Associations of ATF4 gene polymorphisms with schizophrenia in male patients.

Abstract

Activating transcription factor 4 (ATF4) is considered as a positional candidate gene for schizophrenia due to its location at chromosome 22q13, a region linked to schizophrenia. Furthermore, as protein interaction partner of ATF4, disrupted in schizophrenia 1 (DISC1) and its signal pathway implicated in the pathophysiology of schizophrenia have been widely supported by a number of genetic and neurobiological studies. Our aim was to investigate whether ATF4 is associated with schizophrenia in case-control samples of Han Chinese subjects consisting of 352 schizophrenia patients and 357 healthy controls. We detected 18 single nucleotide polymorphisms (SNPs) in ATF4 locus, two of which were analyzed, including one insertion at the putative core promoter region (rs17001266, -/C) and one nonsynonymous variant in exon 1 (rs4894, C/A, Pro22Gln). Allele distributions of two SNPs showed significant associations with schizophrenia in male subjects (respectively, rs17001266: P = 0.021, OR = 1.58, 95% CI = 1.07-2.33; rs4894: P = 0.004, OR = 1.78, 95% CI = 1.19-2.67), but not in female subjects as well as the entire population. Two haplotypes CC and -A constructed of rs17001266-rs4894 also revealed significant associations with schizophrenia in male group (global P = 0.0097). These findings support that ATF4 gene may be involved in susceptibility to schizophrenia with sex-dependent effect in the Chinese Han population and suggest that further functional assays are needed to verify their relevance to the pathogenesis of schizophrenia.

DOI: 10.1002/ajmg.b.30675

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@article{Qu2008AssociationsOA, title={Associations of ATF4 gene polymorphisms with schizophrenia in male patients.}, author={Mei Qu and Fulei Tang and Lifang Wang and Hao Yan and Yonghua Han and Jun Yan and Weihua Yue and Dai Zhang}, journal={American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics}, year={2008}, volume={147B 6}, pages={732-6} }