Journal
PEDIATRIC NEPHROLOGY
Volume 37, Issue 10, Pages 2255-2265Publisher
SPRINGER
DOI: 10.1007/s00467-022-05497-2
Keywords
Biomarker; Proteomics; Mass spectrometry; Pediatric glomerular disease; Chronic kidney disease
Categories
Funding
- NIDDK-NIH [DK110077]
- University of Louisville Kidney Disease Program
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Early diagnosis and detailed understanding of the pathogenesis of chronic kidney disease are crucial in delaying disease progression, but clinical diagnosis often lags behind, making proteomics technologies essential in identifying novel biomarkers for better diagnosis and prognosis.
Chronic kidney disease (CKD) can progress to kidney failure and require dialysis or transplantation, while early diagnosis can alter the course of disease and lead to better outcomes in both pediatric and adult patients. Significant CKD comorbidities include the manifestation of cardiovascular disease, heart failure, coronary disease, and hypertension. The pathogenesis of chronic kidney diseases can present as subtle and especially difficult to distinguish between different glomerular pathologies. Early detection of adult and pediatric CKD and detailed mechanistic understanding of the kidney damage can be helpful in delaying or curtailing disease progression via precise intervention toward diagnosis and prognosis. Clinically, serum creatinine and albumin levels can be indicative of CKD, but often are a lagging indicator only significantly affected once kidney function has severely diminished. The evolution of proteomics and mass spectrometry technologies has begun to provide a powerful research tool in defining these mechanisms and identifying novel biomarkers of CKD. Many of the same challenges and advances in proteomics apply to adult and pediatric patient populations. Additionally, proteomic analysis of adult CKD patients can be transferred directly toward advancing our knowledge of pediatric CKD as well. In this review, we highlight applications of proteomics that have yielded such biomarkers as PLA2R, SEMA3B, and other markers of membranous nephropathy as well as KIM-1, MCP-1, and NGAL in lupus nephritis among other potential diagnostic and prognostic markers. The potential for improving the clinical toolkit toward better treatment of pediatric kidney diseases is significantly aided by current and future development of proteomic applications.
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