In the article “Platelet-Derived Growth Factor B Chain Is a Novel Target Gene of Cocaine-Mediated Notch1 Signaling: Implications for HIV-Associated Neurological Disorders,” by Honghong Yao, Ming Duan, Guoku Hu, and Shilpa Buch, which appeared on pages 12449–12454 of the August 31, 2011 issue, on page 12452, within Figure 4D, an erroneous image of the Western blot for β-actin in the left and right panels was included. This error does not affect the conclusions of the article. The authors regret the error. The updated Figure 4 is below.
