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논문 기본 정보

자료유형
학술저널
저자정보
Lee Dong-Yun (Neurobiota Research Center, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea) Shin Jung-Woo (Neurobiota Research Center, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea) Shin Yoon-Jung (Neurobiota Research Center, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea) Han Seung-Won (PB Department, NVP Healthcare, Inc., Suwon 16209, Republic of Korea) Kim Dong Hyun (Neurobiota Research Center, College of Pharmacy, Kyung Hee University, Seoul 02447, Republic of Korea)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology Vol.34 No.1
발행연도
2024.1
수록면
149 - 156 (8page)
DOI
10.4014/jmb.2310.10006

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초록· 키워드

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In a preliminary study, live biotherapeutic products (LBPs) Lactobacillus plantarum LC27 and Bifidobacterium longum LC67 inhibited the secretion of alanine transaminase (ALT) and aspartate transaminase (AST) in LPS-stimulated HepG2 cells, while Escherichia coli K1 (Ec) increased ALT and ALT secretion. Therefore, we examined the effects of LC27 and LC67 on LPS-induced liver injury and fibrosis in mice and the correlation between their biomarkers in cell and animal experiments. Orally administered LC27 or LC67 significantly decreased blood ALT, AST, γ-glutamyl transferase (γGTP), TNF-α, triglyceride (TG), total cholesterol (TCh), total bile acid, and LPS levels, liver TNF-α, toll-like receptor-4 gene (Tlr4), α-smooth muscle actin (αSMA), and collagen-1 expression and αSMA+ GFAP+ and NF-κB+ F4/80+ cell populations, and colonic Tlr4, TNF-α, and IL-6 expression and NF-κB-positive cell population in LPS-treated mice. Furthermore, they increased AMPKa phosphorylation in the liver and colon. However, Ec increased the expression of TNF-α and IL-6 in blood, liver, and colon. The suppression of LPS-stimulated ALT and AST secretion in HepG2 cells by LBPs was positively correlated with their ameliorating effects on LPS-induced blood γGTP, ALT, and AST levels and liver αSMA and collagen-1 expression in mice. Based on these findings, LC27 and LC67 may improve liver injury and fibrosis by regulating NF-κB and AMPK signaling pathway and a protocol that can assay the inhibitory activity of LBPs on LPS-induced ALT and AST secretion in HepG2 may be useful for guessing their antihepatitic effects in the in vivo experiments.

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