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Editorial

Editorial: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques

1
Cellular Stress and Ageing Program, Hepato and Renal Pathobiology Program, Bio&Nano Solutions, D-33647 Bielefeld, Germany
2
Department of Applied Sciences, Faculty of Health and Life Sciences, Northumbria University, Newcastle-upon-Tyne NE1 8ST, UK
*
Authors to whom correspondence should be addressed.
Editorial Board of the International Journal of the Molecular Sciences, MDPI AG, Basel, Switzerland.
Int. J. Mol. Sci. 2016, 17(11), 1914; https://doi.org/10.3390/ijms17111914
Submission received: 10 November 2016 / Revised: 10 November 2016 / Accepted: 10 November 2016 / Published: 16 November 2016

Abstract

:
This Editorial refers to:
Merlot, A.M.; Sahni, S.; Lane, D.J.R.; Richardson, V.; Huang, M.L.H.; Kalinowski, D.S.; Richardson, D.R. Letter to the Editor: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. Int. J. Mol. Sci. 2016, 17, 1916.
Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Response to Letter to the Editor by D. Richardson: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. Int. J. Mol. Sci. 2016, 17, 1917.
Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Correction: Analysis of the interaction of Dp44mT with human serum albumin and calf thymus DNA using molecular docking and spectroscopic techniques. Int. J. Mol. Sci. 2016, 17, 1915.
Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. Int. J. Mol. Sci. 2016, 17, 1042.

In a recent Internal Journal of the Molecular Sciences (IJMS) publication, Xu and co-workers presented evidence on the pharmacological interaction of the anti-tumor agent di-2-pyridylketone-4,4-dimethyl-3-thiosemicarbazone (Dp44mT) with human serum albumin (HSA) and DNA [1]. The pharmacological interaction of Dp44mT is an important issue in the optimization of Dp44mT as an anti-tumor agent [2]. To unravel the aforementioned interaction, the authors used a combination of fluorescence, UV-VIS absorbance, and circular dichroism measurements and molecular docking techniques.
However, upon publication, this paper became the focus of controversy and was alleged to contain numerous important flaws and factually incorrect statements [3]. Furthermore, the performed measurements were perceived as non-optimal and potentially problematic, and thus, the results and their interpretation might be unreliable. Because IJMS takes any complaint that is brought before us serious, IJMS started an investigation and asked Xu et al. to reply to the letter in detail [4] and assigned independent experts to reevaluate the manuscript and the correspondence regarding this manuscript. In addition, we, as members of the editorial board, evaluated the issues brought before us.
The overall consensus was that the alleged controversial nature of the paper was not significant enough to warrant a retraction or extensive correction. Xu et al. could certainly have used additional methods or more control experiments, but this is an issue that is not unique for this paper. We feel that the paper by Xu et al. provides new insights into the pharmacological action of Dp44mT and fits well within a climate that allows and stimulates scientific discussion. Nonetheless, two issues raised in the letter to the editor [3] were identified that required correction/amendment, which are published in a corrigendum [5].
Finally, IJMS, its Editorial Board, the handling editors and MDPI uphold the highest publication standards. IJMS is a member of the Committee on Publication Ethics (COPE). We fully adhere to its Code of Conduct and to its Best Practice Guidelines (see also: https://www.mdpi.com/journal/ijms/instructions). The current thorough investigation in which the opinion of external experts was solicited exactly demonstrates the adherence to such high standards.

Abbreviations

MDPIMultidisciplinary Digital Publishing Institute
IJMSInternational Journal of Molecular Sciences
COPECommittee on Publication Ethics

References

  1. Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Analysis of the interaction of Dp44mT with human serum albumin and calf thymus DNA using molecular docking and spectroscopic techniques. Int. J. Mol. Sci. 2016, 17, 1042. [Google Scholar] [CrossRef] [PubMed]
  2. Pluchino, M.K.; Hall, D.M.; Goldsborough, S.A.; Callaghan, R.; Gottesman, M.M. Collateral sensitivity as a strategy against cancer multidrug resistance. Drug Resist. Updates 2012, 15, 98–105. [Google Scholar] [CrossRef] [PubMed]
  3. Merlot, A.M.; Sahni, S.; Lane, D.J.R.; Richardson, V.; Huang, M.L.H.; Kalinowski, D.S.; Richardson, D.R. Letter to the Editor: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques and. Int. J. Mol. Sci. 2016, 17, 1916. [Google Scholar]
  4. Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Response to Letter to the Editor by D. Richardson: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. Int. J. Mol. Sci. 2016, 17, 1917. [Google Scholar] [CrossRef] [PubMed]
  5. Xu, Z.; Liu, Y.; Zhou, S.; Fu, Y.; Li, C. Correction: Analysis of the interaction of Dp44mT with human serum albumin and calf thymus DNA using molecular docking and spectroscopic techniques. Int. J. Mol. Sci. 2016, 17, 1915. [Google Scholar] [CrossRef] [PubMed]

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MDPI and ACS Style

Drummen, G.P.C.; Christov, C.Z. Editorial: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. Int. J. Mol. Sci. 2016, 17, 1914. https://doi.org/10.3390/ijms17111914

AMA Style

Drummen GPC, Christov CZ. Editorial: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques. International Journal of Molecular Sciences. 2016; 17(11):1914. https://doi.org/10.3390/ijms17111914

Chicago/Turabian Style

Drummen, Gregor P. C., and Christo Z. Christov. 2016. "Editorial: Analysis of the Interaction of Dp44mT with Human Serum Albumin and Calf Thymus DNA Using Molecular Docking and Spectroscopic Techniques" International Journal of Molecular Sciences 17, no. 11: 1914. https://doi.org/10.3390/ijms17111914

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