Publication: Antidiabetic activities of abutilon indicum (L.) sweet are mediated by enhancement of adipocyte differentiation and activation of the GLUT1 promoter
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Issued Date
2011-04-07
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ISSN
17414288
1741427X
1741427X
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2-s2.0-79953324777
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Mahidol University
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SCOPUS
Bibliographic Citation
Evidence-based Complementary and Alternative Medicine. Vol.2011, (2011)
Suggested Citation
Seung Joon Baek, Chutwadee Krisanapun, Seong Ho Lee, Penchom Peungvicha, Rungravi Temsiririrkkul Antidiabetic activities of abutilon indicum (L.) sweet are mediated by enhancement of adipocyte differentiation and activation of the GLUT1 promoter. Evidence-based Complementary and Alternative Medicine. Vol.2011, (2011). doi:10.1093/ecam/neq004 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/12544
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Title
Antidiabetic activities of abutilon indicum (L.) sweet are mediated by enhancement of adipocyte differentiation and activation of the GLUT1 promoter
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Abstract
Abutilon indicum (L.) Sweet is an Asian phytomedicine traditionally used to treat several disorders, including diabetes mellitus. However, molecular mechanisms supporting the antidiabetic effect of A. indicum L. remain unknown. The aim of this study was to evaluate whether extract of A. indicum L. improves insulin sensitivity. First, we observed the antidiabetic activity of aqueous extract of the entire plant (leaves, twigs and roots) of A. indicum L. on postprandial plasma glucose in diabetic rats. The subsequent experiments revealed that butanol fractions of the extract bind to PPAR and activate 3T3-L1 differentiation. To measure glucose uptake enhanced by insulin-like activity, we used rat diaphragm incubated with various concentrations of the crude extract and found that the extract enhances glucose consumption in the incubated solution. Our data also indicate that the crude extract and the fractions (water and butanol) did not affect the activity of kinases involved in Akt and GSK-3β pathways; however, the reporter assay showed that the crude extract could activate glucose transporter 1 (GLUT1) promoter activity. These results suggest that the extract from A. indicum L. may be beneficial for reducing insulin resistance through its potency in regulating adipocyte differentiation through PPARγ agonist activity, and increasing glucose utilization via GLUT1. Copyright © 2011 Chutwadee Krisanapun et al.