Diazo-carboxyl Click Derivatization Enables Sensitive Analysis of Carboxylic Acid Metabolites in Biosamples
Carboxylic acids are central metabolites in bioenergetics, signal transduction, and post-translation protein regulation. However, the quantitative analysis of carboxylic acids as an indispensable part of metabolomics is prohibitively challenging, particularly in trace amounts of biosamples. Here we report a diazo-carboxyl/hydroxylamine-ketone double click derivatization method for the sensitive analysis of hydrophilic, low-molecular-weight carboxylic acids. In general, our method renders a 5- to 2000-fold higher response in mass spectrometry along with improved chromatographic separation. With this method, we presented the near-single-cell analysis of carboxylic acid metabolites in 10 mouse egg cells before and after fertilization. Malate, fumarate, and β-hydroxybutyrate were found to decrease after fertilization. We also monitored the isotope labeling kinetics of carboxylic acids inside adherent cells cultured in 96-well plates during drug treatment. Finally, we applied this method to plasma or serum samples (5 μL) collected from mice and humans under pathological and physiological conditions. The double click derivatization method paves a way toward single-cell metabolomics and bedside diagnostics.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Analytical chemistry - 95(2023), 46 vom: 21. Nov., Seite 16976-16986 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Li, Cong [VerfasserIn] |
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| Links: |
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| Themen: |
Carboxylic Acids |
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| Anmerkungen: |
Date Completed 18.12.2023 Date Revised 20.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1021/acs.analchem.3c03277 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364355077 |
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| 520 | |a Carboxylic acids are central metabolites in bioenergetics, signal transduction, and post-translation protein regulation. However, the quantitative analysis of carboxylic acids as an indispensable part of metabolomics is prohibitively challenging, particularly in trace amounts of biosamples. Here we report a diazo-carboxyl/hydroxylamine-ketone double click derivatization method for the sensitive analysis of hydrophilic, low-molecular-weight carboxylic acids. In general, our method renders a 5- to 2000-fold higher response in mass spectrometry along with improved chromatographic separation. With this method, we presented the near-single-cell analysis of carboxylic acid metabolites in 10 mouse egg cells before and after fertilization. Malate, fumarate, and β-hydroxybutyrate were found to decrease after fertilization. We also monitored the isotope labeling kinetics of carboxylic acids inside adherent cells cultured in 96-well plates during drug treatment. Finally, we applied this method to plasma or serum samples (5 μL) collected from mice and humans under pathological and physiological conditions. The double click derivatization method paves a way toward single-cell metabolomics and bedside diagnostics | ||
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| 700 | 1 | |a Cheng, Kunlun |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Qijin |e verfasserin |4 aut | |
| 700 | 1 | |a Jin, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xuelian |e verfasserin |4 aut | |
| 700 | 1 | |a Liufu, Tongling |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Xutong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Xiaochuan |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Xiao |e verfasserin |4 aut | |
| 700 | 1 | |a Lyu, Jia |e verfasserin |4 aut | |
| 700 | 1 | |a Huang, Dong |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Pingping |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Xiao-Wei |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Zhaoxia |e verfasserin |4 aut | |
| 700 | 1 | |a Hu, Xinli |e verfasserin |4 aut | |
| 700 | 1 | |a Quan, Li |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Zhixing |e verfasserin |4 aut | |
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