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Abstract Title:

NK3 andNK49 Alleviate Bacterial Vaginosis and Osteoporosis in Mice by Suppressing NF-B-Linked TNF-Expression.

Abstract Source:

J Med Food. 2019 Oct ;22(10):1022-1031. Epub 2019 Aug 5. PMID: 31381476

Abstract Author(s):

Da-Eun Kim, Jeon-Kyung Kim, Sang-Kap Han, Se-Eun Jang, Myung Joo Han, Dong-Hyun Kim

Article Affiliation:

Da-Eun Kim

Abstract:

Excessive expression of TNF-worsens bacterial vaginosis (BV) and osteoporosis. Therefore, to understand whether probiotics could alleviate vaginosis and osteoporosis, we isolated anti-inflammatoryNK3 andNK49 from kimchi and human fecal lactic acid bacteria collection and examined their effects on(GV)-induced vaginosis and ovariectomy-induced osteoporosis in female mice. Oral gavage of NK3 and/or NK49 significantly alleviated GV-induced vaginosis; these inhibited NF-B activation and TNF-expression in the vagina and uterus, and decreased the GV population in the vagina. Furthermore, treatment with NK3 and/or NK49 alleviated ovariectomy-induced osteoporosis and obesity; these increased blood calcium, phosphorus, and osteocalcin levels and suppressed body weight. GV-induced vaginosis and ovariectomy increased colonic myeloperoxidase activity, TNF-expression, and fecal Proteobacteria population. NK3 and/or NK49 treatments reduced TNF-expression and NF-B activation in the colon. NK3 and NK49 treatment also restored GV- or ovariectomy-disrupted gut microbiota composition. In conclusion, NK3 and NK49 may simultaneously alleviate BV and osteoporosis by suppressing NF-B-linked TNF-expression through the regulation of gut microbiota population.

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