Deletion of CTCF sites in the SHH locus alters enhancer-promoter interactions and leads to acheiropodia.
Ushiki A, Zhang Y, Xiong C, Zhao J, Georgakopoulos-Soares I, Kane L, Jamieson K, Bamshad MJ, Nickerson DA; University of Washington Center for Mendelian Genomics; Shen Y, Lettice LA, Silveira-Lucas EL, Petit F, Ahituv N.