Relationship of Ornithine Decarboxylase Activity and Human Colon Tumorigenesis (original) (raw)

Japanese Journal of Clinical Oncology, 1994

Abstract

ABSTRACT Ornithine decarboxylase (ODC) activity was determined in tumorous lesions of the human colon, and the possibility of ODC acting as a marker of colon tumorigenesis investigated. In adenoma, ODC activity, in pmoles/h/mg protein, was 164 +/- 82 in tumorous tissue, which was higher than the 19.6 +/- 10.5 in macroscopically normal mucosa (control tissue) around the tumorous tissue, while 8.7 +/- 4.1 in normal colon mucosa. In carcinoma-in-adenoma and carcinoma, ODC activities in the control tissue were 15.3 +/- 11.9 and 27.5 +/- 15.0, respectively. The levels were respectively higher than in normal tissue. These results suggest ODC to be a potential indicator of colon tumorigenesis.

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