PMID: 42197Jan 1, 1979

Epithelial cell kinetics in the descending colon of the rat. II. The effect of experimental bypass

Virchows Archiv. B, Cell Pathology Including Molecular Pathology
R P RijkeN J Langendoen


The influence of experimental bypass on the epithelial cell kinetics in the rat descending colon was studied. It was found that the number of cells per crypt was markedly reduced at 6 weeks after bypass. The percentage of labelled crypt cells, 1 h after 3HTdR, and the distribution of labelled cells in the crypt was normal. Also the life span of the epithelial cells was the same in control and bypassed colon. The response of crypt cell proliferation to ischaemia-induced cell loss in the bypassed descending colon was similar to the one previously described for normal descending colon. This indicates that the absence of the normal luminal contents does not result in a different response of colonic crypts to induced cell loss. Furthermore, it was found that the number of cells per crypt and the proliferative activity did not change in the transverse colon after temporary ischaemia of the bypassed descending colon. This indicates that the increase in crypt cell proliferation after ischaemia-induced cell loss is a local response.


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Dec 1, 1988·Scandinavian Journal of Gastroenterology·T Sakata


Jan 1, 1979·Virchows Archiv. B, Cell Pathology Including Molecular Pathology·R P Rijke, R Gart
Jun 1, 1977·The American Journal of Clinical Nutrition·J J Stragand, R F Hagemann
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