Article Publish Status: FREE
Abstract Title:

Effects of Lycium barbarum Polysaccharides on Apoptosis, Cellular Adhesion, and Oxidative Damage in Bone Marrow Mononuclear Cells of Mice Exposed to Ionizing Radiation Injury.

Abstract Source:

Biomed Res Int. 2016 ;2016:4147879. Epub 2016 May 26. PMID: 27314019

Abstract Author(s):

Jing Zhou, Hua Pang, Wenbo Li, Qiong Liu, Lu Xu, Qian Liu, Ying Liu

Article Affiliation:

Jing Zhou


Lycium barbarum has been used for more than 2500 years as a traditional herb and food in China. We investigated the effects of Lycium barbarum polysaccharides (LBP) on apoptosis, oxidative damage, and expression of adhesion molecules in bone marrow mononuclear cells (BMNC) of mice injured by ionizing radiation. Kunming mice were exposed to X-rays; then mice in the LBP groups were continuously injected with various concentrations of LBP intraperitoneally for 14 days. Mice in the control group were continuously injected with normal saline (NS) by the same route for 14 days. A normal group was set up. After 1, 7, and 14 days of treatment, mice were killed and BMNC were extracted. Cell cycle, apoptosis, and the expression of adhesion molecules CD44 and CD49d were detected by flow cytometry. The levels of malondialdehyde (MDA) and superoxide dismutase (SOD) were identified by colorimetric analyses. LBP significantly decreased the percentage of G0/G1 phase, apoptosis, MDA level, and expression of CD44 and CD49d and distinctly increased the activity of SOD. LBP showed a protective effect on BMNC against ionizing radiation-induced apoptosis and oxidative damage and altered the expression of adhesion molecule.

Study Type : Animal Study

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