Summary of Study ST003921
This data is available at the NIH Common Fund's National Metabolomics Data Repository (NMDR) website, the Metabolomics Workbench, https://www.metabolomicsworkbench.org, where it has been assigned Project ID PR002454. The data can be accessed directly via it's Project DOI: 10.21228/M8F846 This work is supported by NIH grant, U2C- DK119886.
See: https://www.metabolomicsworkbench.org/about/howtocite.php
This study contains a large results data set and is not available in the mwTab file. It is only available for download via FTP as data file(s) here.
| Study ID | ST003921 |
| Study Title | Metabolic fingerprinting enables rapid, label-free histopathology in gastric cancer diagnosis and prognostic prediction |
| Study Summary | Histopathological evaluation is a cornerstone of cancer identification but often involves time-consuming labeling processes (~days per sample) and experience-dependent interpretation. Herein, we introduce a rapid (~40 minutes per sample) label-free method based on nanoparticle-enhanced LDI metabolic fingerprinting for gastric cancer (GC) assessment. Untargeted metabolomics of 284 paired tissues distinguishes malignant from benign tissues (AUC of 0.979), identifies tumor subtypes (AUC of 0.963), and assesses prognosis (p < 0.05) without specialized pathologists. This approach marks a substantial advancement in histopathological evaluation and shows great potential for large-scale clinical applications. |
| Institute | Fudan University |
| Department | Minhang Hospital |
| Last Name | Teng |
| First Name | Fei |
| Address | 170 Xinsong Road |
| prof_tengfei@fudan.edu.cn | |
| Phone | 18817618785 |
| Submit Date | 2025-05-16 |
| Analysis Type Detail | MS(Dir. Inf.) |
| Release Date | 2025-05-28 |
| Release Version | 1 |
Select appropriate tab below to view additional metadata details:
Project:
| Project ID: | PR002454 |
| Project DOI: | doi: 10.21228/M8F846 |
| Project Title: | Metabolic fingerprinting enables rapid, label-free histopathology in gastric cancer diagnosis and prognostic prediction |
| Project Summary: | Nanoparticle-enhanced-LDI-MS-based metabolic profiling of formalin-fixed-paraffin-embedded tissues identifies diagnostic fingerprints for gastric cancer, correlating with pentose phosphate pathway dysregulation |
| Institute: | Fudan University |
| Department: | Minhang Hospital |
| Last Name: | Teng |
| First Name: | Fei |
| Address: | 170 Xinsong Road |
| Email: | prof_tengfei@fudan.edu.cn |
| Phone: | 18817618785 |
Subject:
| Subject ID: | SU004056 |
| Subject Type: | Human |
| Subject Species: | Homo sapiens |
| Taxonomy ID: | 9606 |
| Gender: | Male and female |
Factors:
Subject type: Human; Subject species: Homo sapiens (Factor headings shown in green)
| mb_sample_id | local_sample_id | Diagnosis | Sample source |
|---|---|---|---|
| SA444017 | ANT_100 | Benign | FFPE tissue |
| SA444018 | ANT_94 | Benign | FFPE tissue |
| SA444019 | ANT_95 | Benign | FFPE tissue |
| SA444020 | ANT_96 | Benign | FFPE tissue |
| SA444021 | ANT_97 | Benign | FFPE tissue |
| SA444022 | ANT_98 | Benign | FFPE tissue |
| SA444023 | ANT_99 | Benign | FFPE tissue |
| SA444024 | ANT_101 | Benign | FFPE tissue |
| SA444025 | ANT_92 | Benign | FFPE tissue |
| SA444026 | ANT_102 | Benign | FFPE tissue |
| SA444027 | ANT_103 | Benign | FFPE tissue |
| SA444028 | ANT_104 | Benign | FFPE tissue |
| SA444029 | ANT_105 | Benign | FFPE tissue |
| SA444030 | ANT_106 | Benign | FFPE tissue |
| SA444031 | ANT_107 | Benign | FFPE tissue |
| SA444032 | ANT_93 | Benign | FFPE tissue |
| SA444033 | ANT_91 | Benign | FFPE tissue |
| SA444034 | ANT_109 | Benign | FFPE tissue |
| SA444035 | ANT_82 | Benign | FFPE tissue |
| SA444036 | ANT_76 | Benign | FFPE tissue |
| SA444037 | ANT_77 | Benign | FFPE tissue |
| SA444038 | ANT_78 | Benign | FFPE tissue |
| SA444039 | ANT_79 | Benign | FFPE tissue |
| SA444040 | ANT_80 | Benign | FFPE tissue |
| SA444041 | ANT_81 | Benign | FFPE tissue |
| SA444042 | ANT_83 | Benign | FFPE tissue |
| SA444043 | ANT_90 | Benign | FFPE tissue |
| SA444044 | ANT_84 | Benign | FFPE tissue |
| SA444045 | ANT_85 | Benign | FFPE tissue |
| SA444046 | ANT_86 | Benign | FFPE tissue |
| SA444047 | ANT_87 | Benign | FFPE tissue |
| SA444048 | ANT_88 | Benign | FFPE tissue |
| SA444049 | ANT_89 | Benign | FFPE tissue |
| SA444050 | ANT_108 | Benign | FFPE tissue |
| SA444051 | ANT_110 | Benign | FFPE tissue |
| SA444052 | ANT_74 | Benign | FFPE tissue |
| SA444053 | ANT_136 | Benign | FFPE tissue |
| SA444054 | ANT_130 | Benign | FFPE tissue |
