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Table 4 The top 2 differentially methylated CpG sites associated with COPD

From: Variable DNA methylation of aging-related genes is associated with male COPD

CpG Site

Gene

Mean Difference Methylation

FDR Adjusted p-value

Logistic regression model for risk factors

Adjust β (95% CI)

p-value

chr4:75310999

AREG

0.46%

0.011

71.34(1.79, 140.9)

0.044

chr4:75310908

AREG

0.45%

0.008

49.92(−3.04, 102.88)

0.065

chr3:112281685

ATG3

−2.61%

0.037

−8.45(−16.32, −0.59)

0.035

chr3:112281810

ATG3

−1.83%

0.037

− 12.00(−23.35, − 0.64)

0.038

chr6:108882977

FOXO3

−9.09%

1.68855E-05

−8.83(− 14.65, −3.00)

0.003

chr6:108882982

FOXO3

−9.04%

3.652E-05

−8.52(−14.26, −2.78)

0.004

chr20:32273763

E2F1

−3.45%

0.008

−21.5(−43.20,0.19)

0.052

chr20:32274387

E2F1

2.72%

0.014

20.01(4.35, 35.66)

0.012

chr1:32757717

HDAC1

0.67%

0.026

29.61(0.34, 58.89)

0.047

chr1:32757818

HDAC1

−0.41%

0.027

−50.71(−97.74, −3.65)

0.035

chr1:163292017

NUF2

−0.42%

0.011

−97.07(− 171.02, −23.11)

0.10

chr1:163291916

NUF2

0.33%

0.005

67.50(−5.96, 140.98)

0.072

chr16:55514378

MMP2

−1.66%

0.013

−14.01(−27.68, −0.34)

0.045

chr16:55514466

MMP2

−1.50%

0.023

−16.59(− 33.14, −0.05)

0.049

chr19:41859656

TGFB1

1.82%

0.033

11.88(1.38, 22.37)

0.027

chr19:41859677

TGFB1

−1.67%

0.01

−34.21(−60.97, − 7.45)

0.012

chr17: 7591645

TP53

−3.83%

0.001

139.19(18.45, 257.93)

0.024

chr17:7590743

TP53

−0.68%

0.026

209.32(80.13, 338.51)

0.001

  1. Differential methylation analysis was conducted between COPD patients and controls in blood samples from a total of 105 subjects. The method of Benjamin Hochberg was used to control the false discovery rate (FDR), p < 0.05; Adjusted β were derived from Binary logistic regression analysis. These factors were adjusted in the logistic regression analysis: age, smoking history and work environment and outdoor pollution