Journal
MEDICAL ONCOLOGY
Volume 40, Issue 1, Pages -Publisher
HUMANA PRESS INC
DOI: 10.1007/s12032-022-01936-0
Keywords
Glucosamine; Lymphocytes; Radiation; Micronuclei; Radioprotector
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Funding
- Ahvaz Jundishapur University of Medical Sciences (Iran) [U-97007]
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This study evaluated the radioprotective ability of glucosamine against radiation-induced genotoxicity and cytotoxicity in human lymphocytes. The results showed that glucosamine reduced the frequency of micronuclei and prevented lymphocyte apoptosis caused by radiation. Additionally, glucosamine reduced the production of reactive oxygen species in irradiated lymphocytes.
Glucosamine is widely prescribed as a dietary supplement used to treat arthritis. In this study, the radioprotective ability of glucosamine was evaluated against radiation-induced genotoxicity and cytotoxicity in human peripheral blood lymphocytes. Blood samples were collected from five healthy male donors and were divided into four groups. Isolated lymphocytes and blood samples were treated with 10 mu M of glucosamine for 2 h before exposure to 2 Gy radiation. The radioprotective potential of glucosamine was assessed by micronucleus assay, reactive oxygen species (ROS) level analysis, and flow cytometry. Irradiation significantly increased the micronuclei frequency as compared to the control group. Contrary to that pretreatment with glucosamine before irradiation significantly reduced the frequency of micronuclei. Furthermore, pretreatment with glucosamine significantly prevented the percentage of apoptotic lymphocytes. Also, glucosamine pretreatment significantly reduced the production of ROS in irradiated lymphocytes. This study shows glucosamine to be a potent radioprotector against radiation that induces DNA damage and apoptosis in human lymphocytes. Several additional in vivo and in vitro studies are needed before glucosamine can be considered as a radioprotective candidate in patients undergoing radiation therapy.
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