نتایج جستجو برای: apoptotic protease activating factor 1 apaf 1
تعداد نتایج: 3426648 فیلتر نتایج به سال:
The aim of this study was to discuss the role of c-KIT mutation in the pathogenesis of gastrointestinal stromal tumors (GISTs) and analyze its correlation with proliferation and apoptosis. c-KIT and PDGFRA genotypes were examined by deoxyribonucleic acid sequencing. Immunohistochemistry was performed to determine the expression levels of Kit, Ki-67 (proliferation marker), and apoptotic protease...
Although neoadjuvant chemotherapy has improved the survival rate of osteosarcoma patients, drug resistance remains a predominant obstacle to improving efficacy and necessitates the development of novel chemotherapeutical agents. The aim of this study was to investigate whether tetrandrine (TET) induces apoptosis in the U-2OS and MG-63 osteosarcoma cell lines and to further determine the underly...
Although the apoptotic role of caspases has been largely understood, accumulating evidence in Drosophila suggests that caspases also control other processes than apoptotic cell death. However, how caspases contribute to the development of the mammalian nervous system remains obscure. Here, we provide unique evidence that Apaf-1/caspase-9-mediated caspase signaling regulates the development of o...
Apaf-1, the key element of apoptotic mitochondrial pathway, normally exists in an auto-inhibited form inside the cytosol. WRD-domain of Apaf-1 has a critical role in the preservation of auto-inhibited form; however the underlying mechanism is unclear. It seems the salt bridges between WRD and NOD domains are involved in maintaining the inactive conformation of Apaf-1. At the present study, we h...
Autocatalytic activation of initiator caspases is the link between pro-apoptotic signals and the destruction machinery of apoptosis. Activation of caspase-9, which mediates oncogene and drug-induced apoptosis, requires binding to the protein APAF-1. We found that the proteolytic activity of caspase-9 in a complex with APAF-1 is several orders of magnitude higher than that of the free enzyme. Th...
Background: Systemic sclerosis (SSc) is an autoimmune rheumatic connective tissue disease. In normal wound healing process, fibroblasts are activated, proliferated and involved in tissue repair, and then removed by apoptosis. In systemic sclerosis, patient’s fibrosis occurs when fibroblasts become resistant to apoptosis and secrete a large amount of collagen and other extracellular matrixes. As...
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