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Article Publish Status: FREE
Abstract Title:

Anti-Inflammatory, Antidiabetic Properties and In Silico Modeling of Cucurbitane-Type Triterpene Glycosides from Fruits of an Indian Cultivar ofL.

Abstract Source:

Molecules. 2021 Feb 16 ;26(4). Epub 2021 Feb 16. PMID: 33669312

Abstract Author(s):

Wilmer H Perera, Siddanagouda R Shivanagoudra, Jose L Pérez, Da Mi Kim, Yuxiang Sun, Guddadarangavvanahally K Jayaprakasha, Bhimanagouda S Patil

Article Affiliation:

Wilmer H Perera

Abstract:

Diabetes mellitus is a chronic disease and one of the fastest-growing health challenges of the last decades. Studies have shown that chronic low-grade inflammation and activation of the innate immune system are intimately involved in type 2 diabetes pathogenesis.L. fruits are used in traditional medicine to manage diabetes. Herein, we report the purification of a new 23--β-d-allopyranosyl-5β,19-epoxycucurbitane-6,24-diene triterpene (charantoside XV,) along with 25ξ-isopropenylchole-5(6)-ene-3--β-d-glucopyranoside (), karaviloside VI (), karaviloside VIII (), momordicoside L (), momordicoside A () and kuguaglycoside C () from an Indian cultivar of. At 50µM compounds,-differentially affected the expression of pro-inflammatory markers,, and, and mitochondrial marker. Compounds tested for the inhibition ofα-amylase and α-glucosidase enzymes at 0.87 mM and 1.33 mM, respectively. Compounds showed similar α-amylase inhibitory activity than acarbose (0.13 mM) of control (68.0-76.6%). Karaviloside VIII (56.5%) was the most active compound in the α-glucosidase assay, followed by karaviloside VI (40.3%), while momordicoside L (23.7%), A (33.5%), and charantoside XV (23.9%) were the least active compounds. To better understand the mode of binding of cucurbitane-triterpenes to these enzymes, in silico docking of the isolated compounds was evaluated with α-amylase and α-glucosidase.

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