نتایج جستجو برای: پروتیین survivin
تعداد نتایج: 5690 فیلتر نتایج به سال:
چکیده زمینه و هدف: Survivin عضو جدیدی از خانواده پروتئینهای مهارکننده آپوپتوز (IAP)می باشد که نقش مهمی در تنظیم چرخه سلولی و ممانعت از مرگ برنامهریزی شده سلول ایفا میکند. بیان متمایز این ژن در سلولهای توموری بر خلاف سلولهای نرمال، آن را به عنوان چهارمین ترانسکریپتوم عمده در تومورها معرفی کرده است. سرطان تیروئید شایعترین بدخیمی غدد درون-ریز میباشد. به دلیل ناهمگونی بالای ندولهای تومور...
objective: inhibition of apoptosis may favor the onset and progression of cancer. survivin is an inhibitor of apoptosis that has been considered as a potential marker for diagnostic and/or prognostic of bladder cancer. the survivin protein regulates both cell division and cell death and is overexpressed in the vast majority of human cancers. in this study, the expression pattern and potential p...
Objectives: Considerable differences are known between proximal and distal colon, these include embryological, anatomical, histological, biochemical, physiological characteristics. Above mentioned distinctions may influence development of variable clinico-morphological entities. Multifunctional antiapoptotic protein survivin participates in regulation cell cycle, apoptotic cascades, stimulates ...
BACKGROUND A total of 4 additional splice variants (survivin-DeltaEx3, survivin 2alpha, survivin-2B, and survivin-3B) have been described for survivin [baculoviral IAP repeat-containing protein (BIRC-5), approved gene symbol BIRC5], which has been implicated in both inhibition of apoptosis and regulation in mitosis in many tumor types. In this study, we assessed whether the survivin splice vari...
background: the aim of this study was to detect the prognostic significance of survivin level and the expression of total p53 in acute lymphoblastic leukemia (all) and its correlation to patients' outcome. methods: sixty two children newly diagnosed with acute lymphoblastic leukemia were treated with chemotherapy and followed up for 2 years or until death. twenty apparently healthy volunteers w...
Survivin is a critical regulator of mitosis, and an inhibitor of apoptosis which is overexpressed in almost all cancers. In the current study, cell cycle profiles of normal proliferating human umbilical vein endothelial cells, prostate cancer, and lung cancer cell lines expressing varying levels of survivin and its splice variants were compared using a novel functional complementation assay. De...
objective: because of the necessity of more effective treatments for the nervous system injuries and considering the role of survivin in cellular proliferation and apoptotic cell death, we have monitored survivin gene expression changes during the course of regeneration in injured sciatic nerves and also l4-l6 segments of spinal cord. materials and methods: we used adult male nmri mice as a mo...
Background: A total of 4 additional splice variants (survivinEx3, survivin 2 , survivin-2B, and survivin3B) have been described of survivin [baculoviral IAP repeat-containing protein (BIRC-5), approved gene symbol BIRC5], which has been implicated in both inhibition of apoptosis and regulation in mitosis in many tumor types. In this study, we assessed whether the survivin splice variants modula...
BACKGROUND Survivin is a small protein inhibitor of apoptosis and a tumor associated antigen. Survivin expression in multiple myeloma is associated with poor prognosis, disease progression, and drug resistance. The CD4+ response against survivin remains uncharacterized. METHODS In order to better understand the anti-tumor immune response to survivin, and optimize vaccination strategies, we ch...
background : mdm2, e-cadherin, survivin and her2 genes are involved in the regulation of normal cell growth. however, any crucial change in their expression levels can convert a normal cell into a cancer cell. numerous studies have identified alterations of these gene expression levels in various cancers, particularly in breast cancer. thus, they may be used as diagnostic biomarkers. in this ex...
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