Abstract
1. Using positron emission tomography and 11C-N-methylspiperone and 11C- SCH23390, dopamine D1 and D2 receptors, and serotonin 5-HT2 receptors in human brain were evaluated in living healthy age different subjects. 2. Dynamic analysis of PET data indicated that these receptor binding abilities decreased with aging in healthy humans.
MeSH terms
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Adult
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Aged
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Aging / metabolism*
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Benzazepines / metabolism
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Brain Chemistry / physiology*
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Cerebral Cortex / metabolism
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Corpus Striatum / metabolism
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Female
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Humans
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Male
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Middle Aged
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Receptors, Dopamine D1 / metabolism*
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Receptors, Dopamine D2 / metabolism*
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Receptors, Serotonin / metabolism*
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Spiperone / analogs & derivatives
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Spiperone / metabolism
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Tomography, Emission-Computed
Substances
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Benzazepines
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Receptors, Dopamine D1
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Receptors, Dopamine D2
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Receptors, Serotonin
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Spiperone
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3-N-methylspiperone