Table 1. Primers used in this study.

Gene ID	Gene name	Forward (5′–3′)	Reverse (5′–3′)
NM_144841	Otx2	GCATCCCTCCGTGGGCTACC	TGGGGAGATGGACGCTGGGC
NM_027504	Prdm16	CCGGGGTGCTCACGAACCAC	GCCCCTTCCCAAAGGTCGGC
NM_001025427	Hmga1	ATGAGCGAGTCGGGCTCAAAGT	TCACTGCTCCTCCTCAGAGGAC
NM_011305.3	RXRa	GTCCGCCCTTCTCTGTCATCAG	CCTCGTTGGCACTGCTGGTGG
NM_011254.5	Crbp1	ATCGTGCAGGATGGCGACCAC	ATCGTGCAGGATGGCGACCAC
NM_008495.2	Lgals1	ATGGCCTGTGGTCTGGTCGCC	TCACTCAAAGGCCACGCACTTA
NM_008084.2	Gapdh	TCAACGGGAAGCCCATCACCAT	GAACACGGAAGGCCATGCCAGT
NM_022987	Zic5	GCTGTCCCAGGTTCCCGCAC	TAGGTGCCGCTGGCCGAGAT
NM_175606	Hopx	ATGTCGGCGCAGACCGCGAGC	CTAGTCCGTAACAGATCTGCATT
NM_009574	Zic2	TTCACCACGCGCACTCGGAC	GCCACAGCCCGGGAAAGGAC
NM_009697	Nr2f2	TACCCAGCCTACCCACGGGC	GAGCATCCGTGCGGCCAGTT
NM_013692.2	Klf10	GGTACCCCAGCCCGTTGTGC	CTGTGCGGAAGCAGGGGTCG
NM_016743	Nell2	GCACTCACCGTCCCCACACG	TCCACATACGCAGGGGCCGA