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Gene Therapy

Research from Ruhr University broadens understanding of gene therapy

Published in Gene Therapy Weekly, November 13th, 2008

"Recently, we and others identified the microRNA miR-34a as a target of the tumor suppressor gene product p53. Ectopic miR-34a induces a G(1) cell cycle arrest, senescence and apoptosis," scientists in Bochum, Germany report.

"Here we report that miR-34a expression is silenced in several types of cancer due to aberrant CpG methylation of its promoter. 19 out of 24 (79.1%) primary prostate carcinomas displayed CpG methylation of the miR-34a promoter and concomitant loss of miR-34a expression. CpG methylation of the miR-34a promoter was also detected in breast (6/24; 25%), lung (7/24; 29.1%), colon (3/23; 13%), kidney (3/14; 21.4%), bladder (2/6; 33.3%) and pancreatic...

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