نتایج جستجو برای: esat6
تعداد نتایج: 122 فیلتر نتایج به سال:
OBJECTIVE Detailed studies of correlation between HIV-M.tb co-infection and hierarchy declines of CD8+/CD4+ T-cell counts and IFN-γ responses have not been done. We conducted case-control studies to address this issue. METHODS 164 HIV-1-infected individuals comprised of HIV-1+ATB, HIV-1+LTB and HIV-1+TB- groups were evaluated. Immune phenotyping and complete blood count (CBC) were employed to...
The Bovigam(®) gamma interferon (IFNγ) assay was used to complement official skin-test screening in a low bovine tuberculosis (bTB) prevalence region in France. The aim of our work was to determine decisional cut-off values for protein purified derivatives (PPD) and ESAT6-CFP10 antigens (R) in order to optimize the efficacy of the modified Bovigam(®) test, in this low-prevalence area, for optim...
Tuberculosis (TB) and leprosy still represent significant public health challenges, especially in low- and lower middle-income countries. Both poverty-related mycobacterial diseases require better tools to improve disease control. For leprosy, there has been an increased emphasis on developing tools for improved detection of infection and early diagnosis of disease. For TB, there has been a sim...
با توجه به اینکه بیماری سل نوعی عفونت حاد یا مزمن دستگاه تنفسی می باشد لذا به نظر می رسد که واکسیناسیون از طریق بینی (intranasal)می تواند راهکار مفیدی در ایمن سازی و واکسیناسیون بر علیه این بیماری محسوب شود. در این مطالعه با انتخاب 2 آنتی ژن ایمنی زای مایکوباکتریوم توبرکلوزیس (esat-6 وhsp70) ، یک پروتئین ترکیبی جدید (e6h70) برای اولین بار در سیستم پروکاریوتی با موفقیت بیان گردید. سپس پروتئین فو...
BACKGROUND Chemoprophylaxis of contacts of infectious tuberculosis (TB) cases is recommended for TB control, particularly in endemic countries, but is hampered by the difficulty to diagnose latent TB infection (LTBI), classically assessed through response to the Tuberculin Skin Test (TST). Interferon-gamma release assays (IGRA) are proposed new tools to diagnose LTBI, but there are limited data...
Mycobacterium tuberculosis (M. tb) has been shown to be the main causative agent of tuberculosis in elephants worldwide. M. tb may be transmitted from infected humans to other species including elephants and vice versa, in case of prolonged intensive contact. An accurate diagnostic approach covering all phases of the infection in elephants is required. As M. tb is an intracellular pathogen and ...
The Enzyme Linked ImmunoSpot (ELISPOT) is a new rapid T cell based blood test (otherwise known as an interferon-c assay) for the diagnosis of latent tuberculosis infection. The commercially available form of the assay, T-SPOTH TB (Oxford Immunotec, Abingdon, UK) has European regulatory approval as an in vitro diagnostic test and is increasingly being used in clinical practice. The test is based...
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