Table 2. Differentially methylated loci highlighted from multiple analytic groups and their relevance to ASD phenotype.
| Associated phenotype | Reported in analyses | Gene |
|---|---|---|
| ASD | (1) Case versus control (2) ASD-discordant twins | NFYC, PTPRCAP |
| (1) Sporadic versus familial ASD (2) ASD-discordant twins | MBD4, RNF185, TINF2 | |
| Social autistic traits | (1) Discordant twins for social autistic traits (2) Combined autism group | AFF2, GNB2, GRB2, MAP4, PDHX, PIK3C3, SMEK2, THEX1 |
| Autistic RRBIs | (1) Discordant twins for RRBIs (2) Combined discordant group (3) ASD-discordant twins | TCP1 |
| (1) Discordant twins for RRBIs (2) Combined discordant group | ANKS1A, APXL, BPI, EFTUD2, NUDCD3, SNRPN, SOCS2 | |
| Communication autistic traits | (1) Discordant twins for communication autistic traits (2) Case versus control | NUP43 |
| (1) Discordant twins for communication autistic traits (2) Combined discordant group | CCT6A, CEP55, FCJ12505, SRF |
Abbreviations: ASD, autism spectrum disorder; RRBI, restricted repetitive behaviours and interests.