Volume 208, Issue 4 p. 574-589
Original Paper

Differential expression of a gene signature for scavenger/lectin receptors by endothelial cells and macrophages in human lymph node sinuses, the primary sites of regional metastasis

J-H Martens

J-H Martens

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

These authors contributed equally to this work.

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J Kzhyshkowska

Corresponding Author

J Kzhyshkowska

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

These authors contributed equally to this work.

Department of Dermatology, University Medical Centre Mannheim, University of Heidelberg, Theodor-Kutzer Ufer 1–3, 68167 Mannheim, Germany.Search for more papers by this author
M Falkowski-Hansen

M Falkowski-Hansen

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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K Schledzewski

K Schledzewski

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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A Gratchev

A Gratchev

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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U Mansmann

U Mansmann

Biometry and Bioinformatics IBE, Medical School LMU München, Germany

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C Schmuttermaier

C Schmuttermaier

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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E Dippel

E Dippel

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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W Koenen

W Koenen

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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F Riedel

F Riedel

Department of Otolaryngology, and Head and Neck Surgery, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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M Sankala

M Sankala

Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden

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K Tryggvason

K Tryggvason

Division of Matrix Biology, Department of Medical Biochemistry and Biophysics, Karolinska Institute, Stockholm, Sweden

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L Kobzik

L Kobzik

Department of Environmental Health, Harvard School of Public Health, Boston, USA

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G Moldenhauer

G Moldenhauer

German Cancer Research Centre, Heidelberg, Germany

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B Arnold

B Arnold

German Cancer Research Centre, Heidelberg, Germany

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S Goerdt

S Goerdt

Department of Dermatology, University Medical Centre Mannheim, Ruprecht-Karls University Heidelberg, Mannheim, Germany

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First published: 26 January 2006
Citations: 98

Abstract

Sentinel lymph node biopsy for several cancers has shown that metastatic tumour cells are preferentially arrested in the lymph node sinuses. To study the molecular components of this sinusoidal trap, gene profiling of lymph node (sinuses) versus tonsil (no sinuses) was performed. Among other groups of molecules, an intriguing gene signature of scavenger and lectin-like receptors was identified. Nine of the 13 genes were preferentially expressed in sinusoidal cells by immunohistochemistry. Using stabilin-2 and monoclonal antibody 3A5 as exclusive endothelial cell (EC) and macrophage (Mφ) markers, respectively, lymph node sinusoidal ECs (stabilin-2+, LYVE-1+, DC-SIGNR+, MARCO+, stabilin-1+, MMR+) and sinusoidal Mφ (MMR+, DC-SIGN+, sialoadhesin+, CD163+, stabilin-1+ ) showed distinct, but overlapping expression patterns of the signature molecules by double labelling immunofluorescence. The number of stabilin-1+ sinusoidal Mφ, however, varied considerably between samples, indicating turnover/differentiation dynamics in this sinusoidal cell population. In the hepatic sinuses, LYVE-1 and CD36 were strongly up-regulated on both sinusoidal ECs and Mφ, while DC-SIGNR and DC-SIGN were strongly down-regulated; in contrast to lymph node sinusoidal ECs, MARCO was confined to Mφ (Kupffer cells) in the liver sinuses. As Mφ are not present in the wall and lumen of splenic sinuses, splenic sinuses expressed a considerably reduced repertoire of scavenger/lectin receptors lacking sialoadhesin, CD36, CD163, and MARCO; in addition, DC-SIGNR was absent from splenic sinusoidal ECs, while DC-SIGN and thrombomodulin were strongly expressed. Interestingly, most of the signature molecules are known to mediate tumour cell adhesion in addition to their functions as scavenger or pattern recognition receptors. This study establishes a gene and tissue database platform to test the hypothesis that additive expression of the lymph node sinus signature genes in sinusoidal ECs and Mφ may contribute to selective tumour cell metastasis in lymph nodes and liver including organ-specific mechanisms, such as intraluminal retention or transmigration, while sparing the spleen. Copyright © 2006 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.