The amyloid plaque one had 2.500 citations, by the way, and apparently it’s the second most cited paper to be retracted. The most cited retracted paper is Jiang, Y., Jahagirdar, B., Reinhardt, R. et al.: Pluripotency of mesenchymal stem cells derived from adult marrow, which claimed that adult stem cells could become any type of cell.

Source: https://www.science.org/content/article/researchers-plan-retract-landmark-alzheimers-paper-containing-doctored-images