A comprehensive review of cycloastragenol: Biological activity, mechanism of action and structural modifications
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY REPORTS(2022)
摘要
Cycloastragenol (CAG) is a sapogenin of Astragaloside IV (AG-IV), isolated from the dried roots of legumes Astragalus mongolica or Astragalus membranaceus. Cycloastragenol has a steroidal skeleton of tetracyclic triterpene and possess diverse pharmacological activities such as anti-aging, anti-inflammatory, anti-fibrosis, pro-wound healing, liver protection and endothelial protection. In addition, cycloastragenol is the only telomerase activator reported in natural products, which is closely related to MAPK and PI3K/Akt signaling pathways. This review provides a theoretical basis for the development of cycloastragenol into the candidate for the treatment of multi -factorial diseases in clinic, focusing on the extensively biological activities as well as the mechanism of action and structural modification and aiming to attract researchers to conduct in-depth studies on cycloastragenol. Mean-while, the pharmacokinetics and toxicology studies of CAG are also described for further druggability exploration to provides valuable reference.
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关键词
Cycloastragenol,Tetracyclic triterpene,Biological activity,Telomerase activator,Mechanism of action,Structural modification
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