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The effects of bilateral truncal vagotomy on cholecystokinin (CCK) release and pancreatic hypersecretion produced by bile and pancreatic juice (BPJ) diversion were examined in conscious rats. In addition, the effect of exogenous administration of CCK-8 (100 pmol/kg/h) on pancreatic secretion were compared in rats with and without vagotomy. Rats were prepared with external bile and pancreatic juice fistulae and the experiment was conducted on the 4th postoperative day. Basal pancreatic secretion was not affected by vagotomy. CCK release produced by bile and pancreatic juice diversion was enhanced, whereas protein secretion in response to high plasma CCK was inhibited by vagotomy. Pancreatic secretion stimulated by intravenous infusion of 100 pmol/kg/h of CCK-8 was also inhibited by vagotomy. These results proposed that vagal nerve is mandatory for the full response of pancreatic exocrine secretion to circulating CCK.
H Tomita, and
K Miyasaka, and
M Matsumoto, and
A Funakoshi
April 1991,
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H Tomita, and
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H Tomita, and
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H Tomita, and
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H Tomita, and
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H Tomita, and
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H Tomita, and
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H Tomita, and
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A Funakoshi
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