Table 1. Primers for qRT-PCR gene expression analysis.

Gene	Species	Sequence, 5′→3′
Sprr1a	Mus musculus	Forward: GCCCTGCACTGTACCTCCTC
		Reverse: GTGGCAGGGATCCTTGGTTTT
Sprr2a	Mus musculus	Forward: CCTTGTCCTCCCCAAGTG
		Reverse: AGGGCATGTTGACTGCCAT
Gapdh	Mus musculus	Forward:CACTGCCACCCAGAAGACTGT
		Reverse: GGAAGGCCATGCCAGTGA
SPRR1B	Homo sapiens	Forward: TATTCCTCTCTTCACACCAG
		Reverse: TCCTTGGTTTTGGGGATG
SPRR2A	Homo sapiens	Forward: CCTGAGCACTGATCTGCCTT
		Reverse: GACATGGCTCTGGGCACTTT
SPRR2D	Homo sapiens	Forward: GAGCTAAGAAAAGGAAGTCCTCA
		Reverse: TTATTCAGGGAGTGAACGATAAAT
GAPDH	Homo sapiens	Forward: GGATTTGGTCGTATTGGG
		Reverse: GGAAGATGGTGATGGGATT