Mistakes made in key stem cell research

The researchers claimed to have created human embryonic stem cells from human skin tissue

The lead author of what has been described as milestone stem cell research published last week has admitted mistakes were made in the rush to get the paper published.

The researchers claimed to have created human embryonic stem cells from human skin tissue.

Allegations were made by a contributor to scientific peer review website PubPeer.

It was claimed that there were issues of concern with a number of images in the presentation of the study in the respected international academic journal Cell.

The claim was subsequently brought to the attention of the Massachusetts-based biology biweekly publication, which responded on Twitter by saying its editorial team was currently assessing the allegations.

However, the paper's lead author, Shoukhrat Mitalipov, has told the science journal Nature that there are three innocent mistakes in the paper made during the rush to publish.

He said he takes responsibility for the mistakes.

However, questions are now being raised about the journal's three-day time scale from submission to acceptance of the paper, given the controversy that surrounds the issue of cloning.

Dr Mitalipov, from the Oregon Health and Science University, admitted to Nature that he rushed publication so that he could present the results at a conference in June and took responsibility for the errors.

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Mistakes made in key stem cell research