Lung Regenerative Biology
Lung Regenerative Biology - Related Videos
09:23
Harmonic Nanoparticles for Regenerative Research
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Cited by 1 •
2014
Protocol details are provided for in vitro labeling human embryonic stem cells with second harmonic generating nanoparticles. Methodologies for hESC investigation by multi-photon microscopy and their differentiation into cardiac clusters are also presented.
11:19
An Introduction to Stem Cell Biology
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2023
Cells that can differentiate into a variety of cell types, known as stem cells, are at the center of one of the most exciting fields of science today. Stem cell biologists are working to understand the basic mechanisms that regulate how these cells function. These researchers are also interested in harnessing the remarkable potential of stem cells to treat human diseases. Here, JoVE presents an introduction to the captivating world of stem cell biology. We begin with a timeline of landmark...
08:16
Neonatal Cardiac Scaffolds: Novel Matrices for Regenerative Studies
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Cited by 3 •
2016
In these studies, we provide methodology for novel, neonatal, murine cardiac scaffolds for use in regenerative studies.
09:45
Generation of 3D Whole Lung Organoids from Induced Pluripotent Stem Cells for Modeling Lung Developmental Biology and Disease
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Cited by 18 •
2021
The article describes step wise directed differentiation of induced pluripotent stem cells to three-dimensional whole lung organoids containing both proximal and distal epithelial lung cells along with mesenchyme.
11:28
3D Microtissues for Injectable Regenerative Therapy and High-throughput Drug Screening
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Cited by 7 •
2017
This protocol describes the fabrication of elastic 3D macroporous microcryogels by integrating microfabrication with cryogelation technology. Upon loading with cells, 3D microtissues are generated, which can be readily injected in vivo to facilitate regenerative therapy or assembled into arrays for in vitro high-throughput drug screening.
FAQs
Repair depends on interactions among resident stem and progenitor cells, epithelial cells, mesenchymal cells, and immune signals rather than on one cell type acting alone. Stem and progenitor populations can supply new cells, while epithelial and mesenchymal cells contribute to rebuilding tissue organization. Immune signals help shape the response, making cell-to-cell coordination central to whether damaged lung structure is restored.
Several linked processes determine how lung tissue responds after injury: proliferation increases relevant cell numbers, differentiation generates specialized cell types, migration positions cells where repair is needed, and extracellular matrix remodeling changes the surrounding structural framework. Molecular pathways regulate these events in a coordinated sequence. Studying their relationship helps explain how repair can preserve airway and alveolar architecture.
Repair does not always produce the same outcome. When cellular responses and matrix remodeling remain coordinated, tissue restoration may succeed; when the response becomes dysregulated, repair can progress toward fibrosis. Comparing these outcomes allows investigators to examine how epithelial, mesenchymal, and immune contributions influence structural recovery. This distinction is important for understanding chronic respiratory disease and failed regeneration.
Organoids, lineage-tracing studies, and engineered tissue models provide complementary ways to study lung regeneration. Organoids can model aspects of airway or alveolar development and repair, lineage tracing can follow the contributions of selected cell populations, and engineered tissues can examine regeneration within designed tissue contexts. Together, these systems connect cellular behavior with changes in lung structure and maturation.
Developmental biology uses regenerative principles to connect injury repair with normal lung formation. Researchers can compare how airway and alveolar structures form and mature with how those structures respond to damage. This comparison highlights shared requirements for proliferation, differentiation, migration, and matrix remodeling, while also clarifying why developmental programs may support restoration in some settings but not prevent fibrosis in others.
Findings from lung regenerative biology can inform research on congenital lung disorders, chronic respiratory disease, and future regenerative therapies. Developmental studies provide context for abnormal formation, while repair studies address how mature tissue responds to damage. Evidence from organoids, lineage tracing, and engineered tissue models can therefore guide questions about disease mechanisms and the feasibility of rebuilding functional lung structures.