Abstract：
:In a previous study, we reported a nonrandom segregation between schizophrenia and the pseudoautosomal locus DXYS14 in a sample of 33 sibships. That study has been extended by the addition of 16 new sibships from 16 different families. Data from six other loci of the pseudoautosomal region and of the immediately adjacent part of the X specific region have also been analyzed. Two methods of linkage analysis were used: the affected sibling pair (ASP) method and the lod-score method. Lod-score analyses were performed on the basis of three different models--A, B, and C--all shown to be consistent with the epidemiological data on schizophrenia. No clear evidence for linkage was obtained with any of these models. However, whatever the genetic model and the disease classification, maximum lod scores were positive with most of the markers, with the highest scores generally being obtained for the DXYS14 locus. When the ASP method was used, the earlier finding of nonrandom segregation between schizophrenia and the DXYS14 locus was still supported in this larger data set, at an increased level of statistical significance. Findings of ASP analyses were not significant for the other loci. Thus, findings obtained from analyses using the ASP method, but not the lod-score method, were consistent with the pseudoautosomal hypothesis for schizophrenia.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
d'Amato T,Waksman G,Martinez M,Laurent C,Gorwood P,Campion D,Jay M,Petit C,Savoye C,Bastard Cdoi
10.1016/0165-1781(94)90083-3subject
Has Abstract,Author List Incompletepub_date
1994-05-01 00:00:00pages
135-47issue
2eissn
0165-1781issn
1872-7123pii
0165-1781(94)90083-3journal_volume
52pub_type
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