Retraction to: Long non-coding RNA HULC promotes bladder cancer cells proliferation but inhibits apoptosis via regulation of ZIC2 and PI3K/AKT signaling pathway

IOS Press has retracted the following publication from its online content:

[Cancer Biomarkers, 20(4) (2017), 425–434, DOI: 10.3233/CBM-170188]

Long non-coding RNA HULC promotes bladder cancer cells proliferation but inhibits apoptosis via regulation of ZIC2 and PI3K/AKT signaling pathway

Jintao Wang ${}^{\text{a}}$ , Weimin Ma ${}^{\text{b}}$ and Yidong Liu ${}^{\text{c}}$

${}^{\text{a}}$ Department of Urology, The No.4 People’s Hospital of Hengshui, Hengshui, Hebei, China

${}^{\text{b}}$ Department of Urology, Binzhou City Central Hospital, Binzhou, Shandong, China

${}^{\text{c}}$ Department of Urology, Taian City Central Hospital, Taian, Shandong, China

This paper belongs to a set of papers allegedly linked to a paper mill, as described in [1]. The editorial office contacted the authors to clarify the allegations, but to date there was no response; therefore the article has been retracted.