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. 2015 Mar 14;16(1):37. doi: 10.1186/s12931-015-0201-y

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© Wang et al.; licensee BioMed Central. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Cigarette smoke (CS) induces inflammation but inhibits BAFF expression in the lung. Mice were exposed to room air (RA) or CS for 1 month, 3 months or 6 months. The relative mRNA levels of (A) BAFF and (C) keratinocyte-derived chemokine (KC) in the lung, (B) BAFF protein levels and (D) the total leukocyte counts in bronchoalveolar lavage (BAL) fluid are shown (n = 5–10 mice/group). *P < 0.05; **P < 0.01.