Correlation of different cellular assays to analyze T cell-related cytokine profiles in vitamin D 3 -supplemented patients with multiple sclerosis

Linda Rolf, Joost Smolders, Jody van den Ouweland, Raymond Hupperts, Jan Damoiseaux*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

10 Citations (Scopus)

Abstract

Different laboratory approaches have been exploited to analyze an effect of vitamin D 3 supplements on T cell cytokine profiles in multiple sclerosis, with poorly reproducible results. We assessed the correlation between intra-cellular flowcytometry analysis of CD4 T cell-enriched CD3 + CD8 lymphocytes after PMA/ionomycin stimulation directly ex-vivo or after 72 h pre-stimulation with anti-CD3, and cytokine levels excreted in culture supernatants. Pre-stimulation with anti-CD3 resulted in higher proportions of cells positive for IFN-γ IL-17 A, IL-4, IL-10 and GM-CSF (all P < 0.001), but not TNF-α. Positive correlation between approaches was highly variable, but most eminent for IFN- γ and IL-4 (R = 0.608-0.612 and R = 0.677-0.777, resp., all P < 0.001). No effect of 16-weeks vitamin D 3 supplements on any outcome was found except for a decreased TNF-α concentration in culture supernatants. Choice of immune-assay is, apparently, a relevant confounder for the reproducibility of individual studies.

Original languageEnglish
Pages (from-to)198-204
Number of pages7
JournalMolecular Immunology
Volume105
DOIs
Publication statusPublished - Jan 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

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