Summary of Study ST004139
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 PR002604. The data can be accessed directly via it's Project DOI: 10.21228/M8284S This work is supported by NIH grant, U2C- DK119886. See: https://www.metabolomicsworkbench.org/about/howtocite.php
| Study ID | ST004139 |
| Study Title | Metabolic Profiling of Saliva for Determination of Pathogenesis, Diagnosis, and Prognosis in Gestational Diabetes Mellitus in the First and Second Trimester |
| Study Type | Prospective Nested Case–Control Clinical Cohort Study |
| Study Summary | In the study we comprehensively describe the metabolic characteristics of GDM based on metabolomics of second-trimester biofluid samples, including saliva, serum, and urine, and explore the potential for exploration of pathogenesis, early diagnosis, and prognosis prediction. |
| Institute | Zhejiang University |
| Department | Obstetrical Department, Women's Hospital, School of Medicine, Life Sciences Division |
| Laboratory | Zhejiang Key Laboratory of Maternal and Infant Health |
| Last Name | Qi |
| First Name | Wu |
| Address | No. 1, Xueshi Road, Shangcheng District, Hangzhou, Zhejiang Province, China |
| 428102@zju.edu.cn | |
| Phone | +86-13588412286 |
| Submit Date | 2025-08-14 |
| Raw Data Available | Yes |
| Raw Data File Type(s) | mzML |
| Analysis Type Detail | MALDI-MS |
| Release Date | 2025-10-08 |
| Release Version | 1 |
Select appropriate tab below to view additional metadata details:
Project:
| Project ID: | PR002604 |
| Project DOI: | doi: 10.21228/M8284S |
| Project Title: | Metabolic Profiling of Saliva for Determination of Pathogenesis, Diagnosis, and Prognosis in Gestational Diabetes Mellitus in the First and Second Trimester |
| Project Type: | Prospective Nested Case–Control Cilnical Cohort Study |
| Project Summary: | In the study we comprehensively describe the metabolic characteristics of GDM based on metabolomics of second-trimester biofluid samples, including saliva, serum, and urine(this section only includes saliva), and explore the potential for exploration of pathogenesis, early diagnosis, and prognosis prediction. |
| Institute: | Zhejiang University |
| Department: | Obstetrical Department, Women's Hospital, School of Medicine, Life Sciences Division |
| Laboratory: | Zhejiang Key Laboratory of Maternal and Infant Health, Hangzhou, China |
| Last Name: | Qi |
| First Name: | Wu |
| Address: | No. 1, Xueshi Road, Shangcheng District, Hangzhou, Zhejiang Province, China, Hangzhou, Zhejiang/Hangzhou, 310009, China |
| Email: | 428102@zju.edu.cn |
| Phone: | +86-13588412286 |
Subject:
| Subject ID: | SU004289 |
| Subject Type: | Human |
| Subject Species: | Homo sapiens |
| Taxonomy ID: | 9606 |
| Gender: | Female |
Factors:
Subject type: Human; Subject species: Homo sapiens (Factor headings shown in green)
| mb_sample_id | local_sample_id | Group | Sample source |
|---|---|---|---|
| SA477096 | E4YC | GDM | Saliva |
| SA477097 | E4YQ | GDM | Saliva |
| SA477098 | E4YP | GDM | Saliva |
| SA477099 | E4YN | GDM | Saliva |
| SA477100 | E4YM | GDM | Saliva |
| SA477101 | E4YL | GDM | Saliva |
| SA477102 | E4YJ | GDM | Saliva |
| SA477103 | E4YH | GDM | Saliva |
| SA477104 | E4YG | GDM | Saliva |
| SA477105 | E4YF | GDM | Saliva |
| SA477106 | E4YE | GDM | Saliva |
| SA477107 | E4YB | GDM | Saliva |
| SA477108 | E4YS | GDM | Saliva |
