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3beta-taraxerol of Mangifera Indica, a PI3K Dependent Dual Activator of Glucose Transport and Glycogen Synthesis in 3T3-L1 Adipocytes

3beta-taraxerol of Mangifera Indica, a PI3K Dependent Dual Activator of Glucose Transport and Glycogen Synthesis in 3T3-L1 Adipocytes

Kadapakkam Nandabalan Sangeetha, Sundaresan Sujatha, Velusamy Shanmuganathan Muthusamy, Singaravel Anand, Nirmal Nithya, Devadasan Velmurugan, Arun Balakrishnan, Baddireddi Subhadra Lakshmi

Biochim Biophys Acta. 2010 Mar;1800(3):359-66.

PMID: 20026188

Abstract:

Background:
The present study focuses on identifying and developing an anti-diabetic molecule from plant sources that would effectively combat insulin resistance through proper channeling of glucose metabolism involving glucose transport and storage.
Methods:
Insulin-stimulated glucose uptake formed the basis for isolation of a bioactive molecule through column chromatography followed by its characterization using NMR and mass spectroscopic analysis. Mechanism of glucose transport and storage was evaluated based on the expression profiling of signaling molecules involved in the process.
Results:
The study reports (i) the isolation of a bioactive compound 3beta-taraxerol from the ethyl acetate extract (EAE) of the leaves of Mangifera indica (ii) the bioactive compound exhibited insulin-stimulated glucose uptake through translocation and activation of the glucose transporter (GLUT4) in an IRTK and PI3K dependent fashion. (iii) the fate of glucose following insulin-stimulated glucose uptake was ascertained through glycogen synthesis assay that involved the activation of PKB and suppression of GSK3beta.
General significance:
This study demonstrates the dual activity of 3beta-taraxerol and the ethyl acetate extract of Mangifera indica as a glucose transport activator and stimulator of glycogen synthesis. 3beta-taraxerol can be validated as a potent candidate for managing the hyperglycemic state.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP127220	3β-Taraxerol		127-22-0	Price

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