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A variable number of tandem repeats in the serotonin transporter gene does not affect the antidepressant response to fluvoxamine.

Abstract
A variable number of tandem repeats (VNTR) in the second intron of the serotonin transporter gene (STin2) has been studied in association with the susceptibility to affective disorders. Recently, it was reported that selective serotonin reuptake inhibitors were more effective in patients with major depressive disorder having the homozygous allele pair (12-copy/12-copy) of VNTR in the STin2 than in ones having other allele combinations. As the study had methodological problems, further studies are needed to confirm the above finding. Therefore, the authors investigated whether the allelic variation of VNTR in the STin2 was associated with the antidepressant response to fluvoxamine in 66 patients with major depressive disorder. Fluvoxamine was prescribed up to 200 mg/day in the dosing protocol for 6 weeks. The present study showed no significant association between the polymorphism of VNTR in the STin2 and the treatment response to fluvoxamine.
AuthorsK Ito, K Yoshida, K Sato, H Takahashi, M Kamata, H Higuchi, T Shimizu, K Itoh, K Inoue, T Tezuka, T Suzuki, T Ohkubo, K Sugawara, K Otani
JournalPsychiatry research (Psychiatry Res) Vol. 111 Issue 2-3 Pg. 235-9 (Aug 30 2002) ISSN: 0165-1781 [Print] Ireland
PMID12374640 (Publication Type: Journal Article)
Chemical References
  • Carrier Proteins
  • Membrane Glycoproteins
  • Membrane Transport Proteins
  • Nerve Tissue Proteins
  • SLC6A4 protein, human
  • Serotonin Plasma Membrane Transport Proteins
  • Serotonin Uptake Inhibitors
  • Fluvoxamine
Topics
  • Adult
  • Alleles
  • Carrier Proteins (genetics)
  • Depressive Disorder, Major (drug therapy, genetics)
  • Dose-Response Relationship, Drug
  • Drug Administration Schedule
  • Female
  • Fluvoxamine (therapeutic use)
  • Gene Frequency (genetics)
  • Genotype
  • Humans
  • Introns
  • Male
  • Membrane Glycoproteins (genetics)
  • Membrane Transport Proteins
  • Middle Aged
  • Minisatellite Repeats
  • Nerve Tissue Proteins
  • Serotonin Plasma Membrane Transport Proteins
  • Selective Serotonin Reuptake Inhibitors (therapeutic use)
  • Treatment Outcome

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