Statement of Retraction. Physical Exercise Reduces Circulating Lipopolysaccharide and TLR4 Activation and Improves Insulin Signaling in Tissues of DIO Rats. Diabetes 2011;60:784–796. DOI: 10.2337/db09-1907
- Alexandre G. Oliveira,
- Bruno M. Carvalho,
- Natália Tobar,
- Eduardo R. Ropelle,
- José R. Pauli,
- Renata A. Bagarolli,
- Dioze Guadagnini,
- José B.C. Carvalheira and
- Mario J.A. Saad
The above-cited article has been retracted by the American Diabetes Association, the publisher of Diabetes. This article was previously the subject of an expression of concern in the March 2015 issue of the journal (Diabetes 2015;64:1068–1070. DOI: 10.2337/db15-ec03).
As noted in the March 2015 expression of concern, the American Diabetes Association asked the corresponding author’s institution, the University of Campinas, to review the following issues with the article:
An image published previously by the same laboratory in PLOS ONE (Calisto et al. PLoS ONE 2010. DOI: 10.1371/journal.pone.0014232) appears to be duplicated in this article. Figure 4B (bands 2–4) from the PLOS ONE article reappears in Fig. 3D (bands 1–3) in the article cited above, with horizontal rotation.
Figure 7 of the above-cited article appears to contain several instances of duplicated and overlapping bands. Specifically, these duplications appear in Fig. 7D (lane 1) and Fig. 7E (lane 3), Fig. 7D (lane 3) and Fig. 7E (lane 1), Fig. 7D (lane 4) and Fig. 7E (lane 2), Fig. 7D (lane 5) and Fig. 7E (lane 5), and Fig. 7D (lane 7) and Fig. 7E (lane 7).
The issues described in the March 2015 expression of concern were then reviewed by an investigative commission appointed by the …
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