Assignment of the gene encoding the 5-HT{sub 1E} serotonin receptor (S31) (locus HTR1E) to human chromosome 6q14-q15
- Univ. of Oslo (Norway); and others
The human gene for the 5-HT{sub 1E} serotonin receptor was recently cloned, but no chromosomal assignment has yet been given to this gene (locus HTR1E). In this work, we demonstrate by two independent polymerase chain reactions on a panel of human-hamster somatic cell hybrid genomic DNA that the 5-HT{sub 1E} serotonin receptor gene is localized on human chromosome 6. Furthermore, by means of in situ hybridization to human metaphase chromosomes, using the cloned 5-HT{sub 1E} receptor gene (phage clone {lambda}-S31) as a probe, we demonstrate that this gene is localized to the q14-q15 region on chromosome 6. Screening of genomic DNA from 15 unrelated Caucasian individuals, using as a probe the open reading frame of the cloned 5-HT{sub 1E} receptor gene, did not reveal any restriction fragment length polymorphisms with the enzymes BamHI, BanII, BglII, EcoRI, HincII, HindIII, HinfI, MspI, PstI, and PvuII. Since the 5-HT{sub 1E} receptor is found mainly in the cerebral cortex and abnormal function of the serotonergic system has been implicated in a variety of neurologic and psychiatric diseases, the precise chromosomal assignment of the 5-HT{sub 1E} receptor gene is the crucial first step toward the evaluation of this locus as a candidate for mutations in such syndromes. 28 refs., 2 figs., 2 tabs.
- OSTI ID:
- 186036
- Journal Information:
- Genomics, Journal Name: Genomics Journal Issue: 3 Vol. 22; ISSN 0888-7543; ISSN GNMCEP
- Country of Publication:
- United States
- Language:
- English
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