نتایج جستجو برای: biological response modifiers
تعداد نتایج: 1383692 فیلتر نتایج به سال:
Recent epidemiological and experimental data indicate that infection with helminths can protect humans from the development of allergic disorders by immunosuppressive mechanisms that involve the induction of IL-10 and/or regulatory T cells. Furthermore, helminth-derived immune modulators suppress allergic responses in mice. Trichuris suis therapy has been shown to be safe and efficacious in tre...
Water-insoluble glucan was isolated from the baker's yeast Saccharomyces cerevisiae. The yeast cells were treated with alkali and the residue then with acid. Chemical and NMR (1D and 2D) analyses showed that a linear (1→3)-β-glucan was purified that was not contaminated with other carbohydrates, proteins or phenolic compounds. The effects of the glucan on wound healing were assessed in human ve...
Sepsis is initiated by interactions between microbial products and host inflammatory cells. Toll-like receptors (TLRs) are central innate immune mediators of sepsis that recognize different components of microorganisms. Peptidoglycan-associated lipoprotein (PAL) is a ubiquitous gram-negative bacterial outer-membrane protein that is shed by bacteria into the circulation of septic animals. We exp...
By comparing smooth wild-type Brucella strains to their rough mutants, we show that the lipopolysaccharide (LPS) O side chain of pathogenic Brucella has a dramatic impact on macrophage activation. It favors the development of virulent Brucella by preventing the synthesis of immune mediators, important for host defense. We conclude that this O chain property is firmly linked to Brucella virulence.
Dear Readers, Microbial Biotechnology (MBT) is undergoing a number of interesting changes that we would like to report. The first is its transition to an author-pays open access model from 2013. We believe open access will offer the journal a number of advantages, including the flexibility to grow without the constraints of a page budget, and substantial increases in exposure, with all articles...
Mustard gas is known to have mutagenic and carcinogenic effects on animal and human cells. In this report, 1,632 male Japanese who worked in poison gas factories at some time between the years 1927 and 1945 were studied to determine comparative risk for development of cancer, the reference population being data on Japanese males overall. The standardized mortality ratio (SMR) for lung cancer in...
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