Background: Heart failure (HF)-related skeletal muscle wasting inversely affects the prognosis of HF, in which systemic inflammation may be involved. The relationships among skeletal muscle mass (SMM), systemic inflammation, and cardiovascular outcomes have not been clarified.
Objectives: This study evaluated the associations of SMM with cardiovascular outcomes, systemic immune-inflammatory index (SII) with cardiovascular outcomes, and the mediation role of SII in the relationship between SMM and outcomes.
Background: For patients with coronary heart disease, reperfusion treatment strategies are often complicated by ischemia/reperfusion (I/R) injury (IRI), leading to serious organ damage and malfunction. The miR-21/programmed cell death protein 4 (PDCD4) pathway is involved in the IRI of cardiomyocytes; however, the aberrant miR-21 expression remains unexplained. Therefore, this study aimed to explore whether circRNA_0031672 downregulates miR-21-5p expression during I/R and to determine whether miR-21-5p-expressing bone marrow mesenchymal stem cells (BMSCs) reduce myocardial IRI.
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