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Genomic biomarkers for chronic kidney disease
Wenjun Ju1, Shahaan Smith, Matthias Kretzler
1Division of Nephrology, Department of Internal Medicine, University of Michigan, 1150 W. Medical Center Drive, Ann Arbor, MI 48109-0680, USA. wenjunj@med.umich.edu
Insights
Identifying genomic biomarkers for chronic kidney disease (CKD) is crucial for early detection and targeted treatment. Research is exploring molecular markers to predict CKD progression and improve patient outcomes.
Area of Science:
- Nephrology
- Genomics
- Biomarker Discovery
Background:
- Chronic kidney disease (CKD) affects 14-15% of US adults, posing a significant public health challenge.
- End-stage renal disease is projected to increase by 50% in the next 20 years, necessitating better patient management.
- Current diagnostic and prognostic tools for CKD are insufficient for early risk identification.
Purpose of the Study:
- To review the identification and validation of genomic biomarker candidates for CKD.
- To discuss the challenges and opportunities in developing molecular definitions for CKD progression.
- To highlight the need for biomarkers enabling early and targeted CKD treatment.
Main Methods:
- Review of clinical studies on genomic biomarker candidates for CKD.
- Analysis of molecular approaches in personalized medicine, drawing parallels to kidney disease research.
- Exploration of multi-level genomic and phenomic data.
Main Results:
- Potential molecular biomarker candidates have been identified across the genome-phenome continuum.
- Genomic approaches show promise for personalized CKD management.
- Challenges include kidney cellular heterogeneity and limited human tissue availability.
Conclusions:
- Genomic biomarkers offer a promising avenue for early CKD detection and risk stratification.
- Molecular definitions of CKD are essential for advancing personalized nephrology care.
- Further research is needed to overcome challenges and validate novel biomarkers for clinical application.
Abstract:
Chronic kidney disease (CKD) remains a major challenge in nephrology and for public health care, affecting 14% to 15% of the adult US population and consuming significant health care resources. In the next 20 years, the number of patients with end stage renal disease is projected to increase by 50%. Ideal biomarkers that allow early identification of CKD patients at high risk of progression are urgently needed for early and targeted treatment to improve patient care. Recent success of integrating molecular approaches for personalized management of neoplastic diseases, including diagnosis, staging, prognosis, treatment selection, and monitoring, has strongly encouraged kidney researchers to pursue molecular definitions of patients with kidney disease. Challenges for molecular marker identification in CKD are a high degree of cellular heterogeneity of the kidney and the paucity of human tissue availability for molecular studies. Despite these limitations, potential molecular biomarker candidates have been uncovered at multiple levels along the genome--phenome continuum. Here we will review the identification and validation of potential genomic biomarker candidates of CKD and CKD progression in clinical studies. The challenges in predicting CKD progression, as well as the promises and opportunities resulting from a molecular definition of CKD will be discussed.
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