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Related Concept Videos

Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
Distinctive Features of Adult Stem Cells vs Cancer Stem Cells01:18

Distinctive Features of Adult Stem Cells vs Cancer Stem Cells

A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...

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Updated: May 21, 2026

Isolation and Characterization of a Head and Neck Squamous Cell Carcinoma Subpopulation Having Stem Cell Characteristics
11:28

Isolation and Characterization of a Head and Neck Squamous Cell Carcinoma Subpopulation Having Stem Cell Characteristics

Published on: May 11, 2016

Cancer stem cells: current status and evolving complexities.

Jane E Visvader1, Geoffrey J Lindeman2

  • 1VBCRC Laboratory, The Walter and Eliza Hall Institute of Medical Research, Melbourne, VIC 3052, Australia; University of Melbourne, Parkville, VIC 3050, Australia.

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

The cancer stem cell (CSC) model explains tumor heterogeneity but faces challenges. Targeting all CSC subsets is crucial for preventing cancer relapse.

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Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma

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Last Updated: May 21, 2026

Isolation and Characterization of a Head and Neck Squamous Cell Carcinoma Subpopulation Having Stem Cell Characteristics
11:28

Isolation and Characterization of a Head and Neck Squamous Cell Carcinoma Subpopulation Having Stem Cell Characteristics

Published on: May 11, 2016

Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies
07:29

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Published on: June 20, 2015

Establishment of Cancer Stem Cell Cultures from Human Conventional Osteosarcoma
09:25

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Area of Science:

  • Oncology
  • Cancer Biology
  • Cellular Mechanisms

Background:

  • The cancer stem cell (CSC) model explains tumor heterogeneity and function across various cancer types.
  • Recent findings reveal complexities including patient-specific CSC phenotypes, multiple distinct CSC populations within tumors, evolution of metastatic CSCs from primary CSCs, and reversible phenotypic plasticity of tumor cells.

Purpose of the Study:

  • To review the complexities and challenges associated with the cancer stem cell model.
  • To emphasize the clinical relevance and future directions for targeting cancer stem cells.

Main Methods:

  • Literature review of recent observations and evidence regarding cancer stem cells.
  • Analysis of the implications of CSC heterogeneity and plasticity for cancer treatment.

Main Results:

  • The CSC phenotype exhibits significant inter-patient variability.
  • Tumors can contain multiple phenotypically or genetically distinct CSCs.
  • Metastatic CSCs can emerge from primary CSCs, and tumor cells display reversible phenotypic changes.

Conclusions:

  • While the cancer stem cell concept has specific clinical relevance, targeting all CSC subsets is essential to prevent cancer relapse.
  • Future therapeutic strategies must address the multifaceted nature of CSCs to improve patient outcomes.