Expression of the intercellular adhesion molecule-1 on high endothelial venules and on non-lymphoid antigen handling cells: interdigitating cells, antigen transporting cells and follicular dendritic cells (original) (raw)

Abstract

Intercellular adhesion molecule-1 (ICAM-1)1 has been implicated in the development of germinal center reactions in vitro, and the present study was undertaken to determine the distribution of ICAM-1 in active germinal centers in vivo and in murine secondary lymphoid tissues in general. Anti-ICAM-1-specific monoclonal antibodies were used in conjunction with immunohistochemistry at both the light and ultrastructural levels of resolution. Examination of cryostat sections of lymph nodes, spleens, and Peyer's patches revealed that anti-ICAM-1 distinctly labeled cells in the light zones of germinal centers, a few cells in the T cell zones (e.g. paracortex of lymph nodes), cells in the sinus floor of the subcapsular sinuses of lymph nodes, and high endothelial venules (HEV). Ultrastructural studies revealed that the cells labeling with anti-ICAM-1 in germinal centers were follicular dendritic cells (FDC) which appeared to have more ICAM-1 than any other cell type. The surfaces of well-developed, intricate, convoluted FDC processes were intensely labeled even under conditions where B cells appeared negative. Interdigitating cells (IDC) were also labeled as were certain endothelial cells in the HEV. The cells in the subcapsular sinus floor labeling with anti-ICAM-1 were the “antigen transporting cells” (ATC) that carry antigen-antibody complexes into lymph node follicles. We suspect ATC are FDC precursors which mature into FDC in the follicles. Interestingly, FDC, IDC, and ATC are 3 important accessory cells known to handle antigens in specific compartments of lymphoid tissues. The marked localization of this adhesion molecule on these critical antigen handling cells supports the concept that ICAM-1 is important in providing the intercellular adhesion necessary for optimal initiation of immune responses in vivo.

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Abbreviations

ICAM-1 :

Intercellular adhesion molecule-1

LFA-1 :

leukocyte functional antigen-1

IDC :

interdigitating cells

ATC :

antigen transporting cells

FDC :

follicular dendritic cells

HEV :

high endothelial venules

DC :

dendritic cells

PBS :

phosphate-buffered saline

PLP :

periodate-lysine-4% paraformaldehyde

GPLP :

periodate-lysine-0.1% glutaraldehyde-2% paraformaldehyde

EM :

electron microscopy

HRP :

horseradish peroxidase

DAB :

diaminobenzidine tetrahydrochloride

HSA :

human serum albumin

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Authors and Affiliations

  1. Department of Microbiology and Immunology, Medical College of Virginia/Virginia Commonwealth University, Richmond, Va., USA
    Kunihiko Maeda, Marie H. Kosco-Vilbois, Greg F. Burton & John G. Tew
  2. Department of Pathology, Yamagata University School of Medicine, Yamagata, Japan
    Kunihiko Maeda
  3. Basel Institute for Immunology, Basel, Switzerland
    Marie H. Kosco-Vilbois
  4. Department of Anatomy, Division of Immunbiology, Medical College of Virginia, Virginia Commonwealth University, P.O. Box 709, 23298-0709, Richmond, VA, USA
    Andras K. Szakal

Authors

  1. Kunihiko Maeda
  2. Marie H. Kosco-Vilbois
  3. Greg F. Burton
  4. Andras K. Szakal
  5. John G. Tew

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Maeda, K., Kosco-Vilbois, M.H., Burton, G.F. et al. Expression of the intercellular adhesion molecule-1 on high endothelial venules and on non-lymphoid antigen handling cells: interdigitating cells, antigen transporting cells and follicular dendritic cells.Cell Tissue Res 279, 47–54 (1995). https://doi.org/10.1007/BF00300690

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