Association studies of bipolar disorder at the human serotonin transporter gene (hSERT; 5HTT) (original) (raw)

Molecular Psychiatry volume 2, pages 398–402 (1997)Cite this article

Abstract

The human serotonin transporter gene (hSERT) is a strong candidate for involvement in the pathogenesis of mood disorder and, using a UK Caucasian case-control sample, Collier et al found a significant association between bipolar disorder and the 12 allele of the VNTR polymorphism in intron 2 of this gene. In a European collaborative sample, Collier et al found a significant association between affective disorder and a functional deletion polymorphism in the promoter of hSERT. We have undertaken association studies using these polymorphisms in a British Caucasian sample comprising 171 DSM-IV bipolar probands, 80 DSM-IV major depression probands and 121 unrelated controls matched to bipolar probands for age, sex and ethnicity. We found no association between the promoter deletion and affective disorder but our findings with the VNTR polymorphism are similar to those of Collier and colleagues: we found a significant excess of the 12 repeat allele in bipolar probands (P = 0.031, one-tail) with a suggestion of a gene dosage effect (using genotypes bearing no 12 repeat allele as baseline, the increased risks conferred by genotypes bearing 12 repeat alleles were: heterozygote, OR = 1.24; homozygote, OR = 1.76). Our findings add to the evidence that variation at or near hSERT influences susceptibility to bipolar disorder in the British Caucasian population.

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Authors and Affiliations

  1. Department of Psychological Medicine, University of Wales College of Medicine, Heath Park, Cardiff, CF4 4XN, UK
    M Rees, N Norton, I Jones, F McCandless, J Scourfield, P Holmans, S Sadler, T Cole, K Redman, A Farmer, P McGuffin, M J Owen & N Craddock
  2. Institute of Medical Genetics, University of Wales College of Medicine, Heath Park, Cardiff, CF4 4XN, UK
    M Rees, N Norton & M J Owen
  3. Department of Psychiatry, University of Nottingham, Queen's Medical Centre, Nottingham, NG7 2UH, UK
    S Moorhead & E Feldman

Authors

  1. M Rees
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  2. N Norton
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  3. I Jones
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  4. F McCandless
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  5. J Scourfield
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  6. P Holmans
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  7. S Moorhead
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  8. E Feldman
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  9. S Sadler
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  10. T Cole
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  11. K Redman
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  12. A Farmer
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  13. P McGuffin
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  14. M J Owen
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  15. N Craddock
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Rees, M., Norton, N., Jones, I. et al. Association studies of bipolar disorder at the human serotonin transporter gene (hSERT; 5HTT).Mol Psychiatry 2, 398–402 (1997). https://doi.org/10.1038/sj.mp.4000256

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