This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Concerns regarding the western blotting and live-cell imaging data presented in this paper were reported to the journal editors. An investigation by a faculty committee at the University of Illinois at Chicago, where the work was carried out, concluded that some figures had been manipulated by the first author. In light of the committee’s findings, the corresponding author wishes to retract the paper in full. The first author agreed with the retraction of this work but declined further explanation. The corresponding author apologizes to the journal, the reviewers of the manuscript, and the scientific community for the inconvenience caused.