Abstract:
:The gene encoding the brain alpha 2-adrenergic receptor (ADRA2C) is located on human chromosome 4. It has been circumstantially associated with a number of human disorders, including Parkinson disease, panic disorders, and Huntington disease (HD). Using somatic cell hybrids, we localized the gene to chromosome 4p16 distal to P8 (D4S62). To investigate this locus further, we isolated several cosmid clones covering the entire gene. The gene was found to be intronless. Two (GT)n repeats in close proximity to the ADRAC2 gene were analyzed and used to define its precise location. Linkage disequilibrium studies of one microsatellite in HD families showed strong nonrandom association to the HD mutation, indicating its tight linkage to the HD gene. The investigation of families carrying recombinant chromosomes, pulsed-field analysis, and genomic walking mapped the ADRA2C gene adjacent to D4S81, 500 kb proximal to the HD gene. The newly defined microsatellites at the ADRAC2 locus, its precise localization within 4p16, and the detailed PCR conditions facilitate the identification of any defect caused by this gene.
journal_name
Genomicsjournal_title
Genomicsauthors
Riess O,Thies U,Siedlaczck I,Potisek S,Graham R,Theilmann J,Grimm T,Epplen JT,Hayden MRdoi
10.1006/geno.1994.1061subject
Has Abstractpub_date
1994-01-15 00:00:00pages
298-302issue
2eissn
0888-7543issn
1089-8646pii
S0888-7543(84)71061-5journal_volume
19pub_type
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