نتایج جستجو برای: guérin bcg
تعداد نتایج: 9027 فیلتر نتایج به سال:
Tuberculosis (TB) continues to ravage humanity, causing 2 million deaths per year. A vaccine against TB more potent than the current live vaccine, bacillus Calmette-Guérin (BCG), is desperately needed. Using two commercially available strains of BCG as host strains, BCG Connaught and Tice, we have constructed two recombinant BCG vaccines stably expressing and secreting the 30-kDa major secretor...
We investigated the ability of human antibodies induced by Mycobacterium bovis bacillus Calmette-Guérin (BCG) vaccination to protect against mycobacterial infections. Serum samples containing mycobacterium-specific antibodies were obtained from volunteers who had received two intradermal BCG vaccinations 6 months apart. Significant increases in lipoarabinomannan (LAM)-specific immunoglobulin G ...
To understand the evolution, attenuation, and variable protective efficacy of bacillus Calmette-Guérin (BCG) vaccines, Mycobacterium bovis BCG Pasteur 1173P2 has been subjected to comparative genome and transcriptome analysis. The 4,374,522-bp genome contains 3,954 protein-coding genes, 58 of which are present in two copies as a result of two independent tandem duplications, DU1 and DU2. DU1 is...
BACKGROUND Worldwide, most infants born to mothers infected with human immunodeficiency virus (HIV) receive bacille Calmette-Guérin (BCG) vaccine. Tuberculosis is a major cause of death among infants infected with HIV in sub-Saharan Africa, and it should be prevented. However, BCG may itself cause disease (known as "BCGosis") in these infants. Information regarding the immunogenicity of BCG is ...
The only tuberculosis vaccine currently available, bacille Calmette-Guérin (BCG) is a poor inducer of CD8(+) T cells, which are particularly important for the control of latent tuberculosis and protection against reactivation. As the induction of strong CD8(+) T cell responses is a hallmark of DNA vaccines, a combination of BCG with plasmid DNA encoding a prototype TB antigen (Ag85A) was tested...
This paper provides recommendations on the management of complications arising from intravesical treatment with bacillus Calmette-Guérin (BCG) for nonmuscle-invasive bladder tumors. There is minimal recommendations currently available as randomized trials on the side effects of intravesical BCG are lacking and severe complications are usually described in case reports only. All physicians givin...
Mycobacterium bovis bacille Calmette-Guérin (BCG) is listed as an intralesional (IL) therapeutic option for inoperable stage III in-transit melanoma in the National Comprehensive Cancer Network Guidelines. Although the mechanism is unknown, others have reported up to 50% regression of injected lesions, and 17% regression of uninjected lesions in immunocompetent patients after direct injection o...
background: cytokines and specially interferon-gamma (ifn-g) are largely responsible for the regulation of the protective immune response against mycobacterial infections. several studies have clarified the importance of common variants of ifn- g gene regarding the susceptibility to tuberculosis. bacille calmette-guérin (bcg) vaccine that is used to prevent severe forms of tuberculosis could ...
Background Three randomized trials (RCTs) in low-weight (<2.5 kg) infants have shown that Bacille Calmette-Guérin (BCG) vaccine nonspecifically reduces all-cause mortality in the neonatal period. Methods Using data from 3 RCTs of early BCG (n = 6583) we examined potential sex differences in the timing of the mortality reduction in the neonatal period, presenting metaestimates of the main outc...
Mutations that arose in bacille Calmette-Guérin (BCG) daughter strains during decades of in vitro cultivation have long been suspected of reducing the efficacy of the BCG vaccine against pulmonary tuberculosis. Although concern was raised 6 decades ago that BCG had become overattenuated, preferential use of relatively virulent BCG vaccines has not restored efficacy. The recent discovery that as...
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