2009
DOI: 10.1038/nri2530
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How cigarette smoke skews immune responses to promote infection, lung disease and cancer

Abstract: A complex and multilayered immune defence system protects the host against harmful agents and maintains tissue homeostasis. Cigarette smoke exposure markedly impacts the immune system, compromising the host's ability to mount appropriate immune and inflammatory responses and contributing to smoking-related pathologies. These adverse effects on the immune system not only occur in active smokers, but also in those exposed to smoke passively in contaminated environments, and may persist for decades after exposure… Show more

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Cited by 580 publications
(533 citation statements)
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“…We found that exomes marked by high levels of transversions had significantly lower levels of T cell infiltrate (P = 0.001), immune cell infiltrate (P = 0.001), and IFN-γ signaling (P = 4 × 10 -7 ) (Supplemental Figure 2). These data are consistent with prior evidence that tobacco smoking is associated with local immunosuppression and lower levels of cytotoxicity within the immune microenvironment (24). The exact mechanisms of smokingrelated immunosuppression are not well defined, but likely involve suppressive effects on NK cells, CD8 + T cells, and DCs (24).…”
Section: Resultssupporting
confidence: 80%
“…We found that exomes marked by high levels of transversions had significantly lower levels of T cell infiltrate (P = 0.001), immune cell infiltrate (P = 0.001), and IFN-γ signaling (P = 4 × 10 -7 ) (Supplemental Figure 2). These data are consistent with prior evidence that tobacco smoking is associated with local immunosuppression and lower levels of cytotoxicity within the immune microenvironment (24). The exact mechanisms of smokingrelated immunosuppression are not well defined, but likely involve suppressive effects on NK cells, CD8 + T cells, and DCs (24).…”
Section: Resultssupporting
confidence: 80%
“…To overcome some of these limitations, and to reduce possible data dispersion due to differences in genetic background and lifestyle, we investigated the effects of cigarette smoking on several immune parameters in healthy smoking-discordant twins: one a smoker and the other a non-smoker. The influence of smoke on leukocyte cell numbers and cell function has been demonstrated in several previous studies and our results are consistent with these findings [9,[32][33][34][35]. On the contrary, data concerning the influence of smoking on lymphocyte subpopulations are conflicting [35][36][37][38].…”
Section: Variablessupporting
confidence: 82%
“…These factors are not sufficient, however, to explain the increased risk for invasive disease. Accordingly, it has been suggested that other mechanisms likely play a significant role in increasing the risk of IPD in smokers (17,20).…”
Section: Introductionmentioning
confidence: 99%