A transgenic mammal whose somatic and germ cells having a nucleic acid construct wherein the construct includes a mammalian promoter operably linked to a cDNA genomic sequence is provided for the overexpression of galanin. Also provided is a construct having cDNA for the overexpression of galanin. A method of making a transgenic mammal by producing a mammal having a construct for the overexpression of galanin is provided.
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