Upregulated Expression of Indoleamine 2, 3-Dioxygenase in Primary Breast Cancer Correlates with Increase of Infiltrated Regulatory T Cells In Situ and Lymph Node Metastasis

Table 1

Primers for real-time quantitative RT-PCR.

Gene name	Primer sequences	Product size
IDO	UP: 5′-CATCTGCAAATCGTGACTAAG-3′	188 bp
	DP: 5′-CAGTCGACACATTAACCTTCCTTC-3′
Foxp3	UP: 5′-CCCACTTACAGGCACTCCTC-3′	486 bp
	DP: 5′-CTTCTCCTTCTCCAGCACCA-3′
β-actin	UP: 5′-TGGCACCCAGCACAATGAA-3′	186 bp
	DP: 5′-CTAAGTCATAGTCCGC CTAGAAGCA-3′

Note: UP: upstream primer; DP: downstream primer.