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When cigarette smoke extracts (CSE) invade the airway combined with an antigen, TSLP located in epithelial cells can induce the expression of OX40 ligand (OX40L) on DCs, and then promote the differentiation of naive CD4+ T cells into Th2 cells, to drive the production of Th2 proinflammatory cytokines, promote airway inflammation through Th2 cell immune response after that

For years it was thought that nicotine being a vasoconstrictor was causing less blood flow to the gums, causing less infection-fighting white blood cells to reach the area

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Rogers, an appointee of Democrat Bill Clinton, didnt ask any questions of the Obama administration, but she grilled Noel J