RETRACTED: Retrovirally mediated RNA interference targeting the M2 subunit of ribonucleotide reductase: A novel therapeutic strategy in pancreatic cancer.
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).

This article has been retracted at the request of the Editors-in-Chief, because an investigation by Harvard Medical School and the Brigham and Women’s Hospital has concluded that Figure 1A is invalid and no underlying research data are available to resolve the discrepancies or validate the reported results.
Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115, USA.
Mark S
MS
Duxbury
Hiromichi
H
Ito
Eric
E
Benoit
Michael J
MJ
Zinner
Stanley W
SW
Ashley
Edward E
EE
Whang
D017209:Apoptosis; D045744:Cell Line, Tumor; D003841:Deoxycytidine / Q000031:analogs & derivatives* / Q000494:pharmacology; D006801:Humans; D020780:Matrix Metalloproteinase 9 / Q000235:genetics; D016328:NF-kappa B / Q000378:metabolism; D010190:Pancreatic Neoplasms / Q000473:pathology / Q000628:therapy*; D034622:RNA Interference; D012190:Retroviridae / Q000235:genetics; D012262:Ribonucleoside Diphosphate Reductase / Q000037:antagonists & inhibitors* / Q000235:genetics; D000093542:Gemcitabine
D016328:NF-kappa B; D003841:Deoxycytidine; C093713:ribonucleotide reductase M2; D012262:Ribonucleoside Diphosphate Reductase; D020780:Matrix Metalloproteinase 9; D000093542:Gemcitabine