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Cancer Stem Cells and Tumor Maintenance

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 Maintenance

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 Cells

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:...

Stem Cell Therapy for Tissue Regeneration

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...

Adaptive Mechanisms in Cancer Cells

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 Cells

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,...

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Related Experiment Video

Updated: Jul 10, 2026

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

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

Published on: May 11, 2016

[Cancer stem cell].

Hiroyuki Sakashita¹, Keisuke Ieta, Naotsugu Haraguchi

¹Dept. of Molecular and Surgical Oncology, Medical Institute of Bioregulation, Kyushu University, Japan.

Gan to Kagaku Ryoho. Cancer & Chemotherapy

|November 22, 2007

Summary

Cancer stem cells possess self-renewal and differentiation abilities, driving tumor initiation and maintenance. Targeting these cells and their niche offers promising therapeutic strategies for cancer relapse and resistance.

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Last Updated: Jul 10, 2026

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

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Published on: May 11, 2016

Obtaining Cancer Stem Cell Spheres from Gynecological and Breast Cancer Tumors

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Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies

Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies

Published on: June 20, 2015

Area of Science:

Oncology
Stem Cell Biology

Context:

A subpopulation of cells with stem cell properties exists in solid cancers, similar to leukemia.
These cancer stem cells (CSCs) are capable of self-renewal and multi-potential differentiation, initiating and sustaining tumors.

Purpose:

To review the isolation, identification, and therapeutic targeting of cancer stem cells in solid tumors.
To discuss the role of CSCs in tumor recurrence, metastasis, and resistance to conventional therapies.

Summary:

Cancer stem cells originate from normal stem cells, progenitor cells, or bone marrow-derived cells.
Isolation methods include surface markers, sphere culture, side population analysis (FACS), and serial transplantation in animal models.
CSCs are implicated in disease relapse, metastasis, and resistance to radiation and chemotherapy, with the stem cell niche playing a crucial role.

Impact:

Understanding CSCs is vital for developing novel cancer therapies.
Therapeutic strategies include antibody-based treatments, signal inhibitors, overcoming resistance mechanisms, and differentiation therapy.
Targeting the stem cell niche presents another promising avenue for cancer treatment.