نتایج جستجو برای: esat 6
تعداد نتایج: 956439 فیلتر نتایج به سال:
We have previously shown that young adults living in a rural area of northern Malawi showed greater gamma interferon (IFN-gamma) responses to purified protein derivatives (PPD) prepared from environmental mycobacteria than to PPD from Mycobacterium tuberculosis. In order to define the mycobacterial species to which individuals living in a rural African population have been exposed and sensitize...
BACKGROUND Classical screening methods are incapable to properly detect LTBI (Latent TB Infection) and HCWs (Healthcare Workers) are at the high risk of exposure. Only few reports estimated the prevalence of LTBI among Iranian HCWs and they mostly used the TST (Tuberculin Skin Test), rather than assessing the response against TB-specific antigens. OBJECTIVES The current study aimed to determi...
زمینه و هدف: بیماری سل، نوعی عفونت مشترک بین انسان و دام است که توسط باسیلی به نام مایکوباکتریوم توبرکلوزیس ایجاد می شود. به دلیل وجود آنتی ژن های مشترک با انواع غیر بیماری زای این باکتری، تشخیص دقیق و سریع این بیماری دارای پیچیدگی است؛ لذا یافتن روش تشخیصی سریع با حساسیت و ویژگی بالا در این بیماری حائز اهمیت ویژه است. هدف از این مطالعه ارزیابی عیار سرمی آنتی بادی علیه آنتی ژن نوترکیب esat-6، ...
Several ESAT-6-based vaccines have been widely studied in different animal models, presenting potent ability to induce both cellular and humoral responses. As ESAT-6 is a well-characterized mycobacterial antigen, its capacity to induce immune responses in a nonhuman primate model has been evaluated. The immunization of recombinant ESAT-6 (rESAT-6) in Aotus nancymaae monkeys has elicited a stron...
The use of recombinant attenuated Salmonella vaccine (RASV) strains is a promising strategy for presenting heterologous antigens to the mammalian immune system to induce both cellular and humoral immune responses. However, studies on RASV development differ on where heterologous antigens are expressed and localized within the bacterium, and it is unclear how antigen localization modulates the i...
Cell-mediated immune responses are critical for protective immunity to mycobacterial infections. Recent progress in defining mycobacterial antigens has determined that region of difference 1 (RD1) gene products induce strong T-cell responses, particularly the early secretory antigenic target 6-kDa (ESAT-6) protein and culture filtrate protein 10 (CFP10). However, comprehensive analysis of the i...
Background: Mycobacterium (M.) bovis is the agent of bovine tuberculosis (TB) in a range of animal species, including humans. Recent advances in immunology and the molecular biology of Mycobacterium have allowed identification of a large number of antigens with the potential for the development of a new TB vaccine. The ESAT-6 and CFP-10 proteins of M. bovis are important structural and function...
objective(s): an efficient vaccine against tb is an urgent need. tb peptides are safe candidate but they are weak immunogens and needs to be potentiated by adjuvant/delivery systems. the main purpose of the present study was to determine the potential of cht based nps containing esat-6 antigen of m. tuberculosis for inducing mucosal and systemic immune responses after intranasal and subcutaneou...
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