To visualize the anti-uPARAP mAb uptake and document that the antibody was internalized, we exposed MM cells to fluorescently labelled anti-uPARAP mAb 9b7 or an isotype-matched irrelevant control antibody (mAb aTNP; [28]) during incubation for 5 h. This evidence concerns the gene MRC2 and Miyoshi myopathy.