volume 47, issue 4, P371-377 1990
DOI: 10.1002/jlb.47.4.371
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N.K. Ellis, G.P. Duffie, M.R. Young, H.T. Wepsic

Abstract: Prostaglandins function as down regulators of immune responses probably by increasing the concentration of intracellular cAMP. Phosphodiesterase inhibitors, which prevent the breakdown of cAMP, also increase the intracellular levels of cAMP. Prostaglandins and phosphodiesterase inhibitors have both been shown to suppress immune responses in vitro. In this study 16,16-dimethyl PGE2 (dm-PGE2), added in vitro, suppressed the mouse spleen cell concanavalin A (Con A) response by 38% and natural killer (NK) activity…

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