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Abstract Title:

Alpha-lipoic acid and vitamin B complex slow down the changes in mice diabetic cardiomyopathy.

Abstract Source:

Rom J Morphol Embryol. 2020 Apr-Jun;61(2):521-528. PMID: 33544804

Abstract Author(s):

Georgică Costinel Târtea, Diana Ruxandra Florescu, Alexandru Radu Mihailovici, Ionuţ Donoiu, Octavian Istrătoaie

Article Affiliation:

Georgică Costinel Târtea

Abstract:

AIM: The aim of our study was to assess histologically and by cardiac ultrasound the effects of alpha-lipoic acid (ALA) and vitamin B complex, as pathogenic therapies, in diabetic cardiomyopathy (DCM) in mice.

MATERIALS AND METHODS: We performed an experimental animal study, in which we analyzed from a structural and functional point of view the changes produced in DCM. To produce DCM, we induced diabetes mellitus (DM) in C57BL∕6 mice by intraperitoneal injection of a single 150 mg∕kg body weight dose of streptozotocin (STZ). We formed a sham group (animals without DM), a control group (animals with DM but without treatment, DM_Control) and a group of animals with DM that were treated with ALA and vitamin B complex (DM_Treated).

RESULTS: At six weeks after STZ administration, there was no decrease in left ventricular ejection fraction (LVEF) in the sham group, while in the control group there was a significant decrease in LVEF, about 43.75±3.37%, compared to the group that received treatment with ALA and vitamin B complex, in which LVEF decreased to 49.6±5.02% (p=0.0432). Also, the degree of interstitial myocardial fibrosis was higher in animals with DM compared to animals without DM, but the applied therapeutic protocol considerably improved the accumulation of interstitial collagen. The same observation was maintained regarding the evaluation of polysaccharide deposits.

CONCLUSIONS: We can say that the administration of ALA and vitamin B complex in mice with STZ-induced DM, improves the degree of myocardial fibrosis, the accumulation of polysaccharides, and prevents severe deterioration of systolic and diastolic function of the heart.

Study Type : Animal Study

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