Development of a clinically-precise mouse model of rectal cancer

Hiroyuki Kishimoto, Masashi Momiyama, Ryoichi Aki, Hiroaki Kimura, Atsushi Suetsugu, Michael Bouvet, Toshiyoshi Fujiwara, Robert M. Hoffman

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Currently-used rodent tumor models, including transgenic tumor models, or subcutaneously growing tumors in mice, do not sufficiently represent clinical cancer. We report here development of methods to obtain a highly clinically-accurate rectal cancer model. This model was established by intrarectal transplantation of mouse rectal cancer cells, stably expressing green fluorescent protein (GFP), followed by disrupting the epithelial cell layer of the rectal mucosa by instilling an acetic acid solution. Early-stage tumor was detected in the rectal mucosa by 6 days after transplantation. The tumor then became invasive into the submucosal tissue. The tumor incidence was 100% and mean volume (±SD) was 1232.4 ± 994.7 mm3 at 4 weeks after transplantation detected by fluorescence imaging. Spontaneous lymph node metastasis and lung metastasis were also found approximately 4 weeks after transplantation in over 90% of mice. This rectal tumor model precisely mimics the natural history of rectal cancer and can be used to study early tumor development, metastasis, and discovery and evaluation of novel therapeutics for this treatment-resistant disease.

Original languageEnglish
Article numbere79453
JournalPLoS One
Volume8
Issue number11
DOIs
Publication statusPublished - Nov 12 2013

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Rectal Neoplasms
colorectal neoplasms
Tumors
animal models
neoplasms
Neoplasms
Transplantation
metastasis
Neoplasm Metastasis
mucosa
mice
Mucous Membrane
Optical Imaging
Green Fluorescent Proteins
green fluorescent protein
Acetic Acid
lymph nodes
acetic acid
Rodentia
epithelial cells

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Kishimoto, H., Momiyama, M., Aki, R., Kimura, H., Suetsugu, A., Bouvet, M., ... Hoffman, R. M. (2013). Development of a clinically-precise mouse model of rectal cancer. PLoS One, 8(11), [e79453]. https://doi.org/10.1371/journal.pone.0079453

Development of a clinically-precise mouse model of rectal cancer. / Kishimoto, Hiroyuki; Momiyama, Masashi; Aki, Ryoichi; Kimura, Hiroaki; Suetsugu, Atsushi; Bouvet, Michael; Fujiwara, Toshiyoshi; Hoffman, Robert M.

In: PLoS One, Vol. 8, No. 11, e79453, 12.11.2013.

Research output: Contribution to journalArticle

Kishimoto, H, Momiyama, M, Aki, R, Kimura, H, Suetsugu, A, Bouvet, M, Fujiwara, T & Hoffman, RM 2013, 'Development of a clinically-precise mouse model of rectal cancer', PLoS One, vol. 8, no. 11, e79453. https://doi.org/10.1371/journal.pone.0079453
Kishimoto H, Momiyama M, Aki R, Kimura H, Suetsugu A, Bouvet M et al. Development of a clinically-precise mouse model of rectal cancer. PLoS One. 2013 Nov 12;8(11). e79453. https://doi.org/10.1371/journal.pone.0079453
Kishimoto, Hiroyuki ; Momiyama, Masashi ; Aki, Ryoichi ; Kimura, Hiroaki ; Suetsugu, Atsushi ; Bouvet, Michael ; Fujiwara, Toshiyoshi ; Hoffman, Robert M. / Development of a clinically-precise mouse model of rectal cancer. In: PLoS One. 2013 ; Vol. 8, No. 11.
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