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

Role of NK-2 receptors in the antidipsogenic activity of neurokinins in the mouse.

1. The receptors involved in the anti-dipsogenic activity of neurokinin (NK) agonists were investigated in water-deprived mice. 2. Intracerebral administration of agonists selective at all three NK receptors ( NK-1, NK-2, NK-3) caused inhibition of drinking in this model. However, only the NK-2 receptor agonist, GR64349, inhibited drinking without producing other behavioural effects. Both NK-1 (GR73632) and NK-3 (senktide) agonists induced a variety of behavioural effects which appeared to compete with the drinking response. 3. The inhibitory effect on drinking observed after central injection of the NK-2 agonist, GR64349, was attenuated by co-administration of the NK-2 antagonist, L-659,877, but not by the NK-1 antagonist, GR82334. 4. These results illustrate that the antidipsogenic activity of the NKs, in mice, is mediated via NK-2 receptors.[1]


  1. Role of NK-2 receptors in the antidipsogenic activity of neurokinins in the mouse. Walsh, D.M., Elliott, P.J., Hagan, R.M. Gen. Pharmacol. (1992) [Pubmed]
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