| SA444055 | ANT_131 | Benign | FFPE tissue |
| SA444056 | ANT_132 | Benign | FFPE tissue |
| SA444057 | ANT_133 | Benign | FFPE tissue |
| SA444058 | ANT_134 | Benign | FFPE tissue |
| SA444059 | ANT_135 | Benign | FFPE tissue |
| SA444060 | ANT_137 | Benign | FFPE tissue |
| SA444061 | ANT_128 | Benign | FFPE tissue |
| SA444062 | ANT_138 | Benign | FFPE tissue |
| SA444063 | ANT_139 | Benign | FFPE tissue |
| SA444064 | ANT_140 | Benign | FFPE tissue |
| SA444065 | ANT_141 | Benign | FFPE tissue |
| SA444066 | ANT_142 | Benign | FFPE tissue |
| SA444067 | ANT_2 | Benign | FFPE tissue |
| SA444068 | ANT_129 | Benign | FFPE tissue |
| SA444069 | ANT_127 | Benign | FFPE tissue |
| SA444070 | ANT_111 | Benign | FFPE tissue |
| SA444071 | ANT_118 | Benign | FFPE tissue |
| SA444072 | ANT_112 | Benign | FFPE tissue |
| SA444073 | ANT_113 | Benign | FFPE tissue |
| SA444074 | ANT_114 | Benign | FFPE tissue |
| SA444075 | ANT_115 | Benign | FFPE tissue |
| SA444076 | ANT_116 | Benign | FFPE tissue |
| SA444077 | ANT_117 | Benign | FFPE tissue |
| SA444078 | ANT_119 | Benign | FFPE tissue |
| SA444079 | ANT_126 | Benign | FFPE tissue |
| SA444080 | ANT_120 | Benign | FFPE tissue |
| SA444081 | ANT_121 | Benign | FFPE tissue |
| SA444082 | ANT_122 | Benign | FFPE tissue |
| SA444083 | ANT_123 | Benign | FFPE tissue |
| SA444084 | ANT_124 | Benign | FFPE tissue |
| SA444085 | ANT_125 | Benign | FFPE tissue |
| SA444086 | ANT_75 | Benign | FFPE tissue |
| SA444087 | ANT_1 | Benign | FFPE tissue |
| SA444088 | ANT_73 | Benign | FFPE tissue |
| SA444089 | ANT_27 | Benign | FFPE tissue |
| SA444090 | ANT_21 | Benign | FFPE tissue |
| SA444091 | ANT_22 | Benign | FFPE tissue |
| SA444092 | ANT_23 | Benign | FFPE tissue |
| SA444093 | ANT_24 | Benign | FFPE tissue |
| SA444094 | ANT_25 | Benign | FFPE tissue |
| SA444095 | ANT_26 | Benign | FFPE tissue |
| SA444096 | ANT_28 | Benign | FFPE tissue |
| SA444097 | ANT_19 | Benign | FFPE tissue |
| SA444098 | ANT_29 | Benign | FFPE tissue |
| SA444099 | ANT_30 | Benign | FFPE tissue |
| SA444100 | ANT_31 | Benign | FFPE tissue |
| SA444101 | ANT_32 | Benign | FFPE tissue |
| SA444102 | ANT_33 | Benign | FFPE tissue |
| SA444103 | ANT_34 | Benign | FFPE tissue |
| SA444104 | ANT_20 | Benign | FFPE tissue |
| SA444105 | ANT_18 | Benign | FFPE tissue |
| SA444106 | ANT_36 | Benign | FFPE tissue |
| SA444107 | ANT_9 | Benign | FFPE tissue |
| SA444108 | ANT_72 | Benign | FFPE tissue |
| SA444109 | ANT_4 | Benign | FFPE tissue |
| SA444110 | ANT_5 | Benign | FFPE tissue |
| SA444111 | ANT_6 | Benign | FFPE tissue |
| SA444112 | ANT_7 | Benign | FFPE tissue |
| SA444113 | ANT_8 | Benign | FFPE tissue |
| SA444114 | ANT_10 | Benign | FFPE tissue |
| SA444115 | ANT_17 | Benign | FFPE tissue |
| SA444116 | ANT_11 | Benign | FFPE tissue |
Collection:
| Collection ID: | CO004049 |
| Collection Summary: | Formalin-fixed paraffin-embedded (FFPE) gastric cancer tissues and paired adjacent normal (benign) tissues (>2 cm from tumor margins) were collected under standardized surgical protocols. Tissue cores (1 mm diameter, 20 μm thickness) were microdissected using a tissue microarray platform, validated by histopathological review to ensure purity. |
| Sample Type: | gastric cancer tissue |
Treatment:
| Treatment ID: | TR004065 |
| Treatment Summary: | None |
Sample Preparation:
| Sampleprep ID: | SP004062 |
| Sampleprep Summary: | (1)Tissue samples were dissolved in 80% methanol to release metabolites. (2) Samples were heated at 70°C for 20 minutes to remove paraffin wax, a step that can be performed in batches to enhance throughput. (3) Samples were placed in an ice bath for 10 minutes to solidify the wax. (4) Centrifugation was performed at 10,000 rpm for 10 minutes at 4°C to separate the wax. (5) The supernatant containing the extracted metabolites was carefully collected. (6) The supernatant was mixed with a matrix and spotted onto an LDI plate. (7) The plate was inserted into the mass spectrometer for metabolic fingerprint acquisition. |
Chromatography:
| Chromatography ID: | CH004886 |
| Instrument Name: | none |
| Column Name: | none |
| Column Temperature: | none |
| Flow Gradient: | none |
| Flow Rate: | none |
| Solvent A: | none |
| Solvent B: | none |
| Chromatography Type: | None (Direct infusion) |
Analysis:
| Analysis ID: | AN006438 |
| Analysis Type: | MS |
| Chromatography ID: | CH004886 |
| Has Mz: | 1 |
| Rt Units: | No RT data |
| Results File: | ST003921_AN006438_Results.txt |
| Units: | Peak intensity |