P- and E-selectins are required for the leukocyte recruitment, but not the tissue swelling, associated with IgE- and mast cell-dependent inflammation in mouse skin

Fernando De Mora, Cara M M Williams, Paul S. Frenette, Denisa D. Wagner, Richard O. Hynes, Stephen J. Galli

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Many studies, in both experimental animal and human systems, have indicated that P- and/or E-selectins may contribute importantly to the leukocyte recruitment that occurs in association with mast cell-dependent inflammatory responses. We used mice that genetically lack P-selectin (P -/- ), E-selectin (E -/-), or both selectins (P/E -/-) to investigate the possible roles of these selectins in the IgE- end mast cell-dependent recruitment of neutrophils to the skin of mice. We found that a lack of either or both selectins had little or no effect on the extent of mast cell degranulation or the tissue swelling associated with these reactions. Moreover, a lack of either P- or E-selectin alone did not reduce the neutrophil infiltration at the reaction sites. However, mice lacking both P- and E-selectins exhibited an almost complete ablation of IgE- and mast cell- dependent neutrophil recruitment. These findings show that P- and E-selectins can express overlapping functions in leukocyte recruitment associated with IgE- and mast cell-dependent cutaneous late-phase reactions in mouse skin, and that a lack of both selectins results in a virtual elimination of IgE- dependent leukocyte recruitment.

Original languageEnglish (US)
Pages (from-to)497-505
Number of pages9
JournalLaboratory Investigation
Volume78
Issue number4
StatePublished - Apr 1998
Externally publishedYes

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P-Selectin
E-Selectin
Mast Cells
Immunoglobulin E
Leukocytes
Inflammation
Selectins
Skin
Neutrophil Infiltration
Cell Degranulation

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

P- and E-selectins are required for the leukocyte recruitment, but not the tissue swelling, associated with IgE- and mast cell-dependent inflammation in mouse skin. / De Mora, Fernando; Williams, Cara M M; Frenette, Paul S.; Wagner, Denisa D.; Hynes, Richard O.; Galli, Stephen J.

In: Laboratory Investigation, Vol. 78, No. 4, 04.1998, p. 497-505.

Research output: Contribution to journalArticle

De Mora, Fernando ; Williams, Cara M M ; Frenette, Paul S. ; Wagner, Denisa D. ; Hynes, Richard O. ; Galli, Stephen J. / P- and E-selectins are required for the leukocyte recruitment, but not the tissue swelling, associated with IgE- and mast cell-dependent inflammation in mouse skin. In: Laboratory Investigation. 1998 ; Vol. 78, No. 4. pp. 497-505.
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AU - Wagner, Denisa D.

AU - Hynes, Richard O.

AU - Galli, Stephen J.

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