Table 2 Primer sequences and Genbank accession number used for amplification of integrin α3, integrin β4, desmoplakin I and II, plakoglobin and desmocollin 3.

Gene	Forward primer 5′‐3′	Reverse primer 5′‐3′	Genbank reference	PCR product (bp)
Integrin α3	TCCTGCCTAAGGTTGTCTACG	TTGGAACTAGCCTCAGCTTCTC	NM_002204	546
Integrin β4	CTGTGAGATGGCCCAAGGAG	GGGTGCAAGGATGGAGTAGC	NM_000213	528
Desmoplakin I and II	CCTGCACAGGTGGCATCATC	CCGGAGCCGAAGACATGTTG	NM_004415	507
Plakoglobin	CAGGTGCGGTTCCTCATCTG	AAGCACCCTGGAGAGAGAAGC	NM_002230	531
Desmocollin 3	ACTGTGGAGCCTCACCAAAG	CCGGCAGGATTCCAAGGTCT	NM_024423	517

PCR, polymerase chain reaction.