Title : Pentoxifylline in vivo down-regulates the release of IL-1 beta, IL-6, IL-8 and tumour necrosis factor-alpha by human peripheral blood mononuclear cells.

Pub. Date : 1994 Oct

PMID : 7835945






8 Functional Relationships(s)
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1 Pentoxifylline in vivo down-regulates the release of IL-1 beta, IL-6, IL-8 and tumour necrosis factor-alpha by human peripheral blood mononuclear cells. Pentoxifylline interleukin 6 Homo sapiens
2 There is also recent evidence that PTX may influence other inflammatory cytokines, such as interleukin-1 (IL-1) and IL-6. Pentoxifylline interleukin 6 Homo sapiens
3 Due to the therapeutic implications, the present study addressed the in vivo effects of PTX on the release of TNF-alpha, IL-1 beta, IL-6 and IL-8 by human peripheral blood mononuclear cells (PBMC). Pentoxifylline interleukin 6 Homo sapiens
4 When PBMC were obtained from healthy volunteers ingesting 5 x 400 mg PTX orally for 2 days, the ability of PBMC cultured for 24 hr to release TNF-alpha was significantly reduced, while secretion of IL-1 beta, IL-6 and IL-8 was not affected. Pentoxifylline interleukin 6 Homo sapiens
5 Under these conditions, only TNF-alpha was found to be reduced by PTX, while IL-1 beta and IL-8 were not affected, IL-6 was even enhanced. Pentoxifylline interleukin 6 Homo sapiens
6 However, when PBMC were incubated with PTX for 24 hr, PTX removed thereafter by medium change and cells further cultured, the production not only of TNF-alpha but also of IL-1 beta, IL-6 and IL-8 was reduced, demonstrating that PTX exerts diverse (inhibitory) effects on cytokine release by PBMC. Pentoxifylline interleukin 6 Homo sapiens
7 However, when PBMC were incubated with PTX for 24 hr, PTX removed thereafter by medium change and cells further cultured, the production not only of TNF-alpha but also of IL-1 beta, IL-6 and IL-8 was reduced, demonstrating that PTX exerts diverse (inhibitory) effects on cytokine release by PBMC. Pentoxifylline interleukin 6 Homo sapiens
8 However, when PBMC were incubated with PTX for 24 hr, PTX removed thereafter by medium change and cells further cultured, the production not only of TNF-alpha but also of IL-1 beta, IL-6 and IL-8 was reduced, demonstrating that PTX exerts diverse (inhibitory) effects on cytokine release by PBMC. Pentoxifylline interleukin 6 Homo sapiens