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Table 2 Assignment based on m/z measurements of peaks detected in the negative ion mass spectra of lipids from CD4+ T lymphocytes using 9-AA as matrix

From: A lipidomic approach to the study of human CD4+ T lymphocytes in multiple sclerosis

m/z value

Assignment [M-H]

m/z value

Assignment [M-H]

513,400

Matrix

799,767

SM d17:1/24:0 or d18:1/23:0

529,389

Matrix

800,596

PE 41:0 or PS 37:2

573,412

Matrix

802,607

PE 42:6 or PS 38:1

617,430

Matrix

806,584

PE 42:4

618,557

Matrix

808,601

PE 41:4 or PS 38:5

619,371

PA 30:0

826,604

PE 42:2

666,141

Matrix

828,631

PE 42:1

687,632

DG 41:3

836,632

PE 43.4 or PS 40:5

722,603

PE 36:4

850,617

PE 44:4 or PS 42:4

738,599

Sphyngolipid 15:2/22:0

852,631

PE 44:3

742,634

PE 36:2

857,625

PG 42:2

743,696

SM 37:1

859,642

PI 36:2

744,652

PE 36:1

861,640

PG 42:0 or PI 36:2

746,600

PE 36:0

883,642

PI 38:5

750,636

Sphyngolipid 18:2/20:1

885,661

PG 44:2

760,934

PE O-38:0

901,657

PI 40:2

764,619

PE 38:5

909,663

PI 40:6

766,634

Sphyngolipid 18:2/21:0

911,618

PI 40:6

769,716

PA 42:1 or SM 39:0

913,696

PI 40:4

771,732

PA 42:0 or SM 38:1

943,623

PI 42:3

776,849

PE O-40:6 or PS O-36:0

1.448,140

CL 72:8

778,651

PE 40:4

1.470,150

CL 74:11

780,560

PE 41:4

1.472,170

CL 74:10

782,562

PE 41:3

1.494,150

CL 75:6

792,650

PE 40:5

1.496,170

CL 75:5

794,675

Sphingolipid 18:2/23:0

1.498,190

CL 75:4

795,736

PI O-32:0

  

797,754

SM d17/24:1

  
  1. For the identification, mass tolerance was set to ±0.1.
  2. CL cardiolipin, DG diacylglycerol, PA phosphatic acid, PE phosphatidylethanolamine, PS phosphatidylserine, PI phosphatidylinositol, PG phosphatidylglycerol, SM sphingomyelin.