This article (1) has been retracted at the request of the editors. Following a joint institutional investigation by the Birmingham VA Medical Center and the University of Alabama at Birmingham, the primary affiliations for several of the authors, it was determined that the images for both the wild-type and IL-12 knockout controls originated from the same source and are not from mice with different genotypes in Fig. 4. In addition, the same b-actin Western blot image was used to represent results from different experiments in Figs. 3D and 5B. The original research records related to the figures were not available during the review. Therefore, the institutions were not able to determine which of the published images are correct and recommended retraction; upon internal review, the editors agreed with this recommendation. A copy of this Retraction Notice was sent to the last known e-mail addresses for all four authors. One author (S. Katiyar) agreed to the retraction; two authors (S.M. Meeran and S.K. Katiyar) did not agree to the retraction; the remaining author (C.A. Elmets) did not respond.