GAPDH:	5′-TTTGTGATGGGTGTGAACCACG-3′ (sense)
	5′-TTGTGAGGGAGATGCTCAGTGTTG-3′ (antisense)
Rps18:	5′-TGCGAGTACTCAACACCAACATCG-3′ (sense)
	5′-GCCAGTGGTCCTGGTGTGCTGA-3′ (antisense)
Smo:	5′-TGCCACCAGTGCAGTTCCTCG-3′ (sense; endogenous-specific)
	5′-GGTGTGCTCTCAGGAAGAGCCAT-3′ (antisense; endogenous/exogenous)
SmoA1:	5′-CCCATGGAGAAGTCCGAGTC-3′ (sense; exogenous-specific)
	5′-GGTGTGCTCTCAGGAAGAGCCAT-3′ (antisense; endogenous/exogenous)
Gli1:	5′-TCACCCTGCCATGAAACTTTCACC-3′ (sense)
	5′-TCATGGGAAAGAGGAGGGCTCA-3′ (antisense)
Nkx3.2:	5′-AACCGTCGCTACAAGACCAAACG-3′ (sense)
	5′-GGGACGCAGGAATCCTTCTTTG-3′ (antisense)
Ihh:	5′-CATGACCCAGCGCTGCAAGG-3′ (sense)
	5′-CCTGGAAAGCTCTCAGCCGG-3′ (antisense)
Col X:	5′- CCCCATCCCATTTATGAGATTCTG-3′ (sense)
	5′- GAGCCATACCTGGTCATTTTCTGTG-3′ (antisense)
Wnt1:	5′-CCTCACGACCTCGTCTA-3′ (sense)
	5′-AGTGGAAGGTGCAGTTG-3′ (antisense)
Wnt3a:	5′-GGAGTTTGCCGATGCCA-3′ (sense)
	5′-CGCACCCATCTATGCCA-3′ (antisense)
Wnt4:	5′-TTTGACGGTGCCACGGA-3′ (sense)
	5′-TTGCGCTGTGTGGAAGC-3′ (antisense)
Wnt5a:	5′-TCCGGACTACTGTGTGC-3′ (sense)
	5′-AGCAGCACCAGTGAAAC-3′ (antisense)
Wnt7a:	5′-ATATCGAGAAGTCACCCA-3′ (sense)
	5′-AGCACCAGTGGAATTTG-3′ (antisense)
Lrp5:	5′-AACGTGGACGTGTTTTA-3′ (sense)
	5′-AGTCCGAATTCAAGTCC-3′ (antisense)
Lrp6:	5′-GTGACTATGCTCCTAGCC-3′ (sense)
	5′-TGGTGGGAGTAACTCCT-3′ (antisense)
Sfrp1:	5′-GGCCCATCAAGAAGAAG-3′ (sense)
	5′-GGGACACTCGTGGTTTT-3′ (antisense)
Sfrp2:	5′-GAGACACCAAGATCATCC-3′ (sense)
	5′-GTTTCACGGAGGTGATC-3′ (antisense)
Sfrp3:	5′-GTGACTATGCTCCTAGCC-3′ (sense)
	5′-TGGTGGGAGTAACTCCT-3′ (antisense)