Table 1. Primers used for RT-PCR.

FGFR1-fwd	GGCAGGCGTCTCGGAATATG
FGFR1-rev	CGGTGCCATCCACTTCACTG
Gremlin-fwd	TGCCTGGAGCATCGGTGTAA
Gremlin-rev	TGGATCTCAGGGAGCCATCC
Smad3-fwd	TGGAGGATGGCAAAGGGATG
Smad3-rev	TGTCCCTGCCTGGTCCAAAT
Sox2-fwd	TTGGCATGGAGCCCTTGAAT
Sox2-rev	CGGAAGATGGCCCAAGAGAA
FGF2-fwd	TGCCCTGGTCCAGTTTTTGG
FGF2-rev	CTGCGGGCAGCATCACCAC
BMP4-fwd	TCCGGGGAAGAGGAGGAAAG
BMP4-rev	CGTCGTGGCTGAAAGTGACC
RUNX1-fwd	TACGTGGGGGTGACCGATCT
RUNX1-rev	CCCCACACCTAACCCACGAG
HOXA7-fwd	TCTCGTTGGTCGCTGGAGTG
HOXA7-rev	ACGGGGGCTTCTCTTTTCCA
BMP5-fwd	CAGGGAGGCTTGGGAGACAA
BMP5-rev	CGATTGTGGCTTCGGTCCTT