Selective apoptosis of pluripotent mouse and human stem cell by novel ceramide analogues prevents teratoma formation and enriches for neural precursors in ES cell-derived neural transplants

Erhard Bieberich, Maria J Silva, Guanghu Wang, Kannan Krishnamurthy, Brian G. Condie

Research output: Contribution to journalArticle

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Abstract

The formation of stem cell-derived tumors (teratomas) is observed when engrafting undifferentiated embryonic stem (ES) cells, embryoid body-derived cells (EBCs), or mammalian embryos and is a significant obstacle to stem cell therapy. We show that in tumors formed after engraftment of EBCs into mouse brain, expression of the pluripotency marker Oct-4 colocalized with that of prostate apoptosis response-4 (PAR-4), a protein mediating ceramide-induced apoptosis during neural differentiation of ES cells. We tested the ability of the novel ceramide analogue N-oleoyl serinol (S18) to eliminate mouse and human Oct-4(+)/PAR-4(+) cells and to increase the proportion of nestin(+) neuroprogenitors in EBC-derived cell cultures and grafts. S18-treated EBCs persisted in the hippocampal area and showed neuronal lineage differentiation as indicated by the expression of β-tubulin III. However, untreated cells formed numerous teratomas that contained derivatives of endoderm, mesoderm, and ectoderm. Our results show for the first time that ceramide-induced apoptosis eliminates residual, pluripotent EBCs, prevents teratoma formation, and enriches the EBCs for cells that undergo neural differentiation after transplantation.

Original languageEnglish (US)
Pages (from-to)723-734
Number of pages12
JournalJournal of Cell Biology
Volume167
Issue number4
DOIs
StatePublished - Nov 22 2004

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Ceramides
Teratoma
Embryonic Stem Cells
Embryoid Bodies
Stem Cells
Apoptosis
Transplants
Mammalian Embryo
Nestin
Endoderm
Ectoderm
Neoplastic Stem Cells
Mesoderm
Tubulin
Cell- and Tissue-Based Therapy
Prostate
Cell Culture Techniques
Transplantation
Brain

ASJC Scopus subject areas

  • Cell Biology

Cite this

Selective apoptosis of pluripotent mouse and human stem cell by novel ceramide analogues prevents teratoma formation and enriches for neural precursors in ES cell-derived neural transplants. / Bieberich, Erhard; Silva, Maria J; Wang, Guanghu; Krishnamurthy, Kannan; Condie, Brian G.

In: Journal of Cell Biology, Vol. 167, No. 4, 22.11.2004, p. 723-734.

Research output: Contribution to journalArticle

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