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See detailTemporal dynamics of cortisol-associated changes in mRNA expression of glucocorticoid responsive genes FKBP5, GILZ, SDPR, PER1, PER2 and PER3 in healthy humans
Yurtsever, T.; Streit, F.; Foo, J. C. et al

in Psychoneuroendocrinology (2019), 102

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See detailPolymorphisms of genes related to the hypothalamic-pituitary-adrenal axis influence the cortisol awakening response as well as self-perceived stress
Li-Tempel, T.; Larra, M. F.; Winnikes, U. et al

in Biological Psychology (2016), 119(1), 112-121

The hypothalamus-pituitary-adrenal (HPA) axis is a crucial endocrine system for coping with stress. A reliable and stable marker for the basal state of that system is the cortisol awakening response (CAR ... [more ▼]

The hypothalamus-pituitary-adrenal (HPA) axis is a crucial endocrine system for coping with stress. A reliable and stable marker for the basal state of that system is the cortisol awakening response (CAR). We examined the influence of variants of four relevant candidate genes; the mineralocorticoid receptor gene (MR), the glucocorticoid receptor gene (GR), the serotonin transporter gene (5-HTT) and the gene encoding the brain-derived neurotrophic factor (BDNF) on CAR and self-perceived stress in 217 healthy subjects. We found that polymorphisms of GR influenced both, the basal state of the HPA axis as well as self-perceived stress. MR only associated with self-perceived stress and 5-HTT only with CAR. BDNF did not affected any of the investigated indices. In summary, we suggest that GR variants together with the CAR and supplemented with self reports on perceived stress might be useful indicators for the basal HPA axis activity. [less ▲]

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See detailErhöhte Stresslevel und depressive Symptome bei primärer Hyperhidrose
Gross, K. M.; Schote, A. B.; Schneider, K. K. et al

in Verleger, R.; Krämer, U.; Beyer, B. (Eds.) et al Abstractband 40. Tagung "Psychologie und Gehirn" (2014)

Unter Hyperhidrose versteht man übermäßiges Schwit-zen in einem Ausmaß, das die Regulation der Körpertemperatur übersteigt. Die Störung gilt bezüglich ihrer Ätiologie, Pathogenese und Genetik als kaum ... [more ▼]

Unter Hyperhidrose versteht man übermäßiges Schwit-zen in einem Ausmaß, das die Regulation der Körpertemperatur übersteigt. Die Störung gilt bezüglich ihrer Ätiologie, Pathogenese und Genetik als kaum hinrei-chend beforscht. Allerdings übt die Erkrankung Schät-zungen zufolge auf eine Million Menschen in Deutschland mitunter einen erheblichen Leidensdruck aus. Im Mittelpunkt der Studie steht die primäre fokale Hyperhidrose, die meist an Händen, Füßen oder Achseln lokalisiert werden kann und der im Gegensatz zur sekundären Hyperhidrose keine körperliche Erkrankung zugrunde liegt. In der durchgeführten Studie gelang es, Daten von je-weils 40 gesunden und hyperhidrotischen Probanden zu erheben. Alle Versuchspersonen beantworteten Frage-bogen zu ihrer Erkrankung, zum chronischen Stress sowie zu depressiven und somatischen Symptomen. Zudem wurden allen Probanden Speichelproben zur Analyse des Stresshormons Cortisol entnommen. Aus einer Varianzanalyse und anschließender Teststär-kenanalyse resultierten folgende Ergebnisse: Die Hyperhidrotiker der Stichprobe zeigten höhere chronische Stresslevel sowie mehr depressive als auch mehr soma-tische Symptome als die Kontrollgruppe. Bemerkenswert ist, dass die Probanden, die vor allem unter den Achseln vermehrt schwitzen, die höchsten Stress- und Depressionslevel aufwiesen. Die sogenannte Cortisol Awakening Response (CAR) gibt Informationen über die Aktivität der Hypophysen-Hypothalamus-Nebennierenrinden-Achse (HHNA) und hat sich als zuverlässiges physiologisches Stresskorrelat erwiesen. Trotz der erhöhten Stresslevel und der erhöhten depres-siven Symptomatik bei Hyperhidrotikern konnte keine Veränderung in der CAR gefunden werden. Dazu muss erklärend hinzugefügt werden, dass die Mehrzahl der Hyperhidrotiker der vorliegenden Stichprobe keinen Stress von pathologischem Wert aufweist. In bisherigen Studien anderer Autoren konnte eine veränderte CAR lediglich bei sehr hoch belasteten Versuchspersonen nachgewiesen werden. [less ▲]

