Identification and expansion of human colon-cancer-initiating cells

Lucia Ricci-Vitiani, Dario G. Lombardi, Emanuela Pilozzi, Mauro Biffoni, Matilde Todaro, Cesare Peschle, Ruggero De Maria

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Abstract

Colon carcinoma is the second most common cause of death from cancer. The isolation and characterization of tumorigenic colon cancer cells may help to devise novel diagnostic and therapeutic procedures. Although there is increasing evidence that a rare population of undifferentiated cells is responsible for tumour formation and maintenance, this has not been explored for colorectal cancer. Here, we show that tumorigenic cells in colon cancer are included in the high-density CD133 + population, which accounts for about 2.5% of the tumour cells. Subcutaneous injection of colon cancer CD133 + cells readily reproduced the original tumour in immunodeficient mice, whereas CD133 - cells did not form tumours. Such tumours were serially transplanted for several generations, in each of which we observed progressively faster tumour growth without significant phenotypic alterations. Unlike CD133 - cells, CD133 + colon cancer cells grew exponentially for more than one year in vitro as undifferentiated tumour spheres in serum-free medium, maintaining the ability to engraft and reproduce the same morphological and antigenic pattern of the original tumour. We conclude that colorectal cancer is created and propagated by a small number of undifferentiated tumorigenic CD133 + cells, which should therefore be the target of future therapies.

Original languageEnglish
Pages (from-to)111-115
Number of pages5
JournalNature
Volume445
Issue number7123
DOIs
Publication statusPublished - Jan 4 2007

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Forensic Anthropology
Colonic Neoplasms
Neoplasms
Colorectal Neoplasms
Serum-Free Culture Media
Subcutaneous Injections
Population Density
Cause of Death
Colon
Maintenance
Carcinoma

ASJC Scopus subject areas

  • General

Cite this

Ricci-Vitiani, L., Lombardi, D. G., Pilozzi, E., Biffoni, M., Todaro, M., Peschle, C., & De Maria, R. (2007). Identification and expansion of human colon-cancer-initiating cells. Nature, 445(7123), 111-115. https://doi.org/10.1038/nature05384

Identification and expansion of human colon-cancer-initiating cells. / Ricci-Vitiani, Lucia; Lombardi, Dario G.; Pilozzi, Emanuela; Biffoni, Mauro; Todaro, Matilde; Peschle, Cesare; De Maria, Ruggero.

In: Nature, Vol. 445, No. 7123, 04.01.2007, p. 111-115.

Research output: Contribution to journalArticle

Ricci-Vitiani, L, Lombardi, DG, Pilozzi, E, Biffoni, M, Todaro, M, Peschle, C & De Maria, R 2007, 'Identification and expansion of human colon-cancer-initiating cells', Nature, vol. 445, no. 7123, pp. 111-115. https://doi.org/10.1038/nature05384
Ricci-Vitiani L, Lombardi DG, Pilozzi E, Biffoni M, Todaro M, Peschle C et al. Identification and expansion of human colon-cancer-initiating cells. Nature. 2007 Jan 4;445(7123):111-115. https://doi.org/10.1038/nature05384
Ricci-Vitiani, Lucia ; Lombardi, Dario G. ; Pilozzi, Emanuela ; Biffoni, Mauro ; Todaro, Matilde ; Peschle, Cesare ; De Maria, Ruggero. / Identification and expansion of human colon-cancer-initiating cells. In: Nature. 2007 ; Vol. 445, No. 7123. pp. 111-115.
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