Genome-wide association study of atypical psychosis

Tetsufumi Kanazawa, Masashi Ikeda, Stephen J. Glatt, Atsushi Tsutsumi, Hiroki Kikuyama, Yoshiya Kawamura, Nao Nishida, Taku Miyagawa, Ryota Hashimoto, Masatoshi Takeda, Tsukasa Sasaki, Katsushi Tokunaga, Jun Koh, Nakao Iwata, Hiroshi Yoneda

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Abstract

Atypical psychosis with a periodic course of exacerbation and features of major psychiatric disorders [schizophrenia (SZ) and bipolar disorder (BD)] has a long history in clinical psychiatry in Japan. Based upon the new criteria of atypical psychosis, a Genome-Wide Association Study (GWAS) was conducted to identify the risk gene or variants. The relationships between atypical psychosis, SZ and BD were then assessed using independent GWAS data. Forty-seven patients with solid criteria of atypical psychosis and 882 normal controls (NCs) were scanned using an Affymetrics 6.0 chip. GWAS SZ data (560 SZ cases and 548 NCs) and GWAS BD (107 cases with BD type 1 and 107 NCs) were compared using gene-based analysis. The most significant SNPs were detected around the CHN2/CPVL genes (rs245914, P=1.6×10-7), COL21A1 gene (rs12196860, P=2.45×10-7), and PYGL/TRIM9 genes (rs1959536, P=7.73×10-7), although none of the single-nucleotide polymorphisms exhibited genome-wide significance (P=5×10-8). One of the highest peaks was detected on the major histocompatibility complex region, where large SZ GWASs have previously disclosed an association. The gene-based analysis suggested significant enrichment between SZ and atypical psychosis (P=0.01), but not BD. This study provides clues about the types of patient whose diagnosis lies between SZ and BD. Studies with larger samples are required to determine the causal variant.

Original languageEnglish
Pages (from-to)679-686
Number of pages8
JournalAmerican Journal of Medical Genetics, Part B: Neuropsychiatric Genetics
Volume162
Issue number7
DOIs
Publication statusPublished - 01-10-2013

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Genome-Wide Association Study
Psychotic Disorders
Bipolar Disorder
Schizophrenia
Genes
Single Nucleotide Polymorphism
Psychiatry
Major Histocompatibility Complex
Japan
History
Genome

All Science Journal Classification (ASJC) codes

  • Genetics(clinical)
  • Psychiatry and Mental health
  • Cellular and Molecular Neuroscience

Cite this

Kanazawa, T., Ikeda, M., Glatt, S. J., Tsutsumi, A., Kikuyama, H., Kawamura, Y., ... Yoneda, H. (2013). Genome-wide association study of atypical psychosis. American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, 162(7), 679-686. https://doi.org/10.1002/ajmg.b.32164
Kanazawa, Tetsufumi ; Ikeda, Masashi ; Glatt, Stephen J. ; Tsutsumi, Atsushi ; Kikuyama, Hiroki ; Kawamura, Yoshiya ; Nishida, Nao ; Miyagawa, Taku ; Hashimoto, Ryota ; Takeda, Masatoshi ; Sasaki, Tsukasa ; Tokunaga, Katsushi ; Koh, Jun ; Iwata, Nakao ; Yoneda, Hiroshi. / Genome-wide association study of atypical psychosis. In: American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics. 2013 ; Vol. 162, No. 7. pp. 679-686.
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Kanazawa, T, Ikeda, M, Glatt, SJ, Tsutsumi, A, Kikuyama, H, Kawamura, Y, Nishida, N, Miyagawa, T, Hashimoto, R, Takeda, M, Sasaki, T, Tokunaga, K, Koh, J, Iwata, N & Yoneda, H 2013, 'Genome-wide association study of atypical psychosis', American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, vol. 162, no. 7, pp. 679-686. https://doi.org/10.1002/ajmg.b.32164

Genome-wide association study of atypical psychosis. / Kanazawa, Tetsufumi; Ikeda, Masashi; Glatt, Stephen J.; Tsutsumi, Atsushi; Kikuyama, Hiroki; Kawamura, Yoshiya; Nishida, Nao; Miyagawa, Taku; Hashimoto, Ryota; Takeda, Masatoshi; Sasaki, Tsukasa; Tokunaga, Katsushi; Koh, Jun; Iwata, Nakao; Yoneda, Hiroshi.

In: American Journal of Medical Genetics, Part B: Neuropsychiatric Genetics, Vol. 162, No. 7, 01.10.2013, p. 679-686.

Research output: Contribution to journalArticle

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T1 - Genome-wide association study of atypical psychosis

AU - Kanazawa, Tetsufumi

AU - Ikeda, Masashi

AU - Glatt, Stephen J.

AU - Tsutsumi, Atsushi

AU - Kikuyama, Hiroki

AU - Kawamura, Yoshiya

AU - Nishida, Nao

AU - Miyagawa, Taku

AU - Hashimoto, Ryota

AU - Takeda, Masatoshi

AU - Sasaki, Tsukasa

AU - Tokunaga, Katsushi

AU - Koh, Jun

AU - Iwata, Nakao

AU - Yoneda, Hiroshi

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