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Asian Journal of Biochemistry
Year: 2017  |  Volume: 12  |  Issue: 3  |  Page No.: 85 - 90

Effects of 7-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-chromen-4 -one from Swietenia macrophylla King Seed on Oxidized LDL, HOMA Beta and Glucagon like Peptide 1 (GLP-1) Gene Expression in Type 2 Diabetic Rats

Prasetyastuti, Sunarti, Ahmad Hamim Sadewa, Sri Mursiti and Mustofa    

Abstract: Background and Objective: Type 2 diabetes is characterized by hyperglycemia leads to increased production of reactive oxygen species. There is increasing evidence that active compounds of medicinal plants may be used to reduce oxidative stress. The aims of this study were to investigate anti-diabetic effects of 7-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-chromen-4-one derived from Swietenia macrophylla King seed on oxidized LDL, homeostatic model assessment beta-cell function (HOMA-β) and glucagon like peptide 1 (GLP-1) gene expression in diabetic rats. Materials and Methods: A total of 30 rats were used. They were divided into 6 groups as follows: (A) Normal rats, (B) Diabetic rats, (C) Diabetic rats with metformin, (D), (E) and (F) Diabetic rats with 7-Hydroxy-2-(4-hydroxy-3-methoxy-phenyl)-chromen-4-one Swietenia macrophylla King seed dose 10, 30 or 90 mg/200 g b.wt., respectively. Oxidized LDL and HOMA-β value were analyzed twice, before and after treatment. The GLP-1 gene expression in intestine was analyzed at the end of study. Data were analyzed by paired t-test and one-way ANOVA followed by Games-Howell test. Results: Administration of three different doses of 7-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-chromen-4-one from Swietenia macrophylla King seeds in diabetic rats significantly reduced oxidized LDL and increased HOMA-β value (p<0.001) and also GLP-1 gene expression (p<0.05). Conclusion: These findings demonstrate that administration of 7-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-chromen-4-one from Swietenia macrophylla King seeds, improved beta cell function through reducing oxidized LDL and increased GLP-1 expression.

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