Expression of Concern: The MAPK Pathway Signals Telomerase Modulation in Response to Isothiocyanate-Induced DNA Damage of Human Liver Cancer Cells

Abstract
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TopicsGenomics, phytochemicals, and oxidative stress · Telomeres, Telomerase, and Senescence · Cancer-related Molecular Pathways
Following the publication of this article [1], concerns were raised with results presented in Figs 2 and 3. Specifically,
The corresponding author stated that in order to allow direct comparability of the respective target protein signals with the corresponding β-actin loading control, β-actin loading controls were shown more than once in cases where the same membrane was used for the detection of different target proteins. They also stated that, in Figure 5D of [3], the labeling of the Huh7 and Hep3B samples was inadvertently interchanged. The corresponding author stated that the original raw data for [1] are no longer available.
In light of the above concerns which cannot be fully resolved in the absence of the underlying data, the PLOS One Editors issue this Expression of Concern.
The reference list from the paper itself. Each links out to its DOI / PubMed record.
- 1Lamy E, Herz C, Lutz-Bonengel S, Hertrampf A, Márton M-R, Mersch-Sundermann V. The MAPK pathway signals telomerase modulation in response to isothiocyanate-induced DNA damage of human liver cancer cells. P Lo S One. 2013;8(1):e 53240. doi: 10.1371/journal.pone.0053240 23382840 PMC 3561400 · doi ↗ · pubmed ↗
- 2Lamy E, Hertrampf A, Herz C, Schüler J, Erlacher M, Bertele D, et al. Preclinical evaluation of 4-methylthiobutyl isothiocyanate on liver cancer and cancer stem cells with different p 53 status. P Lo S One. 2013;8(8):e 70846. doi: 10.1371/journal.pone.0070846 23936472 PMC 3732292 · doi ↗ · pubmed ↗
- 3Herz C, Hertrampf A, Zimmermann S, Stetter N, Wagner M, Kleinhans C, et al. The isothiocyanate erucin abrogates telomerase in hepatocellular carcinoma cells in vitro and in an orthotopic xenograft tumour model of HCC. J Cell Mol Med. 2014;18(12):2393–403. doi: 10.1111/jcmm.12412 25256442 PMC 4302645 · doi ↗ · pubmed ↗
