To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie S1 Dynamics of iPNBs in live HeLa cells expressing EGFP-B23. A total of 400 images from each cell were captured over 400 sec. iPNBs showed preferentially constrained motions within a small volume of nuclear space. RNA-dependent disassembly of nuclear bodies Yana R. Musinova, Olga M. Lisitsyna, Dmitry V. Sorokin, Eugene A. Arifulin, Tatiana A. Smirnova, Roman A. Zinovkin, Daria M. Potashnikova, Yegor S. Vassetzky, and Eugene V. Sheval J Cell Sci 2016. 129:4509-4520; doi: 10.1242/jcs.189142 Download Original Video