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. 2018 Oct 25;8:15775. doi: 10.1038/s41598-018-33986-8

Table 7.

Comparison of relative expression of 44 candidate genes between healthy controls (smokers and non-smokers) and COPD smoker patients (stage I and stage II) in age groups separately.

Age group Gene Symbol Healthy Non-Smoker (N = 45) Healthy Smoker (N = 50) COPD smoker (N = 10) COPD stage I smoker (N = 5) COPD stage II smoker (N = 5) Fold Regulation, adjusted p-value (HS vs. HNS) Fold Regulation, adjusted p-value (COPD vs. HS) Fold Regulation, adjusted p-value (stage I vs. HS) Fold Regulation, adjusted p-value (stage II vs. HS)
<50 years old 1. PPP4R4 6.56 ± 0.77 6.01 ± 0.86 5.23 ± 0.60 5.64 ± 0.43 4.84 ± 0.48 −1.091,0.009 −1.149, 0.005 −1.065, 0.99 −1.242, 0.009
2. THSD4 7.65 ± 0.47 7.36 ± 0.56 7.24 ± 0.47 7.47 ± 0.33 7.02 ± 0.51 −1.039, 0.049 −1.017, 0.579 1.015, 0.99 −1.049, 0.91
3. NRG1 3.81 ± 0.26 4.05 ± 0.45 3.89 ± 0.50 4.06 ± 0.62 3.72 ± 0.29 1.064, 0.008 −1.041, 0.131 1.002, 0.99 −1.090, 0.336
4. SCGB1A1 14.50 ± 0.15 14.36 ± 0.19 14.01 ± 0.41 14.15 ± 0.33 13.88 ± 0.47 −1.010, 0.005 −1.025, 0.009 −1.015, 0.149 −1.035, 0.001
5. AHRR 3.87 ± 0.15 4.53 ± 0.63 5.27 ± 0.73 5.66 ± 0.71 4.91 ± 0.59 1.168, 0.001 1.163, 0.004 1.250, 0.001 1.085, 0.618
6. CYP1A1 4.61 ± 0.24 5.95 ± 1.79 7.91 ± 2.16 8.22 ± 1.81 7.61 ± 2.67 1.290, 0.001 1.329, 0.008 1.381, 0.007 1.278, 0.046
7. CYP1B1 3.64 ± 0.53 7.54 ± 2.04 9.75 ± 1.17 10.23 ± 0.54 9.30 ± 1.53 2.072, 0.001 1.293, 0.003 1.357, 0.006 1.234, 0.17
8. PRDM11 5.72 ± 0.36 5.36 ± 0.34 5.20 ± 0.31 5.30 ± 0.18 5.11 ± 0.40 −1.067, 0.001 −1.031, 0.193 −1.011, 0.99 −1.048, 0.82
9. CBR3 7.26 ± 0.43 8.10 ± 0.68 8.58 ± 0.59 8.74 ± 0.41 8.44 ± 0.75 1.116, 0.001 1.059, 0.039 1.079, 0.155 1.042, 0.99
10. AKR1C1 6.92 ± 0.67 8.54 ± 1.14 8.71 ± 1.18 8.58 ± 1.42 8.85 ± 1.04 1.235, 0.001 1.020, 0.491 1.004, 0.99 1.036, 0.99
11. AKR1C3 10.31 ± 0.46 11.82 ± 0.73 12.15 ± 0.67 12.42 ± 0.42 11.88 ± 0.82 1.146, 0.001 1.028, 0.275 1.051, 0.266 1.006, 0.99
