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Serum Biomarkers for the Diagnosis of Glaucoma.

Diagnostics (Basel, Switzerland) (2020-12-31)
Young Joo Shin, Eunbi Kim, Bobby Kwanghoon Han, Kayoung Yi
ABSTRACT

Despite the importance of the early detection of glaucoma, most patients with progressive glaucoma show minimal symptoms. We aimed to evaluate biomarkers for glaucoma diagnosis in Korea. Forty-two volunteers with/without open-angle glaucoma were enrolled from January through October 2015-divided into a control or open-angle glaucoma group, which was further divided into normal-tension glaucoma (NTG) and high-tension glaucoma (HTG) groups-and underwent assessments for myelin basic protein (MBP), heat shock protein 60, anti-Sjögren's-syndrome-related antigen A (SSA) and antigen B (SSB), anti-α-fodrin, and anti-nucleic acid. The glaucoma group showed a higher serum MBP level and lower serum anti-α-fodrin antibody level than the control group (p < 0.05). The NTG group showed higher serum anti-SSA and anti-SSB levels and lower anti-α-fodrin IgG/IgA levels than the HTG group. In the receiver operating characteristic curve analysis, the area under the curve (AUC) for serum MBP level was 0.917 in discriminating between controls and patients with glaucoma. Between the NTG and HTG groups, anti-SSA, anti-SSB, and anti-α-fodrin IgG/IgA levels showed an AUC above 0.8. Thus, these biomarkers were useful for diagnosing glaucoma and discriminating between controls and patients with glaucoma, and patients with NTG and HTG.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Human IgG ELISA Kit, for serum, plasma
Sigma-Aldrich
Mouse IgA ELISA Kit