Title : Increased expression of gallbladder cholecystokinin: a receptor in prairie dogs fed a high-cholesterol diet and its dissociation with decreased contractility in response to cholecystokinin.

Pub. Date : 2002 May

PMID : 12032489






5 Functional Relationships(s)
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1 Parallel to the increase in the cholesterol saturation index, the contractile responses to CCK-8 decreased in the animals fed a high-cholesterol diet for 4 weeks and markedly decreased in the animals with gallstone formation. Cholesterol cholecystokinin Canis lupus familiaris
2 Parallel to the increase in the cholesterol saturation index, the contractile responses to CCK-8 decreased in the animals fed a high-cholesterol diet for 4 weeks and markedly decreased in the animals with gallstone formation. Cholesterol cholecystokinin Canis lupus familiaris
3 Up-regulation of the CCK-A receptor mRNA in the gallbladder of animals fed a high-cholesterol diet associated with decreased contractility may be due to an impairment of CCK signaling related to increased membrane cholesterol contents and its related reaction of biological compensation in order to increase the receptor concentration. Cholesterol cholecystokinin Canis lupus familiaris
4 Up-regulation of the CCK-A receptor mRNA in the gallbladder of animals fed a high-cholesterol diet associated with decreased contractility may be due to an impairment of CCK signaling related to increased membrane cholesterol contents and its related reaction of biological compensation in order to increase the receptor concentration. Cholesterol cholecystokinin Canis lupus familiaris
5 The results of the present study suggest that in prairie dogs fed a high-cholesterol diet both a decrease in gallbladder contractility related to impairment of CCK signaling and phospholipase A(2) (PLA(2))-induced mucosal inflammation in the gallbladder with associated biliary alterations favoring cholesterol crystal formation pathogenetically contribute to the formation of cholesterol gallstones. Cholesterol cholecystokinin Canis lupus familiaris