Cell and Tissue Research

, Volume 328, Issue 2, pp 317–328

Basement membrane protein distribution in LYVE-1-immunoreactive lymphatic vessels of normal tissues and ovarian carcinomas

Authors

    • Institute of Biomedicine/AnatomyUniversity of Helsinki
  • Ralf Bützow
    • Department of PathologyHaartman Institute University of Helsinki
    • Department of Obstetrics and Gynecology, Research Laboratory, BiomedicumHelsinki University Central Hospital
  • Mika Hukkanen
    • Institute of Biomedicine/AnatomyUniversity of Helsinki
  • David G. Jackson
    • MRC Human Immunology UnitInstitute of Molecular Medicine, John Radcliffe Hospital
  • Taina Pihlajaniemi
    • Biocenter Oulu and Department of Medical Biochemistry and Molecular Biology, Collagen Research UnitUniversity of Oulu
  • Lynn Y. Sakai
    • Department of Biochemistry and Molecular Biology, Shriners Hospital for ChildrenOregon Health and Science University
  • Ismo Virtanen
    • Institute of Biomedicine/AnatomyUniversity of Helsinki
Regular Article

DOI: 10.1007/s00441-006-0366-2

Cite this article as:
Vainionpää, N., Bützow, R., Hukkanen, M. et al. Cell Tissue Res (2007) 328: 317. doi:10.1007/s00441-006-0366-2

Abstract

The endothelial cells of blood vessels assemble basement membranes that play a role in vessel formation, maintenance and function, and in the migration of inflammatory cells. However, little is known about the distribution of basement membrane constituents in lymphatic vessels. We studied the distribution of basement membrane proteins in lymphatic vessels of normal human skin, digestive tract, ovary and, as an example of tumours with abundant lymphatics, ovarian carcinomas. Basement membrane proteins were localized by immunohistochemistry with monoclonal antibodies, whereas lymphatic capillaries were detected with antibodies to the lymphatic vessel endothelial hyaluronan receptor-1, LYVE-1. In skin and ovary, fibrillar immunoreactivity for the laminin α4, β1, β2 and γ1 chains, type IV and XVIII collagens and nidogen-1 was found in the basement membrane region of the lymphatic endothelium, whereas also heterogeneous reactivity for the laminin α5 chain was detected in the digestive tract. Among ovarian carcinomas, intratumoural lymphatic vessels were found especially in endometrioid carcinomas. In addition to the laminin α4, β1, β2 and γ1 chains, type IV and XVIII collagens and nidogen-1, carcinoma lymphatics showed immunoreactivity for the laminin α5 chain and Lutheran glycoprotein, a receptor for the laminin α5 chain. In normal lymphatic capillaries, the presence of primarily α4 chain laminins may therefore compromise the formation of endothelial basement membrane, as these truncated laminins lack one of the three arms required for efficient network assembly. The localization of basement membrane proteins adjacent to lymphatic endothelia suggests a role for these proteins in lymphatic vessels. The distribution of the laminin α5 chain and Lutheran glycoprotein proposes a difference between normal and carcinoma lymphatic capillaries.

Keywords

Basement membraneLymphatic vesselEndotheliumLamininOvarian carcinomaHuman

Copyright information

© Springer-Verlag 2007