Table 2.

Common DNA methylated genes across stages

Stages	DNA methylated genes
	Number	List of genes
Common DNA methylated genes across the three stages	34	AJAP1, ATP8A2, CCDC140, CNTP2, CYYR1, EVX1, FERD3L, FOXG1, GRIK3, GRM6, HAND2, HOXA9, HOXB4, HOXD4, HOXD9, HOXD12, INPP5B, OTX2, KRTAP8-1, MMP26, PHOX2A, PLEKHA6, POU4F2, PRAC, PRKCB, PTGDR, REG3A, SIX6, SLC6A2, SPAG6, TBX20, TLX3, TMEM130, ZNF560
Common DNA methylated genes across Stage I & II	12	ADCY4, BHMT, C12orf34, CDO1, LVRN, LY96, MSC, PCDHGA12, POU3F3, ZNF154, ZNF577, IHH
Common DNA methylated genes across Stage II & III	30	BARHL2, C10orf81, CCDC140, DEFB119, DIO3, FAM135B, FAM83A, GRIK2, HOXA4, HOXD10, HS3ST2, KCNS2, KRTAP15-1, LEP, LHX1, LYPD5, MAGEB6, NEUROG1, NKX6-2, OR5I1, SERPINB5, SPHKAP, TAL1, TBX4, TBX5, TCN1, TMEM132D, VSX1, ZNF454, IGKV7-3
Common hypermethylated genes across Stage I and Stage III	42	AJAP1, ATP8A2, CCDC140, CNTP2, CYYR1, EVX1, FERD3L, FOXG1, FOXI2, GALR1, GAS7, GRIK2, GRM6, HAND2, HLA-G, HOXA7, HOXA9, HOXB4, HOXD4, HOXD8, HOXD9, HOXD12, INPP5B, NID2, NPY, OTX2, PAX7, PHOX2A, PLEKHA6, POU4F2, PRAC, PRKCB, PTGDR, SIX6, SLC6A2, SOX17, SPAG6, TBX20, TLX3, TMEM130, VIPR2, ZNF560
Common hypomethylated genes across Stage I and Stage III	4	CORO6, MMP26, REG3A, KRTAP8-1