Biomaterial Database

Adherence of peritonitis-causing staphylococci to human peritoneal mesothelial cell monolayers. 1990

I A Haagen, and H C Heezius, and R P Verkooyen, and J Verhoef, and H A Verbrugh

Laboratory of Microbiology, University of Utrecht Medical School, The Netherlands.

The adherence of staphylococci to monolayers of human mesothelial cells was studied. Adherence of Staphylococcus aureus to mesothelial cell monolayers was 3.4-fold better than to plastic (P less than .01) whereas that of Staphylococcus epidermidis was 3.0-fold less than to plastic (P less than .01). Neither serum albumin nor gelatin inhibited staphylococcal binding. S. aureus adherence correlated with the amount of cell wall protein A (r = .63, P less than .05) but not with fibronectin binding; it was significantly inhibited by the addition of purified cell wall lipoteichoic acid (55% +/- 2.7%), teichoic acid (34.5% +/- 3.4%), and protein A (25.6% +/- 2.9%) but not peptidoglycan. Protein A- and teichoic acid-deficient mutants adhered less well than their parent strains, and encapsulated S. epidermidis adhere well to human monothelial cells. Staphylococcal binding may involve cell wall lipoteichoic acid, teichoic acid, and protein A.

UI	MeSH Term	Description	Entries
D008070	Lipopolysaccharides	Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed)	Lipopolysaccharide,Lipoglycans
D010457	Peptidoglycan	A structural polymer of the bacterial cell envelope consisting of sugars and amino acids which is responsible for both shape determination and cellular integrity under osmotic stress in virtually all bacteria.	Murein,Pseudomurein
D010537	Peritoneum	A membrane of squamous EPITHELIAL CELLS, the mesothelial cells, covered by apical MICROVILLI that allow rapid absorption of fluid and particles in the PERITONEAL CAVITY. The peritoneum is divided into parietal and visceral components. The parietal peritoneum covers the inside of the ABDOMINAL WALL. The visceral peritoneum covers the intraperitoneal organs. The double-layered peritoneum forms the MESENTERY that suspends these organs from the abdominal wall.	Parietal Peritoneum,Peritoneum, Parietal,Peritoneum, Visceral,Visceral Peritoneum,Parametrium,Parametriums
D010538	Peritonitis	INFLAMMATION of the PERITONEUM lining the ABDOMINAL CAVITY as the result of infectious, autoimmune, or chemical processes. Primary peritonitis is due to infection of the PERITONEAL CAVITY via hematogenous or lymphatic spread and without intra-abdominal source. Secondary peritonitis arises from the ABDOMINAL CAVITY itself through RUPTURE or ABSCESS of intra-abdominal organs.	Primary Peritonitis,Secondary Peritonitis,Peritonitis, Primary,Peritonitis, Secondary
D001798	Blood Proteins	Proteins that are present in blood serum, including SERUM ALBUMIN; BLOOD COAGULATION FACTORS; and many other types of proteins.	Blood Protein,Plasma Protein,Plasma Proteins,Serum Protein,Serum Proteins,Protein, Blood,Protein, Plasma,Protein, Serum,Proteins, Blood,Proteins, Plasma,Proteins, Serum
D002473	Cell Wall	The outermost layer of a cell in most PLANTS; BACTERIA; FUNGI; and ALGAE. The cell wall is usually a rigid structure that lies external to the CELL MEMBRANE, and provides a protective barrier against physical or chemical agents.	Cell Walls,Wall, Cell,Walls, Cell
D002478	Cells, Cultured	Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others.	Cultured Cells,Cell, Cultured,Cultured Cell
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
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

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