At least four retractions have appeared involving the work of a group of Japanese researchers who appear to have reused figures — and doctored them — in multiple manuscripts.
The authors, led by Yoshiyuki Hattori, of Dokkyo University School of Medicine in Mibu (whose motto, by the way, is “where character is developed through learning” a reader points out that we had the wrong Dokkyo initially), published the same figure twice, and in the same year, in the Journal of Cardiovascular Pharmacology and Biochimica et Biophysica Acta.
Here’s a retraction notice from the JCP: Continue reading New retractions of diabetes, cardiovascular papers from Japan involve repeat use of figures