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BioMed Central
A new take on growth factor signaling in tamoxifen resistance
July 6th, 2009
Differences in growth factor (GF) signaling may cause the poor prognosis in some breast cancer cases. A new study, published in the open access journal BMC Medical Genomics, suggests that some estrogen receptor-positive breast cancers respond poorly to tamoxifen because of increased GF signaling. Sherene Loi, from the Peter MacCallum Cancer Centre, Melbourne, worked with a team of Australian and Belgian researchers to investigate the differences between those estrogen receptor positive (ER+) cancers that respond well to tamoxifen (luminal-A) and those that do not (luminal-B). She said, "This is the first study specifically investigating the biology of the luminal-B, ER+...
Source: Biotech Business Week (2009-07-06)
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