration. Together, our data suggest that iNKTs migrate into neuroblastomas, particularly those without MYCN amplification, in response to CCL2. The chemokine milieu in the tumor microenvironment is likely to be a major determinant of infiltration and possibly function of specific types of lymphoid and myeloid cells. Although CCL2 alone mediated iNKT cell migration to neuroblastoma cell line supernatants in vitro, tumors expressed three additional chemokines CXCL12, CCL21, and CCL5 ; that also correlated with iNKT cell infiltration. These other chemokines could have contributed to localization in vivo because iNKTs express receptors for them. The receptors for all four chemokines are equally expressed among functionally distinct CD4 and CD4 iNKT subsets, and so it is not likely that a subset of iNKTs preferentially infiltrated neuroblastomas 2931 ; . Chemokines also may influence the type of immune response in a microenvironment by recruiting specific types of myeloid and lymphoid cells. Indeed, murine iNKTs recruited to lungs by CCL2 after infection with Cryptococcus neoformans were important for development of Th1 immune responses because both lung IFN- production and specific delayed-type hypersensitivity were significantly greater in wild-type mice than in V 14 NKT celldeficient mice 32 ; . Thus, the repertoire of chemokines expressed by tumors could determine localization of lymphocyte subsets and have a functional effect on immune responses. Our paper is the first to correlate iNKT cell infiltration into a human tumor with CCL2 expression. Another investigation of 60 squamous cell carcinomas and adenocarcinomas of the lung demonstrated the presence of iNKTs with a PCR assay for invariant V 24-J 18, but did not address mechanisms of localization 13 ; . Correlation of CCL2 expression and iNKT infiltration suggests that many types of human tumors that express CCL2 also may contain iNKTs 33 ; . However, effects of CCL2 may be different depending on chemokine level. For example, low expression of CCL2 after gene transfection into a nontumorigenic human melanoma cell line stimulated tumor formation in SCID mice, whereas transfection that caused 100-fold higher expression was associated with large infiltration of inflammatory cells presumably monocytes ; and tumor necrosis 34 ; . Expression of CD1d on APCs is required for iNKT cell functional responses 35 ; , and it has been demonstrated recently that ganglioside GD3 derived from human melanoma cells can be effectively cross-presented to murine iNKTs by syngeneic APCs in a CD1d-dependent manner 36 ; . Similar to melanoma, neuroblastoma cells do not express CD1d 20 ; , but do produce a variety of gangliosides, including.
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