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Table 1 Primers and amplification conditions for PCR, pyrosequencing, and RT-qPCR experiments

From: DNA methylation of the allergy regulatory gene interferon gamma varies by age, sex, and tissue type in asthmatics

Gene/region

Assay

Primers

PCR Conditions

IFNγ promoter CpG -186

PCR and Pyrosequencing

F: 5’-biotin-AGATGGTGATAGATAGGTAGGGATGATA-3’

95°C, 15 min; 45 cycles of 95°C, 30 sec; 55°C, 30 sec; 72°C, 30 sec; 72°C, 10 min; 4°C hold

R: 5’-TCCCACCAAAATAACACAAATAAACAT -3’

S: 5’-AAATAAACATAATAAATCTATCTCA-3’

IFNγ promoter CpG -54

F: 5’ATGTGTTGTATTTTTTTTGGTTGTTGGTAT-3’

R: 5’-biotin-TATCATCCCTACCTATCTATCACCATCTC-3’

S: 5’-ATTGAAGTTTTTTGAGGATT-3’

IFNγ promoter (target)

RT-qPCR

F: 5’-TCGGTAACTGACTTGAATGTCCA-3’

95°C, 3 min; 40 cycles of 90°C, 10 sec; 55°C, 30 sec; 4°C hold

R: 5’-TCGCTTCCCTGTTTTAGCTGC-3’

GAPDH (internal control)

F: 5’-ACAACTTTGGTATCGTGGAAGG-3’

R: 5’-GCCATCACGCCACAGTTTC-3’

  1. F (forward primer), R (reverse primer), S (sequencing primer), IFNγ (interferon gamma), GAPDH (glyceraldehyde 3-phosphate dehydrogenase), min (minutes), sec (seconds).