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Related Experiment Video

Updated: Dec 29, 2025

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
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Duplex kidney formation: developmental mechanisms and genetic predisposition.

Vladimir M Kozlov1, Andreas Schedl1

  • 1iBV, Institut de Biologie Valrose, Equipe Labellisée Ligue Contre le Cancer, Université Cote d'Azur, Centre de Biochimie, UFR Sciences, Parc Valrose, Nice Cedex 2, 06108, France.

F1000Research
|February 8, 2020
PubMed
Summary

Duplex kidneys, a common congenital abnormality of the kidney and urinary tract (CAKUT), arise from diverse genetic causes. This review explores ureter development and the genetic factors contributing to duplex kidney formation.

Keywords:
CAKUTduplex systemskidney developmentureter budding

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Area of Science:

  • Developmental biology
  • Genetics
  • Urology

Background:

  • Congenital abnormalities of the kidney and urinary tract (CAKUT) represent a common and diverse group of newborn conditions.
  • CAKUT result from mutations in numerous genes, leading to a wide range of phenotypes.
  • Duplex kidneys are a frequent CAKUT subtype, often asymptomatic but linked to vesicoureteral reflux and hydronephrosis.

Purpose of the Study:

  • To review the molecular basis of ureter induction in kidney development.
  • To identify genes associated with duplex kidney formation.
  • To discuss the molecular and cellular mechanisms underlying this malformation.

Main Methods:

  • Literature review of genetic and developmental studies on CAKUT.
  • Focus on duplex kidney formation and associated risk factors.
  • Analysis of molecular programs in ureter development.

Main Results:

  • Ureter induction involves complex molecular signaling pathways.
  • Multiple genes have been identified as risk factors for duplex kidney development.
  • Understanding these genetic and molecular factors is crucial for diagnosing and potentially treating CAKUT.

Conclusions:

  • Duplex kidneys are a significant manifestation of CAKUT with diverse genetic underpinnings.
  • Further research into ureter development and genetic risk factors can improve clinical outcomes for CAKUT.
  • This review synthesizes current knowledge on the molecular etiology of duplex kidneys.