The ontogeny of the antidipsogenic effect of the tachykinins eledoisin and physalaemin was studied in 1- to 12-day-old Wistar rats. Both peptides inhibited drinking evoked by ICV angiotensin II, cell-dehydration or fluid deprivation. The effect of eledoisin appeared earlier than that of physalaemin (third v. sixth day) and was evoked by lower doses (10-100 ng/rat vs 330-1000 ng rat). The two tachykinins also inhibited milk intake, but this effect occurred only in the earliest days of neonatal life. The results confirm the specificity of the antitipsogenic effect of eledoisin and physalaemin and give further support to the hypothesis that brain tachykinins play a physiological role in the control of fluid intake.

The ontogeny of the antidipsogenic effect of eledoisin and physalaemin in the rat

PERFUMI, Marina Cecilia;
1987-01-01

Abstract

The ontogeny of the antidipsogenic effect of the tachykinins eledoisin and physalaemin was studied in 1- to 12-day-old Wistar rats. Both peptides inhibited drinking evoked by ICV angiotensin II, cell-dehydration or fluid deprivation. The effect of eledoisin appeared earlier than that of physalaemin (third v. sixth day) and was evoked by lower doses (10-100 ng/rat vs 330-1000 ng rat). The two tachykinins also inhibited milk intake, but this effect occurred only in the earliest days of neonatal life. The results confirm the specificity of the antitipsogenic effect of eledoisin and physalaemin and give further support to the hypothesis that brain tachykinins play a physiological role in the control of fluid intake.
1987
262
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11581/242352
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