Women's Health Weekly
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Breast Cancer
Data on breast cancer published by researchers at Thomas Jefferson University
June 26th, 2008
"The evolutionarily conserved SWI-SNF chromatin remodeling complex regulates cellular proliferation. A catalytic subunit, BRG-1, is frequently down regulated, silenced or mutated in malignant cells, however, the mechanism by which BRG-1 may function as a tumor suppressor or block breast cancer cellular proliferation is not understood," scientists writing in the journal Cell Cycle report. "The cyclin D1 gene is a collaborative oncogene overexpressed in greater than 50% of human breast cancers. Herein, BRG-1 inhibited DNA synthesis and cyclin D1 expression in human MCF-7 breast cancer epithelial cells. The cyclin D1 promoter AP-1 and CRE sites were required for...
Source: Women's Health Weekly (2008-06-26)
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