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Zinc and the diabetic heart
Ye Song1, Jianxun Wang, Xiao-kun Li
1Department of Medicine, University of Louisville, 511 South Floyd Street, MDR 533, KY 40202, USA.
Summary
Zinc supplementation may prevent diabetic cardiomyopathy by combating oxidative stress and improving insulin function. This essential mineral
Area of Science:
- Biochemistry
- Cardiology
- Endocrinology
Background:
- Diabetic cardiomyopathy is primarily caused by oxidative stress.
- Diabetes mellitus often leads to zinc (Zn) deficiency, increasing cardiac susceptibility to oxidative damage.
- Zinc is crucial for cellular functions and possesses antioxidant properties.
Purpose of the Study:
- To review evidence for the preventive role of zinc supplementation in diabetes-induced heart injury.
- To explore potential mechanisms of zinc's cardioprotective effects in diabetes.
- To discuss the future clinical application of zinc supplementation for diabetic cardiomyopathy.
Main Methods:
- Review of existing studies on zinc supplementation and diabetic heart disease in animal and in vitro models.
- Discussion of proposed mechanisms including antioxidant action, insulin function, and metallothionein induction.
Main Results:
- Preliminary evidence suggests zinc supplementation can prevent or mitigate diabetes-induced cardiac injury.
- Zinc's antioxidant action and potential to improve insulin function are key protective mechanisms.
- Zn deficiency exacerbates cardiac oxidative damage in diabetic conditions.
Conclusions:
- Zinc supplementation presents a promising strategy for preventing or delaying diabetic cardiomyopathy.
- Further clinical research is needed to address specific issues before widespread application.
- The established clinical use of zinc for other conditions supports its potential for diabetic complications.