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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-17207

Wick, N; Haluza, D; Gurnhofer, E; Raab, I; Kasimir, M T; Prinz, M; Steiner, C W; Reinisch, C; Howorka, A; Giovanoli, P; Buchsbaum, S; Krieger, S; Tschachler, E; Petzelbauer, P; Kerjaschki, D (2008). Lymphatic precollectors contain a novel, specialized subpopulation of podoplanin low, CCL27-expressing lymphatic endothelial cells. American Journal of Pathology, 173(4):1202-1209.

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Expression of the lymphoendothelial marker membrane mucoprotein podoplanin (podo) distinguishes endothelial cells of both blood and lymphatic lineages. We have previously discovered two distinct subpopulations of lymphatic endothelial cells (LECs) in human skin that were defined by their cell surface densities of podoplanin and were designated LEC podo-low and LEC podo-high. LEC podo-low is restricted to lymphatic precollector vessels that originate from initial LEC podo-high-containing lymphatic capillaries and selectively express several pro-inflammatory factors. In addition to the chemokine receptor protein Duffy blood group antigen receptor for chemokines, these factors include the constitutively expressed chemokine CCL27, which is responsible for the accumulation of pathogenic CCR10+ T lymphocytes in human inflammatory skin diseases. In this study, we report that CCR10+ T cells accumulate preferentially both around and within CCL27+ LEC podo-low precollector vessels in skin biopsies of human inflammatory disease. In transmigration assays, isolated CCR10+ T lymphocytes are chemotactically attracted by LEC podo-low in a CCL27-dependent fashion, but not by LEC podo-high. These observations indicate that LEC podo-low-containing precollector vessels constitute a specialized segment of the initial lymphatic microvasculature, and we hypothesize that these LEC podo-low-containing vessels are involved in the trafficking of CCR10+ T cells during skin inflammation.


36 citations in Web of Science®
35 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Reconstructive Surgery
Dewey Decimal Classification:610 Medicine & health
Deposited On:04 Mar 2009 09:21
Last Modified:05 Apr 2016 13:08
Publisher DOI:10.2353/ajpath.2008.080101
PubMed ID:18772332

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