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Roland F. Hoffmann, Yuri M. Moshkin, Stijn Mouton, Nicola A. Grzeschik, Ruby D. Kalicharan, Jeroen Kuipers, Anouk H.G. Wolters, Kazuki Nishida, Aleksander V. Romashchenko, Jan Postberg, Hans Lipps, Eugene Berezikov, Ody C.M. Sibon, Ben N.G. Giepmans, Peter M. Lansdorp, Guanine quadruplex structures localize to heterochromatin, Nucleic Acids Research, Volume 45, Issue 10, 2 June 2017, Page 6253, https://doi.org/10.1093/nar/gkx301
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Nucleic Acids Res. (08 January 2016) 44 (1): 152–163. doi: 10.1093/nar/gkv900
The corresponding Author and Editors wish to jointly express a note of concern regarding the above article.
Recent studies by the corresponding Author and new collaborators have revealed that mouse monoclonal antibody 1H6, used in the above article to detect G-quadruplexes, cross-reacts with some other DNA sequences, notably adjacent thymidines in single stranded DNA that are restricted in their movement in G4 structures and denatured DNA fibers. While the data reported in the published article remain valid, the Editors and corresponding Author wish to alert Readers of this cross-reactivity as it is likely to affect the interpretation of the results of all experiments using the 1H6 antibody.
The Editors commend the corresponding Author for being forthcoming and disclosing these latest results which have been also been published in NAR (1).
Keith Fox, Senior Executive Editor, Nucleic Acids Research
Barry Stoddard, Senior Executive Editor, Nucleic Acids Research
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