12. HTR2B 3.94 ± 0.21 4.22 ± 0.32 4.29 ± 0.36 4.31 ± 0.51 4.26 ± 0.18 1.072, 0.001 1.017, 0.421 1.021, 0.99 1.010, 0.99
13. GRM1 3.74 ± 0.11 4.01 ± 0.30 4.37 ± 0.73 4.38 ± 0.40 4.36 ± 1.01 1.072, 0.001 1.090, 0.112 1.091, 0.068 1.087, 0.028
14. CYP4Z1 6.88 ± 0.58 6.27 ± 0.59 5.90 ± 0.35 5.89 ± 0.45 5.91 ± 0.27 −1.097, 0.001 −1.063, 0.058 −1.065, 0.834 −1.062, 0.903
15. UCHL1 5.33 ± 0.59 8.71 ± 1.50 10.11 ± 1.79 10.35 ± 1.36 9.88 ± 2.31 1.636, 0.001 1.161, 0.008 1.188, 0.049 1.134, 0.181
16. CABYR 4.86 ± 0.29 6.85 ± 1.20 7.84 ± 1.64 8.52 ± 1.12 7.22 ± 1.99 1.409, 0.001 1.145, 0.037 1.244, 0.003 1.054, 0.99
17. GPRC5A 7.58 ± 0.66 7.50 ± 0.45 8.16 ± 0.61 7.98 ± 0.68 8.35 ± 0.55 −1.011, 0.99 1.088, 0.003 1.065, 0.392 1.114, 0.010
18. CCDC37 9.47 ± 0.55 9.34 ± 0.55 9.54 ± 0.66 9.40 ± 0.80 9.68 ± 0.55 −1.013, 0.99 1.021, 0.433 1.006, 0.99 1.036, 0.99
19. GLI3 7.62 ± 0.39 6.72 ± 0.60 6.51 ± 0.48 6.61 ± 0.49 6.41 ± 0.49 −1.133, 0.001 −1.032, 0.221 −1.017, 0.99 −1.050, 0.99
20. ABCC3 6.96 ± 0.43 7.91 ± 0.62 7.98 ± 0.69 8.14 ± 0.66 7.82 ± 0.76 1.136, 0.001 1.009, 0.716 1.029, 0.99 −1.011, 0.99
21. SAMD5 3.74 ± 0.15 3.97 ± 0.28 4.13 ± 0.62 4.13 ± 0.24 4.13 ± 0.89 1.060, 0.001 1.040, 0.455 1.041, 0.99 1.041, 0.614
22. RASSF10 7.71 ± 0.50 7.08 ± 0.57 6.41 ± 0.60 6.68 ± 0.36 6.15 ± 0.72 −1.089, 0.001 −1.105, 0.002 −1.060, 0.62 −1.152, 0.002
23. USP27X 7.46 ± 0.28 7.16 ± 0.40 6.52 ± 0.50 6.74 ± 0.34 6.31 ± 0.58 −1.041, 0.002 −1.098, 0.001 −1.063, 0.075 −1.136, 0.001
24. NR0B1 3.95 ± 0.25 4.36 ± 0.78 5.15 ± 0.84 5.35 ± 0.90 4.97 ± 0.81 1.103, 0.003 1.181, 0.005 1.226, 0.005 1.139, 0.23
25. PLAG1 5.87 ± 0.55 5.26 ± 0.57 4.74 ± 0.57 4.93 ± 0.64 4.55 ± 0.49 −1.116, 0.001 −1.110, 0.009 −1.067, 0.99 −0.866, 0.045
26. SCGB3A1 14.25 ± 0.40 13.93 ± 0.59 13.48 ± 0.78 13.89 ± 0.51 13.09 ± 0.85 −1.023, 0.025 −1.033, 0.092 −1.002, 0.99 −1.064, 0.006
27. LHX6 5.33 ± 0.35 5.80 ± 0.44 6.24 ± 0.57 6.28 ± 0.61 6.20 ± 0.59 1.087, 0.001 1.076, 0.016 1.084, 0.084 1.069, 0.25
