New aspects of integrin-mediated leukocyte adhesion in inflammation: regulation by haemostatic factors and bacterial products.
Leukocyte recruitment to sites of inflammation, infection or vascular injury is a complex event, depending on a tightly coordinated sequence of leukocyte-endothelial- and leukocyte-platelet interactions, which are controlled by the expression and activation of various adhesion receptors and protease systems. The present review will focus on novel aspects of the regulation of integrin-dependent leukocyte adhesion by haemostatic factors and bacterial products. In particular, after a short overview of leukocyte recruitment, the review (i) will focus on the crosstalk between haemostatic factors and adhesion molecules with respect to leukocyte extravasation based on the paradigms of the urokinase receptor and high molecular weight kininogen, (ii) will provide information on novel mechanisms for the regulation of leukocyte recruitment by bacterial proteins, on the basis of the anti-inflammatory role of Staphylococcus aureus extracellular adhesive protein and (iii) will draw attention to the junctional adhesion molecules, a novel family of adhesive receptors that are counter-receptors for leukocyte integrins and mediate vascular cell interactions. The better understanding of the interactions between vascular cells and particularly of integrin-dependent leukocyte adhesion may lead to the development of novel therapeutical concepts in inflammatory vascular disorders.
Rhee
Joong-Sup
JS
Institute for Biochemistry, Medical Faculty, Justus-Liebig-University, Giessen, Germany.
Santoso
Sentot
S
Herrmann
Mathias
M
Bierhaus
Angelika
A
Kanse
Sandip M
SM
May
Andreas E
AE
Nawroth
Peter P
PP
Colman
Robert W
RW
Preissner
Klaus T
KT
Chavakis
Triantafyllos
T
D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D002448:Cell Adhesion; D004730:Endothelium, Vascular / Q000378:metabolism; D006487:Hemostasis; D006801:Humans; D007249:Inflammation / Q000276:immunology*; D016023:Integrins / Q000378:metabolism*; D007704:Kininogens / Q000378:metabolism; D007962:Leukocytes / Q000166:cytology*; D008954:Models, Biological; D011956:Receptors, Cell Surface / Q000378:metabolism; D055293:Receptors, Urokinase Plasminogen Activator; D013211:Staphylococcus aureus / Q000378:metabolism
D016023:Integrins; D007704:Kininogens; C524898:PLAUR protein, human; D011956:Receptors, Cell Surface; D055293:Receptors, Urokinase Plasminogen Activator