期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 103, 期 -, 页码 1035-1042出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2018.04.132
关键词
Grifolic acid; Osteosarcoma; Mitochondria; Cell death
资金
- Shaanxi Province [2015KTCQ03-03]
- Xi'an Medical University [2015RCYJ02]
Grifolic acid is a natural compound isolated from the fungus Albatrellus confluens. In the present study, we assessed the effects of grifolic acid on human osteosarcoma cells. We found that grifolic acid dose-and time-dependently induced cell death in the U-2 OS, MG-63, Saos-2, and 143B human osteosarcoma cell lines. Grifolic acid decreased osteosarcoma cell mitochondrial membrane potential, ATP production, and cellular NADH levels, but did not impact mitochondrial membrane potential in isolated mitochondria from human osteosarcoma cells. Intratumoral injection of grifolic acid also promoted tumor cell death and prolonged survival in nude mice bearing human osteosarcoma xenografts. Grifolic acid had no obvious toxicity in mice, with no histological changes in liver, kidney, lung, or heart, and no changes in blood cell counts or levels of plasma total protein, alanine aminotransferase, or aspartate aminotransferase. These results show that grifolic acid induces osteosarcoma cell death by inhibiting NADH generation and ATP production without obvious toxicity. Intratumoral injection of grifolic acid may be a promising anti-osteosarcoma therapeutic option in patients.
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