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N I D C D, the National Institute on Deafness and Other Communication Disorders

For Immediate Release
Wednesday, December 5, 2007

Contact:
Jennifer Wenger
(301) 496-7243
jwenger@mail.nih.gov

Pheromones Identified that Trigger Aggression between Male Mice

A family of proteins commonly found in mouse urine is able to trigger fighting between male mice, a study in the Dec. 6, 2007, issue of Nature has found. The study, which is the first to identify protein pheromones responsible for the aggression response in mice, was funded in part by the National Institute on Deafness and Other Communication Disorders (NIDCD), one of the National Institutes of Health. Pheromones are chemical cues that are released into the air, secreted from glands, or excreted in urine and picked up by animals of the same species, initiating various social and reproductive behaviors.

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