Women's Health Weekly
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Gene Therapy
New gene therapy findings from University of Luxembourg published
May 21st, 2009
"The nuclear receptor vitamin D receptor (VDR) is known to associate with three vitamin D response element (VDREs)-containing regions within the CDKN1A (p21) gene region. Here we show in MDA-MB453 breast cancer cells that the natural VDR ligand 1 alpha,25-dihydroxyvitamin D-3 causes cyclical transcription factor binding and chromatin looping of distal VDREs to the transcription start site (TSS) of the p21 gene, leading to cyclical accumulation of the p21 mRNA," researchers in Luxembourg report. "At the chromatin level, association of the mediator protein MED1 precedes both the peaks of VDR binding to VDREs and phosphorylated RNA polymerase (p-Pol II) to the TSS. The...
Source: Women's Health Weekly (2009-05-21)
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