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

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Evidence for an involvement of the brain cholecystokinin B receptor in anxiety.

The effect of neuropeptide cholecystokinin (CCK) receptor agonists and antagonists was examined in the rat elevated X-maze model of anxiety. The selective CCK-B receptor antagonists CI-988 (PD 134308) and L-365,260 produced anxiolytic-like effects, whereas MK-329, a CCK-A receptor antagonist, was respectively less potent by factors of 313 and 200. The intracerebroventricular administration of the nonselective CCK receptor agonist caerulein or the selective CCK-B receptor agonist pentagastrin increased dose dependently the level of anxiety. CI-988 dose dependently antagonized the anxiogenic response to pentagastrin but not that induced by pentylenetetrazol. These results strongly suggest that activation of the brain CCK-B receptor induces anxiety and that selective antagonists of this receptor represent a separate class of anxiolytic agents.[1]

References

  1. Evidence for an involvement of the brain cholecystokinin B receptor in anxiety. Singh, L., Lewis, A.S., Field, M.J., Hughes, J., Woodruff, G.N. Proc. Natl. Acad. Sci. U.S.A. (1991) [Pubmed]
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