The House Dust Mite Allergen, Dermatophagoides pteronyssinus Suppresses the Chemotactic Activity of Human Monocytes

  • Lee, Ji-Sook (Department of Clinical Laboratory Science, Wonkwang Health Science University) ;
  • Yang, Eun Ju (Department of Clinical Laboratory Science, College of Health and Therapy, Daegu Hanny University) ;
  • Kim, In Sik (Department of Biomedical Laboratory Science, School of Medicine, Eulji University)
  • Received : 2012.12.20
  • Accepted : 2012.12.24
  • Published : 2012.12.31

Abstract

House dust mite (HDM) is important in the pathogenesis of allergic diseases including asthma and atopic dermatitis. Dermatophagoides pteronissinus (Dp) is one of major HDM allergens. In this study, we investigated that Dp extract (DpE) affects on the chemotactic activity of monocytes isolated from the peripheral blood. DpE inhibited the migration of human monocytes in response to CC chemokines such as MIP-$1{\alpha}$, RANTES, HCC-4, MCP-1, and TARC. DpE did not alter the expression of CC chemokine receptors (CCRs) such as CCR1, CCR2, CCR3, CCR4, and CCR5. These results indicate that DpE blocks the chemotaxis of human monocytes and its mechanism is not involved in alteration of CCR expression. Better understanding of the effect of DpE on monocytes will enable elucidation of the role of Dp in the development of allergic diseases.

Keywords

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