Summary
Rat exocrine pancreatic function was studied structurally and biochemically after the in vivo production of acute interstitial pancreatitis by supramaximal stimulation with caerulein. Two major phases in the reaction of the gland were observed: During the first two days after cessation of the supramaximal stimulation a progressive infiltration of the interstitium and the pancreatic tissue with polymorphonuclear leucocytes, lymphocytes and macrophages occurred which led to further destruction of the gland and to decreased functional response. From two days after the cessation of the treatment, hypertrophy of centro-acinar cells and an increased rate of mitotic activity indicated regeneration of the pancreas. This was combined with an accelerated in vitro discharge of newly synthesized proteins over a period of four days. Between days three and six after the initial treatment mitotic activity was also observed in fully differentiated exocrine cells. Total structural and functional recovery of the pancreas was achieved nine to twelve days after the cessation of the supramaximal stimulation.
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Supported by a grant from Deutsche Forschungsgemeinschaft, Bonn-Bad Godesberg (SFB 122, project C 5). The expert technical assistance of Mrs. Traudl Seitz and Mrs. Hedwig Dkking and the editorial help of Mrs. Gisela Lesch are gratefully acknowledged
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Adler, G., Hupp, T. & Kern, H.F. Course and spontaneous regression of acute pancreatitis in the rat. Virchows Arch. A Path. Anat. and Histol. 382, 31–47 (1979). https://doi.org/10.1007/BF01102739
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DOI: https://doi.org/10.1007/BF01102739