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 8 Reference Ions Near m/z 500.3009
NovoCell ID m/z Mass Window Metabolite Ranking Anatomy Context
MSI_000061837 Reliable 500.3105 500.3105 ~ 500.3105
MzDiff: 0.1 ppm
LysoPC(18:3(6Z,9Z,12Z)/0:0) (BioDeep_00000019144)
Formula: C26H48NO7P (517.3168)
4.56 (100%) Mus musculus
[UBERON:0000956] cerebral cortex
MSI_000026396 Unreliable 500.3107 500.3103 ~ 500.311
MzDiff: 2.9 ppm
Taurochenodesoxycholic acid (BioDeep_00000000172)
Formula: C26H45NO6S (499.2967)
4.43 (67%) Mus musculus
[UBERON:0002048] lung
MSI_000002953 Unavailable 500.3009 500.3009 ~ 500.3009
MzDiff: none
Taurochenodesoxycholic acid (BioDeep_00000000172)
Formula: C26H45NO6S (499.2967)
-0.67 (100%) Rattus norvegicus
[UBERON:0001950] neocortex
MSI_000003673 Unavailable 500.3009 500.3009 ~ 500.3009
MzDiff: none
Taurochenodesoxycholic acid (BioDeep_00000000172)
Formula: C26H45NO6S (499.2967)
-0.99 (100%) Rattus norvegicus
[UBERON:0002037] cerebellum
MSI_000004948 Unavailable 500.3009 500.3009 ~ 500.3009
MzDiff: none
Taurochenodesoxycholic acid (BioDeep_00000000172)
Formula: C26H45NO6S (499.2967)
-0.07 (100%) Rattus norvegicus
[UBERON:0002298] brainstem
MSI_000005768 Unavailable 500.3009 500.3009 ~ 500.3009
MzDiff: none
Taurochenodesoxycholic acid (BioDeep_00000000172)
Formula: C26H45NO6S (499.2967)
-0.61 (100%) Rattus norvegicus
[UBERON:0002435] striatum
MSI_000025796 Unreliable 500.3051 500.3051 ~ 500.3051
MzDiff: none
Beloranib (BioDeep_00000176494)
Formula: C29H41NO6 (499.2934)
2.09 (100%) Mus musculus
[UBERON:0000913] interstitial fluid
MSI_000003982 Unreliable 500.3108 500.3108 ~ 500.3108
MzDiff: none
LysoPC(18:3(6Z,9Z,12Z)/0:0) (BioDeep_00000019144)
Formula: C26H48NO7P (517.3168)
1.22 (100%) Homo sapiens
[UBERON:0002107] liver

Found 5 Sample Hits
Metabolite Species Sample
Taurochenodesoxycholic acid

Formula: C26H45NO6S (499.2967)
Adducts: [M+H]+ (Ppm: 5.8)
Rattus norvegicus (Brain)
Spectroswiss - sol_2x_br_2
Resolution: 17μm, 488x193

Description

Beloranib

Formula: C29H41NO6 (499.2934)
Adducts: [M+H]+ (Ppm: 8.9)
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

Taurochenodesoxycholic acid

Formula: C26H45NO6S (499.2967)
Adducts: [M+H]+ (Ppm: 13.6)
Homo sapiens (esophagus)
TO29T
Resolution: 75μm, 56x48

Description

LysoPC(18:3(6Z,9Z,12Z)/0:0)

Formula: C26H48NO7P (517.3168)
Adducts: [M+H-H2O]+ (Ppm: 4.7)
Mus musculus (brain)
Brain01_Bregma-3-88b_centroid
Resolution: 17μm, 265x320

Description

LysoPC(18:3(6Z,9Z,12Z)/0:0)

Formula: C26H48NO7P (517.3168)
Adducts: [M+H-H2O]+ (Ppm: 6.1)
Mus musculus (brain)
Brain02_Bregma1-42_03
Resolution: 17μm, 483x403

Description