SSEA-1 Is an Enrichment Marker for Tumor-Initiating Cells in Human Glioblastoma

Myung Jin Son, Kevin D Woolard, Do Hyun Nam, Jeongwu Lee, Howard A. Fine

Research output: Contribution to journalArticle

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Abstract

CD133+ populations of human glioblastoma multiforme (GBM) cells are reportedly enriched for tumor stem cells (TSCs) or tumor-initiating cells (TICs). Approximately 40% of freshly isolated GBM specimens, however, do not contain CD133+ tumor cells, raising the possibility that CD133 may not be a universal enrichment marker for GBM TSCs/TICs. Here we demonstrate that stage-specific embryonic antigen 1(SSEA-1/LeX)+ GBM cells fulfill the functional criteria for TSC/TIC, since (1) SSEA-1+ cells are highly tumorigenic in vivo, unlike SSEA-1- cells; (2) SSEA-1+ cells can give rise to both SSEA-1+ and SSEA-1- cells, thereby establishing a cellular hierarchy; and (3) SSEA-1+ cells have self-renewal and multilineage differentiation potentials. A distinct subpopulation of SSEA-1+ cells was present in all but one of the primary GBMs examined (n = 24), and most CD133+ tumor cells were also SSEA-1+, suggesting that SSEA-1 may be a general TSC/TIC enrichment marker in human GBMs.

Original languageEnglish (US)
Pages (from-to)440-452
Number of pages13
JournalCell Stem Cell
Volume4
Issue number5
DOIs
StatePublished - May 8 2009
Externally publishedYes

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CD15 Antigens
Neoplastic Stem Cells
Glioblastoma
Neoplasms

Keywords

  • STEMCELL

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Medicine
  • Genetics

Cite this

SSEA-1 Is an Enrichment Marker for Tumor-Initiating Cells in Human Glioblastoma. / Son, Myung Jin; Woolard, Kevin D; Nam, Do Hyun; Lee, Jeongwu; Fine, Howard A.

In: Cell Stem Cell, Vol. 4, No. 5, 08.05.2009, p. 440-452.

Research output: Contribution to journalArticle

Son, Myung Jin ; Woolard, Kevin D ; Nam, Do Hyun ; Lee, Jeongwu ; Fine, Howard A. / SSEA-1 Is an Enrichment Marker for Tumor-Initiating Cells in Human Glioblastoma. In: Cell Stem Cell. 2009 ; Vol. 4, No. 5. pp. 440-452.
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