Neuropeptide Y (NPY) Y2 receptors mediate behaviour in two animal models of anxiety: evidence from Y2 receptor knockout mice.

Abstract excerpt

The behavioural phenotype of mice lacking neuropeptide Y (NPY) Y(2)-type receptors was assessed in two well documented animal models of anxiety: namely, the elevated plus maze and the open field. NPY Y(2)-/- mice made more entries into, and spent significantly more time on, the open arms of the elevated plus maze when compared to their wild-type Y(2)+/+ controls (P<0.001). This effect was not due to non-specific...

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