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Regulatory cytokines prescribe the outcome of the inflammation in the process of PEX production.

BACKGROUND The purpose of this study is to reveal the participation of different regulatory cytokines within the process of pseudoexfoliation (PEX). METHODS Our study included 140 patients referred to cataract… Click to show full abstract

BACKGROUND The purpose of this study is to reveal the participation of different regulatory cytokines within the process of pseudoexfoliation (PEX). METHODS Our study included 140 patients referred to cataract surgery with early and late stage of pseudoexfoliation syndrome (XFS) or pseudoexfoliation glaucoma (XFG). Humor and serum levels of cytokines TGF-β, PDGF, EGF, IGF, IL-8 and ITAC were measured in a sample using high sensitivity enzyme-linked immunoabsorbent assay (ELISA) kit. RESULTS Our results indicate that profibrotic action induced by increasing TGF-β and PDGF locally activates fibrous tissue production in the early XFS with a prolonged effect of PDGF (late XFS) and finally (XFG stage) it is dominantly controlled by EGF and IGF. ITAC overrides angiogenetic effects of IL-8 in XFG. CONCLUSION Based on our findings local chronic inflammation in the eye is accompanied by the secretion of different profibrotic cytokines (TGF-β, PDGF, EGF, IGF, IL-8) without angiogenesis due to effects of ITAC.

Keywords: regulatory cytokines; process; production; pex; inflammation; tgf pdgf

Journal Title: Journal of the Chinese Medical Association
Year Published: 2019

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