4.7 Article

Garcinia linii extracts exert the mediation of anti-diabetic molecular targets on anti-hyperglycemia

Journal

BIOMEDICINE & PHARMACOTHERAPY
Volume 134, Issue -, Pages -

Publisher

ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.biopha.2020.111151

Keywords

Garcinia linii; Alpha-glucosidase; Alpha-amylase; Hypoglycemia; Syringaldehyde; Diabetes

Funding

  1. Xiamen Medical College

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Extracts from different portions of Garcinia linii showed varying levels of flavonoids and total phenol, along with significant antioxidation and anti-diabetic activities. In silico docking studies suggested that components of G. linii may have potential to inhibit diabetic molecules more effectively than clinical drugs.
Different portions (stem GIS and leaf GIL) of Garcinia linii were extracted by ethanol/water and crude extracts were employed to investigate the contents of total phenol and flavonoids, antioxidation activities, and inhibitory activities of alpha-amylase and alpha-glucosidase via enzymatic assay and OGTT and OSTT for lowering glucose levels. The data revealed that GlS and GlL contained different levels of flavonoids and total phenol. Furthermore, the results showed the extracts exhibited remarkable antioxidation activities and inhibitory activities of alpha-amylase and alpha-glucosidase. In silico docking studies were done using Gold software and the probable molecules retrieved from PubChem were docked with several anti-diabetic relate targets, the results showed several components of G. linii could potentially inhibit diabetic molecules when compared with clinic drugs. The cell glucose uptake data also confirmed that GlL and GlS could retain the active component in the regulation of insulin, AMPK, PPAR gamma, and DPP4. In vivo, the evidence showed G. linii extracts including syringaldehyde suppressed effect of hyperglycemia on OSTT and OGTT assays. These results suggest that G. linii extract has a potential therapeutic value for the treatment of diabetes in humans.

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