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Sleeve Gastrectomy Effect on Structural and Functional Myocardium Characteristics and Trpc3, Trpc6, Tgfb1, and Atp2a2
V I Pan1, O V Kornyushin1, T A Lelyavina2
1Almazov National Medical Research Centre, Ministry of Health of the Russian Federation, St. Petersburg, Russia.
Bulletin of Experimental Biology and Medicine
|July 29, 2026
Summary
Sleeve gastrectomy improved heart structure and function in rats after myocardial infarction. This surgery reduced gene expression linked to heart damage, mitigating adverse cardiac remodeling.
Area of Science:
- Cardiovascular Science
- Surgical Innovation
- Molecular Cardiology
Background:
- Myocardial infarction (MI) leads to adverse cardiac remodeling, affecting heart structure and function.
- Congestive heart failure (CHF) post-MI presents significant clinical challenges.
- Understanding molecular pathways like Trpc6 and Tgfb1 is crucial for therapeutic development.
Purpose of the Study:
- To investigate the impact of sleeve gastrectomy on left ventricular myocardium in rats.
- To assess the effects of sleeve gastrectomy in normal weight and post-MI CHF rat models.
- To determine if sleeve gastrectomy influences key genes involved in post-infarction cardiac remodeling.
Main Methods:
- Sleeve gastrectomy was performed on rat models.
- Cardiac structure and function were evaluated post-surgery.
- Myocardial gene expression of Trpc6 and Tgfb1 was analyzed.
Main Results:
- Sleeve gastrectomy demonstrated positive effects on left ventricular myocardial structure and function.
- The procedure attenuated upregulated myocardial expression of Trpc6 and Tgfb1 genes.
- These changes were observed in both normal weight and post-infarction CHF rats.
Conclusions:
- Sleeve gastrectomy offers a potential therapeutic strategy for mitigating adverse cardiac remodeling post-MI.
- The surgery's benefits may stem from downregulating specific genes involved in MI pathogenesis.
- Further research is warranted to explore sleeve gastrectomy's clinical applicability in cardiovascular disease.
