| Gene | Forward primer | Reverse primer |
| Ubiquitin C | CACTTGGTCCTGCGCTTGA | TTTTTTGGGAATGCAACAACTTT |
| Elastin | GAGCTTTTGCTGGAATCCCA | GGCAGTTTCCCTGTGGTGTAG |
| CRABP1 | AGCCGCTACGGCACTTT | AATTTCGACGAGCTGCTGAAG |
| CRABP2 | CAAACAGGAGGGAGACACTTTCTAC | CTCCTCCCCAACCTTGAAGTTA |
| RAR-α | CCTCTGGGACAAGTTCAGTCAACT | GTGCAGATCCGCAGCATCA |
| RAR-β | TTAAGATCGTGGAGTTTGCTAAACG | GGGTAAGGCCGTCTGAGAAAGT |
| RAR-γ | GAGCCTGGGTTTGGACTCTAAAAT | TCTCTAGTGTTCCTGTTTGCTCTCA |
| RXR-α | AGGCGCTGAGGGAGAAGGT | AGGAAGGTGTCAATGGGTGTGT |
| RXR-β | CGGTCCATTGGCCTTAAGTG | TCTCCATGAGGAAGGTGTCGAT |
| RXR-γ | GGTCAACAGTGTCAGCAGTTCAGA | CGGGAGGTAGTTCATGTTTCCAATCCCG |
CRABP, cellular retinoic acid binding protein; RAR, retinoic acid receptor; RXR, retinoic X receptor.