Retraction

It was called to our attention that some of the figures in our paper “Distinct roles of JNKs/p38 MAP kinase and ERKs in apoptosis and survival of HCD-57 cells induced by withdrawal or addition of erythropoietin,” published in the December 15, 1999, issue ofBlood (94:4067-4076), may have data that were also included in the figures of other experiments that were supposed to be entirely independent. We have carefully reviewed our paper and cannot exclude that this was indeed the case. This makes the conclusions from our report very uncertain, and we therefore retract the paper. We extend our deepest apologies to the scientific community for this event.

Sanford B. Krantz and Zhizhuang J. Zhao (authors)