Related Experiment Video

Updated: Jun 19, 2026

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

Cancer stem cells and the biology of brain tumors

Debora Gazzana Flores1, Pitia Flores Ledur, Ana Lucia Abujamra

  • 1Department of Biophysics, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 9500, Predio 43431, Sala 107, 91501-970, Porto Alegre, RS, Brazil.

Current Stem Cell Research & Therapy
|October 7, 2009
PubMed

Insights

Cancer stem cells (CSCs) drive brain tumor growth. Targeting their signaling pathways, like the gastrin-releasing peptide receptor (GRPR), offers new therapeutic strategies for malignant gliomas and medulloblastomas.

Area of Science:

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

Background:

  • Brain tumors contain cancer stem cells (CSCs) responsible for tumor initiation and self-renewal.
  • Targeting CSC signaling pathways is crucial for developing effective brain tumor treatments.
  • Malignant gliomas and medulloblastomas are key brain tumor types where CSCs play a significant role.

Purpose of the Study:

  • To review the role of CSCs in glioma and medulloblastoma.
  • To explore signaling mechanisms in brain tumor stem cell (BTSC) biology.
  • To identify potential new therapeutic targets for brain tumors based on BTSC signaling.

Main Methods:

  • Literature review of CSCs in brain tumors.
  • Immunohistochemical analysis of BTSCs in human glioma and medulloblastoma samples.
  • In vitro experiments investigating the role of gastrin-releasing peptide receptor (GRPR) in BTSC expansion.

Main Results:

  • CSCs are a critical component of brain tumors like gliomas and medulloblastomas.
  • Specific signaling pathways are implicated in BTSC biology and expansion.
  • Preliminary data suggest the gastrin-releasing peptide receptor (GRPR) is involved in BTSC expansion in vitro.

Conclusions:

  • Understanding BTSC biology is key to advancing brain tumor therapeutics.
  • Signaling pathways, including GRPR, represent promising targets for novel anti-brain tumor strategies.
  • Targeted therapies against CSCs hold potential for improved treatment outcomes in malignant gliomas and medulloblastomas.

More Related Videos

Imaging Glioma Initiation In Vivo Through a Polished and Reinforced Thin-skull Cranial Window09:44

Imaging Glioma Initiation In Vivo Through a Polished and Reinforced Thin-skull Cranial Window

Published on: November 20, 2012

Evaluation of Cancer Stem Cell Migration Using Compartmentalizing Microfluidic Devices and Live Cell Imaging09:36

Evaluation of Cancer Stem Cell Migration Using Compartmentalizing Microfluidic Devices and Live Cell Imaging

Published on: December 23, 2011

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:...
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,...
The Tumor Microenvironment02:17

The Tumor Microenvironment

Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
Cancer02:18

Cancer

Cancers arise due to mutations in genes involved in the regulation of cell division, which leads to unrestricted cell proliferation. Modern science and medicine have made great strides in the understanding and treatment of cancer, including eradicating cancer in some patients. However, there is still no cure for cancer. This is largely due to the fact that cancer is a large group of many diseases.