This article has been retracted: please see Elsevier Policy on Article Withdrawal (https://www.elsevier.com/about/our-business/policies/article-withdrawal).

This article is being retracted following correspondence from an Investigation Committee at the University of Colorado Denver.

An internal investigation into this manuscript by the University of Colorado Denver, found evidence that there was image manipulation and that these actions warrant retraction to correct the scientific record.

Bands on blot obscured or removed, apparent when the images are enhanced (Fig 4A p21 band “C” at 24hr, Fig 4B p21 band “C” at 24hr, and Fig 4B Cyclin A band “10” at 48 hr).

本文已被撤回：请参阅爱思唯尔文章撤回政策（https://www.elsevier.com/about/our-business/policies/article-withdrawal）。

这篇文章在科罗拉多大学丹佛分校调查委员会的通信后被撤回。

科罗拉多大学丹佛分校对这份手稿进行了内部调查，发现有证据表明存在图像篡改，并且这些行为需要撤回以纠正科学记录。

印迹上的条带模糊或去除，当图像增强时很明显（图 4A p21 带“C”在 24 小时，图 4B p21 带“C”在 24 小时，图 4B 细胞周期蛋白 A 带“10”在 48 小时）。