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Role of serotonin transporter and receptor gene variations in the acute effects of MDMA in healthy subjects

Vizeli, Patrick and Meyer Zu Schwabedissen, Henriette E. and Liechti, Matthias E.. (2019) Role of serotonin transporter and receptor gene variations in the acute effects of MDMA in healthy subjects. ACS chemical neuroscience, 10 (7). pp. 3120-3131.

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Official URL: https://edoc.unibas.ch/69491/

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Abstract

Methylenedioxymethamphetamine (MDMA; ecstasy) is used recreationally and has been investigated as an adjunct to psychotherapy. Most acute effects of MDMA can be attributed to activation of the serotonin (5-hydroxytryptamine [5-HT]) system. Genetic variants, such as single-nucleotide polymorphisms (SNPs) and polymorphic regions in 5-HT system genes, may contribute to interindividual differences in the acute effects of MDMA. We characterized the effects of common genetic variants within selected genes that encode the 5-HT system (TPH1 [tryptophan 5-hydroxylase 1] rs1800532 and rs1799913, TPH2 [tryptophan 5-hydroxylase 2] rs7305115, HTR1A [5-HT1A receptor] rs6295, HTR1B [5-HT1B receptor] rs6296, HTR2A [5-HT2A receptor] rs6313, and SLC6A4 [serotonin transporter] 5-HTTLPR and rs25531) on the physiological and subjective response to 125 mg MDMA compared with placebo in 124 healthy subjects. Data were pooled from eight randomized, double-blind, placebo-controlled studies that were conducted in the same laboratory. TPH2 rs7305115, HTR2A rs6313, and SLC6A4 5-HTTLPR polymorphisms tended to moderately alter some effects of MDMA. However, after correcting for multiple comparisons, none of the tested genetic polymorphisms significantly influenced the response to MDMA. Variations in genes that encode key targets in the 5-HT system did not significantly influence the effects of MDMA in healthy subjects. Interindividual differences in the 5-HT system may thus play a marginal role when MDMA is used recreationally or therapeutically.
Faculties and Departments:03 Faculty of Medicine > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Medizinische Fächer (Klinik) > Klinische Pharmakologie
03 Faculty of Medicine > Departement Biomedizin > Department of Biomedicine, University Hospital Basel > Psychopharmacology Research (Liechti)
05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Biopharmazie (Meyer zu Schwabedissen)
05 Faculty of Science > Departement Pharmazeutische Wissenschaften > Pharmazie > Molecular and Systems Toxicology (Odermatt)
UniBasel Contributors:Liechti, Matthias Emanuel and Meyer zu Schwabedissen, Henriette and Vizeli, Patrick
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
ISSN:1948-7193
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:10 Oct 2019 12:53
Deposited On:18 Sep 2019 08:49

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