Retraction Note to: High expression level and nuclear localization of Sam68 are associated with progression and poor prognosis in colorectal cancer

Retraction note to: BMC Gastroenterol 2013, 13:126 10.1186/1471-230X-13-126

The Editor has retracted this article after a number of concerns were raised, including:

• Overlapping panels in Figures 2 and 3

• Inaccurate description of Figure 2 parts A-C in the figure legend

• Lack of discussion of the difference between the behaviour of the cell line COLO205 compared with the other cell lines used

• Lack of methodological information relating to the 9 paired colorectal cancer tissue samples

• No description of normal cell lines used and inconsistencies in the descriptions of colorectal cell lines

The Editor no longer has confidence in the results and conclusions presented. Yan-Mei Cu agrees with this retraction. Wen-Ting Liao and Li-Bing Song disagree with this retraction. Jun-Ling Liu, Zheng-Gen Wang, Ling Shi, Ting-Ting Li, Xiao-Hui Zhao, Xiu-Ting Chen and Yan-Qing Ding have not responded to correspondence from the Editor about this retraction.