Systematic name M5467
Brief description Adhesion and Diapedesis of Granulocytes
Full description or abstract Cell adhesion is a fundamental feature of multicellular organisms including their defense mechanisms. In the later case in mammals, leukocytes play central role. They bind bacteria, parasites, viruses, tumor cells etc. Furthermore, their interactions with the endothelium are of special importance. During an inflammation or immune reaction, specialized leukocytes (eosinophilic granulocytes) adhere to and pass through the endothelium of the blood vessels and the underlying matrix. The reaction passes through the following steps: 1. Rolling (the flow of cells is slowed down by first making contacts to the endothelium via P-, E-, and L-selectins and their receptors); 2. Adhesion (After activation of leukocyte integrins, firm contacts are established between them and endothelium molecules of the Ig superfamily - LFA-1, Mac-1, VLA-4 etc.); 3. Flattening of the cells and diapedesis (Adhering leukocytes crawl to an intercellular junction of the endothelium and then transmigrate to or even through the intercellular matrix. This is mediated by a homophilic interactions of PECAM and CD31.
Collection C2: curated gene sets
      CP:BIOCARTA: BioCarta gene sets
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Organism Homo sapiens
Contributed by BioCarta
Source platform EntrezGeneIds
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Compendia expression profiles Human tissue compendium (Novartis)
NCI-60 cell lines (National Cancer Institute)
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