Regulation of fucosyltransferase-VII expression in peripheral lymph node high endothelial venules

V V Swarte, D H Joziasse, D H Van den Eijnden, B Petryniak, J B Lowe, G Kraal, R E Mebius

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Binding of L-selectin to the highly glycosylated peripheral lymph node addressins (PNAd) plays a central role in the normal recirculation of lymphocytes between the bloodstream and the lymph node. This interaction requires correct fucosylation of the PNAd, mediated by the recently identified fucosyltransferase-VII (Fuc-TVII). Here we show that during ontogeny Fuc-TVII is absent at the day of birth, barely detectable on day 1, and clearly present from day 2 onwards. PNAd expression as detected by the MECA-79 antibody precedes the expression of Fuc-TVII. Furthermore, we demonstrate that in adult mice antigenic stimulation of peripheral lymph nodes leads to a temporary disappearance of Fuc-TVII at days 2 and 3 after stimulation, followed by a complete reappearance by day 4, while expression of MECA-79 is never completely absent during this period. Finally, occlusion of afferent lymphatics to peripheral lymph nodes resulted in a decreased expression of Fuc-TVII in the high endothelial venules by day 5, and complete disappearance within 8 days. We conclude that the activity of Fuc-TVII in cells of high endothelial venules is directly affected by afferent lymph and activation processes that occur in the lymph node after antigenic stimulation. The expression of Fuc-TVII is therefore yet another level at which the function of high endothelial venules, and thus lymphocyte trafficking, can be regulated.

Original languageEnglish
Pages (from-to)3040-7
Number of pages8
JournalEuropean journal of immunology
Issue number10
Publication statusPublished - Oct 1998


  • Animals
  • Antibodies, Monoclonal
  • Antigens, Surface/biosynthesis
  • Cell Adhesion Molecules/immunology
  • Endothelium, Vascular/enzymology
  • Fucosyltransferases/biosynthesis
  • Gene Expression Regulation, Developmental
  • Gene Expression Regulation, Enzymologic
  • Lymph Nodes/embryology
  • Membrane Proteins
  • Mice
  • Mice, Inbred BALB C
  • Oxazolone/pharmacology

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