نتایج جستجو برای: 23r
تعداد نتایج: 286 فیلتر نتایج به سال:
RORγt(+) Th17 cells are important for mucosal defenses but also contribute to autoimmune disease. They accumulate in the intestine in response to microbiota and produce IL-17 cytokines. Segmented filamentous bacteria (SFB) are Th17-inducing commensals that potentiate autoimmunity in mice. RORγt(+) T cells were induced in mesenteric lymph nodes early after SFB colonization and distributed across...
Cancer stem cells (CSCs) are a group of cells which possess the ability of self-renewing and unlimited proliferation. And these CSCs are thought to be the cause of metastasis, recurrence and resistance. Recent study has found that pro-inflammatory cytokine and chemotactic factor mediate the self-renewing and differentiation of most of CSCs. Thus we speculate that ovarian cancer stem cells (OCSC...
Psoriatic arthritis (PsA) is a chronic inflammatory arthritis and considered to be a less severe condition than rheumatoid arthritis. PsA patients have been treated for a long time with a number of different agents, from non-steroidal anti-inflammatory drugs to one or more disease-modifying antirheumatic drugs. In the last decade, recognition of the central role of tumor necrosis factor-alpha (...
Stress-activated transcription factors influence T-cell function in different physiopathologic contexts. NFAT5, a relative of nuclear factor κB and the calcineurin-activated NFATc transcription factors, protects mammalian cells from hyperosmotic stress caused by the elevation of extracellular sodium levels. In T cells exposed to hypernatremia, NFAT5 not only induces osmoprotective gene products...
STAT3 activation has been observed in several autoimmune diseases, suggesting that STAT3-mediated pathways promote pathologic immune responses. We provide in vivo evidence that the fundamental role of STAT3 signaling in autoimmunity relates to its absolute requirement for generating T(H)17 T cell responses. We show that STAT3 is a master regulator of this pathogenic T cell subtype, acting at mu...
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