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Hwang, Jin-Hyeon; Park, Yu-Seong; Kim, Hyuk-Soon; Kim, Dong-ha; Lee, Sang-Hoon; Lee, Chan-Hyeong; Lee, Seung-Hoon; Kim, Jung-Eun; Lee, Sangkyu; Kim, Ho Min; Kim, Hyun-Woo; Kim, Jihoon; Seo, Wonhyo; Kwon, Hyo-Jung; Song, Byoung-Joon; Kim, Do-Kyun; Baek, Moon-Chang; Cho, Young-Eun
Journal of controlled release, March 2023, 2023-03-00, 20230301, Letnik: 355Journal Article
Plants-releasing exosome-like nanovesicles (PENs) contain miRNA, bioactive lipids, mRNAs, and proteins to exert antioxidant, anti-inflammatory, and regenerative activity. Substances extracted from yams have been reported to promote osteoblast growth in bone regeneration, which prevent weak and brittle bones in osteoporosis. Herein, we describe the beneficial effects of yam-derived exosome-like nanovesicles (YNVs) on promoting differentiation and mineralization of osteoblasts for bone regeneration in ovariectomized (OVX)-induced osteoporotic mice. YNVs were successfully isolated and characterized. YNVs stimulate the proliferation, differentiation, and mineralization of osteoblasts with increased bone differentiation markers (OPN, ALP, and COLI). Interestingly, YNVs do not contain saponins including diosgenin and dioscin known to mainly exert osteogenic activity of yams. Instead, the osteogenic activity of YNVs was revealed to be resulted from activation of the BMP-2/p-p38-dependent Runx2 pathway. As a result, YNVs promote longitudinal bone growth and mineral density of the tibia in the OVX-induced osteoporotic mice in vivo, and these results positively correlate the significant increases in osteoblast-related parameters. In addition, the orally administered YNVs were transported through the GI tract and absorbed through the small intestine. These results showed an excellent systemic biosafety determined by histological analysis and liver/kidney toxicity tests. Taken together, YNVs can serve as a safe and orally effective agent in the treatment of osteoporosis. Display omitted •Isolation of PENs to prepare YNVs containing RNAs, proteins, and lipids is optimized.•Yam-derived exosome-like nanovesicles (YNVs) to promote differentiation and mineralization of osteoblasts•YNVs-mediated osteogenic differentiation is related to mechanism of BMP-2/p-p38-dependent Runx2 pathway.•YNVs promote longitudinal bone growth in the OVX-induced osteoporotic mice.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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in: SICRIS
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