نتایج جستجو برای: apoptotic protease activating factor 1 apaf 1
تعداد نتایج: 3426648 فیلتر نتایج به سال:
As components of the apoptosome, a caspase-activating complex, cytochrome c (Cyt c) and Apaf-1 are thought to play critical roles during apoptosis. Due to the obligate function of Cyt c in electron transport, its requirement for apoptosis in animals has been difficult to establish. We generated "knockin" mice expressing a mutant Cyt c (KA allele), which retains normal electron transfer function...
Previous studies have shown that cerebral hypoxia results in increased activity of caspase-9 in the cytosolic fraction of the cerebral cortex of newborn piglets. The present study tests the hypothesis that hypoxia results in increased tyrosine phosphorylation of procaspase-9 and apoptotic protease activating factor-1 (Apaf-1) and the hypoxia-induced increased tyrosine phosphorylation of procasp...
The anti-CD20 monoclonal antibody rituximab (Rituxan, IDEC-C2B8) has shown promising results in the clinical treatment of a subset of patients with low grade or follicular non-Hodgkin's lymphoma (NHL). However, chemotherapy- and rituximab-refractory NHL patients may benefit from a regimen in which rituximab acts as a sensitizing agent. This study examined the apoptotic signaling mediated by rit...
Apoptosis protease activating factor-1 (Apaf-1) and death-associated protein kinase (DAPK) are p53 pathway-related genes that play significant roles in the activation of caspases, which are involved in mitochondrial-mediated apoptosis. The present study aimed to confirm the role of hyper-methylation of the Apaf-1 and DAPK gene promoter regions in oral squamous cell carcinoma (OSCC) and the effe...
Background Rho-kinase signal pathway is a new target for cancer therapy. Fasudil, a selective Rho-kinase inhibitor, is found to exert antitumor effects on several types of cancer, but whether fasudil has antitumor effects on laryngeal carcinoma is still unknown. The aim of this study was to determine the effects of fasudil on laryngeal carcinoma and explore the underlying molecular mechanisms i...
A is an ordered cascade of enzymatic events that culminates in cell death and the cleavage of DNA into characteristic nucleosomal fragments. It is operative during embryonic development and, during adult life, plays a key role in various physiological processes, such as tissue remodeling and execution and regulation of the immune response. The consequences of inappropriate apoptotic responses a...
Ectopic overexpression of Apaf-1 (2.5-fold) in human acute myelogenous leukemia HL-60 cells (HL-60/Apaf-1 cells) induced apoptosis and sensitized HL-60/Apaf-1 cells to etoposide- and paclitaxel-induced apoptosis (C. Perkins et al., Cancer Res., 58: 4561-4566, 1998). In this report, we demonstrate that in HL-60/Apaf-1 cells, the activity of caspase-9 and -3 induced by Apaf-1 overexpression was a...
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