4.4 Article

Attenuating effects of Azanza garckeana fractions on glycemo-impaired-associated dyslipidemia, hepatopathy, and nephropathy

Journal

AMERICAN JOURNAL OF TRANSLATIONAL RESEARCH
Volume 15, Issue 10, Pages 5997-6014

Publisher

E-CENTURY PUBLISHING CORP

Keywords

Azanza garckeana; dyslipidemia; hepatopathy; nephropathy; biochemical parameters

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This study evaluated the ameliorative effects of Azanza garckeana on diabetes-induced dyslipidemia, hepatopathy, and nephropathy. The results showed that the crude extract of A. garckeana had a dose-dependent hypoglycemic effect and improved the weight and lipid profiles in diabetic rats. The ethyl acetate fraction of this plant exhibited remarkable protective effects against diabetes-induced complications. The characterization of the active fraction identified the presence of phenolic and flavonoid compounds that may be responsible for its bioactivity.
Objectives: The use of medicinal plants for diabetes treatment is increasing owing to their effectiveness and safety compared to synthetic drugs. Thus, the ameliorative effects of Azanza garckeana (F. Hoffm.) fractions in diabetes-induced dyslipidemia, hepatopathy, and nephropathy in rats were evaluated in this study. Methods: Rats with alloxan (120 mg/kg body weight (BW))-induced diabetes were randomized into different groups (n=5) and treated with the crude methanolic extract, and fractions (n-hexane, ethyl acetate, and aqueous fractions) of A. garckeana each at 100, 200, and 400 mg/kg BW. Glibenclamide (5 mg/kg BW) was used as a reference drug, and all treatments were administered orally daily for 6 weeks. Results: Our data revealed that treatment with the crude extract caused a dose-dependent hypoglycemic effect of 61.32 +/- 3.45%, 76.05 +/- 3.05%, and 78.59 +/- 5.90% at 100, 200, and 400 mg/kg BW, respectively and improved the BW of the animals. The extract also ameliorated the elevated cholesterol, triglyceride, low-density lipoprotein cholesterol, and increased serum levels of high-density lipoprotein cholesterol compared with untreated control animals. The extract also reversed serum biochemical alterations in aspartate aminotransferase, alanine aminotransferase, alkaline phosphatase, creatinine, total and direct bilirubin, urea, and uric acid that were observed in untreated diabetic rats. Interestingly, the A. garckeana fraction also exhibited significant protection against diabetes-induced dyslipidemia, hepatopathy, and nephropathy in rats, with the ethyl acetate fraction exhibiting a remarkable protective effect. The LC-MS characterisation of the active fraction identified the presence of various phenolic and flavonoid compounds that could be responsible for the bioactivity of the fraction. Conclusion: Collectively, this study suggests the potential application of A. garckeana for effective treatment of diabetic nephropathy, with the ethyl acetate fraction of this plant representing a reserve of potential candidates for developing new drugs.

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