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Related Concept Videos

Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

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Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
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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.

Retina (Philadelphia, Pa.)
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Urinary metabolomics revealed significant differences in central serous chorioretinopathy (CSC). Upregulated tetrahydrocortisol sulfate suggests a role for corticosteroids in CSC, offering a molecular basis for further research.

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Area of Science:

  • Ophthalmology
  • Metabolomics
  • Endocrinology

Background:

  • Central serous chorioretinopathy (CSC) is a condition affecting vision.
  • The underlying molecular mechanisms of CSC are not fully understood.
  • Investigating metabolic profiles may offer new insights into CSC pathogenesis.

Purpose of the Study:

  • To analyze the urinary metabolomic profile of individuals with central serous chorioretinopathy.
  • To identify specific metabolites associated with CSC.
  • To explore potential links between urinary metabolites and corticosteroid pathways in CSC.

Main Methods:

  • A cross-sectional study comparing 80 CSC patients with 80 age- and sex-matched controls.
  • Urinary metabolites were quantified using Metabolon's Discovery HD4 platform.
  • Statistical analysis was performed to identify differentially abundant metabolites.

Main Results:

  • Out of 1,031 measured metabolites, 53 were upregulated and 27 downregulated in CSC patients.
  • After excluding xenobiotics and bile compounds, 14 metabolites were significantly higher and 12 lower in CSC cases.
  • Tetrahydrocortisol sulfate was identified as an upregulated metabolite linked to the corticosteroid pathway.

Conclusions:

  • The study identified a distinct urinary metabolomic profile in central serous chorioretinopathy.
  • Upregulation of tetrahydrocortisol sulfate provides a molecular basis for investigating corticosteroid involvement in CSC.
  • Further research can explore the role of corticosteroids in choroidal venous congestion associated with CSC.