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A stochastic model for cancer stem cell origin in metastatic colon cancer
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
ID
1193700
Author(s)
Odoux, Christine; Fohrer, Helene; Hoppo, Toshitaka; Guzik, Lynda; Stolz, Donna Beer; Lewis, Dale W; Gollin, Susanne M; Gamblin, T Clark; Geller, David A; Lagasse, Eric
A stochastic model for cancer stem cell origin in metastatic colon cancer
Journal
Cancer research
Volume
68
Number
17
Pages / Article-Number
6932-41
Abstract
Human cancers have been found to include transformed stem cells that may drive cancer progression to metastasis. Here, we report that metastatic colon cancer contains clonally derived tumor cells with all of the critical properties expected of stem cells, including self-renewal and the ability to differentiate into mature colon cells. Additionally, when injected into mice, these cells initiated tumors that closely resemble human cancer. Karyotype analyses of parental and clonally derived tumor cells expressed many consistent (clonal) along with unique chromosomal aberrations, suggesting the presence of chromosomal instability in the cancer stem cells. Thus, this new model for cancer origin and metastatic progression includes features of both the hierarchical model for cancerous stem cells and the stochastic model, driven by the observation of chromosomal instability.
