نتایج جستجو برای: ژن tst
تعداد نتایج: 17975 فیلتر نتایج به سال:
This study accesses the development of Taedok Science Town(TST) with regards to its potential for regional development. After reviewing the potential of TST as engines of regional innovation, it analyzes the growth of R&D activities and spin-off’s from the field of high-tech venture business. The innovative activities of universities in TST are examined in detail and evaluated in relation to se...
BACKGROUND Reexamining the prevalence of persons infected with tuberculosis (TB) is important to determine trends over time. In 2011-2012 a TB component was included in the National Health and Nutrition Examination Survey (NHANES) to estimate the reservoir of persons infected with TB. METHODS Civilian, noninstitutionalized U.S. population survey participants aged 6 years and older were interv...
BACKGROUND BCG-vaccination can confound tuberculin skin test (TST) reactions in the diagnosis of latent tuberculosis infection. METHODS We compared the TST with a Mycobacterium tuberculosis specific whole blood interferon-gamma assay (QuantiFERON-TB-Gold In Tube; QFT-G) during ongoing investigations among close contacts of sputum smear positive source cases in Hamburg, Germany. RESULTS Duri...
BACKGROUND There are limited data comparing the performance of the two commercially available interferon gamma (IFN-gamma) release assays (IGRAs) for the diagnosis of tuberculosis (TB) in children. We compared QuantiFERON-TB gold In Tube (QFT-IT), T-SPOT.TB and the tuberculin skin test (TST) in children at risk for latent TB infection or TB disease. METHODS AND FINDINGS The results of both IG...
OBJECTIVE Although the Bacillus Calmette-Guérin vaccine (BCG) protects young children against serious forms of TB, protection against pulmonary TB is variable. We assessed BCG vaccine-induced cellular immune responses and determined for how long they could be detected during childhood in Antananarivo, Madagascar. METHODS We assessed BCG vaccine-induced cellular immune responses by TST and IGR...
Cytochrome P450 (P450) enzymes are major catalysts involved in the metabolism of xenobiotics and endogenous substrates such as testosterone (TST). Major TST metabolites formed by human liver microsomes include 6beta-hydroxytestosterone (6beta-OHTST), 2beta-hydroxytestosterone (2beta-OHTST), and 15beta-hydroxytestosterone (15beta-OHTST). A screen of 16 cDNA-expressed human P450 isoforms demonstr...
background: the risk of developing tuberculosis is high among chronic hemodialysis patients. the tuberculin skin test (tst) has been in use for diagnosing latent tb, but few data are available on tst in hemodialysis patients. objective: this study was done to identify the tst reactivity and frequency of booster effect in serial tst among hemodialysis patients. methods: a total of 100 patients i...
Tuberculin skin test (TST) interpretation can be confounded by Bacillus Calmette-Guerin (BCG) vaccination and infection with nontuberculosis mycobacteria (NTM). However, a wealth of epidemiologic information has allowed the formulation of recommendations for reasonably informed interpretation of the TST in most clinical situations. In the Middle East, the TST remains a useful test. BCG vaccinat...
Screening for active tuberculosis (TB) and latent TB infection (LTBI) is mandatory prior to the initiation of tumour necrosis factor-alpha inhibitor therapy. However, no agreement exists on the best strategy for detecting LTBI in this population. The aim of the present study was to analyse the performance of the tuberculin skin test (TST) and QuantiFERON-TB Gold in-tube (QFT-GIT) on LTBI detect...
BACKGROUND The tuberculin skin test (TST) is used to test for latent tuberculosis (TB) infection and support the diagnosis of active TB. However, little is known about the relationship between the TST result and the clinical presentation of TB disease. METHODS We analyzed US TB surveillance data, 1993-2010, and used multinomial logistic regression to calculate the association between TST resu...
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