Arslan, R. C. et al. (2023) Not within spitting distance: salivary immunoassays of estradiol have subpar validity for predicting cycle phase. Psychoneuroendocrinology, 149, 105994. (doi: 10.1016/j.psyneuen.2022.105994)
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Abstract
Salivary steroid immunoassays are widely used in psychoneuroendocrinological studies of menstrual cycle phase, puberty, and menopause. Though manufacturers advertise their assays as suitable, they have not been rigorously validated for these purposes. We collated data from eight menstrual cycle studies across > 1200 female participants and > 9500 time points. Seven studies collected saliva and one collected serum. All assayed estradiol and progesterone and had an independent measure of cycle phase (LH-surge, menstrual onset). In serum, cycle phase measures strongly predicted steroid concentrations. In saliva, cycle phase poorly predicted estradiol values, which showed an upward bias compared to expectations from serum. For salivary progesterone, predictability from cycle phase was mixed, low for enzyme-linked assays and moderate for tandem mass spectrometry. Imputing the population-average serum steroid changes from cycle phase may yield more valid values of hormonal changes for an independent person than directly assessing their hormone levels using salivary immunoassays.
Item Type: | Articles |
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Additional Information: | Ruben C. Arslan is supported by the German Research Foundation (#464488178). Urszula M. Marcinkowska's study was supported by the Polish National Science Centre (grant number 2014/12/S/NZ8/00722). |
Status: | Published |
Refereed: | Yes |
Glasgow Author(s) Enlighten ID: | DeBruine, Professor Lisa |
Authors: | Arslan, R. C., Blake, K., Botzet, L. J., Bürkner, P.-C., DeBruine, L., Fiers, T., Grebe, N., Hahn, A., Jones, B. C., Marcinkowska, U. M., Mumford, S. L., Penke, L., Roney, J. R., Schisterman, E. F., and Stern, J. |
College/School: | College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience |
Journal Name: | Psychoneuroendocrinology |
Publisher: | Elsevier |
ISSN: | 0306-4530 |
ISSN (Online): | 1873-3360 |
Published Online: | 05 December 2022 |
Copyright Holders: | Copyright © 2022 Elsevier |
First Published: | First published in Psychoneuroendocrinology 149:105994 |
Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher |
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