نتایج جستجو برای: ژن tbx21
تعداد نتایج: 16185 فیلتر نتایج به سال:
CD8(+) T cells are fundamental for immune-mediated clearance of viral infections and contribute to immune pathology in autoimmune diseases such as type 1 diabetes. To execute these functions, CD8(+) T cells must differentiate into CTLs, a process that is precisely regulated by a variety of cytokines, costimulatory molecules, and transcription factors. IL-21 is an IL-2 family cytokine and a grow...
The complex relationship between Th1 and Th17 cells is incompletely understood. The transcription factor T-bet is best known as the master regulator of Th1 lineage commitment. However, attention is now focused on the repression of alternate T cell subsets mediated by T-bet, particularly the Th17 lineage. It has recently been suggested that pathogenic Th17 cells express T-bet and are dependent o...
Abstract Background Mycobacteria include ubiquitous species of varying virulence. However, environmental and individual-specific factors, particularly host genetics, play a crucial role in the outcome exposure to mycobacteria. The first molecular evidence monogenic predisposition mycobacteria came from study Mendelian susceptibility mycobacterial disease (MSMD), rare inborn error IFN- γ immunit...
زمینه و هدف: کمتحرکی در مقابل آن تمرین جزء عوامل مرتبط با شاخصهای آسیب کبدی بهشمار میروند. وجود این هنوز نقش بسیاری از تمرینهای ورزشی بهویژه تمرینات تناوبی مقاومتی مصرف برخی مکملهای غذایی جمله اسپیرولینا بر ایمنی التهابی کاملاٌ شناخته نشده است؛ بنابراین هدف پژوهش تعیین اثر هشت هفته مکملدهی هوازی فعالیت بافت کبد بیان ژن CXCL1 عضلة موشهای صحرایی نر بود.مواد روشها: نیمهتجربی، 60 سر موش ن...
Visceral leishmaniasis (VL) is a tropical neglected disease caused by Leishmania donovani, results in significant mortality in the Indian subcontinent. The plasticity of T cell proliferation and differentiation depends on microRNA mediated gene regulation which leads Th1/Th2 or Th17/Treg type of immune response during human VL. This study depicts the identification of target immune signaling mo...
CD8+ T cells in progressing tumors frequently fail to mount an effective antitumor response often in association with the expression of inhibitory receptors, including programmed cell death-1 (PD-1) and lymphocyte-activation gene 3 (Lag3). Using a lymphoma tumor model, we demonstrate that tumor-infiltrating CD8+ T cells from growing tumors co-express inhibitory receptors and co-stimulatory rece...
Aspirin-induced asthma (AIA) and aspirin-induced urticaria/ angioedema (AIU) are two major aspirin-related allergies. We summarize recent findings related to their molecular genetic mechanisms in order to identify genetic susceptibility markers for differentiating AIU and AIA. The overproduction of cysteinyl leukotriene has been suggested as a mechanism in both AIU and AIA. Increased expression...
CD8+ T cells play a critical role in the immune response to viral pathogens. Persistent human cytomegalovirus (HCMV) infection results in a strong increase in the number of virus-specific, quiescent effector-type CD8+ T cells with constitutive cytolytic activity, but the molecular pathways involved in the induction and maintenance of these cells are unknown. We show here that HCMV infection ind...
Despite the importance of the co-receptor PD-1 in T cell immunity, the upstream signaling pathway that regulates PD-1 expression has not been defined. Glycogen synthase kinase 3 (GSK-3, isoforms α and β) is a serine-threonine kinase implicated in cellular processes. Here, we identified GSK-3 as a key upstream kinase that regulated PD-1 expression in CD8(+) T cells. GSK-3 siRNA downregulation, o...
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