Super-spotter test: advanced level

Elisabeth Bik identified eight duplicated areas (with slight contrast changes) in these western blot images from separate experiments in four figures in a paper. We have brought the figures together and simplified the labels.

Think you can spot them? Use the slider beneath to reveal the answers.

Scientific image containing duplicated regions.
The image that Elisabeth Bik was asked to review.
Scientific image with duplicated regions outlined.
The coloured squares show the duplicated regions that Elisabeth Bik uncovered.

Source: Y. Tan et al. PLoS ONE 9, e102195 (2014); retraction 14, e0220600 (2019).