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Related Concept Videos

Stem Cell Culture01:17

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
Multipotency of Hematopoietic Stem Cells01:19

Multipotency of Hematopoietic Stem Cells

The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell types that...
Source And Potency Of Stem Cells01:27

Source And Potency Of Stem Cells

Stem cells are undifferentiated cells with extensive self-renewal properties that help them maintain their population during the fetal and adult stages of life. They can specialize in all cell types of the human body. However, their differential potential may vary and can be classified into five types. Stem cells can be (1) Totipotent, (2) Pluripotent, (3) Multipotent, (4) Oligopotent, and (5) Unipotent. Each stem cell has a specific origin; the fertilized egg or zygote is a totipotent cell and...
Adult Stem Cells01:33

Adult Stem Cells

Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously renew...
Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...

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Updated: May 13, 2026

Isolation & Characterization of Hoechstlow CD45negative Mouse Lung Mesenchymal Stem Cells
16:55

Isolation & Characterization of Hoechstlow CD45negative Mouse Lung Mesenchymal Stem Cells

Published on: October 26, 2011

Lung stem cells: do they exist?

Ivan Bertoncello1, Jonathan L McQualter

  • 1Lung Health Research Centre, Department of Pharmacology, Lung Health Research Centre, University of Melbourne, Melbourne, Victoria, Australia. ivanb@unimelb.edu.au

Respirology (Carlton, Vic.)
|February 26, 2013
PubMed
Summary
This summary is machine-generated.

Adult lung stem cells offer promise for treating lung diseases. Research is identifying these regenerative cells, their regulation, and potential applications in lung regenerative medicine.

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Area of Science:

  • Pulmonary Medicine
  • Regenerative Medicine
  • Stem Cell Biology

Background:

  • Intractable lung diseases necessitate novel therapeutic strategies.
  • Adult stem and progenitor cells are crucial for tissue regeneration and repair.
  • Understanding the lung's microenvironment is key to harnessing regenerative potential.

Purpose of the Study:

  • To review the attributes and regulation of adult stem and progenitor cells in the lung.
  • To discuss models and methods for studying lung stem cells.
  • To summarize progress and challenges in lung regenerative medicine.

Main Methods:

  • Review of existing literature on adult stem cells in various organs.
  • Analysis of experimental models, cell separation techniques, and functional assays.
  • Examination of studies on endogenous lung epithelial stem and progenitor cells.

Main Results:

  • Adult stem cells possess regenerative potential influenced by their microenvironment.
  • Various models and assays have limitations in fully capturing lung stem cell dynamics.
  • Defining endogenous lung epithelial stem and progenitor cells remains an active area of research.

Conclusions:

  • Stem cell-based therapies hold significant promise for intractable lung diseases.
  • Further research is needed to overcome obstacles in identifying and utilizing lung stem cells.
  • Translational studies are essential for advancing lung regenerative medicine.