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International Journal of Medicinal Mushrooms
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ISSN Druckformat: 1521-9437
ISSN Online: 1940-4344

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International Journal of Medicinal Mushrooms

DOI: 10.1615/IntJMedMushrooms.v18.i9.60
pages 821-831

Giant Oyster Mushroom Pleurotus giganteus (Agaricomycetes) Enhances Adipocyte Differentiation and Glucose Uptake via Activation of PPARγ and Glucose Transporters 1 and 4 in 3T3-L1 Cells

Puvaneswari Paravamsivam
Mushroom Research Centre (MRC), Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia; Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
Chua Kek Heng
Mushroom Research Centre, University of Malaya, Kuala Lumpur, Malaysia; Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
Sri Nurestri Abdul Malek
Mushroom Research Centre, Fungal Biotechnology Lab.; Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
Vikineswary Sabaratnam
Mushroom Research Centre, University of Malaya, Kuala Lumpur, Malaysia; Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
Ravishankar Ram M
Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
Umah Rani Kuppusamy
Mushroom Research Centre, University of Malaya, Kuala Lumpur, Malaysia; Department of Biomedical Science, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia

ABSTRAKT

The edible mushroom Pleurotus giganteus was tested for its effect on adipocyte differentiation and glucose uptake activity in 3T3-L1 cells. The basidiocarps of P. giganteus were soaked in methanol to obtain a crude methanol extract and then fractionated to obtain an ethyl acetate extract. In this study, cell proliferation was measured using an MTT assay, lipid accumulation using an Oil Red O assay, and glucose uptake using a fluorescence glucose uptake assay. Gene expression was measured via real-time polymerase chain reaction analysis with TaqMan primer. Ethyl acetate extract significantly enhanced adipogenic differentiation and glucose uptake in 3T3-L1 adipocytes via the expression of sterol regulatory element-binding protein, peroxisome proliferator-activated receptor γ, and phos-phatidylinositol 3-kinase/Akt. Glucose uptake was facilitated by the highly expressed glucose transporters Glut1 and Glut4. Taken together, these results suggest that P. giganteus ethyl acetate extract has an insulin-sensitizing effect on adipocytes and has potential as an adjuvant for the management of type 2 diabetes.


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