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Identification of common and specific fibrosis-related genes in three common chronic kidney diseases

Zhangning Fu1,2, Xiaodong Geng2, Chao Liu3

  • 1Medical School of Chinese PLA, Beijing, China.

Renal Failure
|January 4, 2024
PubMed
Abstract

Insights

This study identified common and specific fibrosis-related genes in chronic kidney diseases (CKD), revealing shared therapeutic targets and distinct diagnostic markers for diabetic nephropathy, IgA nephropathy, and membranous nephropathy.

Area of Science:

  • Nephrology
  • Molecular Biology
  • Genomics

Background:

  • Kidney fibrosis is a common endpoint for advanced chronic kidney diseases (CKD), including diabetic nephropathy (DN), IgA nephropathy (IgAN), and membranous nephropathy (MN).
  • Understanding the shared and distinct molecular mechanisms underlying fibrosis in different CKD types is crucial for effective treatment strategies.

Purpose of the Study:

  • To identify common and specific fibrosis-related genes across different types of CKD.
  • To explore potential common therapeutic targets and specific diagnostic markers for fibrotic kidney diseases.

Main Methods:

  • Gene expression analysis using the NanoString nCounter® Human Fibrosis V2 Panel on kidney biopsy specimens.
  • Differential gene expression analysis to identify common and specific fibrosis-associated genes.
  • Validation of selected gene expression using quantitative real-time PCR (qRT-PCR).

Main Results:

  • Identified common fibrosis-related genes including PTPRC, ICAM1, VCAM1, IL10RA, and CCR2.
  • Discovered specific fibrosis-associated genes for DN, IgAN, and MN, such as PPARA, LOX, and SPP1.
  • Validated gene expression findings through qRT-PCR, confirming consistency with NanoString analysis.

Conclusions:

  • CKD fibrosis shares common pathways but also exhibits type-specific mechanisms.
  • Common genes represent potential therapeutic targets for kidney fibrosis, while specific genes may serve as diagnostic markers.
  • Inflammation plays a significant role in the pathogenesis of kidney fibrosis, offering insights for future treatments.
Keywords:
Kidney fibrosisNanoString technologychronic kidney disease

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