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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:...
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

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 access...
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...
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...

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Isolation and Characterization of Tumor-initiating Cells from Sarcoma Patient-derived Xenografts
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Sarcoma stem cells: do we know what we are looking for?

Matteo Trucco1, David Loeb

  • 1Division of Pediatric Oncology, Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, Bunting-Blaustein Cancer Research Building, Room 2M51, 1650 Orleans Street, Baltimore, MD 21231, USA.

Sarcoma
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PubMed
Summary
This summary is machine-generated.

This study reviews cancer stem cells in sarcomas, highlighting their role in tumor growth and relapse. It details methods and markers for identifying these crucial sarcoma stem cell populations.

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Area of Science:

  • Oncology
  • Cancer Biology
  • Stem Cell Research

Background:

  • Sarcomas are cancers originating from mesenchymal cells.
  • Cancer stem cells (CSCs) are implicated in sarcoma initiation, maintenance, and metastasis.
  • Identifying CSCs is key to understanding and treating sarcomas.

Purpose of the Study:

  • To summarize criteria for identifying sarcoma stem cell populations.
  • To describe prominent markers and techniques for isolating sarcoma CSCs.
  • To review existing evidence for CSCs in sarcomas.

Main Methods:

  • Literature review of sarcoma stem cell research.
  • Analysis of criteria for stem cell identification.
  • Summary of prominent CSC markers and isolation techniques.

Main Results:

  • Established criteria for defining stem cell populations.
  • Detailed prominent markers (e.g., CD markers) and techniques (e.g., flow cytometry, sphere formation assays).
  • Compiled evidence supporting the existence of CSCs across various sarcoma subtypes.

Conclusions:

  • Cancer stem cells are likely present in most sarcomas.
  • Specific markers and techniques are crucial for their identification and study.
  • Further research into sarcoma CSCs is vital for developing targeted therapies.