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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Central and peripheral doses of cholecystokinin that inhibit feeding in pigs also stimulate vasopressin and cortisol release.

The effects on vasopressin and cortisol secretion of centrally and peripherally administered cholecystokinin octapeptide ( CCK) were investigated in conscious prepubertal pigs. Injection of 1.3 micrograms CCK into the lateral cerebral ventricle resulted in a sustained increase in plasma vasopressin after a latency of 5 min but no change in cortisol concentrations. Intravenous injection of 0.7 and 1.3 micrograms/kg CCK initiated a rapid surge (within 2 min) in plasma vasopressin and a later increase in cortisol secretion. The time course of the vasopressin response to the central injection of CCK was found to be similar to the period of behavioural inhibition induced when an equivalent dose of the peptide was given by the same route in an earlier feeding experiment. An analogous situation was also observed when CCK was given peripherally and, in this case, the threshold dose at which the behavioural and endocrine responses were induced was found to be the same.[1]

References

  1. Central and peripheral doses of cholecystokinin that inhibit feeding in pigs also stimulate vasopressin and cortisol release. Parrott, R.F., Ebenezer, I.S., Baldwin, B.A., Forsling, M.L. Exp. Physiol. (1991) [Pubmed]
 
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