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- Publisher Website: 10.1002/ajmg.1320600210
- Scopus: eid_2-s2.0-0028937526
- PMID: 7485248
- WOS: WOS:A1995QT74500009
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Article: Linkage studies on chromosome 22 in familial schizophrenia
Title | Linkage studies on chromosome 22 in familial schizophrenia |
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Authors | |
Keywords | genetics human chromosome 22 linkage analysis psychosis Sib-pair method, heterogeneity |
Issue Date | 1995 |
Citation | American Journal Of Medical Genetics - Neuropsychiatric Genetics, 1995, v. 60 n. 2, p. 139-146 How to Cite? |
Abstract | As part of a systematic search for a major genetic locus for schizophrenia we have examined chromosome 22 using 14 highly polymorphic markers in 23 disease pedigrees. The markers were distributed at an average distance of 6.6 cM, covering 70-80% of the chromosome. We analyzed the data by the lod score method using five plausible genetic models ranging from dominant to recessive, after testing the power of our sample under the same genetic parameters. The most positive lod score found was 1.51 under a recessive model for the marker D22S278, which is insufficient to conclude linkage. However, an excess of shared alleles in affected siblings (P < .01) was found for both D22S278 and D22S283. For D22S278, the A statistic was equal to the lod score (1.51) and therefore did not provide additional evidence for linkage allowing for heterogeneity, but the Liang statistic was more significant (P = .002). Our results suggest the possibility that the region around D22S278 and D22S283 contains a gene which contributes to the aetiology of schizophrenia. |
Persistent Identifier | http://hdl.handle.net/10722/175720 |
ISSN | |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Vallada, HP | en_US |
dc.contributor.author | Gill, M | en_US |
dc.contributor.author | Sham, P | en_US |
dc.contributor.author | Lim, LCC | en_US |
dc.contributor.author | Nanko, S | en_US |
dc.contributor.author | Asherson, P | en_US |
dc.contributor.author | Murray, RM | en_US |
dc.contributor.author | Mcguffin, P | en_US |
dc.contributor.author | Owen, M | en_US |
dc.contributor.author | Collier, D | en_US |
dc.date.accessioned | 2012-11-26T09:00:44Z | - |
dc.date.available | 2012-11-26T09:00:44Z | - |
dc.date.issued | 1995 | en_US |
dc.identifier.citation | American Journal Of Medical Genetics - Neuropsychiatric Genetics, 1995, v. 60 n. 2, p. 139-146 | en_US |
dc.identifier.issn | 0148-7299 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/175720 | - |
dc.description.abstract | As part of a systematic search for a major genetic locus for schizophrenia we have examined chromosome 22 using 14 highly polymorphic markers in 23 disease pedigrees. The markers were distributed at an average distance of 6.6 cM, covering 70-80% of the chromosome. We analyzed the data by the lod score method using five plausible genetic models ranging from dominant to recessive, after testing the power of our sample under the same genetic parameters. The most positive lod score found was 1.51 under a recessive model for the marker D22S278, which is insufficient to conclude linkage. However, an excess of shared alleles in affected siblings (P < .01) was found for both D22S278 and D22S283. For D22S278, the A statistic was equal to the lod score (1.51) and therefore did not provide additional evidence for linkage allowing for heterogeneity, but the Liang statistic was more significant (P = .002). Our results suggest the possibility that the region around D22S278 and D22S283 contains a gene which contributes to the aetiology of schizophrenia. | en_US |
dc.language | eng | en_US |
dc.relation.ispartof | American Journal of Medical Genetics - Neuropsychiatric Genetics | en_US |
dc.subject | genetics | - |
dc.subject | human chromosome 22 | - |
dc.subject | linkage analysis | - |
dc.subject | psychosis | - |
dc.subject | Sib-pair method, heterogeneity | - |
dc.subject.mesh | Alleles | en_US |
dc.subject.mesh | Base Sequence | en_US |
dc.subject.mesh | Chromosome Mapping | en_US |
dc.subject.mesh | Chromosomes, Human, Pair 22 - Genetics | en_US |
dc.subject.mesh | Dna Primers - Genetics | en_US |
dc.subject.mesh | Female | en_US |
dc.subject.mesh | Genetic Linkage | en_US |
dc.subject.mesh | Genetic Markers | en_US |
dc.subject.mesh | Humans | en_US |
dc.subject.mesh | Lod Score | en_US |
dc.subject.mesh | Male | en_US |
dc.subject.mesh | Models, Genetic | en_US |
dc.subject.mesh | Molecular Sequence Data | en_US |
dc.subject.mesh | Pedigree | en_US |
dc.subject.mesh | Polymorphism, Genetic | en_US |
dc.subject.mesh | Schizophrenia - Genetics | en_US |
dc.title | Linkage studies on chromosome 22 in familial schizophrenia | en_US |
dc.type | Article | en_US |
dc.identifier.email | Sham, P: pcsham@hku.hk | en_US |
dc.identifier.authority | Sham, P=rp00459 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.doi | 10.1002/ajmg.1320600210 | - |
dc.identifier.pmid | 7485248 | - |
dc.identifier.scopus | eid_2-s2.0-0028937526 | en_US |
dc.identifier.volume | 60 | en_US |
dc.identifier.issue | 2 | en_US |
dc.identifier.spage | 139 | en_US |
dc.identifier.epage | 146 | en_US |
dc.identifier.isi | WOS:A1995QT74500009 | - |
dc.publisher.place | United States | en_US |
dc.identifier.scopusauthorid | Vallada, HP=7003742958 | en_US |
dc.identifier.scopusauthorid | Gill, M=14633481100 | en_US |
dc.identifier.scopusauthorid | Sham, P=34573429300 | en_US |
dc.identifier.scopusauthorid | Lim, LCC=36484937000 | en_US |
dc.identifier.scopusauthorid | Nanko, S=7006294283 | en_US |
dc.identifier.scopusauthorid | Asherson, P=35402700900 | en_US |
dc.identifier.scopusauthorid | Murray, RM=35406239400 | en_US |
dc.identifier.scopusauthorid | McGuffin, P=22954119700 | en_US |
dc.identifier.scopusauthorid | Owen, M=36044041500 | en_US |
dc.identifier.scopusauthorid | Collier, D=26642980600 | en_US |
dc.identifier.issnl | 0148-7299 | - |