Retraction to: Dig Dis Sci (2016) 61:2303–2314 https://doi.org/10.1007/s10620-016-4149-7

This article [1] is retracted at the request of Editor-in-Chief.

The GAPDH band in Figure 1A and Figure 5A in [1] appears to be duplicated from Figure 4A in [2].

The PCNA and p27 bands in Figure 4D in [1] appear to be duplicated from portions of Figure 4A in [3] and Figure 1A in [2].

The bands in Figure 1A, 4D and 4D [1] appear to be identical.

Figure 7B in [1] appears to be duplicated from [4].

This article contains substantial text overlap with [5,6,7,8,9,10].

All authors agree to this retraction.