ArticleIndian journal of ophthalmology2026
Müller cell markers in aqueous humor of patients with type-2 macular telangiectasia.
Article in Indian journal of ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Does macular telangiectasia type 2 influence the retinal microvasculature in diabetic retinopathy?Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026Article
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5 authors.
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Abstract
purposeTo investigate the pathogenesis of type-2 macular telangiectasia (MacTel) by comparing the levels of glial fibrillary acidic protein (GFAP), aquaporin-4 (AQP4), and K+ inwardly rectifying channel 4.1 (Kir4.1) in the aqueous humor of diagnosed patients and individuals who had no ophthalmological disease.
methodsThis prospective study included nine patients with cataract and MacTel type 2 (group 1) and patients without any ophthalmological pathology other than senile cataract (group 2). We comparatively analyzed the groups' GFAP, AQP4, and Kir4.1 levels in the anterior chamber fluid, which was sampled intraoperatively during the cataract surgery.
resultsThe GFAP levels were found to be 601.18 ± 66.19 pg/mL in the patient group and 1059 ± 537 pg/mL in the control group, and the difference was statistically significant. (P = 0.019) The mean AQP4 levels were lower (1.5 ± 1.02 ng/mL) in the patient group than in the control group (2.81 ± 1.19 pg/mL) (P = 0.012). There was no significant difference in terms of the mean Kir4.1 levels between the groups (P = 0.453). There was a significant negative correlation between the postoperative best corrected visual acuity (logMAR) and GFAP and AQP4 (for GFAP; r = -0.473 P = 0.02, for AQP4 r = -0.463 P = 0.023). DISCUSSION: GFAP and AQP4 levels may be related to glial cell dysfunction and disturbances in retinal fluid balance in the pathophysiology of MacTel type 2.
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