نتایج جستجو برای: socs1 gene
تعداد نتایج: 1141759 فیلتر نتایج به سال:
Persistent hepatitis B virus (HBV) infection is characterized by a weak adaptive immune response, which is considered to be due to an imbalance of T helper cell types 1 and 2 (Th1/Th2). Suppressors of cytokine signaling (SOCS) family members, particularly SOCS1 and SOCS3, have been demonstrated to be important in the regulation of T cell differentiation. Previous studies by our group showed tha...
Psoriasis (PS) and Crohn disease (CD) have been shown to be epidemiologically, pathologically, and therapeutically connected, but little is known about their shared genetic causes. We performed meta-analyses of five published genome-wide association studies on PS (2,529 cases and 4,955 controls) and CD (2,142 cases and 5,505 controls), followed up 20 loci that showed strongest evidence for shar...
OBJECTIVE To investigate the regulation mechanism of T cell immunoglobulin and mucin domain-3 (Tim-3) combined with toll-like receptor 3 (TLR3) or TLR4 on antiviral immune and inflammatory response in patients with chronic hepatitis C virus (HCV) infection. METHODS Patients with chronic HCV infection and healthy control subjects were recruited. Patients received interferon (IFN)-α based thera...
We propose that deregulated T-helper-cell (Th) signaling underlies evolving Th17 cytokine expression seen during progression of cutaneous T-cell lymphoma (CTCL). Accordingly, we developed a lymphoma progression model comprising cell lines established at indolent (MAC-1) and aggressive (MAC-2A) CTCL stages. We discovered activating JAK3 (V722I) mutations present at indolent disease, reinforced i...
von Hippel-Lindau (VHL) disease is a cancer syndrome, which includes renal cell carcinoma (RCC), and is caused by VHL mutations. Most, but not all VHL phenotypes are due to failure of mutant VHL to regulate constitutive proteolysis of hypoxia-inducible factors (HIFs). Janus kinases (JAK1, 2, 3, and TYK2) promote cell survival and proliferation, processes tightly controlled by SOCS proteins, whi...
Psoriasis is a common relapsing autoimmune skin disease. Effective treatment resolves cutaneous symptoms, but they often relapse in previously involved regions. Apart from T-cell-driven disease memory, pathogenic genetic and epigenetic memory of the structural cells has been suggested, however nature such plaque-site still under investigation. We aimed to perform pairwise comparison psoriatic n...
Core TFIIH from yeast, made up of five subunits required both for RNA polymerase II transcription and nucleotide excision DNA repair, formed 2D crystals on charged lipid layers. Diffraction from electron micrographs of the crystals in negative stain extended to about 13 angstrom resolution, and 3D reconstruction revealed several discrete densities whose volumes corresponded well with those of i...
بیماری ام اس یک بیماری التهابی با منشا خودایمنی در سیستم اعصاب مرکزی بدن است. با وجود تلاش های محققان مختلف در حوزه های متفاوت علوم پزشکی هنوز علت بروز این بیماری پیچیده ناشناخته باقی مانده است. اکثر مطالعات انجام شده در این حوزه بر نقش توام ژنتیک و محیط در کنار هم در بروز این بیماری دلالت دارند. میزان شیوع این بیماری در قسمت های مختلف دنیا متفاوت است و کشور ایران با بررسی های انجام شده در ناحی...
Suppressors of cytokine signalling (SOCS) proteins are classic inhibitors of the Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway. Many cytokines and pathogenic mediators induce expression of SOCS, which act in a negative feedback loop to inhibit further signal transduction. SOCS mRNA expression is regulated by DNA binding of STAT proteins, however, their post-tr...
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