Abstract
The inflammatory effects of a monocyte-derived neutrophil-activating peptide (MONAP), purified to homogeneity from lipopolysaccharide-stimulated human peripheral blood monocytes, have been evaluated in rabbit skin. Intradermal injection of MONAP alone caused a mild infiltration of polymorphonuclear leucocytes (PMNL) but did not induce any change in plasma extravasation. When combined with prostaglandin E2(PGE2), MONAP caused a marked and synergistic increase in PMNL infiltration and plasma extravasation into the injected skin sites. The increase in vascular permeability induced by MONAP depended on the presence of circulating PMNL. MONAP is a novel cytokine with pro-inflammatory properties and may have physiological and pathophysiological roles in health and disease.
MeSH Terms
Animals
Capillary Permeability
Chemotactic Factors/administration & dosage
Chemotaxis, Leukocyte
Dinoprostone/administration & dosage
Female
Humans
Injections, Intradermal
Interleukin-8
Leukocyte Count
Monocytes/immunology
Neutrophils/pathology
Rabbits
Skin/blood supply,immunology,pathology
Chemicals
Chemotactic Factors
Interleukin-8
Dinoprostone
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Foster S J
ICI Pharmaceuticals, Cheshire U.K.
Aked D M
Schröder J M
Christophers E
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