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Systemic factors related to soluble (pro)renin receptor in plasma of patients with proliferative diabetic retinopathy

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Title: Systemic factors related to soluble (pro)renin receptor in plasma of patients with proliferative diabetic retinopathy
Authors: Hase, Keitaro Browse this author
Kanda, Atsuhiro Browse this author →KAKEN DB
Hirose, Ikuyo Browse this author
Noda, Kousuke Browse this author →KAKEN DB
Ishida, Susumu Browse this author →KAKEN DB
Issue Date: 14-Dec-2017
Publisher: Public Library of Science
Journal Title: PLoS ONE
Volume: 12
Issue: 12
Start Page: e0189696
Publisher DOI: 10.1371/journal.pone.0189696
Abstract: (Pro)renin receptor [(P)RR], a new component of the tissue renin-angiotensin system (RAS), plays a crucial role in inflammation and angiogenesis in the eye, thus contributing to the development of proliferative diabetic retinopathy (PDR). In this study, we investigated systemic factors related to plasma levels of soluble form of (P) RR [s(P) RR] in patients with PDR. Twenty type II diabetic patients with PDR and 20 age-matched, non-diabetic patients with idiopathic macular diseases were enrolled, and plasma levels of various molecules were measured by enzyme-linked immunosorbent assays. Human retinal microvascular endothelial cells were stimulated with several diabetes-related conditions to evaluate changes in gene expression using real-time quantitative PCR. Of various systemic parameters examined, the PDR patients had significantly higher blood sugar and serum creatinine levels than non-diabetic controls. Protein levels of s(P) RR, prorenin, tumor necrosis factor (TNF)-alpha, complement factor D (CFD), and leucine-rich alpha-2-glycoprotein 1 (LRG1) significantly increased in the plasma of PDR subjects as compared to non-diabetes, with positive correlations detected between s(P)RR and these inflammatory molecules but not prorenin. Estimated glomerular filtration rate and serum creatinine were also correlated with plasma s (P)RR, but not prorenin, levels. Among the inflammatory molecules correlated with s(P)RR in the plasma, TNF-alpha, but not CFD or LRG1, application to retinal endothelial cells upregulated the mRNA expression of (P)RR but not prorenin, while stimulation with high glucose enhanced both (P)RR and prorenin expression. These findings suggested close relationships between plasma s(P)RR and diabetes-induced factors including chronic inflammation, renal dysfunction, and hyperglycemia in patients with PDR.
Type: article
Appears in Collections:医学院・医学研究院 (Graduate School of Medicine / Faculty of Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 神田 敦宏

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