Skip to main content
. 2021 Sep 17;8:723813. doi: 10.3389/fnut.2021.723813

Table 3.

Baseline plasma phosphatidylcholine fatty acids (% of total fatty acids; %tFA) and oxylipin concentrations (nM) in APOE3 and APOE4 individuals.

Fatty acids and oxylipins APOE3 (n = 66) APOE4 (n = 26) Total (n = 92) PAPOE Pparent PUFA PAPOE*parent PUFA
EPA (%tFA) 1.11 ± 0.06 1.19 ± 0.10 1.10 ± 0.05 0.22
Hydroxy-EPA 5-HEPE 0.36 ± 0.02 0.34 ± 0.03 0.35 ± 0.02 0.84 0.02* 0.62
8-HEPE 0.08 ± 0.00 0.08 ± 0.01 0.08 ± 0.00 0.59 0.01* 0.66
9-HEPE 0.23 ± 0.01 0.23 ± 0.02 0.23 ± 0.01 0.67 0.01* 0.72
11-HEPE 0.11 ± 0.01 0.10 ± 0.01 0.11 ± 0.01 0.36 0.17 0.26
12-HEPE 0.30 ± 0.03 0.30 ± 0.04 0.30 ± 0.02 0.28 0.58 0.21
15-HEPE 0.14 ± 0.01 0.15 ± 0.02 0.14 ± 0.00 0.83 0.96 0.97
18-HEPE 0.19 ± 0.01 0.21 ± 0.02 0.19 ± 0.01 0.51 0.06 0.78
19-HEPE 1.02 ± 0.06 0.98 ± 0.10 1.00 ± 0.05 0.87 0.10 0.71
20-HEPE 0.61 ± 0.04 0.68 ± 0.08 0.62 ± 0.03 0.39 0.33 0.62
sum 3.01 ± 0.16 3.01 ± 0.25 3.01 ± 0.20 0.57 0.11 0.53
Dihydroxy-EPA 8,9-DiHETE 0.09 ± 0.01 0.08 ± 0.01 0.09 ± 0.00 0.93 0.04* 0.77
11,12-DiHETE 0.06 ± 0.00 0.05 ± 0.00 0.06 ± 0.00 0.66 0.02* 0.91
14,15-DiHETE 0.10 ± 0.00 0.09 ± 0.01 0.10 ± 0.01 0.77 0.05 0.57
17,18-DiHETE 0.66 ± 0.03 0.62 ± 0.04 0.67 ± 0.03 0.61 0.08 0.38
sum 0.90 ± 0.05 0.85 ± 0.05 0.87 ± 0.05 0.81 0.03* 0.54
Epoxy-EPA 11 (12)-EpETE <0.05 <0.05 <0.05
14 (15)-EpETE 0.07 ± 0.01 0.07 ± 0.01 0.07 ± 0.01 0.86 0.12 0.77
17 (18)-EpETE <0.1 <0.1 <0.1
DHA (%tFA) Hydroxy-DHA 3.67 ± 0.12 3.73 ± 0.25 3.69 ± 0.11 0.86
4-HDHA 0.45 ± 0.03 0.41 ± 0.03 0.50 ± 0.05 0.41 0.95 0.55
8-HDHA 0.51 ± 0.03 0.48 ± 0.05 0.50 ± 0.02 0.19 0.22 0.22
10-HDHA 0.12 ± 0.01 0.12 ± 0.01 0.12 ± 0.00 0.12 0.30 0.12
11-HDHA 0.23 ± 0.01 0.20 ± 0.02 0.22 ± 0.01 0.04* 0.96 0.08
13-HDHA 0.11 ± 0.01 0.10 ± 0.01 0.10 ± 0.00 0.28 0.17 0.36
14-HDHA 1.30 ± 0.12 1.08 ± 0.16 1.29 ± 0.11 0.28 0.16 0.40
16-HDHA 0.17 ± 0.01 0.16 ± 0.01 0.17 ± 0.01 0.57 0.28 0.64
17-HDHA 0.94 ± 0.05 0.99 ± 0.12 0.98 ± 0.05 0.30 0.51 0.20
20-HDHA 0.44 ± 0.02 0.43 ± 0.03 0.43 ± 0.02 0.42 0.29 0.40
21-HDHA 3.28 ± 0.16 3.12 ± 0.30 3.23 ± 0.14 0.35 0.09 0.39
22-HDHA 2.72 ± 0.16 2.54 ± 0.22 2.75 ± 0.14 0.43 0.66 0.32
