Chinese Medical Sciences Journal ›› 2010, Vol. 25 ›› Issue (2): 85-89.doi: 10.1016/S1001-9294(10)60027-2

• Original Article • Previous Articles     Next Articles

DTNBP1 Gene Is Associated with Some Symptom Factors of Schizophrenia in Chinese Han Nationality

Yu-hui Sun, Yan Shen, and Qi Xu*   

  1. National Laboratory of Medical Molecular Biology, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China
  • Received:2010-05-05 Online:2010-06-10 Published:2010-06-10
  • About author:Tel: 86-10-65296432
  • Supported by:

    Supported by National High Technology Research and Develo- pment Program of China (863 Program) (2006AA02A407), Na- tional Basic Research Program (973 Program) (2010CB529603), and Beijing Natural Science Foundation (7102109)

Abstract: Objective To study the association of DTNBP1 gene with some symptom factors of schizophrenia.Methods A total of 285 unrelated schizophrenic individuals were recruited from December 2004 to January 2009 for genetic analysis, and their symptom factors were assessed based on the Positive and Negative Syndrome Scale (PANSS). The quantitative trait test was performed by the UNPHASED program (version 3.0.12) to investigate the association between scored positive and negative symptoms and the single nucleotide polymorphisms (SNPs) in DTNBP1 gene.Results The quantitative trait test showed allelic association of rs909706 with the excitement symptom of schizophrenia (P<0.05, adjusted by 10 000 permutations), while the genotype C/G of rs2619539 with a negative symptom, lack of spontaneity and flow of conversation (P<0.05, adjusted by 10 000 permutations).Conclusion DTNBP1 variations are possibly associated with some symptoms of schizophrenia, which could partly explain the relationship between the susceptibility gene DTNBP1 and that disease.

Key words: schizophrenia, DTNBP1 gene, positive and negative symptoms, quantitative trait test

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