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      Neuropeptides: opportunities for drug discovery.

      Lancet Neurology

      Animals, Drug Design, Humans, Neuropeptides, metabolism, therapeutic use, Receptors, Neuropeptide

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          Abstract

          The role of peptides as signalling molecules in the nervous system has been studied for more than 30 years. Neuropeptides and their G-protein-coupled receptors are widely distributed throughout the body and they commonly occur with, and are complementary to, classic neurotransmitters. The functions of neuropeptides range from neurotransmitter to growth factor. They are present in glial cells, are hormones in the endocrine system, and are messengers in the immune system. Much evidence indicates that neuropeptides are of particular importance when the nervous system is challenged (eg, by stress, injury, or drug abuse). These features and the large number of neuropeptides and neuropeptide receptors provide many opportunities for the discovery of new drug targets for the treatment of nervous-system disorders. In fact, receptor-subtype-selective antagonists and agonists have been developed, and recently a substance P receptor (neurokinin 1) antagonist has been shown to have clinical efficacy in the treatment of major depression and chemotherapy-induced emesis. Several other neuropeptide receptor ligands are in clinical trials for various indications.

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          Journal
          12878434

          Chemistry

          Animals, Drug Design, Humans, Neuropeptides, metabolism, therapeutic use, Receptors, Neuropeptide

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