Related Experiment Video
Updated: May 10, 2026

Isolation of Human Umbilical Vein Endothelial Cells and Their Use in the Study of Neutrophil Transmigration Under Flow Conditions
Published on: August 8, 2012
Vitronectin improves cell survival after radiation injury in human umbilical vein endothelial cells
Masaharu Hazawa1, Takeshi Yasuda, Katsuko Noshiro
1Research Center for Radiation Emergency Medicine, National Institute of Radiological Science, 4-9-1 Anagawa, Inage, Chiba 263-8555, Japan.
Abstract:
Vitronectin (VN) is a multi-functional protein involved in extracellular matrix (ECM)-cell binding through integrin receptors on the cell surface, which is an important environmental process for maintaining biological homeostasis. We investigated how VN affects the survival of endothelial cells after radiation damage. VN attenuated radiation-induced expression of p21, an inhibitor of cell cycle progression, and selectively inhibited Erk- and p38 MAPK-dependent p21 induction after radiation exposure through regulation of the activity of GSK-3β. VN also reduced the cleavage of caspase-3, thereby inhibiting radiation-induced apoptotic cell death. These results suggest that VN has important roles in cell survival after radiation damage.
Related Concept Videos
Biological Effects of Radiation
Cancer Therapies
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
Regulation of Angiogenesis and Blood Supply

