Identification of pluripotent and adult stem cell genes unrelated to cell cycle and associated with poor prognosis in multiple myeloma
Gene expression-based scores used to predict risk in cancer frequently include genes coding for DNA replication, repair or recombination. Using two independent cohorts of 206 and 345 previously-untreated patients with Multiple Myeloma (MM), we identified 50 cell cycle-unrelated genes overexpressed i...
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| Hauptverfasser: | , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
July 31, 2012
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| In: |
PLOS ONE
Year: 2012, Jahrgang: 7, Heft: 7 |
| ISSN: | 1932-6203 |
| DOI: | 10.1371/journal.pone.0042161 |
| Online-Zugang: | Verlag, kostenfrei, Volltext: http://dx.doi.org/10.1371/journal.pone.0042161 Verlag, kostenfrei, Volltext: http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0042161 
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| Verfasserangaben: | Alboukadel Kassambara, Dirk Hose, Jérôme Moreaux, Thierry Rème, Jennifer Torrent, Jean François Rossi, Hartmut Goldschmidt, Bernard Klein |
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| 245 | 1 | 0 | |a Identification of pluripotent and adult stem cell genes unrelated to cell cycle and associated with poor prognosis in multiple myeloma |c Alboukadel Kassambara, Dirk Hose, Jérôme Moreaux, Thierry Rème, Jennifer Torrent, Jean François Rossi, Hartmut Goldschmidt, Bernard Klein |
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| 520 | |a Gene expression-based scores used to predict risk in cancer frequently include genes coding for DNA replication, repair or recombination. Using two independent cohorts of 206 and 345 previously-untreated patients with Multiple Myeloma (MM), we identified 50 cell cycle-unrelated genes overexpressed in multiple myeloma cells (MMCs) compared to normal human proliferating plasmablasts and non-proliferating bone marrow plasma cells and which have prognostic value for overall survival. Thirty-seven of these 50 myeloma genes (74%) were enriched in genes overexpressed in one of 3 normal human stem cell populations - pluripotent (18), hematopoietic (10) or mesenchymal stem cells (9) - and only three genes were enriched in one of 5 populations of differentiated cells (memory B lymphocytes, T lymphocytes, polymorphonuclear cells, monocytes, osteoclasts). These 37 genes shared by MMCs and adult or pluripotent stem cells were used to build a stem cell score (SCscore), which proved to be strongly prognostic in the 2 independent cohorts of patients compared to other gene expression-based risk scores or usual clinical scores using multivariate Cox analysis. This finding highlights cell cycle-unrelated prognostic genes shared by myeloma cells and normal stem cells, whose products might be important for normal and malignant stem cell biology. | ||
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| 650 | 4 | |a Pluripotency | |
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