Evidence that inhibition of phorbol ester-induced superoxide anion formation by cyclosporin A in phagocytes is not mediated by direct inhibition of protein kinase C

URN to cite this document:: urn:nbn:de:bvb:355-epub-232964
DOI to cite this document:: 10.5283/epub.23296

Wenzel-Seifert, K. ; Schächtele, C. ; Hummel, R. ; Grünbaum, L. ; Seifert, Roland

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Date of publication of this fulltext: 26 Jan 2012 08:25

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Abstract

Cyclosporin A (CsA) has been reported to inhibit phorbol myristate acetate (PMA)-induced superoxide anion (O2-) formation in human neutrophils and murine macrophages. We found that CsA inhibited O2- formation in HL-60 cells induced by PMA (30 nM) and phorbol dibutyrate (200 nM) with a half-maximal effect at 1 and 0.75 microM, respectively. One possible target of CsA action is protein kinase C ...