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Globally only 5-10% of people encountering Mycobacterium tuberculosis have a lifetime risk of active disease indicating a strong host genetic bias towards development of tuberculosis. In the current study we investigated genotype variants pertaining to five cytokine genes namely IFNG, TNFA, IL4, IL10 and IL12 in the north Indian population with active(More)
Ethnic specificity is a key determinant in understanding the association of genetic variants with outcome of disease susceptibility. SP110, a component of the nuclear body, has been subjected to association studies with conflicting results. In this study we probed SP110 variants in pulmonary (PTB) and lymph node tuberculosis (LNTB) cases to explore their(More)
BACKGROUND & OBJECTIVES Tuberculosis is (TB) responsible for high morbidity and mortality worldwide. Cytokines play a major role in defense against Mycobacterium tuberculosis infection. Polymorphisms in the genes encoding the various pro- and anti-inflammatory cytokines have been associated with tuberculosis susceptibility. In this study we examined(More)
AIM We examined whether HLA-DRB1*1501 and four VDR SNPs influence the macrophage response to infection with Mycobacterium tuberculosis (Mtb) via innate immune versus drug treatment or drug delivery mechanisms. MATERIALS & METHODS Monocyte-derived macrophages from 24 healthy donors were infected with Mtb in vitro. Survival of intracellular bacilli and(More)
Emerging evidence indicates that the causative agent of tuberculosis is more genetically and functionally diverse than appreciated previously. The impact of this variation on the clinical manifestation of the disease remains largely unknown. In addition, there exists significant variability in the immune status of the host governing susceptibility to(More)
BACKGROUND Tubercular lymphadenitis (TL) is the most common form of extra-pulmonary tuberculosis (TB) consisting about 15-20% of all TB cases. The currently available diagnostic modalities for (TL), are invasive and involve a high index of suspicion, having limited accuracy. We hypothesized that TL would have a distinct cytokine signature that would(More)
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