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J Histochem Cytochem. 1986 Jul;34(7):927-34.

Immunocytochemical and enzyme histochemical localization of kallikrein-like enzymes in colon, intestine, and stomach of rat and cat.


Kallikrein was localized in goblet (or mucous) cells of rat colon and in rat and cat small intestine and stomach by two immunocytochemical techniques. A kallikrein-like enzyme was also localized by enzyme histochemistry in mast cells of colon, intestine, and stomach of the cat, where they appeared to be associated with blood vessels in the lamina propria. The mast cell enzyme, however, was not detected by immunocytochemistry using antibodies to kallikrein. Modification in the enzyme histochemical procedure (pH, fixation) yielded positive results for a kallikrein-like protease in goblet cells of the intestine and colon. The possible physiological and pathological significance of kallikrein-like enzyme in the gastrointestinal tract and elsewhere is discussed.

[Indexed for MEDLINE]

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