This article has been retracted at the request of Editor-in-Chief and Authors, and is available online only.

The following article from Cancer Science, ‘Cloning and expression of soluble recombinant human esophageal cancer-related gene 4 protein and its inhibitory effect on tumor growth in vitro and in vivo in esophageal carcinoma’ by Linwei Li, Yang Yang, Xiaoyan Li, Yun Zhou and ShihHsin Lu (doi: 10.1111/j.1349-7006.2011.01911.x), posted online on 21 February 2011 in Wiley Online Library (, has been retracted by agreement between the authors, the journal Editor-in-Chief, Yusuke Nakamura, and Blackwell Publishing Asia Pty Ltd. The retraction has been made as the article was not in a form suitable for publication and not all the authors had consented to its publication.

Yusuke Nakamura Editor-in-Chief Cancer Science