Association of APOE gene with schizophrenia in Chinese: a possible risk facator in times of malnutrition

W Q Liu, G Breen, J G Zhang, S Li, N F Gu, G Y Feng, S C Bai, T Shen, A Yu, H Xue, D St Clair, L He

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Abstract

Five hundred and seventy nine Chinese patients with schizophrenia who met DSMIV criteria for the disorder were genotyped for alleles epsilon2,3,4 of apolipoprotein E (APOE) gene. All were recruited from inpatients and outpatients attending a large mental health centre in Shanghai. Results were compared to APOE data on 1528 controls drawn from the same area. Major differences in APOE genotype ratios and allele frequencies were observed between the patients and controls. The patients with schizophrenia had highly significantly (p<0.0001) increased epsilon4/-genotypes and allele frequencies, and decreased epsilon3/3 genotypes and epsilon3 allele frequencies compared to controls. The effect was independent of sex and/or age of onset of illness, but strongly influenced by date of birth. Significant differences were restricted to individuals with schizophrenia born either before 1949 or during the period 1958-1967. Both were times of severe food shortages and malnutrition. We suggest that APOE may operate as an additional risk factor for schizophrenia in individuals subjected to fetal and/or early postnatal malnutrition. (C) 2003 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)225-230
Number of pages6
JournalSchizophrenia Research
Volume62
Issue number3
Early online date4 Feb 2003
DOIs
Publication statusPublished - 1 Aug 2003

Keywords

  • schizophrenia
  • APOE
  • China
  • fetal and perinatal malnutrition
  • apolipoprotein-E genotype
  • Alzheimers-Disease
  • Epsilon-4 allele
  • obstetric complications
  • onset schizophrenia
  • frequwncy
  • cholesterol
  • childhood
  • dementia
  • famine

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    Liu, W. Q., Breen, G., Zhang, J. G., Li, S., Gu, N. F., Feng, G. Y., Bai, S. C., Shen, T., Yu, A., Xue, H., St Clair, D., & He, L. (2003). Association of APOE gene with schizophrenia in Chinese: a possible risk facator in times of malnutrition. Schizophrenia Research, 62(3), 225-230. https://doi.org/10.1016/S0920-9964(02)00384-5