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URINARY METABOLOMICS OF CENTRAL SEROUS CHORIORETINOPATHY
Catherine B Meyerle1,2, Pin Lyu1, Jiang Qian1
1Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Baltimore, Maryland.
Purpose:
To analyze the urinary metabolomic profile of central serous chorioretinopathy cases.
Methods:
In a cross-sectional study, 80 participants with central serous chorioretinopathy were compared with 80 age-matched and sex-matched controls. Urinary metabolites were measured using Metabolon's Discovery HD4 platform.
Results:
Of 1,031 metabolites total that were measured in urine samples, 53 were upregulated and 27 downregulated in central serous chorioretinopathy participants compared with controls. After exclusion of potentially confounding xenobiotics and bile compounds that could represent digestive processes, 14 metabolites were significantly higher and 12 metabolites were significantly lower in cases compared with controls. One upregulated metabolite (tetrahydrocortisol sulfate) is involved in the corticosteroid subpathway. The downregulated metabolites are unrelated to the identified corticosteroid subpathway.
Conclusion:
The upregulation of urinary tetrahydrocortisol sulfate in central serous chorioretinopathy cases provides a precise molecular basis to further study the role of corticosteroids in producing choroidal venous congestion.
