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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,...
Treatment Resistant Cancers02:56

Treatment Resistant Cancers

Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...

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Related Experiment Video

Updated: May 16, 2026

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

Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies

Published on: June 20, 2015

Complexity of cancer stem cells.

Eiji Sugihara1, Hideyuki Saya

  • 1Division of Gene Regulation, Institute for Advanced Medical Research, School of Medicine, Keio University, Tokyo, Japan.

International Journal of Cancer
|November 28, 2012
PubMed
Summary

Cancer stem cells (CSCs) drive tumor organization and heterogeneity. Recent research reveals complexities in CSCs, impacting therapeutic strategies for cancer.

Area of Science:

  • Oncology
  • Stem Cell Biology
  • Cancer Research

Background:

  • Tumor heterogeneity is explained by cancer stem cells (CSCs) that self-renew and differentiate.
  • CSCs are identified across various human tumors, mirroring normal stem cell biology.
  • Mouse models offer insights into CSC characteristics and novel therapeutic targets.

Purpose of the Study:

  • To review the discovery and characterization of CSCs.
  • To discuss recent advances in understanding CSC complexity.
  • To explore the therapeutic implications of CSC research.

Main Methods:

  • Literature review of CSC research.
  • Analysis of studies on normal tissue stem cells.
  • Examination of findings from mouse cancer models.

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Obtaining Cancer Stem Cell Spheres from Gynecological and Breast Cancer Tumors
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Obtaining Cancer Stem Cell Spheres from Gynecological and Breast Cancer Tumors

Published on: March 1, 2020

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

Related Experiment Videos

Last Updated: May 16, 2026

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

Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies

Published on: June 20, 2015

Obtaining Cancer Stem Cell Spheres from Gynecological and Breast Cancer Tumors
07:01

Obtaining Cancer Stem Cell Spheres from Gynecological and Breast Cancer Tumors

Published on: March 1, 2020

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

Main Results:

  • CSCs are crucial for tumor organization and heterogeneity.
  • Advances have revealed complexities like CSC plasticity and clonal diversity.
  • These complexities necessitate revisions to the original CSC model.

Conclusions:

  • The understanding of CSCs has evolved significantly.
  • Complexities in CSCs present challenges and opportunities for cancer therapy.
  • Further research is vital for developing effective CSC-targeted treatments.