Expanded GAA repeats impair FXN gene expression and reposition the FXN locus to the nuclear lamina in single cells. Ana M. Silva, Jill M. Brown, Veronica J. Buckle, Richard Wade-Martins and Michele M.P. Lufino; Hum. Mol. Genet. (2015) doi: 10.1093/hmg/ddv096 First published online: March 26, 2015