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Significance of CD90 + Cancer Stem Cells in Human Liver Cancer
Ist Teil von
Cancer cell, 2008-02, Vol.13 (2), p.153-166
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2008
Quelle
EZB-FREE-00999 freely available EZB journals
Beschreibungen/Notizen
This study characterized cancer stem cells (CSCs) in hepatocellular carcinoma (HCC) cell lines, tumor specimens, and blood samples. The CD90
+ cells, but not the CD90
− cells, from HCC cell lines displayed tumorigenic capacity. All the tumor specimens and 91.6% of blood samples from liver cancer patients bore the CD45
−CD90
+ population, which could generate tumor nodules in immunodeficient mice. The CD90
+CD44
+ cells demonstrated a more aggressive phenotype than the CD90
+CD44
− counterpart and formed metastatic lesions in the lung of immunodeficient mice. CD44 blockade prevented the formation of local and metastatic tumor nodules by the CD90
+ cells. Differential gene expression profiles were identified in the CD45
−CD90
+ and CD45
−CD90
− cells isolated from tissue and blood samples from liver cancer patients and controls.