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. 1976 Apr;24(1):42–48.

The effects of cyclic AMP on leucocyte inhibitory factor (LIF) production and on the inhibition of leucocyte migration.

R Lomnitzer, A R Rabson, H J Koornhof
PMCID: PMC1538516  PMID: 181189

Abstract

The effect of drugs known to increase intracellular levels of cyllic AMP were studied in the leucocyte migration ihibition system. It was found that cyclic AMP, dibutyryl cyclic AMP, theophyline, and prostaglandins E1 and E2 inhibited the production of leucocyte inhibiting factor by HA pulsed lymphocytes Inhibition only occured when the drugs were present during or after the PHA pulse. In addition it was found that these drugs enhanced the migration of polymorphonuclear leucocytes (PMN), in this system. Electrophoretic mobility of PMN cells was not altered by these drug indicating that the effect is not due to changes in membrane charge. However, granulocyte adhesion was reduced in the presence of these drug suggesting that adhesion is of primary importance in the migration of polymorphonuclear leucocytes out of capillary tubes. The findings show that cyclic AMP is important in modulating both cell-mediated and inflammatory responses.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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