Abstract
There is now compelling evidence that brain tumors harbor a small population of cells characterized by their ability to undergo self-renewal and initiate tumors, termed cancer stem cells (CSCs). The development of therapeutic strategies targeted towards CSC signaling may improve the treatment of brain tumors such as malignant gliomas and medulloblastomas. Here we review the role of cancer stem cells in glioma and medulloblastoma and some of the signaling mechanisms involved in brain tumor stem cell (BTSC) biology, and discuss how these signaling pathways may represent new stem cell targets for the treatment of brain tumors. In addition, we provide illustrative immunohistochemical data on the presence of BTSCs in human gliomas and medulloblastomas, and show preliminary findings suggesting the involvement of a GPCR, the gastrin-releasing peptide receptor (GRPR), in the expansion of BTSCs in vitro.
Keywords: Cell signaling, neural stem cells, cancer stem cells, glioma, medulloblastoma, brain tumors
Current Stem Cell Research & Therapy
Title: Cancer Stem Cells and the Biology of Brain Tumors
Volume: 4 Issue: 4
Author(s): Debora Gazzana Flores, Pitia Flores Ledur, Ana Lucia Abujamra, Algemir Lunardi Brunetto, Gilberto Schwartsmann, Guido Lenz and Rafael Roesler
Affiliation:
Keywords: Cell signaling, neural stem cells, cancer stem cells, glioma, medulloblastoma, brain tumors
Abstract: There is now compelling evidence that brain tumors harbor a small population of cells characterized by their ability to undergo self-renewal and initiate tumors, termed cancer stem cells (CSCs). The development of therapeutic strategies targeted towards CSC signaling may improve the treatment of brain tumors such as malignant gliomas and medulloblastomas. Here we review the role of cancer stem cells in glioma and medulloblastoma and some of the signaling mechanisms involved in brain tumor stem cell (BTSC) biology, and discuss how these signaling pathways may represent new stem cell targets for the treatment of brain tumors. In addition, we provide illustrative immunohistochemical data on the presence of BTSCs in human gliomas and medulloblastomas, and show preliminary findings suggesting the involvement of a GPCR, the gastrin-releasing peptide receptor (GRPR), in the expansion of BTSCs in vitro.
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Cite this article as:
Flores Gazzana Debora, Ledur Flores Pitia, Abujamra Lucia Ana, Brunetto Lunardi Algemir, Schwartsmann Gilberto, Lenz Guido and Roesler Rafael, Cancer Stem Cells and the Biology of Brain Tumors, Current Stem Cell Research & Therapy 2009; 4 (4) . https://dx.doi.org/10.2174/157488809789649214
DOI https://dx.doi.org/10.2174/157488809789649214 |
Print ISSN 1574-888X |
Publisher Name Bentham Science Publisher |
Online ISSN 2212-3946 |
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