Staphylococcus aureus proteins that bind to human endothelial cells. 1992

D C Tompkins, and L J Blackwell, and V B Hatcher, and D A Elliott, and C O'Hagan-Sotsky, and F D Lowy
Department of Medicine, State University of New York, Stony Brook 11794.

The adherence of Staphylococcus aureus to human endothelial cells is saturable in both dose- and time-dependent assays. Staphylococcal surface components which bound to endothelial cells in vitro were identified by using biotin-labeled, solubilized staphylococcal proteins. Four trypsin-sensitive components with molecular sizes of 30, 55 to 57, 70, and 85 kDa were recognized. These proteins did not label with the glycan detection system. When staphylococci were harvested during the exponential phase of growth, staphylococcal adherence to endothelial cells was significantly increased and increased expression of the S. aureus binding proteins was observed. Preincubation of endothelial cells with protein A did not reduce S. aureus adherence in an in vitro infection assay. Four S. aureus surface components whose expression is growth phase dependent adhere to human endothelial cells in vitro.

UI MeSH Term Description Entries
D004730 Endothelium, Vascular Single pavement layer of cells which line the luminal surface of the entire vascular system and regulate the transport of macromolecules and blood components. Capillary Endothelium,Vascular Endothelium,Capillary Endotheliums,Endothelium, Capillary,Endotheliums, Capillary,Endotheliums, Vascular,Vascular Endotheliums
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001422 Bacterial Adhesion Physicochemical property of fimbriated (FIMBRIAE, BACTERIAL) and non-fimbriated bacteria of attaching to cells, tissue, and nonbiological surfaces. It is a factor in bacterial colonization and pathogenicity. Adhesion, Bacterial,Adhesions, Bacterial,Bacterial Adhesions
D001426 Bacterial Proteins Proteins found in any species of bacterium. Bacterial Gene Products,Bacterial Gene Proteins,Gene Products, Bacterial,Bacterial Gene Product,Bacterial Gene Protein,Bacterial Protein,Gene Product, Bacterial,Gene Protein, Bacterial,Gene Proteins, Bacterial,Protein, Bacterial,Proteins, Bacterial
D013205 Staphylococcal Protein A A protein present in the cell wall of most Staphylococcus aureus strains. The protein selectively binds to the Fc region of human normal and myeloma-derived IMMUNOGLOBULIN G. It elicits antibody activity and may cause hypersensitivity reactions due to histamine release; has also been used as cell surface antigen marker and in the clinical assessment of B lymphocyte function. Protein A,Protein A, Staphylococcal
D013211 Staphylococcus aureus Potentially pathogenic bacteria found in nasal membranes, skin, hair follicles, and perineum of warm-blooded animals. They may cause a wide range of infections and intoxications.
D066298 In Vitro Techniques Methods to study reactions or processes taking place in an artificial environment outside the living organism. In Vitro Test,In Vitro Testing,In Vitro Tests,In Vitro as Topic,In Vitro,In Vitro Technique,In Vitro Testings,Technique, In Vitro,Techniques, In Vitro,Test, In Vitro,Testing, In Vitro,Testings, In Vitro,Tests, In Vitro,Vitro Testing, In

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