Table 2 Polymerase chain reaction (PCR) primers used for quantitative reverse transcription‐PCR analysis of chemokines.

Gene	Primer sequence	Product size (bp)
CCL19	5′‐CCAGCCTCACATCACTCACACCTTGC‐3′	324
	5′‐TGTGGTGAACACTACAGCAGGCACCC‐3′
CCL20	5′‐ CTGTACCAAGAGTTTGCTCC ‐3′	193
	5′‐ GCACAATATATTTCACCCAAG ‐3′
CCL21	5′‐AACCAAGCTTAGGCTGCTCCATCCCA‐3′	249
	5′‐TATGGCCCTTTAGGGGTCTGTGACCG‐3′
β‐Actin	5′‐ CTACAATGAGCTGCGTGTGGC ‐3′	270
	5′‐ CAGGTCCAGACGCAGGATGGC ‐3′