Proteomics in acute kidney injury--current status and future promise

Julie Ho1, Allison Dart, Claudio Rigatto

  • 1Section of Nephrology, Department Internal Medicine, University of Manitoba, Winnipeg, MB, Canada, jho@exchange.hsc.mb.ca.

Insights

Developing novel biomarkers for pediatric acute kidney injury (AKI) is crucial for early diagnosis. This review highlights "-omic" technologies and challenges in identifying non-invasive biomarkers to improve patient outcomes.

Area of Science:

  • Biomarker discovery
  • Pediatric nephrology
  • Translational research

Background:

  • Pediatric acute kidney injury (AKI) presents significant morbidity, mortality, and healthcare costs.
  • Current therapeutic interventions for AKI are limited, partly due to late diagnosis.
  • Early identification of renal injury is critical for effective therapeutic intervention.

Purpose of the Study:

  • To review non-invasive pediatric AKI biomarkers.
  • To focus on biomarkers identified through unbiased omic technologies.
  • To highlight methodological and implementation challenges in biomarker discovery.

Main Methods:

  • Review of transcriptomic, proteomic, and metabolomic technologies for AKI biomarker identification.
  • Analysis of existing literature on non-invasive pediatric AKI biomarkers.
  • Discussion of emerging proteomic techniques for biomarker discovery.

Main Results:

  • Omic technologies offer unbiased approaches to identify novel AKI biomarkers.
  • Various biomarkers have been identified using transcriptomic, proteomic, and metabolomic methods.
  • Methodological and implementation challenges exist in translating these biomarkers into clinical practice.

Conclusions:

  • Development of novel non-invasive biomarkers is essential for early AKI diagnosis in children.
  • Overcoming implementation challenges is key to utilizing biomarkers for timely therapeutic intervention.
  • Advancements in proteomic techniques hold promise for future AKI biomarker discovery and improved patient outcomes.

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