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Boll Soc Ital Biol Sper. 1990 Aug;66(8):747-52.

Intestinal ischemia: morphological features--II.

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  • 1Istituto di I Patologia Speciale Chirurgica, Universit√† degli Studi di Bari.


Superoxide radicals produced during acute intestinal ischemia are biochemically related with the presence of hydrogen peroxyde. In this study we have investigated the distribution of peroxidase-catalase activity, histochemically determined, in the ischemic ileal wall. In the rat, complete arterial and venous occlusion produced a progressive increase in extra-vascular peroxidase-catalase activity with a maximum corresponding to the ileal wall. Probably the tissue peroxidase-catalase activity is related to massive degranulation of polymorphonucleates.

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