High Interleukin-8 Level in Aqueous Humor is Associated with Poor Prognosis in Eyes with Open Angle Glaucoma and Neovascular Glaucoma

Overview

Journal Sci Rep

Specialty Science

Date 2018 Sep 30

PMID 30266980

Citations 32

Authors

Ikuyo Chono

Dai Miyazaki

Hitomi Miyake

Naoki Komatsu

Fumie Ehara

Daisuke Nagase

Yukimi Kawamoto

Yumiko Shimizu

Ryuichi Ideta

Yoshitsugu Inoue

Affiliations

Soon will be listed here.

Abstract

Glaucoma is a leading cause of blindness worldwide. Purpose of this study was to identify molecular markers that were significantly correlated with presence of glaucoma and outcome of glaucoma surgery. To accomplish this, we determined the profiles of pro-inflammatory cytokines in the aqueous humor of 101 glaucoma patients; 31 primary open angle glaucoma (POAG), 38 pseudoexfoliation glaucoma (PEG), and 32 neovascular glaucoma (NVG). We also studied 100 normal subjects as controls. In eyes with POAG or PEG, the level of interleukin (IL)-1α, IL-2, IL-4, IL-8, IL-23, and CCL2 were significantly elevated. In the NVG eyes, many inflammatory cytokines were also highly elevated. IL-8 had the highest odds ratio, and levels of IL-8 and CCL2 were significantly correlated with preoperative IOP or visual field defects in PEG eyes. Principal component analysis showed that IL-8 had the highest association to the IOP-cytokine component, and Cox proportional hazard model indicated that an elevation of IL-8 was a significant risk of filtering surgery failure. Together with modeling of their interactions and prognosis, IL-8 elevation is a significant risk factor both for detecting and managing glaucoma and may serve as a therapeutic target candidate to improve the prognosis of glaucoma surgery.

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