Expression of CD64 (Fc gamma RI) in skin of patients with acute GVHD

A. van Royen-Kerkhof, V. Walraven, E.A.M. Sanders, R.A. de Weger, D.F. van Wichen, E. de Koning, T. Thepen, J.G.J. van de Winkel, J.H.W. Leusen

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

GVHD remains a major problem in allo-SCT. We explored the presence of APC in skin biopsies of GVHD patients, using the IgG receptor CD64 expression as a hallmark for activated APC. By immunohistochemistry we demonstrated CD64 to be upregulated on host APC in skin biopsies of patients with acute GVHD and, less prominently, in chronic GVHD. Double staining for CD32 polymorphism revealed CD64-positive cells to be mainly of host origin. The majority of CD64-positive cells coexpressed CD68, indicating a macrophage phenotype. Given its very restricted cellular distribution, CD64 may represent an excellent target for APC-directed therapies in GVHD. Bone Marrow Transplantation (2011) 46, 1566-1569; doi:10.1038/bmt.2010.337; published online 17 January 2011

Original languageEnglish
Pages (from-to)1566-1569
Number of pages4
JournalBone Marrow Transplantation
Volume46
Issue number12
DOIs
Publication statusPublished - Dec 2011

Keywords

  • graft-versus-host disease
  • IgG receptor
  • CD64
  • immunotherapy
  • macrophage
  • VERSUS-HOST-DISEASE
  • DENDRITIC CELLS
  • MACROPHAGES
  • RECEPTOR
  • TRANSPLANTATION
  • POLYMORPHISM

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