Iranian Journal of Immunology

Aqueous Humor and Serum Concentrations of Soluble MICA and MICB in Glaucoma Patients

Document Type : Original Article

Authors

Kiomars Nowroozpoor-Dailami 1
Araz-Mohammad Mirabi 2
Mohsen Tehrani 2, 3
Abolghasem Ajami 2, 3

1 Department of Ophthalmology, Bou Ali Sina Hospital

2 Department of Immunology, School of Medicine

3 Molecular and Cell Biology Research Center (MCBRC), Mazandaran University of Medical Sciences, Sari, Iran

https://doi.org/10.22034/iji.2014.16788
Abstract
Background: Immune reactions have been reported to be involved in the destruction of retinal ganglion cells (RGCs) in glaucoma.
Objective: To investigate the role of major histocompatibility complex class I-related chain A and B (MICA and MICB) molecules in the pathogenesis of glaucoma.
Methods: Aqueous humor and serum samples from 15 glaucoma patients and 45 patients with cataract, undergoing ocular surgery, were obtained. The concentrations of MICA and MICB molecules in all samples were measured using ELISA.
Results: Both MICA and MICB concentrations were higher in the aqueous humor of patients with glaucoma compared to those with cataract (p=0.013 and p=0.004, respectively); however, in the serum samples, no significant differences were observed.
Conclusions: Increased intraocular pressure may be associated with increased expression of the MICA and MICB molecules, which could initiate the destruction of RGCs and consequent development of glaucoma.

Keywords

Aqueous Humor
Glaucoma
MICA
MICB
Iranian Journal of Immunology
Volume 11, Issue 4
Autumn 2014
Pages 275-281

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