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Updated: Feb 12, 2026
07:11
Assessing Early Stage Open-Angle Glaucoma in Patients by Isolated-Check Visual Evoked Potential
Published on: May 25, 2020
6.9K
Comparison of T Helper Cell Patterns in Primary Open-Angle Glaucoma and Normal-Pressure Glaucoma
Chunyu Guo1, Ningbo Wu2, Xiaoyin Niu2
1Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China (mainland).
Summary
Normal-pressure glaucoma (NPG) patients show distinct immunological differences compared to primary open-angle glaucoma (POAG) patients, particularly in T-helper cell responses and heat shock protein 60 (HSP60) antibody levels. These findings suggest an imbalanced immune response in NPG.
Area of Science:
- Immunology
- Ophthalmology
- Cellular Biology
Background:
- Heat shock protein 60 (HSP60) related immunological activities are present in normal-pressure glaucoma (NPG) patients, unlike primary open-angle glaucoma (POAG) patients who exhibit elevated intraocular pressure (IOP).
- While HSP60 is found in both POAG and NPG patients, higher anti-HSP60 antibody levels are predominantly observed in NPG patients, indicating a potential immunological discrepancy.
- Understanding these immunological differences is crucial for differentiating glaucoma subtypes and developing targeted therapies.
Purpose of the Study:
- To compare T-helper (Th) cell percentages and related cytokine levels between POAG, NPG, and normal control (NC) groups.
- To investigate the immunological response to HSP60 stimulation in different glaucoma patient cohorts.
- To elucidate the immunological basis for the discrepancy in anti-HSP60 antibody levels between POAG and NPG patients.
Main Methods:
- Blood samples were collected from POAG, NPG, and NC groups.
- Peripheral blood monocytes were isolated and cultured with or without HSP60 stimulation.
- Flow cytometry and ELISA were employed to assess Th1, Th2, Th17, and regulatory T (Treg) cell frequencies, HSP60 antibody levels, and cytokine profiles before and after culture.
Main Results:
- NPG patients exhibited significantly higher titers of anti-HSP60 antibodies compared to POAG and NC groups.
- While Th1 and Th2 cell frequencies and IL-4/IFN-γ levels were comparable between POAG and NPG, POAG patients showed higher Treg cell frequencies.
- HSP60 stimulation led to increased Th2 and decreased Th1 frequencies in all groups, with increased Treg frequency observed only in POAG and NC groups.
Conclusions:
- Distinct T-helper cell patterns differentiate POAG, NPG, and NC groups.
- Some NPG patients display a lack of Treg cell induction and an imbalanced pro-inflammatory and anti-inflammatory Th cell response.
- These immunological findings highlight potential differences in disease mechanisms between POAG and NPG, warranting further investigation.
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