Cancer Weekly
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Acute Lymphoblastic Leukemia
Studies from S. Nagel and co-researchers yield new data on acute lymphoblastic leukemia
March 10th, 2009
"The NK-like family of homeobox genes includes TLX1, TLX3 and NKX2-5, which are ectopically activated in distinct subsets of T-cell acute lymphoblastic leukemia (T-ALL) cells. Here we analysed their effect on the miR-17-92 cluster overexpressed in several types of cancer, including T-ALL," scientists in Braunschweig, Germany report. "The pri-miR-17-92 polycistron encodes micro-RNAs (miRNAs), which decrease E2F1 protein expression, regulating proliferation and/or apoptosis. Quantification of pri-miR-17-92 in T-ALL cell lines suggested an implication of the NK-like homeodomain proteins in transcriptional regulation. Lentiviral-mediated overexpression of NKX2-5 in the...
Source: Cancer Weekly (2009-03-10)
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