Original articleBasic fibroblast growth factor, glutamine synthetase, and interleukin-6 in vitreous fluid from eyes with retinal detachment complicated by proliferative vitreoretinopathy☆
Review articleOpen access
Abstract:

AbstractPURPOSE: To investigate the presence of basic fibroblast growth factor (bFGF), glutamine synthetase (GS), and interleukin-6 (IL-6) in vitreous fluid from eyes with retinal detachment complicated by proliferative vitreoretinopathy (PVR).DESIGN: Comparative case series; experimental study.METHODS: In a prospective study, we measured bFGF, GS, IL-6, and total protein in vitreous fluid samples from 53 eyes from 53 consecutive patients with PVR operated on in our hospital. As controls, vitreous fluid samples from eyes with a macular hole (n = 9) or pucker (n = 11) were used.MAIN OUTCOME MEASURES: Laboratory data of the patient group were compared with the control group and correlated with various clinical data, especially with visual recovery and redetachment.RESULTS: For IL-6, bFGF, and total protein we found significantly higher levels in PVR patients’ eyes than in control eyes (P = .03, P = .046, and P < .0001, respectively). Within the PVR group, no significant correlation was found for IL-6, bFGF, GS, or total protein with the various tested clinical variables.CONCLUSIONS: We found increased levels of IL-6, bFGF, and total protein in vitreous fluid from patients’ eyes with PVR. Whether the increased levels of IL-6, bFGF, and total protein are the result of an injury-induced upregulation of these proteins as part of a self-protective mechanism of the retina to minimize photoreceptor damage after the mechanical injury induced by retinal detachment is, at present, not known.

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