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  • Title: [The reciprocity of gastrin and cholecystokinin effects on the motor and evacuatory functions of the proximal section of the gastrointestinal tract in dogs].
    Author: Groĭsman SD, Beregovaia TV, Gubkin VA, Kharchenko NM, Khomenko TA.
    Journal: Fiziol Zh SSSR Im I M Sechenova; 1989 May; 75(5):725-33. PubMed ID: 2767271.
    Abstract:
    In dogs with fistulas in fundal and antral parts of the stomach and in the proximal part of jejunum, subcutaneous and i.v. administration of pentagastrin and i.v. administration of cholecystokinin caused reciprocal reactions in the stomach: pentagastrin suppressed the motility of fundal part and activated the contractions of antral part, whereas cholecystokinin activated the contractions of fundal part and suppressed the motility of antral part of the stomach. Excepting a more complex character of pentagastrin and cholecystokinin effects on the jejunum contractions, the responses were reciprocal as well. Pentagastrin exerts mainly a suppressing effect whereas cholecystokinin--an activating one. Possible biological significance of the hormones interactions while maintaining evacuatory function of the stomach, is discussed.
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