Expression of Concern: Circulating ghrelin concentrations are lowered by intracerebroventricular insulin

Diabetologia, Sep 2017

M. Ueno, J. B. C. Carvalheira, R. L. G. S. Oliveira, L. A. Velloso, M. J. A. Saad

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Expression of Concern: Circulating ghrelin concentrations are lowered by intracerebroventricular insulin

the journal has informed the corresponding author Expression of Concern: Circulating ghrelin concentrations are lowered by intracerebroventricular insulin M. Ueno 0 1 J. B. C. Carvalheira 0 1 R. L. G. S. Oliveira 0 1 L. A. Velloso 0 1 M. J. A. Saad 0 1 0 Department of Internal Medicine, State University of Campinas (UNICAMP) , Campinas, São Paulo 13081-970 , Brazil 1 M. J. A. Saad - (these need only be retained for a 5 year period according to Brazilian law). It has therefore not been possible to use image forensics to conclusively confirm or refute this concern. Dr Saad offered to supply new western blot images; however the EASD’s Scientific Integrity Panel did not consider it appropriate to publish a corrigendum with the new data. The University of Campinas (São Paulo, Brazil) is undertaking an institutional investigation into the work carried out by members of this group. The results of this investigation are not yet available, thus this expression of concern is being issued in the interim to alert readers to exercise caution when interpreting the content and conclusions of this article. This expression of concern will remain in place until such a time as further evidence is available.


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M. Ueno, J. B. C. Carvalheira, R. L. G. S. Oliveira, L. A. Velloso, M. J. A. Saad. Expression of Concern: Circulating ghrelin concentrations are lowered by intracerebroventricular insulin, Diabetologia, 2017, 1-1, DOI: 10.1007/s00125-017-4357-5