Zsuzsa Bajtay - Academia.edu (original) (raw)

Zsuzsa Bajtay

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Papers by Zsuzsa Bajtay

Research paper thumbnail of Biologia Futura: stories about the functions of β2-integrins in human phagocytes

Biologia Futura

Integrins are essential membrane proteins that provide a tightly regulated link between the extra... more Integrins are essential membrane proteins that provide a tightly regulated link between the extracellular matrix and the intracellular cytoskeletal network. These cell surface proteins are composed of a non-covalently bound α chain and β chain. The leukocyte-specific complement receptor 3 (CR3, αMβ2, CD11b/CD18) and complement receptor 4 (CR4, αXβ2, CD11c/CD18) belong to the family of β2-integrins. These receptors bind multiple ligands like iC3b, ICAMs, fibrinogen or LPS, thus allowing them to partake in phagocytosis, cellular adhesion, extracellular matrix rearrangement and migration. CR3 and CR4 were generally expected to mediate identical functions due to their structural homology, overlapping ligand specificity and parallel expression on human phagocytes. Despite their similarities, the expression level and function of these receptors differ in a cell-type-specific manner, both under physiological and inflammatory conditions.We investigated comprehensively the individual role of...

Research paper thumbnail of Biologia Futura: stories about the functions of β2-integrins in human phagocytes

Biologia Futura

Integrins are essential membrane proteins that provide a tightly regulated link between the extra... more Integrins are essential membrane proteins that provide a tightly regulated link between the extracellular matrix and the intracellular cytoskeletal network. These cell surface proteins are composed of a non-covalently bound α chain and β chain. The leukocyte-specific complement receptor 3 (CR3, αMβ2, CD11b/CD18) and complement receptor 4 (CR4, αXβ2, CD11c/CD18) belong to the family of β2-integrins. These receptors bind multiple ligands like iC3b, ICAMs, fibrinogen or LPS, thus allowing them to partake in phagocytosis, cellular adhesion, extracellular matrix rearrangement and migration. CR3 and CR4 were generally expected to mediate identical functions due to their structural homology, overlapping ligand specificity and parallel expression on human phagocytes. Despite their similarities, the expression level and function of these receptors differ in a cell-type-specific manner, both under physiological and inflammatory conditions.We investigated comprehensively the individual role of...

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