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Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology

Association Between C1q/TNF-Related Protein-1 Levels in Human Plasma and Epicardial Adipose Tissues and Congestive Heart Failure.


PMID 28810263

Abstract

C1q and tumour necrosis factor-related protein 1 (CTRP1) possesses anti-atherogenic and anti-inflammatory effects. This study investigated whether the CTRP1 levels in the plasma and epicardial adipose tissue (EAT) were associated with congestive heart failure (CHF) and to disclose possible molecular mechanisms. Plasma and tissue samples were obtained from subjects with or without CHF. Plasma levels of CTRP1 were measured by ELISA. The mRNA levels of CTRP1 and inflammatory cytokines were detected by RT-PCR. The protein levels of CTRP1, aldosterone synthase (CYP11B2) and mitogen-activated protein kinase were examined by Western blotting. The levels of CTRP1 in the plasma and EAT were higher in the CHF patients than those in the controls. There were no differences in the CTRP1 levels in cardiomyocytes between the CHF group and the non-CHF group. An exploratory survival analysis showed that higher CTRP1 values at admission were associated with a worse prognosis after discharge. CTRP1 increased the IL-6 mRNA level in H295R cells. CTRP1 recruited ERK1/2 and Jak-2 for aldosterone release by modulating the CYP11B2 protein level, and brain natriuretic peptide repressed the CTRP1-induced aldosterone release through the JAK2-STAT3 signalling pathways. The CTRP1 levels in the plasma and EAT were increased in the CHF patients. CTRP1 is involved in the pathogenesis of CHF by modulating IL-6 levels and aldosterone release.

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