Differential effects of liraglutide naltrexone/bupropion, and caloric restriction on metabolic parameters and beta-cell regeneration in type 2 diabetic rat model: role of beta arrestin 1

IF 2.9 4区 生物学 Q3 CELL BIOLOGY
Dina H. Merzeban, Amani M. El Amin Ali, Reem O. Hammad, Mohamed H. Elmahdi, Marwa A. Sofi, Rania H. Mahmoud, Sayed M. Metwally, Ahmed M. El Ebiary
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引用次数: 0

Abstract

Traditional antidiabetic treatments often carry the risk of beta-cell exhaustion, highlighting the need for therapies that promote beta-cell regeneration. This study investigates the comparative effects of Liraglutide, naltrexone/bupropion (NTX + BUP), and caloric restriction on metabolic control and beta-cell regeneration in a rat model of obese type 2 diabetes. Fifty male albino rats were randomized into five groups: normal control, diabetic control, diabetic + caloric restriction (50%), diabetic + NTX + BUP (4 mg/45 mg /kg/day orally), and diabetic + liraglutide (0.3 mg/kg/day, S.C). Body weight, BMI, serum glucose, insulin, lipid profile, atherogenic indices, beta-arrestin-1 levels, pancreatic histopathology, and immunohistochemical staining for insulin and Ki67 were assessed. All interventions significantly improved body weight, BMI, glycemic control, lipid profiles (except HDL), and atherogenic indices compared to the diabetic control group. NTX + BUP and caloric restriction resulted in greater weight loss compared to liraglutide. Of note, liraglutide significantly decreased β-arrestin-1 levels compared to both NTX + BUP and caloric restriction. Furthermore, liraglutide and caloric restriction significantly increased anti-insulin antibodies and Ki67 indicating beta-cell regeneration, while NTX + BUP showed insignificant effects. Thus we can conclude that, while NTX + BUP demonstrates efficacy in improving metabolic parameters in obese type 2 diabetic rats, it shows limitations in promoting beta-cell regeneration compared to liraglutide and caloric restriction.

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来源期刊
Journal of Molecular Histology
Journal of Molecular Histology 生物-细胞生物学
CiteScore
5.90
自引率
0.00%
发文量
68
审稿时长
1 months
期刊介绍: The Journal of Molecular Histology publishes results of original research on the localization and expression of molecules in animal cells, tissues and organs. Coverage includes studies describing novel cellular or ultrastructural distributions of molecules which provide insight into biochemical or physiological function, development, histologic structure and disease processes. Major research themes of particular interest include: - Cell-Cell and Cell-Matrix Interactions; - Connective Tissues; - Development and Disease; - Neuroscience. Please note that the Journal of Molecular Histology does not consider manuscripts dealing with the application of immunological or other probes on non-standard laboratory animal models unless the results are clearly of significant and general biological importance. The Journal of Molecular Histology publishes full-length original research papers, review articles, short communications and letters to the editors. All manuscripts are typically reviewed by two independent referees. The Journal of Molecular Histology is a continuation of The Histochemical Journal.
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