نتایج جستجو برای: pro apoptotic
تعداد نتایج: 126883 فیلتر نتایج به سال:
OBJECTIVE To demonstrate the presence and importance of apoptotic activity in heart failure during acute exacerbations and to investigate the effects of different drugs used and co-morbidities on levels of N-Terminal pro-Brain Natriuretic Peptide and apoptotic activity on admission and during hospitalisation. METHODS The descriptive study was conducted at the emergency department of Istanbul ...
conclusions the analysis of the pro-apoptotic gene to anti-apoptotic gene expression ratio (bad /bcl-xl) confirmed that expression of the pro-apoptotic gene significantly decreased (p value ˂ 0.001) under the ischemia/reperfusion condition. in contrast, the expression of the anti-apoptotic gene increased after administration of fk-506 (p value ˂ 0.001). results the quantitative results of real-...
Background and Aims:In neurodegenerative disorders,oxidative stress mediated by reactive oxygen species is strongly associated with increased neuronal damages which can lead to apoptosis. Pro-apoptotic and anti-apoptotic gene expressions are changed during the cell differentiation that affect cell viability and differentiation. Therefore, this study was conducted to determine the effects of hyd...
Proteins of the ASPP family bind to p53 and regulate p53-mediated apoptosis. Two family members, ASPP1 and ASPP2, have pro-apoptotic functions while iASPP shows anti-apoptotic responses. However, both the mechanism of enhancement/repression of apoptosis and the molecular basis for their different responses remain unknown. To address the role of the N-termini of pro-apoptotic ASPP proteins, we s...
BACKGROUND In this study, we investigated the importance of apoptosis for cell death after radiotherapy, and whether the expression of pro- and anti-apoptotic proteins has any correlation to the radiosensitivity. METHODS Three oral squamous cell carcinoma cell lines, UT-SCC-2, UT-SCC-9 and UT-SCC-24A, were subjected to radiotherapy. After irradiation, viable and dead cells were counted to det...
In the intracellular death program, hetero- and homodimerization of different anti- and pro-apoptotic Bcl-2-related proteins are critical in the determination of cell fate. From a rat ovarian fusion cDNA library, we isolated a new pro-apoptotic Bcl-2 gene, Bcl-2-related ovarian killer (Bok). Bok had conserved Bcl-2 homology (BH) domains 1, 2, and 3 and a C-terminal transmembrane region present ...
BACKGROUND The Bcl-2 family of proteins plays a key role in the regulation of apoptosis. Some family members prevent apoptosis induced by a variety of stimuli, whereas others promote apoptosis. Competitive dimerisation between family members is thought to regulate their function. Homologous domains within individual proteins are necessary for interactions with other family members and for activ...
During development, sensory axons compete for limiting neurotrophic support, and local neurotrophin insufficiency triggers caspase-dependent axon degeneration. The signaling driving axon degeneration upon local deprivation is proposed to reside within axons. Our results instead support a model in which, despite the apoptotic machinery being present in axons, the cell body is an active participa...
Despite the establishment of the important role of nitric oxide (NO) on apoptosis, a molecular-level understanding of the origin of its dichotomous pro- and anti-apoptotic effects has been elusive. We propose a new mathematical model for simulating the effects of nitric oxide (NO) on apoptosis. The new model integrates mitochondria-dependent apoptotic pathways with NO-related reactions, to gain...
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