CUGBP distribution. CUGBP is dispersed throughout DM nuclei (J), whereas MBNL colocalizes with DM foci (CUGn) (L) (from Mankodi et al, 200321). Ribonuclear inclusions in skeletal muscle in myotonic dystrophy types 1 and 2, Vol 54, No. 6, 2003, page 764. Copyright John Wiley & Sons, 2003. Reprinted with permission of John Wiley & Sons, Inc.