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Related Concept Videos

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...
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...
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...
Tissue Renewal without Stem Cells01:23

Tissue Renewal without Stem Cells

After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
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...

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Related Experiment Video

Updated: May 21, 2026

High Efficiency Differentiation of Human Pluripotent Stem Cells to Cardiomyocytes and Characterization by Flow Cytometry
13:13

High Efficiency Differentiation of Human Pluripotent Stem Cells to Cardiomyocytes and Characterization by Flow Cytometry

Published on: September 23, 2014

Tissue stem cells: new tools and functional diversity.

Markus Grompe1

  • 1Papé Family Pediatric Research Institute, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Mail Code L321, Portland, OR 97239-3098, USA.

Cell Stem Cell
|June 19, 2012
PubMed
Summary
This summary is machine-generated.

Advances in adult tissue stem cell research reveal diverse roles and eliminate rigid definitions. Stem cell features like label retention and quiescence are not always required, challenging the traditional "one size fits all" paradigm.

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Developing 3D Organized Human Cardiac Tissue within a Microfluidic Platform
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Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes

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Last Updated: May 21, 2026

High Efficiency Differentiation of Human Pluripotent Stem Cells to Cardiomyocytes and Characterization by Flow Cytometry
13:13

High Efficiency Differentiation of Human Pluripotent Stem Cells to Cardiomyocytes and Characterization by Flow Cytometry

Published on: September 23, 2014

Developing 3D Organized Human Cardiac Tissue within a Microfluidic Platform
10:42

Developing 3D Organized Human Cardiac Tissue within a Microfluidic Platform

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Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes
10:48

Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes

Published on: April 12, 2015

Area of Science:

  • Cell Biology
  • Regenerative Medicine
  • Oncology

Background:

  • Understanding adult tissue stem cells is crucial for regenerative medicine and cancer research.
  • Recent technological breakthroughs have significantly improved our ability to study these cells.

Purpose of the Study:

  • To discuss how new methods have reshaped our understanding of adult tissue stem cell functions.
  • To highlight the evolving concepts of stem cell characteristics and tissue-specific roles.

Main Methods:

  • Genetic lineage tracing
  • Fluorescence-activated cell sorting (FACS) purification
  • In vitro clonogenic assays

Main Results:

  • Traditional stem cell features like label retention and quiescence are not universally obligatory.
  • Some tissues possess multiple stem cell types, activated under specific regenerative conditions.
  • The concept of a single, universal adult tissue stem cell model is no longer applicable.

Conclusions:

  • The paradigm of adult tissue stem cells is more complex and varied than previously thought.
  • Future research should consider the heterogeneity and context-dependent behavior of stem cells in different organs.