The opioid system in neurologic and psychiatric disorders and in their experimental models.
Evidence from experimental and clinical studies suggests the involvement of the endogenous opioid system in several neurologic and psychiatric disorders (Alzheimer's, Huntington's and Parkinson's diseases, drug-induced movement disorders, Gilles de la Tourette syndrome, stroke, ischemia, brain and spinal cord injury, epilepsy, schizophrenia and affective disorders). However, its involvement is rather a secondary one, perhaps being a severe consequence of a primary, nonopioid disturbance. Thus, treatment of an opioidergic manifestation of a disorder of nonopioidergic origin is necessarily symptomatic and targets only the restoration of the opioid system; such treatment may be beneficial in ameliorating the clinical symptoms of the disorder.
Central Research Laboratory, Albert Szent-Györgyi Medical University, Szeged, Hungary.
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Gulya
D000818:Animals; D004195:Disease Models, Animal; D004723:Endorphins / Q000502:physiology*; D006801:Humans; D001523:Mental Disorders / Q000503:physiopathology*; D009422:Nervous System Diseases / Q000503:physiopathology*
D004723:Endorphins