image: Photograph of stem cell maps of molecular remodeling due to cell tension. Cytoskeleton in red, accessible molecular structures in blue, and overlay in pink. This image relates to an article that appeared in the Aug. 3, 2007, issue of the journal Science, published by AAAS. The study, by Dr. Colin Johnson and colleagues of the University of Pennsylvania in Philadelphia, Pa. was titled "Forced Unfolding of Proteins Within Cells." view more
Credit: Photo provided by <i>Science</i>-AAAS.