نتایج جستجو برای: tuberculosis vaccine
تعداد نتایج: 204686 فیلتر نتایج به سال:
One reason proposed for the failure of Mycobacterium bovis bacille Calmette Guérin (BCG) vaccination to adequately control the spread of tuberculosis is a limited ability of the vaccine to induce effective CD8 T cell responses. However, the relative capacity of the BCG vaccine and virulent Mycobacterium tuberculosis to induce activation of CD8 T cells, and the factors that govern the initial pr...
Policies regarding the use of the Bacille Calmette-Guérin (BCG) vaccine for tuberculosis vary greatly throughout the international community. In several countries, consideration of discontinuing universal vaccination programs is currently under way. The arguments against mass vaccination are that the effectiveness of BCG in preventing tuberculosis is uncertain and that BCG vaccination can inter...
UNLABELLED The current tuberculosis (TB) vaccine, Mycobacterium bovis Bacillus Calmette-Guérin (BCG), provides insufficient protection against pulmonary TB. Previously, we generated a listeriolysin-expressing recombinant BCG strain, which to date has successfully completed phase I and phase IIa clinical trials. In an attempt to further improve efficacy, we deleted the antiapoptotic virulence ge...
Key Ags of Mycobacterium tuberculosis initially identified in the context of host responses in healthy purified protein derivative-positive donors and infected C57BL/6 mice were prioritized for the development of a subunit vaccine against tuberculosis. Our lead construct, Mtb72F, codes for a 72-kDa polyprotein genetically linked in tandem in the linear order Mtb32(C)-Mtb39-Mtb32(N). Immunizatio...
BACKGROUND The variable efficacy (0-80%) of Mycobacterium bovis Bacille Calmette Guréin (BCG) vaccine against adult tuberculosis (TB) necessitates development of alternative vaccine candidates. Development of recombinant BCG (rBCG) over-expressing promising immunodominant antigens of M. tuberculosis represents one of the potential approaches for the development of vaccines against TB. METHODS...
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