For Cancer Cells, Genetics Alone Is Poor Indicator For Drug Response
Tuesday, April 14, 2009 - 09:28
in Health & Medicine
Researchers have discovered that the genetic identity of a tumor cell is an incomplete predictor for how it will respond to certain treatments. In the case of one particular new and highly touted cancer treatment, genetically identical cancer cells responded differently. These variations resulted from random cell-to-cell differences, such as how many protein copies each cell had at the time of treatment. What's more, these non-genetic characteristics were passed on to subsequent generations of cells, establishing a transient heritability.