Journal
SEMINARS IN IMMUNOPATHOLOGY
Volume 34, Issue 3, Pages 401-413Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00281-012-0302-3
Keywords
Gastrointestinal tract; Chronic inflammation; High endothelial venule (HEV); Peripheral lymph node addressin (PNAd); Mucosal addressin cell adhesion molecule 1 (MAdCAM-1)
Categories
Funding
- Ministry of Education, Culture, Sports, Science and Technology of Japan [B-18790240, B-20790278, B-22790343, 14082201]
- Japan Society for the Promotion of Science [B-18390113, B-21390104]
- National Institutes of Health [RO1 CA48737, CA33000, PO1 CA71932]
- Grants-in-Aid for Scientific Research [18790240, 22790343, 20790278, 24590410, 14082201] Funding Source: KAKEN
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Under normal and pathological conditions, lymphocyte migration into the gastrointestinal mucosa to form gut-associated lymphoid tissue is mediated by the L-selectin ligand peripheral lymph node addressin and the integrin alpha 4 beta 7 ligand mucosal addressin cell adhesion molecule 1 (MAdCAM-1) expressed on high endothelial venules (HEVs) and HEV-like vessels. In this review, we discuss these two distinct lymphocyte homing systems involved in the pathogenesis of chronic inflammatory gastrointestinal diseases with reference to our and others' previously published works. We also describe a recently developed recombinant integrin alpha 4 beta 7 heterodimeric IgG chimera that can be used as an immunohistochemical reagent to stain functional MAdCAM-1.
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