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Harnessing Brain Protein The Key to Anxiety, Sleep Disorders?

  • August 18, 2004

Researchers have found a newly discovered protein in the brain--neuropeptide S (NPS)--that enhances wakefulness and reduces anxiety in laboratory animals. This discovery could help scientists better understand sleep disorders, anxiety, depression and ADD. Another surprise: NPS is produced in a previously uncharacterized population of brain cells, perhaps indicating a new and distinct molecular pathway for regulating vigilance. Studies in rats revealed NPS was produced in a few...