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Published on: May 6, 2022
Evaluation of antioxidant efficacy of vanadium-3-hydroxyflavone complex in streptozotocin-diabetic rats
Subramanian Iyyam Pillai1, Sorimuthu Pillai Subramanian, Muthusamy Kandaswamy
1Department of Inorganic Chemistry, School of Chemical Science, University of Madras, Guindy Campus, Chennai 600 025, India.
Abstract:
Since 1985, when Heyliger et al., first demonstrated that oral administration of sodium orthovanadate (0.8mg/ml) to STZ induced diabetic rats resulted in normoglycemia, numerous extensive studies have been reported on the antidiabetic actions of vanadium. The acceptance of vanadium compounds as promising therapeutic antidiabetic drugs has been slowed due to the concern for chronic toxicity associated with vanadium accumulation. In order to circumvent the toxic effects of vanadium, a combinational approach wherein a novel V3HF complex was synthesized, characterized and its toxic as well as antidiabetic potential were evaluated in STZ diabetic rats. Experimental and clinical studies suggest that hyperglycemia-induced oxidative stress primarily contributes to the pathogenesis and progression of both primary as well as secondary complications of diabetes. It is possible to reduce the risks caused by excessive generation of free radicals by either enhancing the body's natural antioxidant defenses or by supplementing with proven antioxidants. The present study was aimed to study the role of V3HF complex on hyperglycemia mediated oxidative stress in STZ-diabetic rats and the results indicate that the complex improves pancreatic beta cell function. Histological and ultrastructural studies also evidenced that the complex protect the beta cells from hyperglycemia-induced oxidative stress.
Insights
A novel vanadium complex (V3HF) combats diabetes by improving pancreatic beta cell function and reducing oxidative stress in diabetic rats. This approach aims to mitigate vanadium toxicity while enhancing its therapeutic potential for diabetes management.
Area of Science:
- Biochemistry
- Pharmacology
- Toxicology
Background:
- Vanadium compounds show antidiabetic potential, but toxicity concerns limit their use.
- Hyperglycemia-induced oxidative stress is a key factor in diabetes complications.
- Novel vanadium complexes are needed to improve efficacy and reduce toxicity.
Purpose of the Study:
- To synthesize and characterize a novel vanadium complex (V3HF).
- To evaluate the antidiabetic and toxicological potential of V3HF in streptozotocin (STZ)-induced diabetic rats.
- To investigate the effect of V3HF on hyperglycemia-mediated oxidative stress and pancreatic beta cell function.
Main Methods:
- Synthesis and characterization of the V3HF complex.
- Induction of diabetes in rats using streptozotocin (STZ).
- Administration of V3HF to diabetic rats and assessment of glycemic control, oxidative stress markers, and pancreatic beta cell function via histological and ultrastructural studies.
Main Results:
- The V3HF complex demonstrated antidiabetic effects in STZ-diabetic rats.
- V3HF treatment improved pancreatic beta cell function.
- Histological and ultrastructural analyses confirmed that V3HF protects beta cells from hyperglycemia-induced oxidative stress.
Conclusions:
- The novel V3HF complex shows promise as an antidiabetic agent with a reduced toxicity profile.
- V3HF effectively mitigates hyperglycemia-mediated oxidative stress, preserving pancreatic beta cell integrity.
- This vanadium complex warrants further investigation for its therapeutic application in managing diabetes.
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