Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
2011-2-22
pubmed:abstractText
Human Thy-1 (CD90) has been shown to mediate adhesion of inflammatory cells to activated microvascular endothelial cells via interaction with Mac-1 (CD11b/CD18) in vitro. Since there are no data showing the physiological relevance of Thy-1 for the recruitment of inflammatory cells in vivo, different inflammation models were investigated in Thy-1-deficient mice and littermate controls. In thioglycollate-induced peritonitis, the number of neutrophils and monocytes was significantly diminished in Thy-1-deficient mice. During acute lung inflammation, the extravasation of eosinophils and monocytes into the lung was significantly reduced in Thy-1-deficient mice. Moreover, during chronic lung inflammation, the influx of eosinophils and monocytes was also strongly decreased. These effects were independent of Thy-1 expression on T cells, as shown by the transplantation of WT BM into the Thy-1-deficient mice. In spite of the strong Thy-1 expression on T cells in the chimeric mice, the extravasation of the inflammatory cells in these mice was significantly diminished, compared to control mice. Finally, the altered number and composition of infiltrating leukocytes in Thy-1-deficient mice modified the chemokine/cytokine and protease expression at the site of inflammation. In conclusion, Thy-1 is involved in the control of inflammatory cell recruitment and, thus, also in conditioning the inflammatory microenvironment.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Mar
pubmed:issn
1521-4141
pubmed:author
pubmed:copyrightInfo
Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
pubmed:issnType
Electronic
pubmed:volume
41
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
645-56
pubmed:meshHeading
pubmed-meshheading:21264853-Animals, pubmed-meshheading:21264853-Antigens, Thy-1, pubmed-meshheading:21264853-Cell Adhesion, pubmed-meshheading:21264853-Cell Movement, pubmed-meshheading:21264853-Chemokines, pubmed-meshheading:21264853-Endothelial Cells, pubmed-meshheading:21264853-Eosinophils, pubmed-meshheading:21264853-Humans, pubmed-meshheading:21264853-Inflammation, pubmed-meshheading:21264853-Interleukins, pubmed-meshheading:21264853-Leukocytes, pubmed-meshheading:21264853-Mice, pubmed-meshheading:21264853-Mice, 129 Strain, pubmed-meshheading:21264853-Mice, Inbred C57BL, pubmed-meshheading:21264853-Mice, Knockout, pubmed-meshheading:21264853-Monocytes, pubmed-meshheading:21264853-Neutrophils, pubmed-meshheading:21264853-Peptide Hydrolases, pubmed-meshheading:21264853-Peritonitis, pubmed-meshheading:21264853-Pneumonia, pubmed-meshheading:21264853-T-Lymphocytes, pubmed-meshheading:21264853-Transplantation Chimera
pubmed:year
2011
pubmed:articleTitle
Thy-1 (CD90) regulates the extravasation of leukocytes during inflammation.
pubmed:affiliation
Department of Dermatology, Venerology and Allergology, Medical Faculty of Leipzig University, Leipzig, Germany.
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't