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Title: A genome-wide search for schizophrenia susceptibility genes
Authors: Shaw, S H ×
Kelly, M
Smith, A B
Shields, G
Hopkins, P J
Loftus, J
Laval, S H
Vita, A
De Hert, Marc
Cardon, L R
Crow, T J
Sherrington, R
DeLisi, L E #
Issue Date: Sep-1998
Series Title: American Journal of Medical Genetics vol:81 issue:5 pages:364-76
Abstract: We completed a systematic genome-wide search for evidence of loci linked to schizophrenia using a collection of 70 pedigrees containing multiple affected individuals according to three phenotype classifications: schizophrenia only (48 pedigrees; 70 sib-pairs); schizophrenia plus schizoaffective disorder (70 pedigrees; 101 sib-pairs); and a broad category consisting of schizophrenia, schizoaffective disorder, paranoid or schizotypal personality disorder, psychosis not otherwise specified (NOS), delusional disorder, and brief reactive psychosis (70 pedigrees; 111 sib-pairs). All 70 families contained at least one individual affected with chronic schizophrenia according to DSM-III-R criteria. Three hundred and thirty-eight markers spanning the genome were typed in all pedigrees for an average resolution of 10.5 cM (range, 0-31 cM) and an average heterozygosity of 74.3% per marker. The data were analyzed using multipoint nonparametric allele-sharing and traditional two-point lod score analyses using dominant and recessive, affecteds-only models. Twelve chromosomes (1, 2, 4, 5, 8, 10, 11, 12, 13, 14, 16, and 22) had at least one region with a nominal P value <0.05, and two of these chromosomes had a nominal P value <0.01 (chromosomes 13 and 16), using allele-sharing tests in GENEHUNTER. Five chromosomes (1, 2, 4, 11, and 13) had at least one marker with a lod score >2.0, allowing for heterogeneity. These regions will be saturated with additional markers and investigated in a new, larger set of families to test for replication.
URI: 
ISSN: 0148-7299
Publication status: published
KU Leuven publication type: IT
Appears in Collections:University Centre Sint Jozef (-)
Research Group Psychiatry
× corresponding author
# (joint) last author

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