ArticleArquivos brasileiros de oftalmologia2025
Tear and blood salusin-α, and -β, copeptin, and asprosin in patients with glaucoma and ocular hypertension.
Article in Arquivos brasileiros de oftalmologia, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeThis pilot study was conducted to investigate the presence of various bioactive compounds (copeptin, asprosin, and salusins) in the blood and tears of patients with glaucoma.
methodsA total of 83 subjects, including 28 patients with open-angle glaucoma, 28 patients with ocular hypertension, and 27 control volunteers, were enrolled in this study. The levels of salusin-α, salusin-β, copeptin, and asprosin in tears and venous blood samples were measured by enzyme linked immunosorbent assay (ELISA).
resultsPatients with open-angle glaucoma and those with ocular hypertension showed statistically significantly decreased levels of salusin-α and salusin-β in their blood and tears compared with those of control subjects (p<0.05), with the decrease being the most pronounced in patients with ocular hypertension (p<0.05). In contrast, the levels of copeptin and asprosin showed a statistically significant increase in both these patient groups compared with those of control subjects (p<0.05). There was a negative correlation between intraocular pressure and blood and tear salusins.
conclusionsFluids from patients with open-angle glaucoma and ocular hypertension showed lower salusin levels. Patients with ocular hypertension had higher levels of copeptin and asprosin, but not those with open-angle glaucoma (except for asprosin, whose levels showed a slight but remarkable increase in plasma in patients with open-angle glaucoma). The pathogenesis of ocular hypertension and open-angle glaucoma may be significantly impacted by these biomarkers.
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