نتایج جستجو برای: caspase
تعداد نتایج: 36166 فیلتر نتایج به سال:
Caspase-8 (Fas-associating protein with death domain-like interleukin-1beta- converting enzyme [FLICE]/MACH/Mch5) belongs to a family of cysteine proteases presumed to be the apex of the apoptotic signaling pathways. We recently reported the presence of a novel isoform of caspase-8, named caspase-8L, generated by the alternative splicing of human caspase-8 gene, from human peripheral blood lymp...
Members of the caspase family are essential for many apoptotic programs. We studied mouse embryonic fibroblasts (MEFs) deficient in caspases 3 and 7 and in caspase 9 to determine the role of these proteases in endoplasmic reticulum (ER) stress-induced apoptosis. Both caspase 3(-/-)/caspase 7(-/-) and caspase 9(-/-) MEFs were resistant to cytotoxicity induced via ER stress and failed to exhibit ...
Caspase-8 plays an important role in death-receptor-mediated apoptosis of hepatocytes. We constructed short hairpin RNAs (shRNAs) against caspase-8 and investigated the effects of caspase-8 targeting shRNAs on apoptosis of Hepa1-6 cells induced by TNF-alpha. Oligonucleotides coding for four shRNAs against caspase-8 were cloned into mammalian expression vector Pgenesil-1 containing U6 promoter, ...
Beta1-integrin protects keratinocyte stem cells (KSC) from cell-detachment apoptosis ('anoikis'). Here we show that caspase-8 active protein is detected in both young transit amplifying (TA) cells and TA cells, but not in KSC. On suspension, caspases are activated earlier in young TA than in KSC, whereas anti-beta1-integrin neutralizing antibody accelerates caspase activation in both KSC and yo...
Objectives Osteoarthritis (OA) is a chronic joint disease characterized by osteoproliferation and the degeneration destruction of articular cartilage. Platelet-rich plasma (PRP) rich in various growth factors that have been reported to promote bone defect repair. This study examined specific role mechanism PRP OA. Methods OA model cells were created treating chondrocytes with IL-1β. After treat...
IL-1β and IL-18 are crucial regulators of inflammation and immunity. Both cytokines are initially expressed as inactive precursors, which require processing by the protease caspase-1 for biological activity. Caspase-1 itself is activated in different innate immune complexes called inflammasomes. In addition, caspase-1 activity regulates unconventional protein secretion of many other proteins in...
Caspase-11, a member of the murine caspase family, has been shown to be an upstream activator of caspase-1 in regulating cytokine maturation. We demonstrate here that in addition to its defect in cytokine maturation, caspase-11-deficient mice have a reduced number of apoptotic cells and a defect in caspase-3 activation after middle cerebral artery occlusion (MCAO), a mouse model of stroke. Reco...
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