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Protective effect of Stevia on diabetic induced testicular damage: an immunohistochemical and ultrastructural study
M Elshafey1, O S Erfan, E Risha
1Physiological Sciences Department, Fakeeh College for Medical Sciences, Jeddah, Saudi Arabia. msharbini@um.edu.sa.
Objective:
Diabetes mellitus (DM) has been considered a major problem because of its related complications and growing incidence worldwide. Testicular dysfunction has become a predominant diabetic complication characterized by impaired reproductive function and testicular damage. Stevia rebaudiana Bertoni has been known for its antioxidant effect on diabetes, inflammation, and obesity. The current study investigates the protective effect of Stevia on diabetic-induced testicular injury.
Materials And Methods:
Sprague Dawley adult male rats were divided into three groups: the control group, the diabetic group, and the diabetic + Stevia group, type 2 diabetes is induced by a high-fat diet (HFD) and a single dose of 35 mg/kg streptozotocin injection. The effects of Stevia were evaluated regarding biochemical, oxidative stress, histopathological and ultrastructural changes, and immunohistochemical expression of vascular endothelial growth factor (VEGF), vascular cell adhesion molecule-1 (VCAM-1), receptor-interacting serine/threonine-protein kinase 1 (RIPK 1), and caspase 3.
Results:
Stevia extract attenuated the diabetic-induced oxidative stress, restored the testicular architecture, and decreased testicular damage, inflammation, necroptosis, and apoptosis by upregulating VEGF and downregulating VCAM 1, RIPK 1, and caspase 3.
Conclusions:
The current study highlights the importance of Stevia as an antioxidant anti-inflammatory that ameliorates diabetic-induced testicular injury by modulating oxidative stress, inflammation, necroptosis, and apoptosis.
