Urine organic acid analysis as a tool in evaluation for Zellweger Spectrum disorder: A retrospective study

Area of Science:

• Biochemistry
• Metabolomics
• Newborn Screening

Background:

• Zellweger spectrum disorder (ZSD) is a group of rare genetic conditions.
• Newborn screening aims to detect genetic disorders early.
• Diagnostic challenges exist for ZSD in newborns.

Purpose of the Study:

• To evaluate the utility of urine organic acid (UOA) analysis for diagnosing Zellweger spectrum disorder (ZSD).
• To identify specific UOA biomarkers indicative of ZSD in infants.
• To correlate UOA findings with confirmed ZSD diagnoses.

Main Methods:

• Retrospective analysis of UOA data from infants diagnosed with ZSD.
• Review of UOA chromatograms for characteristic metabolite patterns.
• Comparison of UOA profiles in ZSD patients versus controls (implied).

Main Results:

• A consistent pattern of specific urine organic acids was identified in ZSD patients.
• Key identified acids include 2-hydroxysebacic acid, 3,6-epoxydeodecanedioic acid, and 3,6-epoxytetradecanedioic acid.
• UOA analysis demonstrated diagnostic value in ZSD evaluation.

Conclusions:

• Urine organic acid analysis is a valuable tool for the diagnostic workup of Zellweger spectrum disorder.
• Specific UOA profiles can aid in the early identification of ZSD.
• The study provides visual references of UOA peaks for clinical use.