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FKBP5 Genotype-Dependent DNA Methylation and mRNA Regulation After Psychosocial Stress in Remitted Depression and Healthy Controls.

MPS-Authors
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Höhne,  Nina
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Poidinger,  Maximilian
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Merz,  Franziska
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Pfister,  Hildegard
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Brückl,  Tanja M.
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Zimmermann,  Petra
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Uhr,  Manfred
Max Planck Institute of Psychiatry, Max Planck Society;

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Holsboer,  Florian
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Ising,  Marcus
Dept. Clinical Research, Max Planck Institute of Psychiatry, Max Planck Society;

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Citation

Höhne, N., Poidinger, M., Merz, F., Pfister, H., Brückl, T. M., Zimmermann, P., et al. (2015). FKBP5 Genotype-Dependent DNA Methylation and mRNA Regulation After Psychosocial Stress in Remitted Depression and Healthy Controls. The international journal of neuropsychopharmacology / official scientific journal of the Collegium Internationale Neuropsychopharmacologicum (CINP), 18(4), 1-9. doi:10.1093/ijnp/pyu087.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-7D9B-7
Abstract
BACKGROUND: Polymorphisms in the FK506 binding protein 5 (FKBP5) gene have been shown to influence glucocorticoid receptor sensitivity, stress response regulation, and depression risk in traumatized subjects, with most consistent findings reported for the functional variant rs1360780. In the present study, we investigated whether the FKBP5 polymorphism rs1360780 and lifetime history of major depression are associated with DNA methylation and FKBP5 gene expression after psychosocial stress. METHODS: A total of 116 individuals with a positive (n = 61) and negative (n = 55) lifetime history of major depression participated in the Trier Social Stress Test. We assessed plasma cortisol concentrations, FKBP5 mRNA expression, and CpG methylation of FKBP5 intron 7 in peripheral blood cells. RESULTS: Genotype-dependent plasma cortisol response to psychosocial stress exposure was observed in healthy controls, with the highest and longest-lasting cortisol increase in subjects with the TT genotype of the FKBP5 polymorphism rs1360780, and healthy controls carrying the T risk allele responded with a blunted FKBP5 mRNA expression after psychosocial stress. No genotype effects could be found in remitted depression. CONCLUSIONS: The FKBP5 rs1360780 polymorphism is associated with plasma cortisol and FKBP5 mRNA expression after psychosocial stress in healthy controls but not in remitted depression. Preliminary results of the DNA methylation analysis suggest that epigenetic modifications could be involved.