RETRACTED: Heterogeneous promoter activity of the telomerase reverse transcriptase gene in individual acute myeloid leukemia cells defined by lentiviral reporter assay

The article entitled "Heterogeneous promoter activity of the telomerase reverse transcriptase gene in individual acute myeloid leukemia cells defined by lentiviral reporter assay" by Seiichiro Kobayashi, Yasushi Soda, Yuansong Bai, and Arinobu Tojo, published ahead-of-print on May 27, 2008 as doi: 10.3324/haematol.12123, and on July 1, 2008 as Haematologica 2008; 93:1103-5,1 has been retracted on June 27, 2008, by the corresponding author, Dr. Arinobu Tojo. In his email to the editorial office, Dr. Tojo stated that an investigation of the Institutional Review Board (IRB) records showed that the above study had not been approved by the IRB. doi: 10.3324/haematol.13594.