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- W2146284611 abstract "Abstract: Galanin is a peptide that is associated with cholinergic neurons of the basal forebrain and, thus, of interest for the neuropathology of Alzheimer's disease. In the present study, human galanin-like immunoreactivity was measured in postmortem human cerebral cortical tissues by using a homologous radioimmunoassay. In an initial study, six cerebral cortical regions were evaluated from nine elderly controls, 13 neuropathologically verified Alzheimer's disease patients, and 19 elderly schizophrenics. A significant 65% increase in galanin was found in frontal cortex Brodmann area 8 of Alzheimer's disease patients compared with controls. In contrast, cerebral cortical tissues from elderly schizophrenics were not different from those from elderly controls in any region. In a second study, 10 cerebral cortical regions were evaluated from 50 neuropathologically verified Alzheimer's disease patients and nine elderly controls. Concentrations of galanin were increased significantly 26–61% in six of 10 cerebral cortical regions examined (Brodmann areas F8, F44, T20, T21, T36, and P22). Purification of brain extracts by size-exclusion Sephadex G-50 chromatography revealed that human galanin-like immunoreactivity eluted in two peaks of different molecular weights. These studies reveal increased concentrations of galanin in the cerebral cortex of Alzheimer's disease, similar to previous findings in basal forebrain tissue. Because galanin inhibits cholinergic neurotransmission, these findings may have important implications in the understanding of Alzheimer's disease neuropathology and associated cognitive deficits." @default.
- W2146284611 created "2016-06-24" @default.
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- W2146284611 date "2008-06-28" @default.
- W2146284611 modified "2023-10-18" @default.
- W2146284611 title "Galanin-Like Immunoreactivity Is Increased in the Postmortem Cerebral Cortex from Patients with Alzheimer's Disease" @default.
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- W2146284611 doi "https://doi.org/10.1046/j.1471-4159.1994.62041516.x" @default.
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