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. 1981 Jul;44(1):35–44. doi: 10.1038/bjc.1981.144

Kinetics of the non-neoplastic mucosa of the large bowel of dimethylhydrazine-treated rats.

J P Sunter, A J Watson, D R Appleton
PMCID: PMC2010667  PMID: 7259959

Abstract

Administration of 1,2 dimethylhydrazine (DMH) to rats by weekly s.c. injections causes the development of multiple epithelial tumours of the large bowel. These appear to arise as localized dysplastic abnormalities in hitherto apparently morphologically normal crypts. This study was undertaken in order to examine cell proliferation in such apparently normal crypts of DMH-treated animals. A number of proliferative abnormalities are evident, including changes in the size of the crypts, changes in the disposition of proliferating cells within them and reduced cell-cycle times. The nature and the extent of the abnormalities vary from site to site along the length of the bowel, and reflect the vulnerability of the different segments of the bowel, not only to the carcinogenic effects of DMH, but also to short-term toxicity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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