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Cyclosporin A inhibits CD11a/CD18 adhesion molecules due to inhibition of TNFα and IL-1β levels in the mouse model of pleurisy induced by carrageenan

By Eduardo Monguilhott Dalmarco, Yara Santos Medeiros and Tânia Silvia Fröde

Abstract

The mouse model of pleurisy induced by carrageenan is characterized by a significant enhancement of cell migration due to neutrophils 4 h after pleurisy induction. Forty-eight hours after pleurisy induction, a significant increase in cell migration due to mononuclear cells occurs. Recently, studies in our laboratory have demonstrated that cyclosporine A (CsA) inhibits leukocyte migration in the pleural cavity and lungs in the mouse model of pleurisy induced by carrageenan. In the present work we evaluated whether CsA was able to downregulate CD11a/CD18 adhesion molecule in the lungs, as well as TNFα and IL-1β levels in the fluid leakage of the pleural cavity in this model. Our results showed that CsA significantly decreased CD11a/CD18 in the lungs, as well as TNFα and IL-1β levels in the fluid leakage of the pleural cavity 4 h and 48 h after pleurisy induction. It is our hypothesis that the inhibitory effect elicited by CsA upon these adhesion molecules may be also be attributed to the downregulation of TNFα and IL-1β cytokines

Topics: Research Paper
Publisher: Landes Bioscience
OAI identifier: oai:pubmedcentral.nih.gov:2633681
Provided by: PubMed Central
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