نتایج جستجو برای: cross protection
تعداد نتایج: 662621 فیلتر نتایج به سال:
Cross-protection of acid-adapted Escherichia coli O157:H7 against inimical stresses is mediated by the glucose-repressed sigma factor RpoS. However, many food systems in which E. coli O157:H7 occurs are complex and contain glucose. This study was aimed at investigating the contribution of acid and lactoperoxidase (LP)-inducible genes to cross-protection of E. coli O157:H7 against LP system and ...
BACKGROUND Leptospira species cause leptospirosis, a zoonotic disease found worldwide. Current vaccines against leptospirosis provide protection only against closely related serovars. METHODS We evaluated an attenuated transposon mutant of Leptospira interrogans serovar Manilae (M1352, defective in lipopolysaccharide biosynthesis) as a live vaccine against leptospirosis. Hamsters received a s...
UNLABELLED Influenza vaccines aimed at inducing antibody (Ab) responses against viral surface hemagglutinin (HA) and neuraminidase (NA) provide sterile immunity to infection with the same subtypes. Vaccines targeting viral conserved determinants shared by the influenza A viruses (IAV) offer heterosubtypic immunity (HSI), a broad protection against different subtypes. We proposed that vaccines t...
This paper describes a mechanism for protecting against malicious mobile code. As mobile code is linked with a hosting application and executed in the same process, a fine-grained protection domain providing an intra-process protection is required to prevent a malicious mobile code from unauthorized access. This paper introduces a multi-protection page table: a mechanism of virtual memory that ...
Background and Aim: More than 80% of patients need to take x-rays during their diagnosis and treatment stages. Due to the biological effects of ionizing radiation, observance of radiation protection principles are necessary. The observance of radiation protection principles in intensive care units at Imam Reza hospital of Kermanshah in 2014 was evaluated in this study. Materials and Methods: I...
OBJECTIVE To investigate the incremental cost effectiveness of two dose human papillomavirus vaccination and of additionally giving a third dose. DESIGN Cost effectiveness study based on a transmission dynamic model of human papillomavirus vaccination. Two dose schedules for bivalent or quadrivalent human papillomavirus vaccines were assumed to provide 10, 20, or 30 years' vaccine type protec...
Antigen specificity of adaptive immune responses is often in the host's best interests, but with important and as yet unpredictable exceptions. For example, antibodies that bind to multiple flaviviral or malarial species can provide hosts with simultaneous protection against many parasite genotypes. Vaccinology often aims to harness such imprecision, because cross-reactive antibodies might prov...
Previous efforts to identify cross-neutralizing antibodies to the receptor-binding site (RBS) of ebolavirus glycoproteins have been unsuccessful, largely because the RBS is occluded on the viral surface. We report a monoclonal antibody (FVM04) that targets a uniquely exposed epitope within the RBS; cross-neutralizes Ebola (EBOV), Sudan (SUDV), and, to a lesser extent, Bundibugyo viruses; and sh...
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