Table 1. The sequences for the primers in fluorescent quantitation PCR.

	Upstream primers	Downstream primers
CRABP-I	5′—TGAACGCCATGCTGAGGAA—3′	5′—GGCGCCAAATGTCAGGATTA—3′
RAR-β	5′—TAAGATCGTGGAGTTCGCCA—3′	5′—TTTCCAAAGGCAGGAGCTG—3′
GAPDH	5′-ACC ACA GTC CAT GCC ATC AC-3′	5′-TCC ACC ACC CTG TTG CTG TA-3