28. LINC00942 3.57 ± 0.17 3.85 ± 0.69 4.45 ± 1.28 4.67 ± 1.53 4.24 ± 1.09 1.079, 0.073 1.156, 0.18 1.212, 0.008 1.101, 0.828
29. REEP1 9.40 ± 0.60 9.79 ± 0.55 9.81 ± 0.74 9.91 ± 0.91 9.71 ± 0.63 1.041, 0.013 1.002, 0.716 1.013, 0.99 −1.009, 0.99
30. C6orf164 5.53 ± 0.51 6.06 ± 0.56 6.08 ± 0.52 6.17 ± 0.53 5.99 ± 0.56 1.097, 0.001 1.003, 0.66 1.017, 0.99 −1.012, 0.99
31. LINC00589 5.15 ± 0.27 5.38 ± 0.32 5.32 ± 0.29 5.33 ± 0.16 5.30 ± 0.41 1.045, 0.001 −1.011, 0.848 −1.010, 0.99 −1.015, 0.99
32. JAKMIP3 4.50 ± 0.22 5.25 ± 0.61 6.18 ± 0.81 6.20 ± 0.92 6.16 ± 0.80 1.166, 0.001 1.177, 0.002 1.180, 0.001 1.174, 0.001
33. LINC00930 6.02 ± 0.36 6.90 ± 0.59 6.77 ± 0.71 6.87 ± 0.79 6.66 ± 0.69 1.146, 0.001 −1.019, 0.716 −1.004, 0.99 −1.035, 0.99
34. DNHD1 6.68 ± 0.50 7.15 ± 0.54 7.37 ± 0.83 7.47 ± 0.98 7.27 ± 0.75 1.070, 0.001 1.031, 0.358 1.044, 0.99 1.017, 0.99
35. TMCC3 3.80 ± 0.28 4.11 ± 0.48 4.48 ± 0.53 4.56 ± 0.62 4.40 ± 0.48 1.082, 0.001 1.090, 0.019 1.109, 0.12 1.071, 0.85
36. ADH7 8.08 ± 0.94 10.78 ± 0.72 10.87 ± 0.60 11.09 ± 0.59 10.66 ± 0.58 1.335, 0.001 1.008, 0.804 1.029, 0.99 −1.012, 0.99
37. PRKAR2B 7.35 ± 0.61 6.46 ± 0.74 5.74 ± 0.51 5.83 ± 0.46 5.64 ± 0.59 −1.137, 0.001 −1.125, 0.004 −1.107, 0.239 −1.145, 0.054
38. GAD1 4.87 ± 0.56 6.25 ± 0.99 7.44 ± 0.87 7.26 ± 1.01 7.62 ± 0.78 1.283, 0.001 1.190, 0.002 1.162, 0.068 1.219, 0.005
39. LOC338667 5.41 ± 0.34 5.20 ± 0.24 5.03 ± 0.22 5.04 ± 0.20 5.03 ± 0.26 −1.040, 0.002 −1.034, 0.071 −1.031, 0.99 −1.034, 0.99
40. CYB5A 4.73 ± 0.20 4.73 ± 0.18 4.61 ± 0.23 4.70 ± 0.19 4.53 ± 0.26 −1.000, 0.99 −1.026, 0.235 −1.006, 0.99 −1.043, 0.99
41. PIEZO2 7.34 ± 0.84 6.49 ± 0.87 5.71 ± 0.64 5.71 ± 0.79 5.71 ± 0.54 −1.132, 0.001 −1.137, 0.008 −1.136, 0.291 −1.135, 0.255
42. SLITRK6 8.05 ± 0.59 6.89 ± 0.84 6.01 ± 0.99 6.10 ± 1.31 5.93 ± 0.67 −1.169, 0.001 −1.146, 0.015 −1.129, 0.249 −1.161, 0.043
43. KCNA1 6.95 ± 1.04 5.79 ± 0.96 5.19 ± 0.72 5.27 ± 0.96 5.11 ± 0.47 −1.200, 0.001 −1.116, 0.031 −1.098, 0.99 −1.133, 0.658
