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. Author manuscript; available in PMC: 2014 Apr 5.
Published in final edited form as: Mol Biosyst. 2013 Feb 13;9(4):723–731. doi: 10.1039/c3mb25454b

Table 2. Putative biomarkers of radiation injury of GI tissue of CD2F1 mice at day 1.

The features that were significantly altered in the irradiated GI tissue (4 & 8 Gy) at day 1 are listed. These metabolites were unambiguously identified using tandem mass spectrometry.

S. No Metabolites Kegg/PubChem/Lipid ID ESI Mode m/z* RT* *Fold Change
Major CID fragments
4 Gy 8 Gy
P-value P-value
1 Cys-Gly C01419 POS 179.049 0.3636 ↓(0.01) ↓(0.03) 76.0229, 116.0172, 119.0599
2 Glutamic acid C00025 POS 148.061 0.3308 ↓(0.03) ↓(0.02) 84.0453, 102.0559
3 D-Tryptophan C00525 NEG 203.082 1.4182 ↑(0.02) ↑(0.01) 116.0503, 74.0260, 142.0665
4 Methionine C01733 POS 150.059 0.3822 ↓(0.04) ↑(0.02) 133.0332, 104.0550
5 PE(16:0/0:0) LMGP02050002 NEG 452.285 1.2883 ↑(0.05) ↓(0.04) 140.0131, 196.0404
6 PS(16:0/0:0) LMGP03050002 NEG 496.275 1.0176 ↓(0.05) ↓(0.03) 255.2361, 409.2421, 496.2751
7 PE(20:1/0:0) LMGP02050020 NEG 506.334 1.3263 ↑(0.05) ↓(0.06) 140.0131, 196.0404
8 PC(16:0/2:0) LMGP01010612 POS 538.387 2.2977 ↓(0.04) ↓(0.05) 104.1063, 184.0734
9 PC(8:2/8:2) LMGP01011254 POS 502.315 0.6916 ↓(0.03) ↓(0.02) 184.0736