在BioDeep NovoCell知识数据库中,参考离子总共被划分为4个级别。
  • Confirmed: 这个参考离子已经通过手动审计得到确认和验证。
  • Reliable: 这个参考离子可能在特定的解剖组织环境中高度保守。
  • Unreliable: 这个参考离子具有较高的排名价值,但缺乏可重复性。
  • Unavailable: 由于排名价值低且缺乏可重复性,这个参考离子不应用于注释。

Found 5 Reference Ions Near m/z 832.6305
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000043679 Reliable 832.6237 832.6231 ~ 832.6239
MzDiff: 3.4 ppm
PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z)) (BioDeep_00000107731)
Formula: C49H85O8P (832.5982)
4.42 (100%) Homo sapiens
[UBERON:0001043] esophagus
MSI_000065277 Reliable 832.6215 832.6214 ~ 832.6216
MzDiff: 0.9 ppm
PS(15:0/24:1(15Z)) (BioDeep_00000104703)
Formula: C45H86NO10P (831.5989)
4.06 (67%) Homo sapiens
[UBERON:0001155] colon
MSI_000047423 Unreliable 832.6255 832.6255 ~ 832.6255
MzDiff: none
PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z)) (BioDeep_00000107731)
Formula: C49H85O8P (832.5982)
2.3 (100%) Homo sapiens
[UBERON:0013067] colorectal mucosa
MSI_000052517 Unreliable 832.6292 832.6292 ~ 832.6292
MzDiff: none
Not Annotated 1.85 (0%) Homo sapiens
[UBERON:0001052] rectum
MSI_000057923 Unreliable 832.6231 832.6231 ~ 832.6231
MzDiff: none
PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z)) (BioDeep_00000107731)
Formula: C49H85O8P (832.5982)
1.09 (100%) Homo sapiens
[UBERON:0007779] transudate

Found 5 Sample Hits
Metabolite Species Sample
PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z))

Formula: C49H85O8P (832.5982)
Adducts: [M-H2O+NH4]+ (Ppm: 16.3)
Mus musculus (Lung)
image1
Resolution: 40μm, 187x165

Description

Fig. 2 MALDI-MSI data from the same mouse lung tissue analyzed in Fig. 1. A: Optical image of the post-MSI, H&E-stained tissue section. B–D, F–G: Ion images of (B) m/z 796.6855 ([U13C-DPPC+Na]+), (C) m/z 756.5514 ([PC32:0+Na]+), (D) m/z 765.6079 ([D9-PC32:0+Na]+), (F) m/z 754.5359 ([PC32:1+Na]+), and (G) m/z 763.5923 ([D9-PC32:1+Na]+). E, H: Ratio images of (E) [D9-PC32:0+Na]+:[PC32:0+Na]+ and (H) [D9-PC32:1+Na]+:[PC32:1+Na]+. Part-per-million (ppm) mass errors are indicated in parentheses. All images were visualized using total-ion-current normalization and using hotspot removal (high quantile = 99%). DPPC = PC16:0/16:0. U13C-DPPC, universally 13C-labeled dipalmitoyl PC; PC, phosphatidylcholine; MSI, mass spectrometry imaging; H&E, hematoxylin and eosin. Fig 1-3, Fig S1-S3, S5

PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z))

Formula: C49H85O8P (832.5982)
Adducts: [M-H2O+NH4]+ (Ppm: 4.9)
Homo sapiens (colorectal adenocarcinoma)
80TopL, 50TopR, 70BottomL, 60BottomR-profile
Resolution: 17μm, 137x136

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

PA(a-25:0/18:1(12Z)-O(9S,10R))

Formula: C46H87O9P (814.6087)
Adducts: [M+NH4]+ (Ppm: 14.5)
Homo sapiens (colorectal adenocarcinoma)
520TopL, 490TopR, 510BottomL, 500BottomR-profile
Resolution: 17μm, 147x131

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

m/z_832.6292

Formula: - (n/a)
Adducts: (Ppm: 0)
Homo sapiens (colorectal adenocarcinoma)
439TopL, 409TopR, 429BottomL, 419BottomR-profile
Resolution: 17μm, 157x136

Description

The human colorectal adenocarcinoma sample was excised during a surgical operation performed at the Imperial College Healthcare NHS Trust. The sample and procedures were carried out in accordance with ethical approval (14/EE/0024).

PA(22:5(4Z,7Z,10Z,13Z,16Z)/24:1(15Z))

Formula: C49H85O8P (832.5982)
Adducts: [M-H2O+NH4]+ (Ppm: 2.2)
Homo sapiens (esophagus)
LNTO30_7_1
Resolution: 75μm, 69x68

Description