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논문 기본 정보

자료유형
학술저널
저자정보
Ha Jun-Su (Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea) 이나경 (Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea) Paik Hyun-Dong (Department of Food Science and Biotechnology of Animal Resources, Konkuk University, Seoul 05029, Republic of Korea)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology Vol.34 No.4
발행연도
2024.4
수록면
902 - 910 (9page)
DOI
10.4014/jmb.2310.10050

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초록· 키워드

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The anti-cancer effects of heat-killed Enterococcus faecium KU22001 (KU22001), KU22002, and KU22005 isolated from human infant feces were investigated. The anti-proliferative activity of these strains against various cancer cell lines was evaluated using the MTT assay. To determine the production of exopolysaccharides (EPS) with potential anti-cancer effect, ethanol precipitation and phenol-sulfuric acid method was used with the cell free supernatant of strains grown at 25o C or 37o C. The EPS yield of E. faecium strains was higher at 25o C than at 37o C. Among these E. faecium strains, KU22001 grown at 25o C was associated with the highest bax/bcl-2 ratio, effective apoptosis rate, cell cycle arrest in the G0/G1 phase, and condensation of the nucleus in the cervical cancer HeLa cell line. In conclusion, these results suggest that KU22001 can be beneficial owing to the anti-cancer effects and production of functional materials, such as EPS.

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