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- Title
Radioprotective Effect of Whey Hydrolysate Peptides against γ-Radiation-Induced Oxidative Stress in BALB/c Mice.
- Authors
Liu, Xin-Ran; Zhu, Na; Hao, Yun-Tao; Yu, Xiao-Chen; Li, Zhen; Mao, Rui-Xue; Liu, Rui; Kang, Jia-Wei; Hu, Jia-Ni; Li, Yong; Lammi, Carmen
- Abstract
Radiation therapy is widely used in the treatment of tumor diseases, but it can also cause serious damage to the body, so it is necessary to find effective nutritional supplements. The main purpose of this study is to evaluate the protective effect of whey hydrolysate peptides (WHPs) against 60Coγ radiation damage in mice and explore the mechanism. BALB/c mice were given WHPs by oral gavage administration for 14 days. Then, some mice underwent a 30-day survival test after 8 Gy radiation, and other mice received 3.5 Gy radiation to analyze the changes in body weight, hematology and bone marrow DNA after three and 14 days. In addition, through further analysis of the level of oxidative stress and intestinal barrier function, the possible mechanism of the radioprotective effect of WHPs was explored. The study found WHPs can prolong survival time, restore body weight, and increase the number of peripheral blood white blood cells and bone marrow DNA content in irradiated mice. In addition, WHPs can significantly improve the antioxidant capacity, inhibit pro-inflammatory cytokines and protect the intestinal barrier. These results indicate that WHPs have a certain radioprotective effect in mice, and the main mechanism is related to reducing oxidative damage.
- Subjects
CYTOKINES; BODY weight; DNA; ANIMAL experimentation; ORAL drug administration; LEUCOCYTES; ANTIOXIDANTS; OXIDATIVE stress; RADIATION doses; SURVIVAL analysis (Biometry); WHEY proteins; RADIATION injuries; BONE marrow; TUMORS; PEPTIDES; MICE
- Publication
Nutrients, 2021, Vol 13, Issue 3, p816
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu13030816