نتایج جستجو برای: ویتامین 12b
تعداد نتایج: 4667 فیلتر نتایج به سال:
Objectives. Th1 cells have been implicated as the causal agents in the pathogenesis of autoimmunity. SLE represents the classical prototype of systemic autoimmune disease. Copy number variations (CNVs) have been discovered to have phenotypic consequences and associate with various types of diseases. The current study aims to explore a possible association between CNVs of Th1 cell-related genes ...
12b-Hydroxy-5,6,8,12b-tetrahydroisoindolo[1,2-a]isoquinolin-8-one (4), 5,6,8,12b-tetrahydroisoindolo[1,2-a]isoquinoline (5) and 12b-hydroxy-5,6,8,12btetrahydroisoindolo[1,2-a]isoquinoline (6) were obtained by reduction of 4,5,8,12b-tetrahydroisoindolo[1,2-a]isoquinolin-8-one (3) with LiAlH4/THF/N2. The precursor and products were characterized by NMR spectroscopy and the X-ray crystal structure...
هموسیستیین به عنوان یکی از عوامل خطرزای جدید بیماری های قلبی-عروقی و سندرم متابولیک مطرح شده است . با توجه به شیوع و بار اقتصادی بالای این بیماری ها در کشور ما، بررسی وضعیت توزیع این عامل خطرزا اهمیت ویژه ای دارد. روش ها: این مطالعه در ساکنین 25 تا 64 ساله پایگاه تحقیقات جمعیتی دانشگاه علوم پزشکی تهران (منطقه 17 تهران )و بر اساس طرح monica سازمان بهداشت جهانی انجام شده است. تشخیص سندرم متابولیک...
Interleukin (IL)-12 is a key factor in cell-mediated immunity that drives the development of Th1 cells and stimulates T lymphocytes and natural killer cells to produce interferon (INF)-gamma. The IL-12B gene, which encodes the p40 subunit of IL-12, is located at chromosome 5q31-33 and a linkage finding for autoimmune thyroid disease (AITD) on 5q31-33 in a Japanese population has been reported. ...
Comparison of homologous angucycline modification enzymes from five closely related Streptomyces pathways (pga, cab, jad, urd, lan) allowed us to deduce the biosynthetic steps responsible for the three alternative outcomes: gaudimycin C, dehydrorabelomycin, and 11-deoxylandomycinone. The C-12b-hydroxylated urdamycin and gaudimycin metabolites appear to be the ancestral representatives from whic...
The integral cross section of the 12C(n, p)12B reaction was measured at the neutron time of flight facility n_TOF at CERN, from the reaction threshold at 13.6 MeV up to 10 GeV, by means of the combined activation and a time-offlight technique. The integral result is expressed as the number of 12B nuclei produced per single pulse of the neutron beam. A simple integral expression is given for cal...
Genetic variants of IL-18 and IL-12B may be important in immunoregulatory abnormalities, observed in the patients with Type 1 diabetes mellitus (T1DM), that contribute to individual differences in response to a treatment. Therefore, we examined the significance of IL-18-137G/C, IL-18-607C/A, and IL-12B A/C polymorphisms in Croatians (187 patients, 236 controls), not only as factors that contrib...
UNLABELLED Dengue virus (DENV) infection usually presents with mild self-limiting dengue fever (DF). Few however, would present with the more severe form of the disease, dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). In the present study, the association between IL-12B, IL-10 and TNF-α gene polymorphisms and dengue severity was investigated. METHODS A case-control study was p...
Interleukin 12 (IL-12) is a heterodimeric, pro-inflammatory cytokine that plays a central role in activation and differentiation of CD4(+) T cells into interferon-γ secreting T-helper type 1 cells. IL-12B, a gene encoding the larger subunit of active IL-12, has been reported to be down-regulated by the nuclear hormone 1α,25-dihydroxyvitamin D(3) (1α,25(OH)(2)D(3)), but the mechanism of the regu...
IL-12 has been reported to affect thymic T cell selection, but the role of IL-12 in thymic involution has not been studied. We found that in vivo, IL-12b knockout (IL-12b(-/-)) mice exhibited accelerated thymic involution compared with wild-type (WT) B6 mice. This is characterized by an increase in thymocytes with the early development stage phenotype of CD25(-)CD44(+)CD4(-)CD8(-) in aged IL-12...
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