منابع مشابه
Myc activates telomerase.
Telomere maintenance has been proposed as an essential prerequisite to human tumor development. The telomerase enzyme is itself a marker for tumor cells, but the genetic alterations that activate the enzyme during neoplastic transformation have remained a mystery. Here, we show that Myc induces telomerase in both normal human mammary epithelial cells (HMECs) and normal human diploid fibroblasts...
متن کاملc-Myc promoter activation in medulloblastoma.
%The c-myc oncogene is commonly activated in medulloblastoma. Genomic amplification is a well-documented cause of c-myc activation but does not account for all cases of c-myc activation. In this study, we sought other means by which c-myc is overexpressed in medulloblastoma. Twelve medulloblastoma or PNET cell lines were screened for c-myc genomic amplification, mRNA levels, and protein levels....
متن کاملDirect activation of HSP90A transcription by c-Myc contributes to c-Myc-induced transformation.
The c-myc proto-oncogene encodes a ubiquitous transcription factor involved in the control of cell growth and differentiation and implicated in inducing tumorigenesis. Understanding the function of c-Myc and its role in cancer depends upon the identification of c-Myc target genes. Heat shock protein 90 (HSP90) is involved in the folding of proteins such as signal transduction molecules (Src, Ra...
متن کاملearly plasma - cell differentiation and c - myc activation
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متن کاملThere is no correlation between c-Myc mRNA expression and telomerase activity in human breast cancer
BACKGROUND: Telomerase is a ribonucleoprotein enzyme that synthesises telomeres after cell division and maintains chromosomal length and stability thus leading to cellular immortalisation. The hTERT (human telomerase reverse transcriptase) subunit seems to be the rate-limiting determinant of telomerase and knowledge of factors controlling hTERT transcription may be useful in therapeutic strateg...
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ژورنال
عنوان ژورنال: Cell Cycle
سال: 2009
ISSN: 1538-4101,1551-4005
DOI: 10.4161/cc.8.19.9966