Antioxidant supplementation alters cytokine production from monocytes

Dimitrios Toumpanakis, Maria Helena Karatza, Paraskevi Katsaounou, Charis Roussos, Spyros Zakynthinos, Andreas Papapetropoulos, Theodoros Vassilakopoulos

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We studied in 10 healthy subjects the effect of chronic enteral supplementation of antioxidants (vitamins E, C, A, allopurinol, and N-acetylcysteine) on cytokine production by monocytes at rest, end exercise (60-min cycling at 60 of maximum oxygen consumption), and 60 min post-exercise (recovery). The percentage and the mean fluorescent intensity (MFI) of both unstimulated and lipopolysaccharide (LPS)-stimulated tumor necrosis factor (TNF)-, interleukin (IL)-1, and IL-6-producing monocytes were detected using flow cytometry. Antioxidants decreased the percentage of unstimulated IL-6-producing monocytes following exercise, while their MFI increased at rest. The percentage of LPS-stimulated monocytes increased after exercise and they produced more IL-6 both at rest and following exercise. The percentage of unstimulated and LPS-stimulated IL-1-producing monocytes was not affected by antioxidants. The MFI of IL-1-produced unstimulated monocytes was increased after antioxidants both at rest and following exercise. After antioxidants, LPS-stimulated monocytes produced more IL-1 following exercise. Antioxidants decreased the percentage of TNF- spontaneously-produced monocytes following exercise, which produced more TNF- at recovery. Antioxidants did not affect the percentage of LPS-stimulated monocytes producing TNF-, while LPS-stimulated production of TNF- increased both at rest and following exercise. Antioxidants differentially affect TNF-, IL-1, and IL-6 production by monocytes, with a general tendency of augmenting cytokine production.

Original languageEnglish (US)
Pages (from-to)741-748
Number of pages8
JournalJournal of Interferon and Cytokine Research
Volume29
Issue number11
DOIs
StatePublished - Nov 1 2009
Externally publishedYes

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Monocytes
Antioxidants
Cytokines
Exercise
Lipopolysaccharides
Interleukin-1
Tumor Necrosis Factor-alpha
Interleukin-6
Allopurinol
Acetylcysteine
Vitamin E
Oxygen Consumption
Ascorbic Acid
Small Intestine
Healthy Volunteers
Flow Cytometry

ASJC Scopus subject areas

  • Immunology
  • Cell Biology
  • Virology

Cite this

Toumpanakis, D., Karatza, M. H., Katsaounou, P., Roussos, C., Zakynthinos, S., Papapetropoulos, A., & Vassilakopoulos, T. (2009). Antioxidant supplementation alters cytokine production from monocytes. Journal of Interferon and Cytokine Research, 29(11), 741-748. https://doi.org/10.1089/jir.2008.0114

Antioxidant supplementation alters cytokine production from monocytes. / Toumpanakis, Dimitrios; Karatza, Maria Helena; Katsaounou, Paraskevi; Roussos, Charis; Zakynthinos, Spyros; Papapetropoulos, Andreas; Vassilakopoulos, Theodoros.

In: Journal of Interferon and Cytokine Research, Vol. 29, No. 11, 01.11.2009, p. 741-748.

Research output: Contribution to journalArticle

Toumpanakis, D, Karatza, MH, Katsaounou, P, Roussos, C, Zakynthinos, S, Papapetropoulos, A & Vassilakopoulos, T 2009, 'Antioxidant supplementation alters cytokine production from monocytes', Journal of Interferon and Cytokine Research, vol. 29, no. 11, pp. 741-748. https://doi.org/10.1089/jir.2008.0114
Toumpanakis, Dimitrios ; Karatza, Maria Helena ; Katsaounou, Paraskevi ; Roussos, Charis ; Zakynthinos, Spyros ; Papapetropoulos, Andreas ; Vassilakopoulos, Theodoros. / Antioxidant supplementation alters cytokine production from monocytes. In: Journal of Interferon and Cytokine Research. 2009 ; Vol. 29, No. 11. pp. 741-748.
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