Resveratrol treatment produces elongation of BPAEC. Panel A. Example of stellar, cobblestone-like morphology characteristic of normal BPAECs grown in culture. Panel B. Example of elongated, spindle-shaped morphology characteristic of resveratrol-treated cells. Here cells were treated with 100 μM resveratrol and were viewed with 20X objective. Six experiments, each involving a different preparation of BPAEC, were performed with similar results.