期刊
PSYCHONEUROENDOCRINOLOGY
卷 78, 期 -, 页码 233-236出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2017.01.029
关键词
Atomoxetine; Alpha amylase; Noradrenaline; Sympathetic; Yohimbine; Locus-coeruleus; Noradrenergic
资金
- Consolidator Grant of the European Research Council
It has been suggested that central norepinephrine (NE) activity may be inferred from increases in salivary alpha-amylase (SAA), but data in favor of this proposition are limited. We administered 40 mg of atomoxetine, a selective NE transporter blocker that increases central NE levels, to 24 healthy adult participants in a double-blind, placebo-controlled cross-over design. Atomoxetine administration significantly increased SAA secretion and concentrations at 75-180 min after treatment (more than doubling baseline levels). Consistent with evidence that elevation in central NE is a co-determinant of hypothalamic-pituitary adrenal axis activity, salivary cortisol also approximately doubled at the same time points. Moreover, changes in salivary cortisol positively correlated with SAA (0.44 < rho <0.56), bolstering the position that the origin of the changes in SAA reflect central NE. This work points toward the potential value of SAA as an inexpensive and non-invasive procedure to obtain information about activation of the central NE system. (C) 2017 Elsevier Ltd. All rights reserved.
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