Lipidomic analysis of human plasma reveals ether-linked lipids that are elevated in morbidly obese humans compared to lean

Table 3 Oxidized PAPC products from positive mode analysis

Phospholipid	Expected m/z	Best match	P-value	Ave (c)	Ave (pre)	Scores plot location
PAPC	782.7	11.10_782.6904	0.04	0.029	0.11	x = 0.005	y = 0.4
		8.43_782.5644	0.49	289.14	269.649	x = −0.04	y = −0.1
PGPC	610.2	9.53_610.1888	0.052	0.066	0.262	x = 0.01	y = 0.4
		9.40_610.1828	0.055	15.347	26.288	x = 0.1	y = 0.53
POVPC	594.3	No ions detected at this mass
PEIPC	828.6	8.31_828.5536	0.707	3.269	3.06	x = 0	y = 0
		8.32_828.6107	0.661	0.191	0.157	x = 0	y = 0

p-values were calculated using an unpaired t-test comparison of group means for each ion. c = control, pre = obese pre-surgical. Ave (c) and (pre) values are average relative abundance in arbitrary units of each ion for each group. Scores plot locations represent the coordinates of the location of each ion on the positive mode scores plot shown in Figure 3.

ISSN: 1758-5996