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Related Concept Videos

Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

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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...
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Distinctive Features of Adult Stem Cells vs Cancer Stem Cells01:18

Distinctive Features of Adult Stem Cells vs Cancer Stem Cells

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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:...
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Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

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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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What is Cancer?02:12

What is Cancer?

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Cells and tissues must meticulously coordinate their activities for the normal functioning of the human body. Therefore, they exhibit socially responsible behavior - resting, growing, dividing, differentiating, or dying - for the organism’s benefit. Cancer arises when cells divide uncontrollably and invade other tissues or organs.
Although people have known about cancer for centuries, it was only in 1761 that Giovanni Morgagni of Padua performed a detailed autopsy of...
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Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

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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...
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Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

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Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their...
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Related Experiment Video

Updated: Jun 9, 2025

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

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Cancer stem cells: Masters of all traits.

Lionel Y W Leck1, Yomna S Abd El-Aziz2, Kelly J McKelvey3

  • 1Bill Walsh Translational Cancer Research Laboratory, Kolling Institute, Faculty of Medicine and Health, The University of Sydney, St Leonards, NSW, Australia; Cancer Drug Resistance & Stem Cell Program, School of Medical Science, Faculty of Medicine and Health, The University of Sydney, Camperdown, NSW, Australia.

Biochimica Et Biophysica Acta. Molecular Basis of Disease
|October 25, 2024
PubMed
Summary

Cancer stem cells (CSCs) drive tumor growth and resistance to therapy. Understanding CSCs is crucial for developing new treatments against aggressive cancers.

Keywords:
ApoptosisCancer stem cellsHeterogeneityImmunosurveillanceMetabolismMetastasisPlasticityQuiescenceSelf-renewalTumor microenvironment

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Studying Pancreatic Cancer Stem Cell Characteristics for Developing New Treatment Strategies
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Related Experiment Videos

Last Updated: Jun 9, 2025

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

  • Oncology
  • Cancer Biology
  • Tumor Microenvironment

Background:

  • Cancer is a heterogeneous disease characterized by genetic and phenotypic diversity within tumors.
  • Intratumoral heterogeneity allows cancer cells to adapt to microenvironments and therapeutic pressures.
  • Cancer stem cells (CSCs) are a critical subpopulation driving tumor initiation, progression, and therapeutic resistance.

Purpose of the Study:

  • To review current evidence on the pivotal role of CSCs in aggressive cancers.
  • To discuss CSC traits and characteristics in relation to tumor aggressiveness.
  • To highlight CSC biology's implications for novel therapeutic strategies.

Main Methods:

  • Literature review of current evidence on cancer stem cells.
  • Analysis of CSC roles in tumor progression and therapeutic evasion.
  • Synthesis of insights into CSC biology and therapeutic development.

Main Results:

  • CSCs contribute significantly to the aggressive traits of various cancer types.
  • CSCs evade immunosurveillance and conventional anti-cancer therapies.
  • CSCs represent a key target for overcoming therapeutic failure in aggressive cancers.

Conclusions:

  • CSCs are central to aggressive tumor phenotypes, immune evasion, and treatment resistance.
  • Further understanding of CSC biology is essential for advancing cancer therapy.
  • Targeting CSCs holds promise for improving outcomes in aggressive cancers.