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- Bf1fc0b3b90e979e25068c3b2cb6db892 NCIT_P378 "BIOCARTA" @default.
- Bf1fc0b3b90e979e25068c3b2cb6db892 type Axiom @default.
- Bf1fc0b3b90e979e25068c3b2cb6db892 annotatedProperty NCIT_P325 @default.
- Bf1fc0b3b90e979e25068c3b2cb6db892 annotatedSource NCIT_C39097 @default.
- Bf1fc0b3b90e979e25068c3b2cb6db892 annotatedTarget "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 homophilic interactions of PECAM and CD31. (This definition may be outdated - see the DesignNote.)" @default.