Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Investigation of TSPO variants in schizophrenia and antipsychotic treatment outcomes
AU - Pouget, Jennie G.
AU - Gonçalves, Vanessa F.
AU - Nurmi, Erika L.
AU - Laughlin, Christopher P.
AU - Mallya, Karyn S.
AU - McCracken, James T.
AU - Aman, Michael G.
AU - McDougle, Christopher J.
AU - Scahill, Lawrence
AU - Misener, Virginia L.
AU - Tiwari, Arun K.
AU - Zai, Clement C.
AU - Brandl, Eva J.
AU - Felsky, Daniel
AU - Leung, Amy Q.
AU - Lieberman, Jeffrey A.
AU - Meltzer, Herbert Y.
AU - Potkin, Steven G.
AU - Niedling, Charlotte
AU - Steimer, Werner
AU - Leucht, Stefan
AU - Knight, Jo
AU - Müller, Daniel J.
AU - Kennedy, James L.
PY - 2015/1
Y1 - 2015/1
N2 - AIM: TSPO is a neuroinflammatory biomarker and emerging therapeutic target in psychiatric disorders. We evaluated whether TSPO polymorphisms contribute to interindividual variability in schizophrenia, antipsychotic efficacy and antipsychotic-induced weight gain.PATIENTS & METHODS: We analyzed TSPO polymorphisms in 670 schizophrenia cases and 775 healthy controls. Gene-gene interactions between TSPO and other mitochondrial membrane protein-encoding genes (VDAC1 and ANT1) were explored. Positive findings were evaluated in two independent samples (Munich, n = 300; RUPP, n = 119).RESULTS: TSPO rs6971 was independently associated with antipsychotic-induced weight gain in the discovery (puncor = 0.04) and RUPP samples (p = 3.00 × 10(-3)), and interacted with ANT1 rs10024068 in the discovery (p = 1.15 × 10(-3)) and RUPP samples (p = 2.76 × 10(-4)).CONCLUSION: Our findings highlight TSPO as a candidate for future investigations of antipsychotic-induced weight gain, and support the involvement of mitochondrial membrane components in this serious treatment side effect.
AB - AIM: TSPO is a neuroinflammatory biomarker and emerging therapeutic target in psychiatric disorders. We evaluated whether TSPO polymorphisms contribute to interindividual variability in schizophrenia, antipsychotic efficacy and antipsychotic-induced weight gain.PATIENTS & METHODS: We analyzed TSPO polymorphisms in 670 schizophrenia cases and 775 healthy controls. Gene-gene interactions between TSPO and other mitochondrial membrane protein-encoding genes (VDAC1 and ANT1) were explored. Positive findings were evaluated in two independent samples (Munich, n = 300; RUPP, n = 119).RESULTS: TSPO rs6971 was independently associated with antipsychotic-induced weight gain in the discovery (puncor = 0.04) and RUPP samples (p = 3.00 × 10(-3)), and interacted with ANT1 rs10024068 in the discovery (p = 1.15 × 10(-3)) and RUPP samples (p = 2.76 × 10(-4)).CONCLUSION: Our findings highlight TSPO as a candidate for future investigations of antipsychotic-induced weight gain, and support the involvement of mitochondrial membrane components in this serious treatment side effect.
KW - Adolescent
KW - Adult
KW - Antipsychotic Agents
KW - Female
KW - Genetic Association Studies
KW - Humans
KW - Male
KW - Middle Aged
KW - Receptors, GABA
KW - Schizophrenia
KW - Treatment Outcome
KW - Weight Gain
U2 - 10.2217/pgs.14.158
DO - 10.2217/pgs.14.158
M3 - Journal article
C2 - 25560467
VL - 16
SP - 5
EP - 22
JO - Pharmacogenomics
JF - Pharmacogenomics
SN - 1462-2416
IS - 1
ER -