نتایج جستجو برای: alpha toxin gene csa
تعداد نتایج: 1342477 فیلتر نتایج به سال:
Alternaria brown spot disease is caused by the alternata tangerine pathotype, which relies on ACT-toxin for infection. At present, all identified biosynthesis-related genes are multi-copy genes. In this study, we summarized advances in important host-specific toxins (HSTs), and listed key required pathogenicity of A. pathotype. Toxin virulence test results revealed that different citrus species...
The etiology of coronary spastic angina (CSA) remains uncertain. Mice lacking the gene encoding the inwardly rectifying K(+) channel Kir6.1 were developed as an animal model of CSA. We investigated whether mutation in the coding region of the Kir6.1 gene is detected in Japanese patients with CSA. The study population included 19 Japanese patients with CSA (10 men and 9 women with a mean age of ...
Insecticidal crystal (Cry) proteins produced by the bacterium Bacillus thuringiensis (Bt) target cells in the midgut epithelium of susceptible larvae. While the mode of action of Cry toxins has been extensively investigated, the midgut response to Cry intoxication and its regulation are not well characterized. In this work, we describe the secreted proteome (secretome) of primary mature midgut ...
Hemolytic uremic syndrome (HUS) is associated with intestinal infection by enterohemorrhagic Escherichia coli strains that produce Shiga toxins. Globotriaosylceramide (Gb3) is the functional receptor for Shiga toxin, and tumor necrosis factor alpha (TNF-alpha) upregulates Gb3 in both human macrovascular umbilical vein endothelial cells and human microvascular brain endothelial cells. TNF-alpha ...
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The calcineurin inhibitor cyclosporine A (CsA) modulates leukocyte cytokine production but may also effect nonimmune cells, including microvascular endothelial cells, which regulate the inflammatory process through leukocyte recruitment. We hypothesized that CsA would promote a proinflammatory phenotype in human intestinal microvascular endothelial cells (HIMEC), by inhibiting inducible nitric-...
Chondroitin sulfate A (CSA) is an important receptor for the sequestration of Plasmodium falciparum in the placenta, but the parasite ligand involved in adhesion has not previously been identified. Here we report the identification of a var gene transcribed in association with binding to CSA and present evidence that the P. falciparum erythrocyte membrane protein 1 product of the gene is the pa...
PURPOSE To analyze age-related changes in susceptibility to experimental Staphylococcus aureus keratitis and purified alpha-toxin in rabbits. METHODS Intrastromal injection of S. aureus (100 colony-forming units [CFUs]) induced keratitis in young (6-8 weeks) and aged (approximately 30 months) New Zealand White rabbits. Bacteria and polymorphonuclear leukocytes (PMNs) per cornea were quantifie...
BACKGROUND AND OBJECTIVES Clostridium perfringens, a Gram-positive obligate anaerobic bacterium, is able to form resistant spores which are widely distributed in the environment. C. perfringens is subdivided into five types A to E based on its four major alpha, beta, epsilon and iota toxins. The aim of the present study was cloning and expression of C. perfringens type D vaccine strain epsilon ...
The prostaglandin synthase cyclooxygenase-2 (COX-2) is produced by an immediate early response gene induced in most cells by a variety of stimuli. Several studies have shown that the immunosuppressant cyclosporin (CsA) interferes with prostanoid metabolism, but the mechanisms are unclear. Here we examine the effect of CsA on COX-2 mRNA induction in cultured rat vascular smooth muscle cells (VSM...
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