Table 4.
Characterization of ions abundant in invasive breast cancer and normal adipose
| Abundant in | m/z (bin) | m/z (measured) | m/z (theoretical) | m/z (error, ppm) | Putative ID | Ion |
|---|---|---|---|---|---|---|
| Cancer | 279.25 | 279.234 | 279.2329 | 3.9 | FA(18:2) | [M−H]− |
| Normal | 281.25 | 281.248 | 281.2486 | 2.1 | FA(18:1) | [M−H]− |
| Cancer | 303.25 | 303.233 | 303.2329 | 0.3 | FA(20:4) | [M−H]− |
| Normal | 629.45 | 629.488 | 629.4917 | 5.9 | DG(18:1/16:0) | [M+Cl]− |
| Cancer | 744.55 | 744.555 | 744.5549 | 0.1 | PE(18:1/18:0) and PE-NMe2(18:1/16:0) | [M−H]− |
| Normal | 865.75 | 865.710 | 865.7057 | 4.9 | TG(50:2) | [M+Cl]− |
| Normal | 893.75 | 893.733 | 893.7370 | 4.4 | TG(52:2) | [M+Cl]− |
| Normal | 919.75 | 919.748 | 919.7527 | 5.5 | TG(54:3) | [M+Cl]− |
| Normal | 925.75 | 925.725 | 925.7291 | 4.4 | TG(58:10) | [M−H]− |