Retraction.

Retraction: "Upregulation of Klotho potentially inhibits pulmonary vascular remodeling by blocking the activation of the Wnt signaling pathway in rats with PM2.5-induced pulmonary arterial hypertension," by Lu-Hong Cong, Shi-Yu Du, Yi-Na Wu, Ying Liu, Tao Li, Hui Wang, Gang Li, Jun Duan, J Cell Biochem. 2018; 5581-5597: The above article, published online on 30 January 2018 in Wiley Online Library (https://onlinelibrary.wiley.com/doi/10.1002/jcb.26729) has been retracted by agreement between the journal's Editor in Chief, Prof. Dr. Christian Behl, and Wiley Periodicals LLC. The retraction has been agreed following an investigation based on allegations raised by a third party. A detailed investigation revealed that several image elements of the experimental data were published elsewhere in a different scientific context. Thus, the editors consider the conclusions of this article to be invalid.