“IP1867B” suppresses the insulin-like growth factor 1 receptor (IGF1R) ablating epidermal growth factor receptor inhibitor resistance in adult high grade gliomas”
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“I The text description of results does not match the data. For example, on p32, final paragraph: “… there was considerable reduction of IGF1R, IL6R and EGFR protein expression post-IP1867B treatment in all our aHGG cells (Fig, 4D). This is not true for SEBTA-003, where EGFR levels went up, and IGFR1 remained the same (i.e. undetectable). On p34, and the top of p36, again the text description does not match the data in the figures. II The blots in Fig. 4 d and g show quite different behaviour for total EGFR in the UP-029 and SEBTA-003 cell lines. At the very least, this highlights problems with reproducibility. The blot for IL6R is very poor quality. III The blots for Fig. 4d have different sample orders in the left vs right panels. Really? From the same experiment, run at the same time? IV The text on page 36 states that six mice were used per group, but the data in Fig. 5b and 5i show only 3 mice.”
“The University has investigated the allegations in accordance with its Procedure for the Investigation of Allegations of Misconduct in Research. As a result of a detailed and thorough investigation, including an investigation by experts in the field who were external to the University of Portsmouth, we have concluded that Dr Hill was guilty of research misconduct in relation to the research involved in the paper cited above”
“Upon our separate investigation, it has been determined that the paper headline relies on showing that there was considerable reduction of IGF1R, IL6R and EGFR post treatment of cell lines. During review, it was determined that this cannot be concluded from the presented data. For example, in SEBTA-003 the EFGR levels go up and there is no difference in GFR1. It is apparent from Fig. 4d that in the SEBTA-003 cell line the EGFR level does not go down, which is stated in the Results section on page 32, it is rather going up. The data for IGFR1 are inconclusive and there are concerns regarding the blot. The general implications would be that the affects of the drug IP1867B does not seem to be the same for all tested cell lines, and this should have been discussed in detail by the authors …”