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Updated: Apr 30, 2026

Mouse Embryonic Lung Culture, A System to Evaluate the Molecular Mechanisms of Branching

Mouse Embryonic Lung Culture, A System to Evaluate the Molecular Mechanisms of Branching

Published on: July 1, 2010

The branching programme of mouse lung development.

Ross J Metzger¹, Ophir D Klein, Gail R Martin

¹Department of Biochemistry and HHMI, Stanford University School of Medicine, Stanford, California 94305-5307, USA. ross.metzger@ucsf.edu

|May 9, 2008

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Researchers mapped the mouse bronchial tree

Area of Science:

Developmental biology
Systems biology
Morphogenesis

Background:

Mammalian lungs exhibit complex, branched airway networks essential for respiration.
Understanding lung development and the encoding of branching patterns is a long-standing biological and mathematical challenge.
Previous models were limited by incomplete data on branching sequences and patterns.

Purpose of the Study:

To present a comprehensive 3D reconstruction of the mouse bronchial tree's branching pattern and lineage.
To elucidate the stereotyped and elegant process of lung airway development.
To propose a model for the genetic control of lung branching.

Main Methods:

Analysis of hundreds of developmental intermediates of the mouse lung.
Three-dimensional reconstruction of the bronchial tree.

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Related Experiment Videos

Last Updated: Apr 30, 2026

Mouse Embryonic Lung Culture, A System to Evaluate the Molecular Mechanisms of Branching

Mouse Embryonic Lung Culture, A System to Evaluate the Molecular Mechanisms of Branching

Published on: July 1, 2010

Mouse Pneumonectomy Model of Compensatory Lung Growth

Mouse Pneumonectomy Model of Compensatory Lung Growth

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Generation of 3D Whole Lung Organoids from Induced Pluripotent Stem Cells for Modeling Lung Developmental Biology and Disease

Generation of 3D Whole Lung Organoids from Induced Pluripotent Stem Cells for Modeling Lung Developmental Biology and Disease

Published on: April 12, 2021

Identification of branching modes and their spatial and temporal distribution.

Main Results:

The complete 3D branching pattern and lineage of the mouse bronchial tree were reconstructed.
Lung branching follows a remarkably stereotyped process using three simple local branching modes.
These modes are organized hierarchically and modularly, controlled by genetic subroutines.

Conclusions:

Lung development is governed by a hierarchical and modular genetic program.
This program utilizes simple, repeated branching modes for generating complex lung architecture.
The identified branching program is genetically tractable and suitable for evolutionary adaptation.