نتایج جستجو برای: apaf1
تعداد نتایج: 548 فیلتر نتایج به سال:
Drug resistance in childhood acute lymphoblastic leukemia (ALL) and acute myeloid leukemia (AML) is associated with impaired ability to induce apoptosis. To elucidate causes of apoptotic defects, we studied the protein expression of Apaf-1, procaspases-2, -3, -6, -7, -8, -10, and poly(adenosine diphosphate [ADP]-ribose) polymerase (PARP) in cells from children with acute lymphoblastic leukemia ...
In the apoptosis pathway in mammals, cytochrome c and dATP are critical cofactors in the activation of caspase 9 by Apaf-1. Until now, the detailed sequence of events in which these cofactors interact has been unclear. Here, we show through fluorescence polarization experiments that cytochrome c can bind to Apaf-1 in the absence of dATP; when dATP is added to the cytochrome c.Apaf-1 complex, fu...
(2S,3S,4S,5R,6R)-6-(4-((4-guanidinobutoxy)carbonyl)-2,6-dihydroxyphenoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid (ZYZ-488) was discovered as a novel inhibitor of apoptotic protease activating factor-1 (Apaf-1). In present work, a surface plasmon resonance (SPR) assay confirms the direct binding between ZYZ-488 and Apaf-1 and this interaction was found to be able to block the recr...
The expression of genes involved in p53-mediated apoptosis was studied using cDNA microarray after treating isogenic cell lines with either ionizing radiation or doxorubicin. Most of the known p53 transcriptional activation target genes clustered in a functional category defined by early and p53-dependent induction, regardless of the type of stress. Apoptotic protease activating factor-1 (APAF-...
BACKGROUND AND PURPOSE Emerging evidence suggests that mitochondrial damage-mediated neuronal apoptosis is a major contributor to neonatal hypoxic-ischemic (H-I) brain injury. This study was performed to determine whether targeted inhibition of the apoptotic protease activating factor-1 (Apaf-1) signaling pathway downstream of mitochondrial damage confers neuroprotection in rodent models of neo...
UNLABELLED The balance between apoptosis and proliferation is tipped towards a decrease of apoptosis as the colonocyte progresses in the adenoma to carcinoma sequence of colon carcinogenesis. According to literature data, proteins like p53, Ki-67, APAF-1, Ets-1, PTEN contribute to inhibition of apoptosis and stimulation of proliferation. AIM Considering the complex interference among colorect...
Purpose: Monoclonal gammopathy of undetermined significance (MGUS) is a plasma cell dyscrasia. It known that MGUS has an increased risk progression to multiple myeloma (MM), and also prepares the ground for diseases such as Waldenstrom macroglobulinemia (WM), non-Hodgkin lymphoma, chronic lymphocytic leukemia (CLL). Our study aimed evaluate whether some important p53 pathway genes differ in ter...
Abstract Objective The purpose of this study is to explore the effect miRNA-539 on osteosarcoma (OS) and underlying mechanism, so as find a new method for early diagnosis treatment osteosarcoma. Method mimics was transfected into cells 143b MG-63 upregulated expression miR-539. QT-PCR used detect transfection efficacy. CCK-8 proliferation flow cytometry apoptosis MG-63. Wound-healing test Trans...
Ipconazole is an antifungal agrochemical widely used in agriculture against seed diseases of rice, vegetables, and other crops; due to its easy accumulation the environment, it poses a hazard human, animal, environmental health. Therefore, we investigated cytotoxic effect ipconazole on SH-SY5Y neuroblastoma cells using cell viability tests (MTT), ROS production, caspase3/7 activity, molecular a...
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