RETR A C T I O N Open Access Retraction: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma Linwei Li 1 , Chunpeng Zhang 2 , Xiaoyan Li 1 , ShihHsin Lu 2 , Yun Zhou 1* Retraction The authors have retracted this article [1] as there was a large overlap with a previously published article in Inter- national Journal of Cancer [2]. Dr Lu ShihHsin, although listed as an author, was not aware of the publi- cation in Journal of Experimental & Clinical Cancer Research and the grant reference number stated in the acknowledgements was incorrectly applied to this article. Author details 1 Oncology Department, Henan Provincial People’s Hospital, Zhengzhou 450003, PR China. 2 State Key Laboratory of Molecular Oncology and Department of Etiology and Carcinogenesi s, Cancer Institute & Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100021, PR China. Received: 15 February 2011 Accepted: 16 February 2011 Published: 16 February 2011 References 1. Li Linwei, Zhang Chunpeng, Li Xiaoyan, Lu ShihHsin, Zhou Yun: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma. Journal of Experimental & Clinical Cancer Research 2010, 29:133. 2. Li LW, Yu XY, Yang Y, Zhanag CP, Guo LP, Lu SH: Expression of esophageal cancer related gene 4 (ECRG4), a novel tumor suppressor gene, in esophageal cancer and its inhibitory effect on the tumor growth in vitro and in vivo. Int J Cancer 2009, 125:1505-1513. doi:10.1186/1756-9966-30-19 Cite this article as: Li et al.: Retraction: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma. Journal of Experimental & Clinical Cancer Research 2011 30:19. Submit your next manuscript to BioMed Central and take full advantage of: • Convenient online submission • Thorough peer review • No space constraints or color figure charges • Immediate publication on acceptance • Inclusion in PubMed, CAS, Scopus and Google Scholar • Research which is freely available for redistribution Submit your manuscript at www.biomedcentral.com/submit * Correspondence: lilinweillw@yahoo.com.cn 1 Oncology Department, Henan Provincial People’s Hospital, Zhengzhou 450003, PR China Full list of author information is available at the end of the article Li et al. Journal of Experimental & Clinical Cancer Research 2011, 30:19 http://www.jeccr.com/content/30/1/19 © 2011 Li et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://c reativecommons.org/li censes/by/2.0), which permits unrestricte d use, di stribution, and reproduction in any medium, provided the original work is properl y cited. . Xiaoyan, Lu ShihHsin, Zhou Yun: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma. Journal of Experimental & Clinical Cancer Research. Access Retraction: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma Linwei Li 1 , Chunpeng Zhang 2 , Xiaoyan Li 1 , ShihHsin Lu 2 , Yun. et al.: Retraction: The candidate tumor suppressor gene ECRG4 inhibits cancer cells migration and invasion in esophageal carcinoma. Journal of Experimental & Clinical Cancer Research 2011