FUROSEMIDE AND SPIRONOLACTONE REDUCE TRANSMIGRATION OF LEUKOCYTES THROUGH ENDOTHELIAL CELL MONOLAYERS

Authors: Hofbauer R.; Frass M.; Pasching E.; Gmeiner B.; Kaye A. D.; Kapiotis S.

Source: Journal of Toxicology and Environmental Health Part A, Volume 65, Number 9, 10 May 2002 , pp. 685-693(9)

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Abstract:

Furosemide and spironolactone reduce transmigration of leukocytes through endothelial cell monolayers. Leukocytes play a tremendous role during inflammation. Leukocytes migrate from intravascular space into the tissue to attack microorganisms. Various agents are able to influence leukocyte recruitment. The influence of diuretics, such as furosemide and spironolactone, on inflammatory processes is not well known. The aim of our study was to examine the influence of furosemide and spironolactone on leukocyte migration through endothelial cell monolayers (ECM). Human umbilical vein endothelial cells were cultured on microporous membranes achieving a monolayer. Polymorphonuclear leukocytes (PMNL) were used in a currently described migration assay. PMNL and/or ECM were pretreated with furosemide and spironolactone using therapeutic, as well as higher and lower, concentrations. Furosemide (76 ± 7.2%) and spironolactone (70 ± 7.7%) were able to inhibit PMNL migration through ECM significantly, when both cell types were treated simulating the situation after an iv injection. Furosemide and spironolactone were identified as potent inhibitors of leukocyte migration through ECM.

Language: English

Document Type: Research article

Publication date: 2002-05-10

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