the effect of sch23390 and bromocriptine injection into hypothalamus on the volume and acidity of gastric acid secretion in the rat
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abstract
abstract injection of sulpiride (d2 receptor antagonist, antipsychotic drug) into vmn hypothalamus, increased gastric volume secretion and decreased gastric ph. the present study the effect of sch23390 (d1 dopamine receptor antagonist) on the gastric acid secretion and its acidity were studied. 70 rats were divided into 7 groups: two control groups, two sham groups given medicine solvents, a sch23390 group (7.5µg), and bromocriptine group (25µg) and a mixed group: sch23390 7.5µg along with bromocriptine 25µg. gastric secretion volume was taken by syringe 2cc and by using spss program the groups were compared (test anova). results showed that sch23390 group (7.5µg) could increase volume of gastric secretion and decrease gastric acidity, while bromocriptine (25µg) could not affect gastric volume secretion and its acidity. however, bromocriptine (25µg) along with sch23390 7.5µg significantly increased gastric volume secretion and its acidity. so the dopaminergic system of the vmn has a considerable effect on the secretion of the exocrine glands in the digestive system.
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Journal title:
زیست شناسی جانوری تجربیجلد ۴، شماره ۲، صفحات ۷-۱۵
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