Macchiarini Retracts Another Paper

The embattled thoracic surgeon blames his former employer, the Karolinska Institute, for losing data related to the retracted research.

Written byBob Grant
| 2 min read

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YOUTUBE, ANNEWSPaolo Macchiarini, the thoracic surgeon and artificial organ researcher beset by allegations of misconduct, has assented to retracting another paper from the scientific literature. This time, it’s a 2014 Nature Communications article reporting the results of experiments in which Macchiarini and colleagues transplanted artificial esophagi into rats. The journal published an editorial expression of concern regarding the paper last year.

As Retraction Watch reported, the Karolinska Institute (KI), which employed Macchiarini when the research was conducted, asked that the paper be retracted after finding four of its coauthors guilty of research misconduct. All of those authors, including Macchiarini, agreed with the retraction.

But when asked by Retraction Watch why he consented to the retraction, Macchiarini cited the letter he sent to the editors of Nature Communications regarding the situation. “Given the pressure on you created by KI’s decision to cast us as guilty of scientific misconduct, I can see that retraction is possibly the only option available to you,” he wrote. “. . . The fact that Karolinska Institutet lost some of the animal house records when moving the facility, including some of the original ...

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  • From 2017 to 2022, Bob Grant was Editor in Chief of The Scientist, where he started in 2007 as a Staff Writer. Before joining the team, he worked as a reporter at Audubon and earned a master’s degree in science journalism from New York University. In his previous life, he pursued a career in science, getting a bachelor’s degree in wildlife biology from Montana State University and a master’s degree in marine biology from the College of Charleston in South Carolina. Bob edited Reading Frames and other sections of the magazine.

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