Abstract
One of the most exciting recent developments in neuroscience has been the discovery that classical neurotransmitters are not the only information-carrying substances in the central nervous system (CNS). More than fifty peptide neurotransmitter or neuromodulatory substances including substance P, cholecystokinin, the enkephalins, and neurotensin (NT) have been observed to interact with and modify the activity of dopamine (DA) neurons. The interaction between the endogenous, tridecapeptide NT, and the classical catecholamine, neurotransmitter, DA, has been of particular interest, as these two systems may be integrally involved in the pathogenesis of certain neuropsychiatric disorders, e.g. schizophrenia, as well as in the mechanism of action of antipsychotic drugs. Since the isolation and characterization of NT by Carraway and Leeman (1973), considerable progress has been made towards elucidating the role of this neuropeptide in the regulation of DA neuronal activity (for extensive review see: Nemeroff, 1986). This chapter focuses on interactions of NT and DA in the CNS, with emphasis on the effects of centrally administered NT, as well as the clinical implications of this interaction. Recent findings from this and other laboratories are highlighted.
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© 1988 Beth Levant, Garth Bissette and Charles B. Nemeroff
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Levant, B., Bissette, G., Nemeroff, C.B. (1988). Further Evidence for Neurotensin-Dopamine Interactions in the Central Nervous System. In: Beart, P.M., Woodruff, G.N., Jackson, D.M. (eds) Pharmacology and Functional Regulation of Dopaminergic Neurons. Satellite Symposia of the IUPHAR 10th International Congress of Pharmacology. Palgrave Macmillan, London. https://doi.org/10.1007/978-1-349-10047-7_45
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