ISSN:
1573-2568
Keywords:
ethanol
;
hepatocytes
;
chemotactic factor
;
neutrophils
;
antiallergic agents
;
prednisolone
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Abstract In an attempt to clarify a mechanism of neutrophil infiltration in the liver of alcoholics and possible therapeutic effect of antiallergic agents on accumulation of these cells in the liver, we investigated chemotaxis of neutrophils by stimulation of a chemotactic factor released from rat hepatocytes exposed to ethanol. When hepatocytes were incubated with more than 30 mM ethanol for 24 hr, chemotactic activity for both rat and human neutrophils was demonstrated in the conditioned medium. An enhanced chemotactic activity of the conditioned medium was reduced in the presence of antibody against KC/gro protein, one of the interleukin-8-related cytokines in rodents. Antiallergic agents such as azelastine or ketotifen at a concentration of 〉0.01 µM markedly reduced chemotaxis of neutrophils. Prednisolone at a concentration of 〉10 µM also reduced chemotaxis of neutrophils. These results suggest that neutrophil accumulation in the liver of human alcoholics could be induced by a chemotactic factor produced by the ethanol-treated hepatocytes and that antiallergic agents could be effective against the extent of alcoholic hepatitis by reducing chemotaxis of neutrophils.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF02088066
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