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See detailElevated social stress levels and depressive symptoms in primary hyperhidrosis
Gross, K. M.; Schote, A. B.; Schneider, K. K. et al

in PLoS ONE (2014), 9(3), 92412

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See detailQuantification of finite-temperature effects on adsorption geometries of π-conjugated molecules: Azobenzene/Ag(111)
Mercurio, G.; Maurer, R. J.; Liu, W. et al

in Physical Review. B, Condensed Matter and Materials Physics (2013), 88(3),

The adsorption structure of the molecular switch azobenzene on Ag(111) is investigated by a combination of normal incidence x-ray standing waves and dispersion-corrected density functional theory. The ... [more ▼]

The adsorption structure of the molecular switch azobenzene on Ag(111) is investigated by a combination of normal incidence x-ray standing waves and dispersion-corrected density functional theory. The inclusion of nonlocal collective substrate response (screening) in the dispersion correction improves the description of dense monolayers of azobenzene, which exhibit a substantial torsion of the molecule. Nevertheless, for a quantitative agreement with experiment explicit consideration of the effect of vibrational mode anharmonicity on the adsorption geometry is crucial. © 2013 American Physical Society. [less ▲]

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See detailTranscriptional control of the human glucocorticoid receptor: Identification and analysis of alternative promoter regions
Cao-Lei, L.; Leija, S. C.; Kumsta, Robert UL et al

in Human Genetics (2011), 129(5), 533-543

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See detailElectronic structure and radial breathing mode for carbon nanotubes with ultra-high curvature
Plank, W.; Pfeiffer, R.; Scharman, C. et al

in Physica Status Solidi B. Basic Research (2010), 247(11-12), 2774-2778

Ultra-high curvature single-walled carbon nanotubes (SWCNTs) with diameters down to 0.37 nm were prepared by transformation of FeCp(2) peapods to double-walled CNTs (DWCNTs). Results from resonance Raman ... [more ▼]

Ultra-high curvature single-walled carbon nanotubes (SWCNTs) with diameters down to 0.37 nm were prepared by transformation of FeCp(2) peapods to double-walled CNTs (DWCNTs). Results from resonance Raman scattering and high resolution transmission electron microscopy (TEM) were compared to calculations on the molecular dynamical, many electron corrected extended tight binding, and density functional theory (DFT) level. The growth process was found to be catalytic from Fe(3)C particles inside the tubes with dimensions of a crystallographic unit cell. The electronic structure showed dramatic deviations from tight binding results. The family behavior leads to level crossing already for E(11) and E(22) transitions. Experimental results fitted well into a Kataura-Popov plot and allowed assignment for the observed Raman lines of the inner tubes. Experimental and calculated radial breathing mode (RBM) frequencies showed a systematic difference indicating a radial expansion of the smallest inner tubes and a radial compression for the larger tubes. (c) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim [less ▲]

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See detailFunctional analysis of a potassium-chloride co-transporter 3 (SLC12A6) promoter polymorphism leading to an additional DNA methylation site
Moser, D.; Ekawardhani, S.; Kumsta, Robert UL et al

in Neuropsychopharmacology (2009), 34(2), 458-467

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See detailCharacterization of a glucocorticoid receptor gene (GR, NR3C1) promoter polymorphism reveals functionality and extends a haplotype with putative clinical relevance
Kumsta, Robert UL; Moser, D.; Streit, F. et al

in American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics (2009), 150(4), 476-482

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See detailThe glucocorticoid receptor gene exon 1-F promoter is not methylated at the NGFI-A binding site in human hippocampus
Moser, D.; Molitor, A.; Kumsta, Robert UL et al

in World Journal of Biological Psychiatry (2007), 8(4), 262-268

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