CTRP3 is a Novel Biomarker for Diabetic Retinopathy and Inhibits HGHL-induced VCAM-1 Expression in an AMPK-dependent Manner

Overview

Journal PLoS One

Specialties General Medicine
Science

Date 2017 Jun 21

PMID 28632765

Citations 21

Authors

Zheyi Yan

Jianli Zhao

Lu Gan

Yanqing Zhang

Rui Guo

Xiaoming Cao

Wayne Bond Lau

Xin Ma

Yajing Wang

Affiliations

Soon will be listed here.

Abstract

Objectives: Diabetic retinopathy (DR) is a severe complication of chronic diabetes. The C1q/TNF-related protein family (CTRPs) has been demonstrated to exert protective effects against obesity and atherosclerosis in animal studies. Heretofore, the association between circulating CTRPs and DR patients has been unexplored. In the current study, we attempt to define this association, as well as the effect of CTRPs upon DR pathophysiology.

Design: The present investigation is a case control study that enrolled control subjects and type 2 diabetes mellitus (T2DM) patients diagnosed with DR. Serum CTRPs and sVACM-1 were determined by ELISA.

Results: Serum CTRP3 and CTRP5 levels were markedly decreased in patients with T2DM compared to controls (p<0.05) and inversely associated with T2DM. Furthermore, mutivariate regression and ROC analysis revealed CTRP3 deficiency, not CTRP5, was associated with proliferative diabetic retinopathy (PDR). Spearman's rank correlation assay demonstrated an inverse association between CTRP3 and sVCAM-1. Finally, exogenous CTRP3 administration attenuated high glucose high lipid (HGHL)-induced VCAM-1 production in an AMPK-dependent manner in cultured human retinal microvascular endothelial cells (HRMECs).

Conclusion: CTRP3 may serve as a novel biomarker for DR severity. CTRP3 may represent a future novel therapeutic against DR, a common ocular complication of diabetes.

Citing Articles

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