Galanin Expression in the Zebrafish Brain (IMAGE)

California Institute of Technology

Galanin Expression in the Zebrafish Brain

Caption

Overexpression of the neuropeptide prokineticin 2 (Prok2) results in an increase in expression of the sleep-promoting neuropeptide galanin (shown in white) when zebrafish are kept in the light, but not when they are kept in the dark, compared to wild type control animals. These images show galanin expression in the anterior hypothalamus, a brain region known to promote sleep in mammals.

Credit

Prober laboratory

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