sentences:  Inhibition of Aurora B due to loss of topoisomerase II seems to depend on BubR1 activity (see below).Aurora B has been shown to bind to end-binding protein 1 (EB1), a protein that regulates microtubule dynamics.Indirect immunofluorescence showed that Aurora B and EB1 colocalize during anaphase on the central spindle and in the midbody during cytokinesis.