Immune-enhancing efficacy of Curtobacterium proimmune K3 lysates isolated from Panax ginseng beverages in cyclophosphamide-induced immunosuppressed mice
2022
Xing Yue Xu | Sanjeevram Dhandapani | Xiao Jie Mi | Hye-Ryung Park | Yeon-Ju Kim
In this study, the effects of Curtobacterium proimmune K3 lysates, isolated from Panax ginseng beverages, on splenocytes and cyclophosphamide (CTX)-induced immunosuppressed mice were investigated. Treatment with C. proimmune K3 lysates stimulated splenocyte proliferation and increased cytokine secretion in vitro and splenocytes ex vivo. Treatment with C. proimmune K3 lysates alleviated CTX-induced immunosuppression by modulating innate immunity in vivo, by recovering immune organ index and natural killer cell cytotoxicity, as well as by stimulating the adaptive immune system, via restoration of splenic lymphocyte proliferation, delayed-type hypersensitivity response, and IgG and IgA content. Moreover, C. proimmune K3 lysates treatment remarkably enhanced cytokine production in the spleen and thymus, compared with CTX-immunosuppressed mice. Our results suggest C. proimmune K3 lysates hold potential as a novel immunomodulatory agent for use in therapeutic purposes or as an ingredient in functional foods.
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