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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...
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...
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:...
Stem Cell Culture01:17

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...
Adult Stem Cells01:33

Adult Stem Cells

Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously renew...

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Processing of Primary Brain Tumor Tissue for Stem Cell Assays and Flow Sorting
08:14

Processing of Primary Brain Tumor Tissue for Stem Cell Assays and Flow Sorting

Published on: September 25, 2012

Brain tumor stem cells.

Zhigang Xie1

  • 1Department of Neurosurgery, Boston University School of Medicine, 720 Harrison Avenue, Suite 7600, Boston, MA 02118, USA. zhigang.xie@bmc.org

Neurochemical Research
|October 27, 2009
PubMed
Summary
This summary is machine-generated.

Brain tumor stem cells (BTSCs) drive cancer recurrence due to their resistance to standard treatments. Targeting BTSC self-renewal pathways and their vascular niche offers a promising strategy for novel brain cancer therapies.

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Area of Science:

  • Neuro-oncology
  • Cancer Stem Cell Biology
  • Molecular Oncology

Background:

  • Primary malignant brain cancer exhibits high recurrence rates, posing a significant clinical challenge.
  • Brain tumor stem cells (BTSCs), a subpopulation of tumor cells with stem-like properties, are hypothesized to be responsible for tumor recurrence.
  • Current treatments like surgery and chemoradiotherapy are often ineffective against BTSCs due to their infiltrative nature and resistance mechanisms.

Purpose of the Study:

  • To investigate the role of brain tumor stem cells (BTSCs) in malignant brain cancer recurrence.
  • To explore the cellular origins and self-renewal mechanisms of BTSCs.
  • To identify potential therapeutic targets for eliminating BTSCs and improving brain cancer treatment outcomes.

Main Methods:

  • Analysis of genetic data from Drosophila CNS neoplasia, mouse glioma models, and human glioma tissues.
  • Comparison of molecular marker expression and differentiation potential between BTSCs and neural stem cells (NSCs).
  • Review of evidence from rodent models implicating NSCs and neural progenitor cells (NPCs) as potential cell origins of brain tumors.

Main Results:

  • Genetic analyses reveal a link between increased NSC self-renewal and brain tumorigenesis.
  • Evidence suggests that oncogenic mutations in NSCs or NPCs may initiate brain tumorigenesis by converting them into BTSCs.
  • BTSC self-renewal is regulated by conserved signaling pathways and depends on an intact vascular niche.

Conclusions:

  • Brain tumor stem cells (BTSCs) are a critical factor in malignant brain cancer recurrence.
  • Understanding the origin and self-renewal of BTSCs, potentially from neural stem cells (NSCs) or neural progenitor cells (NPCs), is key to developing effective therapies.
  • Targeting the signaling pathways that control BTSC self-renewal and their vascular niche presents a promising therapeutic strategy for eradicating brain tumors.