نتایج جستجو برای: fibronectin binding proteins
تعداد نتایج: 860973 فیلتر نتایج به سال:
The 67-kD elastin-laminin receptor (ELR) subunit which carries the recognition site for elastin peptides (EP) is a lectin. Its binding with galactosides can modulate the kinetics of its interaction with its ligand, EP. In this study the biosynthesis of proteins, collagen and fibronectin were evaluated in the presence of agonists and antagonists of the receptor on human skin fibroblasts. The bio...
The serum opacity factor (SOF) of Streptococcus pyogenes is a serotyping tool and pathogenesis factor. Using SOF-coated latex beads in cell adherence assays and antiserum directed against SOF in S. pyogenes-HEp-2 cell adherence inhibition experiments, we demonstrate SOF involvement in the fibronectin-mediated adherence of S. pyogenes to epithelial cells. SOF exclusively targets the 30-kDa N-ter...
The ability of Staphylococcus aureus to adhere to components of the extracellular matrix is an important mechanism for colonization of host tissues during infection. We have previously shown that S. aureus binds elastin, a major component of the extracellular matrix. The integral membrane protein, elastin-binding protein (EbpS), binds soluble elastin peptides and tropoelastin via its surface-ex...
A 130-residue fragment of the Staphylococcus aureus fibronectin-binding protein has been found to exist in a highly unfolded conformation at neutral pH. Measurement of experimental NMR 3JHNalpha coupling constants provides evidence for individual residues having distinct main-chain conformational preferences that are dependent both on the amino acid concerned and on neighbouring residues in the...
Plasma fibronectin has been shown to increase the binding of fibrin monomer to macrophages in vitro. In the present study we began characterization of the mechanism underlying this fibronectin activity. Fragments of fibronectin containing the amino terminus enhanced macrophage fibrin binding to the same extent as intact fibronectin on an equimolar basis. However, fibronectin fragments containin...
Leptospirosis is a zoonosis with worldwide distribution caused by pathogenic spirochetes belonging to the genus Leptospira. The leptospiral life cycle involves transmission via freshwater and colonization of the renal tubules of their reservoir hosts. Infection requires adherence to cell surfaces and extracellular matrix components of host tissues. These host-pathogen interactions involve outer...
Following tissue injury, the concentration of C-reactive protein (CRP) is known to increase in plasma rapidly, while that of fibronectin often decreases. We now report that CRP immobilized onto polystyrene surfaces binds soluble plasma fibronectin (Kd = 1.5 X 10(-8) M). The binding of fibronectin by CRP was relatively sensitive to ionic conditions, being maximal at physiological NaCl concentrat...
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