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Clinical Trial
. 2008 Nov 15;64(10):907-11.
doi: 10.1016/j.biopsych.2008.05.035. Epub 2008 Jul 26.

Elevated Neuroimmune Biomarkers in Sweat Patches and Plasma of Premenopausal Women With Major Depressive Disorder in Remission: The POWER Study

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Free PMC article
Clinical Trial

Elevated Neuroimmune Biomarkers in Sweat Patches and Plasma of Premenopausal Women With Major Depressive Disorder in Remission: The POWER Study

Giovanni Cizza et al. Biol Psychiatry. .
Free PMC article

Abstract

Background: Major depressive disorder (MDD) is inconsistently associated with elevations in proinflammatory cytokines and neuropeptides. We used a skin sweat patch, recently validated in healthy control subjects, and recycling immunoaffinity chromatography to measure neuroimmune biomarkers in patients with MDD mostly in remission.

Methods: We collected blood at 8:00 am and applied skin sweat patches for 24 hours in 21- to 45-year-old premenopausal women (n = 19) with MDD (17/19 in remission) and age-matched healthy controls (n = 17) participating in the POWER (Premenopausal, Osteopenia/Osteoporosis, Women, Alendronate, Depression) Study.

Results: Proinflammatory cytokines, neuropeptide Y, substance P, and calcitonin-gene-related peptide were significantly higher and vasoactive intestinal peptide, a marker of parasympathetic activity, was significantly lower in patients compared to controls, and depressive symptomatology strongly correlated with biomarker levels. All analytes were strongly correlated in the skin sweat patch and plasma in patients (r = .73 to .99; p < .0004).

Conclusions: The skin sweat patch allows detection of disrupted patterns of proinflammatory cytokines and neuropeptides in women with MDD in clinical remission, which could predispose to medical consequences such as cardiovascular disease, osteoporosis, and diabetes. This method permits measurement of cytokines in ambulatory settings where blood collection is not feasible.

Conflict of interest statement

FINANCIAL DISCLOSURES

All authors reported no biomedical financial interests or potential conflicts of interest.

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