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Related Experiment Video

Updated: Oct 12, 2025

Generation of 3D Whole Lung Organoids from Induced Pluripotent Stem Cells for Modeling Lung Developmental Biology and Disease
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Developmental Pathways Underlying Lung Development and Congenital Lung Disorders.

Inês Caldeira1,2, Hugo Fernandes-Silva1,2,3, Daniela Machado-Costa1,2

  • 1Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, 4710-057 Braga, Portugal.

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|November 27, 2021
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Summary
This summary is machine-generated.

Normal lung development relies on precise signaling pathways. Disruptions can cause congenital lung abnormalities, impacting survival and function, with molecular mechanisms still under investigation.

Keywords:
bronchogenic cystsbronchopulmonary sequestrationcongenital diaphragmatic hernia (CDH)congenital malformationscongenital pulmonary airway malformation (CPAM)

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Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Genetics

Background:

  • Lung organogenesis is a complex, regulated process essential for postnatal survival.
  • Aberrant lung development leads to congenital abnormalities affecting lifelong respiratory health.
  • The precise molecular underpinnings of many lung malformations remain incompletely understood.

Purpose of the Study:

  • To review the molecular mechanisms governing normal lung growth and development.
  • To explore how disruptions in these pathways lead to congenital lung abnormalities.
  • To discuss the impact of developmental defects on postnatal survival and lung function.

Main Methods:

  • Literature review of developmental biology and molecular genetics studies.
  • Analysis of conserved signaling pathways involved in lung formation.
  • Examination of genetic and molecular factors implicated in lung malformations.

Main Results:

  • Key signaling pathways (e.g., Wnt, Shh, FGF) are critical for lung patterning, branching, and alveolarization.
  • Deregulated expression or function of these pathways contributes to conditions like congenital pulmonary airway malformation and congenital diaphragmatic hernia.
  • Specific molecular events during development directly correlate with the severity of lung abnormalities and postnatal outcomes.

Conclusions:

  • Understanding the molecular basis of lung organogenesis is crucial for diagnosing and potentially treating congenital lung diseases.
  • Further research into deregulated developmental pathways can elucidate the etiology of lung malformations.
  • Targeting molecular mechanisms may offer future therapeutic strategies for improving lung development and postnatal survival.