نتایج جستجو برای: gene tb
تعداد نتایج: 1164898 فیلتر نتایج به سال:
The objective: to study the genetic determinants of rifampicin resistance Mycobacterium tuberculosis by sequencing RRDR rpoB gene. Subjects and Methods. included 651 M. isolates that were tested for drug suceptibility (DST) genotypic methods (gDST) TB-TEST (BIOCHIP-IMB, Russia), Amplitube-MDR-RV (NPK Sintol, Russia) phenotypic (phDST): absolute concentration method, BACTEC MGIT 960 system, Sens...
The human immunodeficiency virus (HIV) pandemic has caused a resurgence of tuberculosis (TB), thus increasing morbidity and mortality. Moreover, HIV-TB coinfection leads to difficulties in diagnosis. Sputum smear microscopy, mycobacterial culture GeneXpert MTB/RIF assays are generally endorsed detect Mycobacterium ( M. ) coinfection. However, these methods cannot diagnose TB an accurate timely ...
Background & objective: Tuberculosis (TB) remains a major cause of death around the world. Bacillus Calmette Guérin (BCG) is the only vaccine used in TB prevention that has a protective effect in children, but its effectiveness declines in adults. Design and development of new vaccines is the most effective way against TB. The aim of this study was to design and construc...
BACKGROUND To explore the potential role of natural-resistance-associated macrophage protein 1 (NRAMP1) gene, vitamin D receptor (VDR) gene, (human leukocyte antigen, (HLA-DRB1) HLA)-DRB1 gene, and HLA-DQB1 gene polymorphisms in susceptibility to tuberculosis (TB) in the Chinese Kazakh population. METHODS A case-control study was performed on the Chinese Kazak population. Genetic polymorphism...
There is an urgent need for new tools to combat the ongoing tuberculosis (TB) pandemic. Gene expression profiles based on blood signatures have proved useful in identifying genes that enable classification of TB patients, but have thus far been complex. Using real-time PCR analysis, we evaluated the expression profiles from a large panel of genes in TB patients and healthy individuals in an Ind...
BACKGROUND The rapid identification of acid-fast bacilli recovered from patient specimens as Mycobacterium tuberculosis complex (MTC) is critically important for accurate diagnosis and treatment. A thin-layer immunochromatographic (TLC) assay using anti-MPB64 or anti-MPT64 monoclonal antibodies was developed to discriminate between MTC and non-tuberculosis mycobacteria (NTM). Capilia TB-Neo, wh...
The emergence of pre-extensively drug-resistant tuberculosis (pre-XDR-TB) is a threat to TB control programs in developing countries such as Zambia. Studies Zambia have applied molecular techniques understand drug-resistance-associated mutations, circulating lineages and transmission patterns multi-drug-resistant (MDR) Mycobacterium tuberculosis. However, none has reported genotypes mutations a...
BACKGROUND Genetic factors are involved in susceptibility or protection to tuberculosis (TB). Apart from gene polymorphisms and mutations, changes in levels of gene expression, induced by non-genetic factors, may also determine whether individuals progress to active TB. METHODS We analysed the expression level of 45 genes in a total of 47 individuals (23 healthy household contacts and 24 new ...
Biomarkers for tuberculosis treatment outcome will assist in guiding individualized treatment and evaluation of new therapies. To identify candidate biomarkers, RNA sequencing of whole blood from a well-characterized TB treatment cohort was performed. Application of a validated transcriptional correlate of risk for TB revealed symmetry in host gene expression during progression from latent TB i...
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