In the present in vitro study, we tested the chemical composition, cytotoxicity and antidiabetic activity of two distinct extracts of wild Artichoke-like vegetable, Gundelia tournefortii: methanol and hexane. GC/MS phytochemical analysis of G. tournefortii methanol and hexane extracts revealed 39 compounds reported here for the first time in G. tournefortii out of the 45 detected compounds. Only Stigmasterol was present in both extracts. The efficacy of G. tournefortii extracts in enhancing glucose transporter 4 (GLUT4) translocation to the plasma membrane (PM) was tested in L6 muscle cells stably expressing myc-tagged GLUT4 (L6-GLUT4myc) using cell-ELISA test. Results obtained here indicate that methanol and hexane extracts were safe up to 250 μg/ml as measured with MTT and the LDH leakage assays. The methanol extract was the most efficient in GLUT4 translocation enhancement. It increased GLUT4 translocation at 63 μg/ml 1.5- and 2-fold relative to the control in the absence and presence of insulin, respectively. These findings indicate that G. tournefortii possesses antidiabetic activity in part by enhancing GLUT4 translocation to the PM in skeletal muscle.
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Πέμπτη 26 Απριλίου 2018
Gundelia tournefortii Antidiabetic Efficacy: Chemical Composition and GLUT4 Translocation
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Αλέξανδρος Γ. Σφακιανάκης Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,0030693260717...
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heory of COVID-19 pathogenesis Publication date: November 2020Source: Medical Hypotheses, Volume 144Author(s): Yuichiro J. Suzuki ScienceD...
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