sum 10.43 ± 0.47 10.32 ± 0.82 10.38 ± 0.6 0.16 0.18 0.16
Dihydroxy-DHA 4,5-DiHDPE 1.42 ± 0.07 1.24 ± 0.11 1.37 ± 0.06 0.42 0.99 0.65
10,11-DiHDPE 0.23 ± 0.01 0.21 ± 0.02 0.23 ± 0.01 0.32 0.33 0.44
13,14-DiHDPE 0.25 ± 0.01 0.23 ± 0.01 0.26 ± 0.02 0.38 0.14 0.63
16,17-DiHDPE 0.32 ± 0.01 0.29 ± 0.02 0.33 ± 0.02 0.44 0.11 0.67
19,20-DiHDPE 3.16 ± 0.13 2.76 ± 0.17 3.18 ± 0.15 0.31 0.05 0.62
sum 5.48 ± 0.22 5.41 ± 0.57 5.39 ± 0.35 0.43 0.19 0.75
Epoxy-DHA 10 (11)-EpDPE 0.31 ± 0.02 0.28 ±0.03 0.3 ± 0.01 0.25 0.09 0.31
13 (14)-EpDPE 0.25 ± 0.01 0.24 ± 0.03 0.25 ± 0.01 0.34 0.03* 0.36
16 (17)-EpDPE 0.27 ± 0.01 0.26 ± 0.02 0.26 ± 0.01 0.77 0.05 0.87
19 (20)-EpDPE 0.48 ± 0.02 0.45 ± 0.04 0.47 ± 0.02 0.25 0.02* 0.31
sum 1.30 ± 0.06 1.30 ± 0.13 1.3 ± 0.10 0.33 0.03* 0.39
ARA (%tFA) 9.06 ± 0.23 9.5 ± 0.40 9.19 ± 0.2 0.34
Hydroxy-ARA 5-HETE 1.35 ± 0.07 1.30 ± 0.09 1.41 ± 0.09 0.91 0.57 0.98
8-HETE 0.31 ± 0.01 0.31 ± 0.02 0.31 ± 0.01 0.5 0.16 0.41
11-HETE 0.27 ± 0.01 0.27 ± 0.02 0.27 ± 0.01 0.53 0.41 0.52
12-HETE 2.05 ± 0.17 2.26 ± 0.37 2.55 ± 0.29 0.52 0.72 0.59
15-HETE 1.00 ± 0.04 1.03 ± 0.06 1.01 ± 0.03 0.9 0.8 0.85
20-HETE 0.93 ± 0.05 0.92 ± 0.07 0.93 ± 0.04 0.04* 0.74 0.04*
sum 6.21 ± 0.12 6.55 ± 0.09 6.39 ± 0.10 0.41 0.88 0.46
Dihydroxy-ARA 5,6-DiHETrE 0.37 ± 0.04 0.27 ± 0.02 0.34 ± 0.03 0.51 0.82 0.31
8,9-DiHETrE 0.25 ± 0.01 0.21 ± 0.01 0.24 ± 0.01 0.42 0.20 0.22
11,12-DiHETrE 0.57 ± 0.02 0.61 ± 0.07 0.58 ± 0.02 0.82 0.19 0.95
14,15-DiHETrE 0.65 ± 0.02 0.70 ± 0.07 0.66 ± 0.02 0.62 0.19 0.76
sum 1.84 ± 0.05 1.68 ± 0.06 1.78 ± 0.06 0.46 0.36 0.32
Epoxy-ARA 5 (6)-EpETrE 0.9 ± 0.05 0.8 ± 0.09 0.87 ± 0.04 0.94 0.49 0.90
8 (9)-EpETrE 0.19 ± 0.01 0.18 ± 0.02 0.19 ± 0.01 0.89 0.19 0.77
11 (12)-EpETrE 0.20 ± 0.01 0.19 ± 0.01 0.20 ± 0.01 0.56 0.29 0.47
14 (15)-EpETrE 0.46 ± 0.02 0.42 ± 0.03 0.45 ± 0.02 0.63 0.29 0.46
sum 1.75 ± 0.22 1.69 ± 0.57 1.73 ± 0.37 0.57 0.50 0.94

Mean ± SEM(n) individual and sum of hydroxy-, dihydroxy- and epoxy-EPAs, -DHAs and -ARAs. P values are shown for genotype, parent PUFA and genotype*parent PUFA interaction using a univariate GLM. Age, gender, and BMI were used as covariates.

*

Statistically significant, P < 0.05.