pubmed-article:9600992 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0086418 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0020179 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0025936 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0006104 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0034828 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0017337 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0205161 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0449719 | lld:lifeskim |
pubmed-article:9600992 | lifeskim:mentions | umls-concept:C0205349 | lld:lifeskim |
pubmed-article:9600992 | pubmed:issue | 11 | lld:pubmed |
pubmed-article:9600992 | pubmed:dateCreated | 1998-6-22 | lld:pubmed |
pubmed-article:9600992 | pubmed:abstractText | Loss of neurotransmitter receptors, especially glutamate and dopamine receptors, is one of the pathologic hallmarks of brains of patients with Huntington disease (HD). Transgenic mice that express exon 1 of an abnormal human HD gene (line R6/2) develop neurologic symptoms at 9-11 weeks of age through an unknown mechanism. Analysis of glutamate receptors (GluRs) in symptomatic 12-week-old R6/2 mice revealed decreases compared with age-matched littermate controls in the type 1 metabotropic GluR (mGluR1), mGluR2, mGluR3, but not the mGluR5 subtype of G protein-linked mGluR, as determined by [3H]glutamate receptor binding, protein immunoblotting, and in situ hybridization. Ionotropic alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid and kainate receptors were also decreased, while N-methyl-D-aspartic acid receptors were not different compared with controls. Other neurotransmitter receptors known to be affected in HD were also decreased in R6/2 mice, including dopamine and muscarinic cholinergic, but not gamma-aminobutyric acid receptors. D1-like and D2-like dopamine receptor binding was drastically reduced to one-third of control in the brains of 8- and 12-week-old R6/2 mice. In situ hybridization indicated that mGluR and D1 dopamine receptor mRNA were altered as early as 4 weeks of age, long prior to the onset of clinical symptoms. Thus, altered expression of neurotransmitter receptors precedes clinical symptoms in R6/2 mice and may contribute to subsequent pathology. | lld:pubmed |
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pubmed-article:9600992 | pubmed:language | eng | lld:pubmed |
pubmed-article:9600992 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:9600992 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:9600992 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:9600992 | pubmed:month | May | lld:pubmed |
pubmed-article:9600992 | pubmed:issn | 0027-8424 | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:YoungA BAB | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:PenneyJ BJB | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:ObaM SMS | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:DaviesS WSW | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:BatesG PGP | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:MangiariniLL | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:KernerJ AJA | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:KosinskiC MCM | lld:pubmed |
pubmed-article:9600992 | pubmed:author | pubmed-author:AlsdorfS ASA | lld:pubmed |
pubmed-article:9600992 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:9600992 | pubmed:day | 26 | lld:pubmed |
pubmed-article:9600992 | pubmed:volume | 95 | lld:pubmed |
pubmed-article:9600992 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:9600992 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:9600992 | pubmed:pagination | 6480-5 | lld:pubmed |
pubmed-article:9600992 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
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