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Background: Diabetic cardiomyopathy (DCM) poses a significant risk for heart failure in individuals with diabetes, yet its underlying mechanisms remain incompletely understood. Elevated blood sugar levels initiate harmful processes, including apoptosis, collagen accumulation, and fibrosis in the heart. Vinpocetine, a derivative of Vinca minor L., has demonstrated diverse pharmacological effects, including vasodilation, anti-inflammatory properties, and enhanced cellular metabolism. This study aims to investigate Vinpocetine's protective and remodeling effects in diabetic cardiomyopathy by evaluating biochemical and histopathological parameters. Methods: Twenty-one adult male Wistar rats were induced with diabetes using streptozocin and divided into Diabetes and Diabetes + Vinpocetine groups. Histopathological analyses, TGF-β1 immunoexpression, and measurements of plasma markers (TGF-β, pro-BNP, Troponin T) were performed. Biochemical analyses included HIF-1 alpha and neuregulin-1β quantification and evaluation of lipid peroxidation. Results: Vinpocetine significantly reduced cardiac muscle thickness, TGF-β1 expression, and plasma in diabetic rats. HIF-1 alpha and neuregulin-1β levels increased with Vinpocetine treatment. Histopathological observations confirmed reduced fibrosis and structural abnormalities in Vinpocetine-treated hearts. Conclusions: This study provides comprehensive evidence supporting the protective effects of Vinpocetine against diabetic cardiomyopathy. Vinpocetine treatment improved cardiac morphology, immunohistochemistry, and modulation of biochemical markers, suggesting its potential as a therapeutic intervention to attenuate the negative impact of diabetes on heart function.
Erciyes et al. (Thu,) studied this question.
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