44. LOC100507560 5.90 ± 0.71 5.45 ± 0.62 5.03 ± 0.65 5.01 ± 0.75 5.05 ± 0.63 −1.083, 0.006 −1.083, 0.041 −1.087, 0.99 −1.079, 0.99
Age group Gene Symbol Healthy Non-Smoker (N = 8) Healthy Smoker (N = 9) COPD smoker (N = 11) COPD stage I smoker (N = 4) COPD stage II smoker (N = 7) Fold Regulation, adjusted p-value (HS vs. HNS) Fold Regulation, adjusted p-value (COPD vs. HS) Fold Regulation, adjusted p-value (stage I vs. HS) Fold Regulation, adjusted p-value (stage II vs. HS)
≥50 years old 1. PPP4R4 6.64 ± 0.64 6.05 ± 1.16 5.87 ± 0.63 6.20 ± 0.23 5.70 ± 0.75 −1.098, 0.99 −1.031, 0.191 1.024, 0.99 −1.062, 0.99
2. THSD4 7.29 ± 0.62 7.15 ± 0.33 6.99 ± 0.53 7.48 ± 0.33 6.72 ± 0.42 −1.019, 0.99 −1.023, 0.366 1.046, 0.99 −1.065, 0.663
3. NRG1 3.71 ± 0.18 4.02 ± 0.63 3.72 ± 0.22 3.80 ± 0.15 3.68 ± 0.25 1.084, 0.606 −1.081, 0.315 −1.059, 0.99 −1.095, 0.447
4. SCGB1A1 14.38 ± 0.13 14.38 ± 0.30 14.27 ± 0.13 14.23 ± 0.10 14.28 ± 0.16 1.000, 0.99 −1.008, 0.132 −1.010, 0.99 −1.007, 0.99
5. AHRR 3.79 ± 0.23 5.13 ± 0.74 5.19 ± 0.82 5.15 ± 0.96 5.21 ± 0.81 1.353, 0.012 1.012, 0.92 1.004, 0.99 1.016, 0.99
6. CYP1A1 4.64 ± 0.23 7.88 ± 1.63 7.55 ± 1.46 7.83 ± 1.26 7.40 ± 1.64 1.698, 0.001 −1.044, 0.763 −1.007, 0.99 −1.065, 0.99
7. CYP1B1 3.68 ± 0.43 9.76 ± 1.12 9.28 ± 1.15 9.55 ± 0.47 9.12 ± 1.43 2.650, 0.001 −1.052, 0.546 −1.022, 0.99 −1.069, 0.99
8. PRDM11 5.42 ± 0.18 5.32 ± 0.12 5.35 ± 0.26 5.41 ± 0.27 5.32 ± 0.27 −1.019, 0.99 1.006, 0.841 1.018, 0.99 −1.000, 0.99
9. CBR3 7.06 ± 0.44 8.60 ± 0.54 8.15 ± 0.63 8.17 ± 0.47 8.14 ± 0.74 1.218, 0.001 −1.055, 0.159 −1.052, 0.99 −1.056, 0.99
≥50 years old 10. AKR1C1 6.20 ± 0.40 8.75 ± 0.90 7.97 ± 1.15 8.28 ± 1.14 7.80 ± 1.21 1.412, 0.001 −1.098, 0.159 −1.057, 0.99 −1.121, 0.596
11. AKR1C3 10.24 ± 0.28 12.18 ± 0.59 11.79 ± 0.63 11.92 ± 0.42 11.72 ± 0.75 1.190, 0.001 −1.033, 0.269 −1.022, 0.99 −1.040, 0.911
12. HTR2B 3.85 ± 0.21 4.17 ± 0.22 4.22 ± 0.28 4.05 ± 0.18 4.32 ± 0.28 1.083, 0.142 1.012, 0.99 −1.028, 0.99 1.036, 0.99
13. GRM1 3.75 ± 0.15 4.37 ± 0.54 3.98 ± 0.17 3.99 ± 0.17 3.97 ± 0.19 1.164, 0.008 −1.098, 0.056 −1.095, 0.328 −1.099, 0.141
