Erythropoietin inhibits cytokine production of neonatal and adult leukocytes

Christian Strunk, C Hartel, P Temming, N Matzke, J Zimmer, C Schultz

    Research output: Contribution to journalArticlepeer-review

    33 Citations (Scopus)


    Background: Erythropoietin (Epo) was originally defined as a hematopoietic growth factor, but also has potent tissue-protective properties. The cytokine-modulating actions of Epo have received scant attention. We hypothesized that Epo significantly influences the in vitro cytokine production in both neonates and adults.Methods: The effects of Epo were investigated using a standardized in vitro whole blood assay. Production of various cytokines was assessed by means of intracellular cytokine detection (IL-2, -6, -8, IFN-gamma and TNF-alpha) in preterm infants, term neonates and adults. Furthermore, synthesis of IL-4, -5 and -10 in adults was investigated via cytometric bead array.Results: Epo significantly inhibits the production of various cytokines in preterm infants, term neonates and adults. In CD3+ lymphocytes, Epo predominantly decreases the number of IL-2-positive cells in all age groups. Similarly, in CD14+ cells, Epo significantly diminishes the number of IL-6- and TNF-alpha-producing cells. Furthermore, Epo significantly inhibits the synthesis of IL-4, IL-5 and IL-10 in adults.Conclusion: rhEpo has significant inhibitory potential on the production of various cytokines by leukocytes in preterm and term infants as well as in adults. The described effect likely contributes to the tissue protective properties of Epo.
    Original languageEnglish
    Pages (from-to)16-20
    JournalActa Paediatrica
    Issue number1
    Publication statusPublished - 2008


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