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Smoke particulates stress lung cells

Smoke is a solid. Whether from cigarettes, cooking fires or other sources, it is comprised of tiny particles that injure the lung and can lead to lung cancer and chronic obstructive pulmonary disorder, characterized by laborious breathing. Steven D. Shapiro and his colleagues take a look at imaging data in people suggesting that these two conditions have more in common mechanistically than was previously thought. Both diseases seem to stem in part from the ability of inhaled particles to trigger inflammation, a process examined by Robert M. Senior and his colleagues.

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Figure 1: Pathways of particulate-induced lung inflammation.

Kim Caesar

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Adair-Kirk, T., Atkinson, J. & Senior, R. Smoke particulates stress lung cells. Nat Med 14, 1024–1025 (2008). https://doi.org/10.1038/nm1008-1024

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