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- Title
Astemizole protects against human umbilical vein endothelial cell injury induced by hydrogen peroxide via the p53 signaling pathway.
- Authors
JIA‑NAN TIAN; XIAO‑DONG SHI; XIAO‑KUN WANG; SHUANG WANG; JING‑XUE XU; CHUN‑XIAO YANG
- Abstract
Astemizole has gained attention as an antineoplastic drug that targets important ion channels. The present study aimed to investigate the protective effects of astemizole against hydrogen peroxide (H2O2)‑induced oxidative damage to human umbilical vein endothelial cells (HUVECs). HUVECs were pretreated with astemizole (0.5 and 1 μM) for 12 h, then exposed to H2O2 (200 μM) for 12 h. Cell viability was measured using the MTT assay. The levels of malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH‑Px), reactive oxygen species (ROS) and apoptotic percentage were determined. Additionally, the protein expression of p53, p21Cip1/Waf1and p16INK4a was measured by western blot analysis The results demonstrated that astemizole (0.5‑1 μM) was able to significantly restore the viability of HUVECs under oxidative stress and scavenge intracellular ROS induced by H2O2. Astemizole also suppressed the production of lipid peroxides, such as MDA, and restored the activities of endogenous antioxidants, including SOD and GSH‑Px, indicating that cell apoptosis may be inhibited. In addition, astemizole significantly increased p53, P21Cip1/Waf1 and p16INK4a protein expression. In conclusion, astemizole effectively protected endothelial cells against oxidative stress induced by H2O2, a function that may involve ROS/p53/p21Cip1/Waf1/ p16INK4a signaling pathways. The present study therefore served as a preliminary investigation into the ROS‑protective effects of astemizole, and may pave the way for future studies into the development of this compound as a novel therapy for atherosclerosis.
- Subjects
ASTEMIZOLE; UMBILICAL veins; ENDOTHELIAL cells; HYDROGEN peroxide; TUMOR proteins
- Publication
Molecular Medicine Reports, 2017, Vol 15, Issue 6, p4286
- ISSN
1791-2997
- Publication type
Article
- DOI
10.3892/mmr.2017.6497