14. CYP4Z1 6.58 ± 0.45 6.02 ± 0.45 5.95 ± 0.42 5.92 ± 0.53 5.96 ± 0.38 −1.094, 0.20 −1.012, 0.688 −1.017, 0.99 −1.009, 0.99
15. UCHL1 5.18 ± 0.35 9.51 ± 1.42 8.56 ± 1.54 8.03 ± 1.04 8.89 ± 1.74 1.836, 0.001 −1.111, 0.269 −1.185, 0.467 −1.070, 0.99
16. CABYR 4.89 ± 0.32 7.69 ± 1.35 7.13 ± 0.99 7.36 ± 0.83 7.00 ± 1.11 1.575, 0.001 −1.079, 0.228 −1.045, 0.99 −1.099, 0.99
17. GPRC5A 7.60 ± 0.45 7.60 ± 0.20 7.88 ± 0.61 7.79 ± 0.84 7.93 ± 0.50 1.000, 0.99 1.037, 0.108 1.024, 0.99 1.042, 0.99
18. CCDC37 9.33 ± 0.52 9.48 ± 0.36 9.02 ± 0.50 9.00 ± 0.86 9.04 ± 0.22 1.016, 0.99 −1.051, 0.044 −1.054, 0.982 −1.049, 0.701
19. GLI3 7.39 ± 0.36 6.91 ± 0.25 6.73 ± 0.25 6.81 ± 0.39 6.68 ± 0.15 −1.069, 0.044 −1.027, 0.269 −1.015, 0.99 −1.034, 0.99
20. ABCC3 6.92 ± 0.59 7.66 ± 0.52 7.31 ± 0.75 7.16 ± 0.48 7.40 ± 0.89 1.106, 0.379 −1.048, 0.315 −1.070, 0.99 −1.034, 0.99
21. SAMD5 3.77 ± 0.15 4.08 ± 0.33 3.75 ± 0.24 3.85 ± 0.28 3.70 ± 0.22 1.082, 0.183 −1.088, 0.044 −1.059, 0.953 −1.104, 0.06
22. RASSF10 7.48 ± 0.40 6.90 ± 0.79 6.81 ± 0.46 6.97 ± 0.17 6.72 ± 0.56 −1.083, 0.534 −1.013, 0.366 1.010, 0.99 −1.027, 0.99
23. USP27X 7.32 ± 0.36 6.88 ± 0.39 6.77 ± 0.27 6.67 ± 0.19 6.82 ± 0.31 −1.064, 0.168 −1.016, 0.482 −1.031, 0.99 −1.008, 0.99
24. NR0B1 3.84 ± 0.18 4.68 ± 0.72 4.43 ± 0.52 4.35 ± 0.47 4.48 ± 0.57 1.217, 0.041 −1.056, 0.421 −1.076, 0.99 −1.044, 0.99
25. PLAG1 5.35 ± 0.50 5.23 ± 0.41 4.88 ± 0.53 4.98 ± 0.50 4.82 ± 0.58 −1.023, 0.99 −1.072, 0.159 −1.050, 0.99 −1.085, 0.99
26. SCGB3A1 13.96 ± 0.39 13.88 ± 0.75 12.87 ± 0.79 13.10 ± 1.20 12.73 ± 0.49 −1.006, 0.99 −1.078, 0.044 −1.059, 0.642 −1.090, 0.042
27. LHX6 5.55 ± 0.26 5.89 ± 0.46 6.01 ± 0.46 5.91 ± 0.33 6.07 ± 0.53 1.062, 0.863 1.020, 0.269 1.003, 0.99 1.030, 0.99
28. LINC00942 3.64 ± 0.20 4.02 ± 0.93 3.83 ± 0.44 3.77 ± 0.27 3.86 ± 0.53 1.105, 0.987 −1.050, 0.841 −1.066, 0.99 −1.042, 0.99
29. REEP1 8.96 ± 0.75 10.11 ± 0.61 9.43 ± 0.78 8.77 ± 0.41 9.84 ± 0.66 1.129, 0.028 −1.072, 0.088 −1.153, 0.024 −1.028, 0.99