| SA477109 | E4YA | GDM | Saliva |
| SA477110 | E4Y9 | GDM | Saliva |
| SA477111 | E4Y8 | GDM | Saliva |
| SA477112 | E4Y7 | GDM | Saliva |
| SA477113 | E4Y5 | GDM | Saliva |
| SA477114 | E4Y4 | GDM | Saliva |
| SA477115 | E4Y3 | GDM | Saliva |
| SA477116 | E4Y2 | GDM | Saliva |
| SA477117 | E4Y1 | GDM | Saliva |
| SA477118 | E4Y0 | GDM | Saliva |
| SA477119 | E4YR | GDM | Saliva |
| SA477120 | E4YT | GDM | Saliva |
| SA477121 | E4XY | GDM | Saliva |
| SA477122 | E4VY_2 | GDM | Saliva |
| SA477123 | Q0DL | GDM | Saliva |
| SA477124 | Q0DQ | GDM | Saliva |
| SA477125 | Q0DX | GDM | Saliva |
| SA477126 | Q0E1 | GDM | Saliva |
| SA477127 | E4WQ_2 | GDM | Saliva |
| SA477128 | E4WN_2 | GDM | Saliva |
| SA477129 | E4WF_2 | GDM | Saliva |
| SA477130 | E4WE_2 | GDM | Saliva |
| SA477131 | E4W1_2 | GDM | Saliva |
| SA477132 | E4VZ_2 | GDM | Saliva |
| SA477133 | Q0E3 | GDM | Saliva |
| SA477134 | E4YU | GDM | Saliva |
| SA477135 | E4VQ_2 | GDM | Saliva |
| SA477136 | E4VN_2 | GDM | Saliva |
| SA477137 | E4VM_2 | GDM | Saliva |
| SA477138 | E4VH | GDM | Saliva |
| SA477139 | E4VG_2 | GDM | Saliva |
| SA477140 | Q0E4 | GDM | Saliva |
| SA477141 | Q0E6 | GDM | Saliva |
| SA477142 | Q0EA | GDM | Saliva |
| SA477143 | E4QA_2 | GDM | Saliva |
| SA477144 | E4YW | GDM | Saliva |
| SA477145 | E4XZ | GDM | Saliva |
| SA477146 | E4XX | GDM | Saliva |
| SA477147 | Q0DA | GDM | Saliva |
| SA477148 | E4W3 | GDM | Saliva |
| SA477149 | E4WH | GDM | Saliva |
| SA477150 | E4WF | GDM | Saliva |
| SA477151 | E4WE | GDM | Saliva |
| SA477152 | E4WC | GDM | Saliva |
| SA477153 | E4WB | GDM | Saliva |
| SA477154 | E4W9 | GDM | Saliva |
| SA477155 | E4W8 | GDM | Saliva |
| SA477156 | E4W6 | GDM | Saliva |
| SA477157 | E4W5 | GDM | Saliva |
| SA477158 | E4W4 | GDM | Saliva |
| SA477159 | E4W2 | GDM | Saliva |
| SA477160 | E4WL | GDM | Saliva |
| SA477161 | E4W1 | GDM | Saliva |
| SA477162 | E4W0 | GDM | Saliva |
| SA477163 | E4VZ | GDM | Saliva |
| SA477164 | E4VY | GDM | Saliva |
| SA477165 | E4VX | GDM | Saliva |
| SA477166 | E4VW | GDM | Saliva |
| SA477167 | E4VT | GDM | Saliva |
| SA477168 | E4VS | GDM | Saliva |
| SA477169 | E4VR | GDM | Saliva |
| SA477170 | E4VQ | GDM | Saliva |
| SA477171 | E4WK | GDM | Saliva |
| SA477172 | E4WM | GDM | Saliva |
| SA477173 | E4XW | GDM | Saliva |
| SA477174 | E4XF | GDM | Saliva |
| SA477175 | E4XU | GDM | Saliva |
| SA477176 | E4XT | GDM | Saliva |
| SA477177 | E4XS | GDM | Saliva |
| SA477178 | E4XR | GDM | Saliva |
| SA477179 | E4XP | GDM | Saliva |
| SA477180 | E4XM | GDM | Saliva |
| SA477181 | E4XL | GDM | Saliva |
| SA477182 | E4XK | GDM | Saliva |
| SA477183 | E4XJ | GDM | Saliva |
| SA477184 | E4XH | GDM | Saliva |
| SA477185 | E4XE | GDM | Saliva |
| SA477186 | E4WN | GDM | Saliva |
| SA477187 | E4XD | GDM | Saliva |
| SA477188 | E4XC | GDM | Saliva |
| SA477189 | E4X2 | GDM | Saliva |
| SA477190 | E4X1 | GDM | Saliva |
| SA477191 | E4WV | GDM | Saliva |
| SA477192 | E4WU | GDM | Saliva |
| SA477193 | E4WT | GDM | Saliva |
| SA477194 | E4WS | GDM | Saliva |
| SA477195 | E4WQ | GDM | Saliva |
Collection:
| Collection ID: | CO004282 |
| Collection Summary: | Biofluid samples were collected on the same day as the OGTT during GW 24–28. Saliva was collected as previously described.1 Briefly, saliva was collected using a specific device and the passive drooling method after an overnight fast. Saliva mixed with gingival bleeding or other conditions were excluded (normal samples should be transparent and clear). All biofluid samples were pretreated and stored at −80°C until analysis. |
