The Exosomes Derived From Bone Marrow Mesenchymal Stem Cells Alleviate Inflammatory Injury in Heart Failure Disease by Enhancing the Expression of KLF4

IF 3.1 4区 医学 Q3 IMMUNOLOGY
Yutong Han, Yang Bi, Donghai Zhang, Yubao Liu
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引用次数: 0

Abstract

Objective

The aim of this study is to investigate the impact and mechanism of action of exosomes derived from bone marrow mesenchymal stem cells (BMSCs) in the treatment of heart failure (HF).

Methods

The analysis of gene sequencing data set was employed to identify potential therapeutic target proteins for HF. Subsequently, H9C2 cells and Sprague-Dawley (SD) rats were utilized as experimental models to simulate doxorubicin hydrochloride (Doxorubicin, Dox)-induced myocardial injury. This approach was employed to investigate the expression changes of inflammatory factors, including TNF-α, IL-6, IL-1β, sST2, and Gal-3, as well as the alterations in their expression following exosome treatment. Meanwhile, the mechanism of exosomes in relieving HF and inhibiting inflammation were investigated using constructed KLF 4 knockout cell lines and SD rats.

Results

BMSC-derived exosomes were capable of enhancing the expression level of KLF4 in cardiomyocytes, decreasing the expression levels of myocardial damage markers BNP and hs-TnI, as well as inflammatory factors TNF-α, IL-6, IL-1β, sST2, and Gal-3, thereby alleviating HF injury. In vitro and in vivo experiments have shown that exosomal treatment decreases the expression of BNP and hs-TnI, which are indicators of myocardial injury, along with the release of inflammatory cytokines in cardiomyocytes. Concurrently, the expression of KLF4 was downregulated, leading to a significant reduction in this physiological modulation.

Conclusion

BMSC-derived exosomes exhibit superior therapeutic potential for HF by enhancing the expression of KLF4 and mitigating inflammation in myocardial tissue.

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来源期刊
Immunity, Inflammation and Disease
Immunity, Inflammation and Disease Medicine-Immunology and Allergy
CiteScore
3.60
自引率
0.00%
发文量
146
审稿时长
8 weeks
期刊介绍: Immunity, Inflammation and Disease is a peer-reviewed, open access, interdisciplinary journal providing rapid publication of research across the broad field of immunology. Immunity, Inflammation and Disease gives rapid consideration to papers in all areas of clinical and basic research. The journal is indexed in Medline and the Science Citation Index Expanded (part of Web of Science), among others. It welcomes original work that enhances the understanding of immunology in areas including: • cellular and molecular immunology • clinical immunology • allergy • immunochemistry • immunogenetics • immune signalling • immune development • imaging • mathematical modelling • autoimmunity • transplantation immunology • cancer immunology
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