In the past month, PLOS ONE and Transplantation have retracted fifteen studies by authors in China because of suspicions that the authors may have used organs from executed prisoners.
All of the original studies — seven in Transplantation, and eight in PLOS ONE — were published between 2008 and 2014. Two involved kidney transplants, and the rest involved liver transplants. Two other journals, the Clinical Journal of the American Society of Nephrology and Kidney International, have recently issued expressions of concern for the same reason.
In an editorial explaining the seven retractions from its journal, the editors of Transplantation write: