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There is growing evidence that strains of Mycobacterium tuberculosis differ in pathogenicity and transmissibility, but little is understood about the contributory factors. We have previously shown that increased expression of the principal sigma factor, SigA, mediates the capacity of M. tuberculosis strain 210 to grow more rapidly in human monocytes,(More)
BACKGROUND Persistant inflammatory responses to infectious agents and other components in organic dust underlie lung injury and development of respiratory diseases. Organic dust components responsible for eliciting inflammation and the mechanisms by which they cause lung inflammation are not fully understood. We studied the mechanisms by which protease(More)
BACKGROUND In our study, we investigated whether circulating T follicular helper (Tfh) and the related cytokines are involved in human cystic echinococcosis (CE). METHODS A total of 64 patients with CE and 30 healthy controls were enrolled in this study. Percentages of CCR7(lo)PD-1(hi) cells within CXCR5(+) CD4(+) T cells (circulating Tfh cells) were(More)
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