4.7 Article

New dammarane-type glycosides from Gynostemma pentaphyllum and their lipid-lowering activity

期刊

BIOORGANIC CHEMISTRY
卷 111, 期 -, 页码 -

出版社

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2021.104843

关键词

Gynostemma pentaphyllum; Lipid-lowering; Triterpenoid saponin; PCSK9

资金

  1. National Key Research and Development Project [2019YFC1711000]
  2. Scientific Research Innovation Program of Jiangsu Graduate [KYCX20_0676]
  3. Qing Lan Project of Jiangsu Higher Education Institutions
  4. Double Firstrate Discipline Innovation Team [CPU2018GF05, CPU2018GY31]

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Gynostemma pentaphyllum has a long history as a food and dietary supplement in China. Research has found that compounds from G. pentaphyllum can serve as PCSK9 inhibitors and play a role in the treatment of hyperlipidemia.
Gynostemma pentaphyllum (Thunb.) Makino has a long history as food and diary supplement in China. At present, there are some products for hyperlipidemia in the market, including G. pentaphyllum tea, healthy wine and healthy food. In order to discover proprotein convertase subtilisin/kexin type 9 (PCSK9) inhibitors, fourteen new triterpenoid saponins named gypenoside LXXXVIII-CI (1-14) along with six known compounds (15-20) were isolated from G. pentaphyllum. Their structures were elucidated by means of various spectroscopic techniques. Eight isolates were evaluated the inhibitory effect on PCSK9 in HepG2 cells. The results showed that three dammarane-type glycosides (2, 3, 15) remarkably reduced PCSK9 expression at 10 mu M concentration. These findings suggested that G. pentaphyllum was worthy of further investigation to find small molecule PCSK9 inhibitors and facilitate their utilization as functional food ingredients.

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