نتایج جستجو برای: enterotoxin d
تعداد نتایج: 583093 فیلتر نتایج به سال:
background rheumatoid arthritis (ra) is the most common chronic inflammatory disease. the staphylococcal superantigens are considered as the causative agent of ra disease. objectives this study aimed to assess the presence of staphylococcal enterotoxin d in synovial fluid and blood of patients with ra. patients and methods a total of 120 blood and sf samples of patients with ra were studied. ba...
Background and Objectives: Staphylococcal enterotoxin D as a supper antigen is produced by infected samples of human and animal sources. The aim of this study was to standardize the detection methods for the Staphylococcus strain producing enterotoxin D. Materials and Methods: A PCR method was set up for detection of enterotoxin D gene (ent D) in Staphylococcus aureus samplesisolated from the h...
background: staphylococcus aureus, the major virulence factor of hospital and community acquired infections, secretes numerous exotoxins (super antigens), which may affect immunological and inflammatory status in psoriatic skin lesion. objectives: this study is designed to compare the s. aureus super antigens level in sera of psoriatic patients with normal cases (nevus). patients and methods: a...
Background: Staphylococcal superantigens (SAg;aposs) may have some role in otitis media with effusion (OME). The aim of this study was the search of staphylococcal SAg;aposs in middle ear effusion of children with OME. Methods: This cross sectional-analytic study was done in ENT & pediatric wards upon 64 children with otitis media with effusion (OME) between 1-15 years, (mean age=7.42+4 years)...
BACKGROUND Rheumatoid arthritis (RA) is the most common chronic inflammatory disease. The staphylococcal superantigens are considered as the causative agent of RA disease. OBJECTIVES This study aimed to assess the presence of staphylococcal enterotoxin D in synovial fluid and blood of patients with RA. PATIENTS AND METHODS A total of 120 blood and SF samples of patients with RA were studied...
Staphylococcus aureus enterotoxin D is one of the serotypes most commonly associated with food poisoning. Further characterization of the enterotoxin D-encoding plasmid revealed the presence of an open reading frame which encodes a previously unidentified enterotoxin, designated staphylococcal enterotoxin J (SEJ). SEJ is a protein of 269 amino acid residues which has substantial sequence simila...
The cross-reactivity of monoclonal antibodies produced against staphylococcal enterotoxin A with purified and crude enterotoxins B, C1, D, and E and the specificity of such reactions were evaluated by the indirect enzyme-linked immunosorbent assay and immunoblotting of Western blots (from sodium dodecyl sulfate-polyacrylamide gel electrophoresis) followed by autoradiography. Purified and crude ...
Of 124 staphylococcal strains isolated from sheep milk, 78 produced enterotoxin A, B, C, or D when evaluated by an enzyme-linked immunosorbent assay. Enterotoxins A and D, elaborated by 44 and 43 strains, respectively, showed the highest incidence. Enterotoxin production by coagulase-negative strains (one Staphylococcus cohnii, three S. epidermidis, five S. haemolyticus, and four S. xylosus) wa...
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