Retraction

Thomas AC, Kaushik SS, Nouls J, Potts EN, Slipetz DM, Foster WM, Driehuys B. Effects of corticosteroid treatment on airway inflammation, mechanics, and hyperpolarized ³He magnetic resonance imaging in an allergic mouse model. J Appl Physiol 112: 1437–1444, 2012. First published January 12, 2012; doi:10.1152/japplphysiol.01293.2011.—After publication of the above article, the authors became aware that the data used to calculate the in vivo pulmonary mechanics and bronchoalveolar lavage were inconsistent and could not be traced back to their source. Uncertainty regarding the veracity of this data made Figs. 7 and 8 of our publication unreliable. Although the primary MRI study reported was conducted appropriately, certain conclusions regarding imaging findings were derived with guidance from possibly incorrect respiratory mechanics studies. The paper is therefore being retracted by the American Physiological Society at the request of Dr. Driehuys and with the approval of the coauthors. We offer our formal apologies for this error and for any inconvenience associated with the publication of the article.