نتایج جستجو برای: cd4 cd8 ratio
تعداد نتایج: 580064 فیلتر نتایج به سال:
Purpose: To evaluate the effects of glutamine (L-Gln) or whey-protein supplementation on CD4+ and CD8+ lymphocytes in alloxan-induced diabetic rats. Methods: Thirty-two healthy male Wistar rats were used in the experiment. Eight rats served as baseline controls (G-1). The remaining 24 animals received alloxan 150mg/Kg intraperitonially dissolved in buffer solution and were equally distributed i...
Previously, we found that 25 to 50 IU/kg of dietary vitamin E (VE) had very different immunoregulatory effects than high VE levels (200 IU/kg), and we hypothesized that this difference was due to different cytokine profiles. Chicks were fed 0, 30, or 200 IU/kg supplemental VE and percentages of CD4+CD8-, CD4-CD8+, CD4+CD8+, and CD4-CD8- lymphocytes, and the ratio of CD4+/CD8+ lymphocytes was de...
Abnormal expansion or depletion of particular lymphocyte subsets is associated with clinical manifestations such as HIV progression to AIDS and autoimmune disease. We sought to identify genetic predictors of lymphocyte levels and reasoned that these may play a role in immune-related diseases. We tested 2.3 million variants for association with five lymphocyte subsets, measured in 2538 individua...
background: determination of the division history of t cells in vitro is helpful in the study of effector mechanisms against infections. technique described here uses the intracellular fluorescent label carboxyfluorescein diacetate succinimidyl ester (cfse) to monitor the proliferation. methods: in a cross sectional study, blood samples were collected from 7 volunteers with history of cutaneous...
background: cd4+ and cd8+ t cells are the main types of lymphocytes in cell-mediated immunity and play a central role in the induction of efficient immune responses against tumors. the frequencies of t cell subtypes in the peripheral blood and tumor tissues, and draining lymph nodes (dln) can be considered as useful markers for evaluation of the immune system in cancers. methods: in this study,...
BACKGROUND There is now evidence that specific subgroups of patients with Myalgic Encephalomyelitis / chronic fatigue syndrome (ME/CFS) suffer from a neuro-psychiatric-immune disorder. This study was carried out to delineate the expression of the activation markers CD38 and human leukocyte antigen (HLA) DR on CD4+ and CD8+ peripheral blood lymphocytes in ME/CFS. METHODS Proportions and absolu...
هدف از این پژوهش، مقایسة تأثیر دو نوع بازیافت فعال و غیرفعال بر تغییرات شاخصهای منتخب دستگاه ایمنی پس از فعالیت ورزشی درماندهساز در دانشجویان مرد ورزشکار است. به این منظور با استفاده از آزمون کوپر و سنجش BMI، 20 دانشجوی ورزشکار رشتة آمادگی جسمانی انتخاب و بهصورت تصادفی به دو گروه اول (بازیافت فعال) و گروه دوم (بازیافت غیرفعال) تقسیم شدند. هر دو گروه پروتکل چندمرحلهای بروس را تا درماندگی ا...
Ovarian cancer is an immune reactive malignancy with a complex immune suppressive network that blunts successful immune eradication. This suppressive microenvironment may be mediated by recruitment or induction of CD4(+) regulatory T cells (Tregs). Our study sought to investigate the association of tumor-infiltrating CD4(+)CD25(+)FOXP3(+) Tregs, and other immune factors, with clinical outcome i...
PURPOSE Forkhead box P3 (Foxp3) is known as the most specific marker for regulatory T lymphocytes, which play an important role in immune tolerance to disturb antitumor immunity. The present study aimed to investigate the prognostic significance of Foxp3 regulatory T lymphocyte (Foxp3 Treg) infiltration in breast cancer. METHODS Immunohistochemical studies with Foxp3, CD4, and CD8 were perfor...
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