Bronchoalveolar Stem Cells
Bronchoalveolar Stem Cells - Related Videos
07:03
Bronchoalveolar Lavage of Murine Lungs to Analyze Inflammatory Cell Infiltration
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Cited by 155 •
2017
The health status of the lung is reflected by the type and number of immune cells that are present in the bronchioles of the lung. We describe a bronchoalveolar lavage technique that allows the isolation and study of nonadherent cells and soluble factors from the lower respiratory tract of mice.
22:06
Derivation of Hematopoietic Stem Cells from Murine Embryonic Stem Cells
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Cited by 8 •
2007
This protocol details the derivation of transplantable hematopoietic stem cells from mouse embryonic stem cells (ESC) and their subsequent injection into lethally irradiated recipient mice. Briefly, ESC are differentiated as embryoid bodies, which are then infected with retroviral HoxB4 and co-cultured with OP9 stromal cells and hematopoietic cytokines.
03:03
Identification and Enumeration of Immune Cells in Bronchoalveolar Lavage Fluid by Flow Cytometry
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2025
This video demonstrates the use of flow cytometry to identify and count various immune cells in bronchoalveolar lavage fluid. Initially, single immune cells are identified using a viability dye, followed by differential staining of surface marker proteins, enabling the precise enumeration of each cell type.
11:47
Bronchoalveolar Lavage (BAL) for Research; Obtaining Adequate Sample Yield
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Cited by 47 •
2014
We describe a research technique for fiberoptic bronchoscopy and bronchoalveolar lavage using low pressure suction. The technique is used to harvest immune cells from the lung bronchoalveolar surfaces. Local anesthetic and mild conscious sedation (midazolam) is used. Subjects tolerate the procedure well and experience minimal side effects.
20:38
Isolation and Transplantation of Hematopoietic Stem Cells (HSCs)
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Cited by 31 •
2007
FAQs
The combination of these markers suggests that the cells may share characteristics with both bronchiolar and alveolar epithelial populations. This dual-marker profile helps researchers investigate whether a single progenitor population can respond to local lung demands and produce more than one epithelial lineage. It also provides a basis for identifying candidate cells in studies of repair and epithelial plasticity.
After epithelial injury, these candidate progenitors proliferate before differentiating toward bronchiolar or alveolar lineages. The sequence is significant because it links cell expansion with subsequent restoration of different epithelial compartments. Studying this response helps clarify whether bronchoalveolar stem cells actively support repair, how their fate changes after damage, and whether injury reveals properties that are less apparent in healthy tissue.
Epithelial plasticity refers to the capacity of candidate progenitor cells to change their developmental behavior in response to tissue needs. In this context, researchers examine whether cells associated with the bronchioalveolar duct junction can contribute to distinct bronchiolar or alveolar outcomes. This question is central to determining whether their apparent multipotential behavior represents a genuine repair function or a context-dependent response.
Lineage tracing allows researchers to examine the descendants of candidate bronchoalveolar stem cells after identifying them through their marker profile. By following those descendants during epithelial injury and repair, investigators can assess whether the cells contribute to bronchiolar, alveolar, or both types of tissue. The approach therefore tests proposed regenerative roles in tissue rather than relying only on marker expression.
Organoid culture provides an experimental setting for examining the growth and differentiation potential of candidate bronchoalveolar stem cells outside intact lung tissue. Researchers can use this system alongside marker analysis to study whether the cells generate epithelial structures or show lineage-associated behavior. These observations complement injury models by helping investigate cellular potential and mechanisms of epithelial regeneration.
Injury models create a context in which epithelial maintenance and repair can be examined directly. They help researchers determine whether candidate bronchoalveolar stem cells proliferate and contribute to restoration after damage, rather than merely being present near the bronchioalveolar duct junction. Such models also connect regeneration research with questions about epithelial plasticity, pulmonary repair, and disease.
The proposed regenerative behavior of these cells makes them relevant to research on the origins of lung tumors. Lineage tracing, organoid culture, and injury models can be used to examine how candidate progenitors behave in healthy and diseased tissue. Clarifying their exact contribution may show whether their repair-associated properties also help explain disease-related epithelial changes or tumor development.