Women's Health Weekly
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Breast Cancer
Research from Harvard University has provided new information about breast cancer
April 30th, 2009
"Overexpression of HER-2/Neu occurs in about 25-30% of breast cancer patients and is indicative of poor prognosis. While Her2/Neu overexpression is primarily a result of erbB2 amplification, it has recently been recognized that erbB2 levels are also regulated on the protein level," researchers in the United States report. "However, factors that regulate Her2/Neu protein stability are less well understood. The prolyl isomerase Pin1 catalyzes the isomerization of specific pSer/Thr-Pro motifs that have been phosphorylated in response to mitogenic signaling. We have previously reported that Pin1-catalyzed post-phosphorylational modification of signal transduction modulates...
Source: Women's Health Weekly (2009-04-30)
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