Research Article

Paraoxonase1 Genetic Polymorphisms in a Mixed Ancestry African Population

Table 3

Associations of genotypes with PON1 and oxidative stress markers.

CharacteristicsPON1 rs662PON1 rs854560Overall
QQ192Q192R192RR value55MM L55MLL55 value

53 (14.3)191 (51.6)126 (34.1)246 (66.5)114 (30.8)10 (2.7)370
Men, (%)12 (22.6)49 (25.7)33 (26.2)0.87866 (26.8)27 (23.7)1 (10)0.42994
Diabetes, (%)17 (32.1)67 (35.1)28 (22.2)0.04971 (28.9)36 (31.6)5 (50.0)0.338112
Hypertension, (%)31 (58.5)100 (52.4)56 (44.4)0.177124 (50.4)56 (49.1)7 (70.0)0.447187
PON1 conc (µg/mL)104 [94–117]101 [78–112]94 [71–111]0.01598 [74–113]98 [81–111]105 [95–112]0.42998 [77–112]
PONase (U/L)130 [93–182]189 [146–222]185 [144–222]<0.0001183 [132–222]185 [132–220]119 [96–160]0.059183 [130–220]
AREase (kU/L)97 [72–119]108 [85–133]108 [84–132]0.346104 [82–132]108 [83–133]125 [120–137]0.252108 [83–132]
FRAP (µM)651 [526–754]702 [541–832]677 [559–831]0.381677 [543–840]677 [547–763]674 [567–755]0.827677 [545–817]
TEAC (nM)1206 [837–1442]1298 [946–1632]1338 [971–1644]0.0531299 [934–1645]1268 [945–1581]1303 [1237–1330]0.7741289 [941–1626]
Ox-LDL (ng/mL)3791 [2227–6155]4695 [3361–6009]4142 [2972–5298]0.0294281 [3184–5622]4602 [3049–5842]2682 [1463–6314]0.5014284 [3082–5719]
TBARS (nM)1840 [942–3042]2424 [1844–3148]2223 [1598–2978]0.0062298 [1640–3128]2282 [1625–3042]1114 [950–2822]0.2212282 [1622–3116]

PON1: Paraoxonase 1; PONase: paraoxonase activity; AREase: arylesterase activity; FRAP: ferric reducing ability of plasma; TEAC: Trolox equivalent antioxidant capacity; Ox-LDL: oxidized LDL; TBARS: thiobarbituric acid reactive substances.