Manganese superoxide dismutase gene Ala-9Val polymorphism might be related to the severity of abnormal involuntary movements in Korean schizophrenic patients

Seung Gul Kang, Jung Eun Choi, Hyonggin An, Young Min Park, Heon Jeong Lee, Changsu Han, Yong Ku Kim, Seung Hyun Kim, Sung Nam Cho, Sook Haeng Joe, In Kwa Jung, Leen Kim, Min Soo Lee

    Research output: Contribution to journalArticlepeer-review

    27 Citations (Scopus)

    Abstract

    Objective: This study examined whether the manganese superoxide dismutase (MnSOD) gene Ala-9Val single-nucleotide polymorphism (SNP) is associated with neuroleptic-induced tardive dyskinesia (TD) and the severity of the abnormal involuntary movements in Korean schizophrenic patients. Method: We investigated whether the MnSOD gene Ala-9Val SNP is associated with TD in Korean schizophrenic patients with (n = 83) and without (n = 126) TD who were matched for exposure to antipsychotics and other relevant variables. Results: Logistic regression analysis revealed that being older (p = 0.026) was a risk factor for TD, but that there was no significant association between MnSOD gene and TD. Abnormal involuntary movements were more severe in carriers of the Ala allele than in noncarriers (p = 0.044). Conclusion: These findings do not support that the MnSOD gene Ala-9Val SNP is associated with TD in Korean schizophrenic patients. However, this polymorphism might be related to the severity of abnormal involuntary movements in this population.

    Original languageEnglish
    Pages (from-to)1844-1847
    Number of pages4
    JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry
    Volume32
    Issue number8
    DOIs
    Publication statusPublished - 2008 Dec 12

    Bibliographical note

    Funding Information:
    This study was supported in part by a grant from the Korean Health 21 R&D Project, Ministry for Health, Welfare and Family Affairs, Republic of Korea (no. 03-PJ10-PG13-GD01-0002).

    Keywords

    • Abnormal involuntary movements
    • Manganese superoxide dismutase
    • Polymorphism
    • Schizophrenia
    • Tardive dyskinesia

    ASJC Scopus subject areas

    • Pharmacology
    • Biological Psychiatry

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