PHIP and autism: For example, rs4632856 (P = 4 × 10−6 in the paternal parent-of-origin test) was shown to be an eQTL for PHIP [63] (P = 2.36 × 10−8), a gene which has been implicated in intellectual disability and developmental delay [64, 65]; rs3731769 (P = 0.00001 in the maternal parent-of-origin test) was suggestive (P = 4.95 × 10−6) in a study of autism [66].