نتایج جستجو برای: htert و survivin
تعداد نتایج: 767012 فیلتر نتایج به سال:
Introduction: Survivin is a new member of the Inhibitor Apotosis Protein family (IAP) which plays an important role in the regulation of both cell cycle and apoptosis. Its distinct expression in tumor cells as compared to normal adult cells introduces Survivin as the fourth transcriptom demonstrated in tumors. Breast cancer is the most common malignancy among women and scientist`s efforts to cl...
Abstract Background Chromosomal inversions involving anaplastic lymphoma kinase ( ALK ) and echinoderm microtubule associated protein like 4 EML4 generate a fusion EML4-ALK in non-small cell lung cancer (NSCLC). The understanding of function can be improved by functional study using normal human cells. Methods Here we for the first time conduct such to examine effects on proliferation, cellular...
صلاخلا ـ ة : ُّ دعتُ ل ثم ةيعيبطلا تاغللا ةجلاعم تاقيبطت نم ديدعلل ايساسأ انوكم ةيعوضوملا ةئزجتلا قيبطت تامولعملا عاجرتساو صوصنلا صيخلت . نم فدهلا وه ثحبلا اذ ه قت و مي ةيعوضوملا ة ئزجتلا تا يمزراوخ ة يلاعف ضوملا دودحلا ى لع فرعتلا يف ة يبرعلا صوصنلا لخاد ةيعو . م تو قايس لا اذ ه يف ة فلتخم رداصم نم ةيبرع صوصن ةسمخ لخاد اهنوظحلاي يتلا ةركفلا وأ عوضوملا تاريغت ىلع فرعتلل ةيبرعلا ةغللا ءارق نم ة...
Telomerase and systems controlling their activity have been of great attention. There are controversies regarding the role of the alternative splicing forms of the human telomerase reverse transcriptase (hTERT), the catalytic subunit of telomerase. Therefore, the correlation between telomerase enzyme activity, the abundance of alternatively spliced variants of hTERT and doubling time of a seri...
Received: 22 Sep, 2012 Accepted: 18 Des, 2012 Background & Aims : Chronic myeloid leukemia (CML) is a hematopoietic malignancy in which chromosomal translocation is involved in indefinite proliferation and resistance to apoptosis. It has been showed that survivin over-expression is associated with poor prognosis and poor response to chemotherapy of leukemia patients. However, there is no co...
High-risk human papillomaviruses (HPVs) immortalize keratinocytes by disrupting the retinoblastoma protein (Rb)/p16 pathway and activating telomerase. The E7 oncoprotein targets Rb, while the E6 oncoprotein induces telomerase activity in human keratinocytes. This study has examined the mechanism by which E6 activates telomerase. Expression of human telomerase reverse transcriptase (hTERT), the ...
High human telomerase reverse transcriptase (hTERT) expression is related to severe Colorectal Cancer (CRC) progression and negatively CRC patient survival. Previous studies have revealed that hTERT can reduce cancer cellular reactive oxygen species (ROS) levels accelerate progression; however, the mechanism remains poorly understood. NFE2-related factor 2 (NRF2) a molecule plays significant ro...
AIM To investigate the effect of inhibition of telomerase with human telomerase reverse transcriptase (hTERT) antisense on tumor necrosis factor-alpha (TNF-alpha)-induced apoptosis in prostate cancer cells (PC3). METHODS Antisense phosphorothioate oligodeoxynucleotide (AS PS-ODN) was synthesized and purified. Telomerase activity was measured using the telomeric repeat amplification protocol (...
Previous studies have shown that wild-type human telomerase reverse transcriptase (hTERT) protein can functionally replace the human papillomavirus type 16 (HPV-16) E6 protein, which cooperates with the viral E7 protein in the immortalization of primary keratinocytes. In the current study, we made the surprising finding that catalytically inactive hTERT (hTERT-D868A), elongation-defective hTERT...
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