GPR1 was reported to show imprinted paternal expression in three samples of cord blood leukocytes
but biallelic expression in the placenta (Hiura
H et al. 2010). In response the presence of duplicate panels in Figures 2, 4, 6 and S3 the
editors of NAR have issued an "Expression of concern" (Expression of concern 2014) and revised
figures have been published.
A paternally methylated DMR is located between GPR1 and ZDBF2 (Hiura
H et al. 2010).