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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Genes+Dev
2015 ; 29
(21
): 2219-24
Nephropedia Template TP
gab.com Text
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English Wikipedia
Mutation of the TERT promoter, switch to active chromatin, and monoallelic TERT
expression in multiple cancers
#MMPMID26515115
Stern JL
; Theodorescu D
; Vogelstein B
; Papadopoulos N
; Cech TR
Genes Dev
2015[Nov]; 29
(21
): 2219-24
PMID26515115
show ga
Somatic mutations in the promoter of the gene for telomerase reverse
transcriptase (TERT) are the most common noncoding mutations in cancer. They are
thought to activate telomerase, contributing to proliferative immortality, but
the molecular events driving TERT activation are largely unknown. We observed in
multiple cancer cell lines that mutant TERT promoters exhibit the H3K4me2/3 mark
of active chromatin and recruit the GABPA/B1 transcription factor, while the
wild-type allele retains the H3K27me3 mark of epigenetic silencing; only the
mutant promoters are transcriptionally active. These results suggest how a
single-base-pair mutation can cause a dramatic epigenetic switch and monoallelic
expression.
|*Gene Expression Regulation, Neoplastic
[MESH]
|Cell Line, Tumor
[MESH]
|Chromatin/genetics/*metabolism
[MESH]
|Epigenesis, Genetic/genetics
[MESH]
|GA-Binding Protein Transcription Factor/genetics/metabolism
[MESH]