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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
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Related Experiment Video

Updated: May 1, 2026

Detection of MicroRNA Expression in the Kidneys of Immunoglobulin A Nephropathic Mice
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MicroRNAs in IgA nephropathy.

Cheuk-Chun Szeto1, Philip K-T Li1

  • 1Department of Medicine and Therapeutics, Prince of Wales Hospital, 9th Floor, Clinical Sciences Building, The Chinese University of Hong Kong, Shatin, N. T. Hong Kong, China.

Nature Reviews. Nephrology
|April 9, 2014
PubMed
Summary
This summary is machine-generated.

MicroRNAs (miRNAs) are implicated in IgA nephropathy pathogenesis, with specific miRNAs like miR-148b and miR-29c playing roles in disease progression. Urinary miRNAs show potential as diagnostic biomarkers for this common kidney disease.

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Area of Science:

  • Nephrology
  • Molecular Biology
  • Genetics

Background:

  • IgA nephropathy (IgAN) is the most prevalent primary glomerulonephritis worldwide, yet its pathogenesis remains incompletely understood.
  • MicroRNAs (miRNAs) are key regulators of gene expression, influencing cellular processes relevant to kidney disease.

Purpose of the Study:

  • To review the current literature on the role of miRNAs in the pathogenesis of IgA nephropathy.
  • To explore the potential of miRNAs as diagnostic and monitoring biomarkers for IgAN.

Main Methods:

  • Comprehensive review of existing studies investigating miRNA expression in IgA nephropathy.
  • Analysis of genome-wide renal miRNA expression data.
  • Examination of urinary miRNA levels in IgAN patients versus healthy controls.

Main Results:

  • Overexpression of miR-148b may contribute to aberrant IgA1 glycosylation, a critical factor in early IgAN pathogenesis.
  • miR-29c, an antifibrotic miRNA, is suggested to be important in later stages of IgAN progression.
  • Distinct urinary miRNA profiles are observed in IgAN patients, with some alterations correlating with disease specificity and others with kidney damage.

Conclusions:

  • miRNAs are significantly involved in the pathogenesis of IgA nephropathy, influencing both early and late disease stages.
  • Urinary miRNAs are stable and quantifiable, presenting a promising avenue for non-invasive biomarkers for IgAN diagnosis and management.
  • Further research is essential to fully elucidate the role of miRNAs in IgAN and validate their biomarker potential.