Table I.

Sequences of primers used for reverse transcription-quantitative polymerase chain reaction.

Primer	Sequence (5′->3′)
Prr32 forward	CTTTCCACCAAGGGGTTCAC
Prr32 reverse	GCAGTGGAGAAGCAAAAGCA
Lmx1a forward	ACGGCCTGAAGATGGAGGA
Lmx1a reverse	CAGAAACCTGTCCGAGATGAC
Slc5a7 forward	ATGTCTTTCCACGTAGAAGGACT
Slc5a7 reverse	TTGCCGCTGTTTTTGGTTTTC

Prr32, proline rich 32; Lmx1a, LIM homeobox transcription factor 1α; Slc5a7, solute carrier family 5 member 7.