Table 3.
Results from Table 2 were culled to demonstrate discordant regional expression (presence or absence) of specific lipid ions.
| Mass | Identification | BA4+ Only | BA8/9+ Only |
|---|---|---|---|
| Sphingolipids | |||
| 877.67 | ST(40:2)(OH)- C13 Isotope | YES | |
| 860.20 | ST(40:2) | YES | |
| 874.16 | ST(41:2) | YES | |
| 886.69 | ST(42:3) | YES | |
| 915.66 | LacCer(d38:2)- C13 Isotope | YES | |
| 1063.63 | Glycosphingolipid (GalNAcβ1-4Galβ1-4Glcβ-Cer(d18:1/16:0)) | YES | |
| Phospholipids | |||
| 633.85 | PA(31:0) | YES | |
| 706.42 | PE(34:6) | YES | |
| 689.78 | PG(30:2) | YES | |
| 731.96 | PG(33:2) | YES | |
| 817.25 | PI(33:3) | YES | |
| 863.01 | PI(36:1) | YES | |
| 883.74 | PI(38:5) | YES | |
| 875.09 | PI(38:9) | YES | |
| 843.21 | PI(O-36:4) | YES | |
| 937.90 | PS(48:12)- C13 Isotope | YES | |
| 699.38 | PA(36:2) | YES | |
| 731.57 | PA(39:7) | YES | |
| 696.36 | PE(33:4) | YES | |
| 718.13 | PE(34:0) | YES | |
| 736.98 | PE(36:5) | YES | |
| 879.04 | PG(44:5) | YES | |
| 931.95 | PI(41:2) | YES | |
| 941.87 | PI(42:4) | YES | |
| 951.94 | PI: PIP(37:4) | YES | |
| 900.66 | PS(44:1) | YES | |
| Other | |||
| 1056.16 | CDP-DG(40:4) | YES | |
| 950.91 | Not Identified | YES | |
| 952.95 | Not Identified | YES | |
| 1068.11 | Not Identified | YES | |
| 1079.12 | Not Identified | YES | |
| 1092.68 | Not Identified | YES | |
| 1100.61 | Not Identified | YES | |
| 1107.65 | Not Identified | YES |
ST = sulfatide; PA = phosphatidic acid; PE = phosphatidylethanolamine; PG = phosphatidylglycerol; PI = phosphatidylinositol; PS = phosphatidylserine; not identified = not yet listed in lipid databases or literature.