| Collection Protocol ID: | SOP-GDM-COL-20250501 |
| Collection Protocol Filename: | Saliva_Metabolites_Samplecollection_V1.1.pdf |
| Sample Type: | Saliva |
| Storage Conditions: | -80℃ |
| Collection Vials: | 2 mL polypropylene cryovials (Sarstedt) for all biofluids. |
| Storage Vials: | Same as collection vials (2 mL cryovials). |
| Collection Tube Temp: | Room temperature (20–25 °C) during collection. |
Treatment:
| Treatment ID: | TR004298 |
| Treatment Summary: | Briefly, saliva was collected using a specific device and the passive drooling method after an overnight fast,All biofluid samples were pretreated and stored at −80°C until analysis. |
Sample Preparation:
| Sampleprep ID: | SP004295 |
| Sampleprep Summary: | An aliquot of 40 μL of acetonitrile/methanol (1:1) solution was first added to 20 μL of saliva sample thawing on ice, and the mixture was shaken at 1,500 rpm for 5 min and centrifuged at 8,045 × g for 10 min. The supernatant was transferred to a fresh centrifuge tube, and 5 μL of ultrapure water was added. Then, 0.8 μL of the mixture was deposited onto the Met-Si Array® chip (WELL Healthcare Technologies) containing arrays of vertical silicon nanowire structures (2,830, 342, 364) for detection. |
| Sampleprep Protocol ID: | SOP-GDM-EXT-20250501 |
| Sampleprep Protocol Filename: | Saliva_Metabolite_Extraction_SOP_V1.1 |
| Processing Method: | In vitro mixing and centrifugation; liquid–liquid extraction; on-chip adsorption |
| Processing Storage Conditions: | On ice |
| Extraction Method: | Saliva: 40 µL ACN/MeOH (1:1) added to 20 µL sample; All steps at 4 °C; exclusion of visibly hemolyzed or turbid samples. Sample metabolite extraction Acetonitrile/Methanol (1:1), Methyl tert-butyl ether, IPA/H₂O (1:1) |
| Extract Storage: | 4℃ |
Combined analysis:
| Analysis ID | AN006862 |
|---|---|
| Chromatography ID | CH005216 |
| MS ID | MS006561 |
| Analysis type | MS |
| Chromatography type | None (Direct infusion) |
| Chromatography system | none |
| Column | none |
| MS Type | MALDI |
| MS instrument type | MALDI-TOF |
| MS instrument name | Bruker Autoflex MALDI-TOF |
| Ion Mode | NEGATIVE |
| Units | Intensity (baseline corrected) |
Chromatography:
| Chromatography ID: | CH005216 |
| Chromatography Summary: | After processing, the sample is directly spotted onto a specially treated chip, fixed onto the target plate for MALDI‑TOF detection, without the use of a chromatography column. |
| 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) |
MS:
| MS ID: | MS006561 |
| Analysis ID: | AN006862 |
| Instrument Name: | Bruker Autoflex MALDI-TOF |
| Instrument Type: | MALDI-TOF |
| MS Type: | MALDI |
| MS Comments: | The mass spectrometer was equipped with a 355-nm Nd:YAG laser (pulse energy < 500 μJ, pulse width 3 ns). The diameter of the laser spot was set to 80–100 μm. The relative laser energy was set to 55%–63% of the maximum energy. The ions produced by a 100-ns pulse ion extraction were subjected to an electric field of 19.18 kV (ion source 1) and 16.92 kV (ion source 2), and analyzed in reflective and negative modes. The generated spectra were obtained after 1,250 laser shots of the spot over the mass range of 50–400 Da. |
| Ion Mode: | NEGATIVE |