期刊
BIOMEDICINE & PHARMACOTHERAPY
卷 139, 期 -, 页码 -出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2021.111630
关键词
Nanoparticles conjugation with ginsenoside Rb3 (NpRb3); Myocardial fibrosis; Energy metabolism; Perixisome proliferation-activated receptor alpha (PPAR alpha); Transforming growth factor beta 1 (TGF-beta 1); Oral bioavailability enhancement
资金
- Science and Technology Planning project of Tianjin, China [19YFZCSY00170]
- Science and Technology project of Tianjin, China [18ZXXYSY00080]
- National Key Research and Development Program of China [2020YFA0907903]
The study demonstrated that nanoparticles conjugated with ginsenoside Rb3 (NpRb3) can directly impact the remodeling of myocardial energy metabolism and improve myocardial fibrosis by regulating the PPAR alpha pathway. The findings suggest that NpRb3 could serve as a potential drug carrier for the treatment of myocardial fibrosis.
Background: Cardiac fibrosis occurs in ischemic and non-ischemic heart failure, hereditary cardiomyopathy, diabetes and aging. Energy metabolism, which serves a crucial function in the course and treatment of cardiovascular diseases, might have therapeutic benefits for myocardial fibrosis. Ginsenoside Rb3 (G-Rb3) is one of the main components of Ginseng and exhibits poor oral bioavailability but still exerts regulate energy metabolism effects in some diseases. Therefore, the study investigated the effect of chitosan (CS) @ sodium tripolyphosphate (TPP) nanoparticles conjugation with ginsenoside Rb3 (NpRb3) on myocardial fibrosis and studied its possible mechanisms. The results showed that NpRb3 directly participates in the remodeling of myocardial energy metabolism and the regulation of perixisome proliferation-activated receptor alpha (PPAR alpha), thereby improving the degree of myocardial fibrosis. The study also verifies the protective effect of NpRb3 on energy metabolism and mitochondrial function by targeting the PPAR alpha pathway. Therefore, the prepared nanodrug carrier may be a potential solution for the delivery of G-Rb3, which is a promising platform for oral treatment of myocardial fibrosis.
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