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Gc serum groups and schizophrenia.

L Beckman, G Beckman, C Perris

    Clinical Genetics
    |February 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    This study investigated the Gc2 genetic marker in schizophrenia patients from Northern Sweden. No association was found, contradicting previous findings and suggesting Gc2 is not a reliable schizophrenia marker.

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    Area of Science:

    • Genetics
    • Psychiatry
    • Epidemiology

    Background:

    • Previous research suggested a link between the Gc2 genetic marker and schizophrenia in a North Swedish population.
    • The Gc (Group Specific Component) system is a polymorphic protein system in human serum.

    Purpose of the Study:

    • To investigate the association between the Gc2 genetic marker and schizophrenia in a Northern Swedish isolate.
    • To validate or refute the findings of Böök et al. (1978) regarding Gc2 and schizophrenia.

    Main Methods:

    • Epidemiological study design comparing schizophrenic patients and control groups.
    • Analysis of Gc protein groups and gene frequencies in blood samples from the study population in Västerbotton County, Northern Sweden.

    Main Results:

    Related Experiment Videos

    • No significant difference in Gc group or gene frequencies was observed between schizophrenic patients and controls in the examined Västerbotton County cohort.
    • Reanalysis of Böök et al.'s data indicated an increased frequency of the Gc 2-1 group, but not the Gc2 gene, in schizophrenics.
    • Gc distribution in Böök et al.'s material resembled that found in patients with cycloid psychosis.

    Conclusions:

    • The Gc2 genetic marker does not appear to be associated with schizophrenia in the studied Northern Swedish population.
    • The observed association in previous studies might be specific to certain Gc phenotypes (e.g., Gc 2-1) or related to other psychiatric conditions like cycloid psychosis.