30. C6orf164 5.27 ± 0.44 6.38 ± 0.51 6.33 ± 0.68 6.18 ± 0.35 6.42 ± 0.82 1.212, 0.016 −1.008, 0.841 −1.033, 0.99 1.006, 0.99
31. LINC00589 5.14 ± 0.20 5.42 ± 0.33 5.47 ± 0.32 5.35 ± 0.20 5.55 ± 0.36 1.053, 0.609 1.009, 0.763 −1.012, 0.99 1.024, 0.99
32. JAKMIP3 4.55 ± 0.17 5.52 ± 0.60 5.26 ± 0.63 5.16 ± 0.78 5.31 ± 0.58 1.214, 0.022 −1.049, 0.482 −1.069, 0.99 −1.039, 0.99
33. LINC00930 5.98 ± 0.79 7.01 ± 0.41 6.34 ± 0.59 6.16 ± 0.76 6.44 ± 0.52 1.172, 0.061 −1.106, 0.044 −1.137, 0.348 −1.088, 0.767
34. DNHD1 6.42 ± 0.27 7.07 ± 0.51 6.94 ± 0.61 6.77 ± 0.80 7.04 ± 0.53 1.100, 0.202 −1.019, 0.92 −1.045, 0.99 −1.004, 0.99
35. TMCC3 4.03 ± 0.80 4.02 ± 0.55 4.43 ± 0.35 4.42 ± 0.23 4.44 ± 0.42 −1.002, 0.99 1.102, 0.035 1.098, 0.99 1.105, 0.99
36. ADH7 7.63 ± 0.89 11.08 ± 0.44 10.54 ± 0.63 10.48 ± 0.29 10.58 ± 0.78 1.453, 0.001 −1.051, 0.044 −1.058, 0.99 −1.048, 0.99
37. PRKAR2B 7.38 ± 0.42 6.38 ± 0.55 5.97 ± 0.67 5.96 ± 0.93 5.97 ± 0.55 −1.158, 0.04 −1.069, 0.228 −1.070, 0.99 −1.068, 0.99
38. GAD1 5.22 ± 0.87 6.89 ± 1.08 7.09 ± 0.86 6.85 ± 1.32 7.23 ± 0.57 1.321, 0.025 1.029, 0.688 −1.007, 0.99 1.049, 0.99
39. LOC338667 5.32 ± 0.20 5.14 ± 0.22 5.05 ± 0.29 5.02 ± 0.17 5.06 ± 0.35 −1.035, 0.99 −1.018, 0.315 −1.024, 0.99 −1.015, 0.99
40. CYB5A 4.70 ± 0.17 4.58 ± 0.18 4.45 ± 0.23 4.53 ± 0.27 4.41 ± 0.21 −1.026, 0.99 −1.029, 0.228 −1.012, 0.99 −1.040, 0.81
41. PIEZO2 6.64 ± 0.77 6.52 ± 0.33 6.05 ± 0.61 5.86 ± 0.74 6.16 ± 0.57 −1.019, 0.99 −1.078, 0.159 −1.111, 0.81 −1.058, 0.99
42. SLITRK6 7.50 ± 0.62 6.67 ± 0.96 6.46 ± 0.51 6.60 ± 0.69 6.38 ± 0.42 −1.125, 0.298 −1.033, 0.482 −1.010, 0.99 −1.046, 0.99
43. KCNA1 6.40 ± 1.00 5.83 ± 0.82 5.20 ± 0.85 5.79 ± 0.86 4.89 ± 0.69 −1.098, 0.99 −1.121, 0.159 −1.007, 0.99 −1.193, 0.356
44. LOC100507560 5.59 ± 0.52 5.20 ± 0.52 4.82 ± 0.22 4.81 ± 0.18 4.83 ± 0.25 −1.075, 0.638 −1.079, 0.088 −1.081, 0.85 −1.077, 0.655

The Adj. P is based on the marginally adjusted 𝑝 values by the Benjamini-Hochberg-FDR correction at α = 0.05; Median ± Interquartile range.