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Jain A, Correia MSP, Meistermann H, Vujasinovic M, Löhr JM, Globisch D. Comparison of two arylsulfatases for targeted mass spectrometric analysis of microbiota-derived metabolites. J Pharm Biomed Anal 2020; 195:113818. [PMID: 33342568 DOI: 10.1016/j.jpba.2020.113818] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 11/28/2020] [Accepted: 11/30/2020] [Indexed: 12/16/2022]
Abstract
Sulfation of metabolites is the second highest phase II modification in humans, which plays a critical role in the xenobiotics clearance process and gut microbiota-host co-metabolism. Besides the main function to remove xenobiotics from the body, sulfated metabolites have also been linked to inflammation, bacterial pathogenesis and metabolic disorders. A better understanding of how these metabolites impact the human body has turned into an important research area. Analytical methods for selective identification of this metabolite class are scarce. We have recently developed an assay utilizing the arylsulfatase from Helix pomatia due to a high substrate promiscuity combined with state-of-the-art metabolomics bioinformatic analysis for the selective identification of O-sulfated metabolites in human samples. This enzyme requires a multistep purification process as highest purity is needed for the developed mass spectrometric assay. In this study, we have utilized a new and recombinant overexpressed arylsulfatase (ASPC) for the selective identification of organic sulfate esters in human urine samples. We have compared the substrate conversion in urine samples and substrate specificity of this enzyme with purified arylsulfatase from Helix pomatia. Our analysis of urine samples revealed that both enzymes can be utilized for the selective analysis and discovery of sulfated metabolites with high promiscuity as demonstrated by equal hydrolysis of 108 substrates including sulfated conjugates of 27 metabolites of microbial origin. Importantly, we also identified 21 substrates in human urine samples that are exclusively hydrolyzed by ASPC and application of this enzyme increases the discovery of unknown sulfated metabolites with a higher scaffold diversity.
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Affiliation(s)
- Abhishek Jain
- Dept. Chemistry - BMC, Science for Life Laboratory, Uppsala University, Box 599, SE-75124 Uppsala, Sweden
| | - Mario S P Correia
- Dept. Chemistry - BMC, Science for Life Laboratory, Uppsala University, Box 599, SE-75124 Uppsala, Sweden
| | - Hannes Meistermann
- Dept. Chemistry - BMC, Science for Life Laboratory, Uppsala University, Box 599, SE-75124 Uppsala, Sweden
| | - Miroslav Vujasinovic
- Department for Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden
| | - J-Matthias Löhr
- Department for Digestive Diseases, Karolinska University Hospital, Stockholm, Sweden; Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institute, Stockholm, Sweden
| | - Daniel Globisch
- Dept. Chemistry - BMC, Science for Life Laboratory, Uppsala University, Box 599, SE-75124 Uppsala, Sweden.
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Tang Y, Zhu Y, Sang S. A Novel LC-MS Based Targeted Metabolomic Approach to Study the Biomarkers of Food Intake. Mol Nutr Food Res 2020; 64:e2000615. [PMID: 32997396 DOI: 10.1002/mnfr.202000615] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 08/27/2020] [Indexed: 12/25/2022]
Abstract
SCOPE In this work, an integrated strategy is developed for rapid discovery, precise identification, and automated quantification for the biomarkers of food intake (BFIs) for specific food exposure using an ultra-high-pressure liquid chromatography-high-resolution mass spectrometry (MS) based targeted metabolomics approach. METHODS AND RESULTS Using whole grain (WG) wheat intake as an example, the combination of paired mass distance networking and parallel reaction monitoring analysis is applied to selectively extract and identify WG metabolites in human urine samples. As a result, a total of 76 wheat phytochemical-derived metabolites, including 17 alkylresorcinol metabolites, 20 benzoxazinoid derivatives, and 39 phenolic acid metabolites are identified. Subsequently, a MS spectral database consisting of the identified metabolites is created by mzVault. The characteristics of identified metabolites from the database are incorporated into the TraceFinder software to establish a quantification platform. Using a standardized urine sample, the authors are able to simultaneously quantify both free and conjugated (sulfate and glucuronide) WG wheat metabolites in real samples without further enzymatic hydrolysis, which is validated by using authentic standards to quantify these metabolites. CONCLUSION This novel strategy opens the window to study the biomarkers of specific food intake and make it feasible to validate the BFIs in large-scale human studies.
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Affiliation(s)
- Yao Tang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC, 28081, USA
| | - Yingdong Zhu
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC, 28081, USA
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University, North Carolina Research Campus, 500 Laureate Way, Kannapolis, NC, 28081, USA
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He Z, Sleighter RL, Hatcher PG, Liu S, Wu F, Zou H, Olanya OM. Molecular level comparison of water extractives of maple and oak with negative and positive ion ESI FT-ICR mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2019; 54:655-666. [PMID: 31177597 DOI: 10.1002/jms.4379] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 05/28/2019] [Accepted: 06/02/2019] [Indexed: 06/09/2023]
Abstract
Soluble extractives in wood function to protect living trees from destructive agents and also contribute to wood color and fragrance. Some extractive components have biological activities with medical applications. They also play important roles in wood processing and related applications. To increase the knowledge of wood chemistry, maple and oak were extracted by water. Ultraviolet/visible (UV/vis) spectroscopy indicated the presence of a phenolic compound, resorcinol, in maple extractives having higher molecular mass and more aromatic components than oak extractives. Negative and positive electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry (ESI FT-ICR-MS) identified thousands of formulas in the two samples in the m/z range of 200 to 800. They mainly fall into the lignin-like, carbohydrate-like, and tannin-like compound categories. The top 25 peaks (ie, formulas) with the highest relative magnitude in negative ESI represented nearly 50% of the summed total spectral magnitude of all formulas assigned in the maple and oak extractives. Furthermore, the base peak (ie, most abundant peak) accounted for about 14% of the total abundance in each wood sample. Literature comparisons identified 17 of 20 formulas in the top five peaks of the four spectra as specific bioactive compounds in trees and other plants, implying the potential to explore utilization of maple and oak extractives for functional and medicinal applications. The various profiling of the top 25 peaks from the two samples also suggested the possible application of FT-ICR-MS for detecting chemical markers useful in profiling and identification of wood types and sources.
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Affiliation(s)
- Zhongqi He
- Southern Regional Research Center, USDA Agricultural Research Service, 1100 Robert E. Lee Blvd, New Orleans, LA, 70124, USA
| | - Rachel L Sleighter
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, USA
| | - Patrick G Hatcher
- Department of Chemistry and Biochemistry, Old Dominion University, Norfolk, VA, 23529, USA
| | - Shasha Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Haixuan Zou
- Department of Chemical and Biological Engineering, the University of Maine, Orono, ME, 04469, USA
| | - O Modesto Olanya
- Eastern Regional Research Center, USDA Agricultural Research Service, 600 East Mermaid Lane, Wyndmoor, PA, 19038, USA
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Han Z, Tangni EK, Diana Di Mavungu J, Vanhaecke L, De Saeger S, Wu A, Callebaut A. In vitro glucuronidation of ochratoxin a by rat liver microsomes. Toxins (Basel) 2013; 5:2671-85. [PMID: 24351721 PMCID: PMC3873705 DOI: 10.3390/toxins5122671] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Revised: 12/02/2013] [Accepted: 12/04/2013] [Indexed: 12/17/2022] Open
Abstract
Ochratoxin A (OTA), one of the most toxic mycotoxins, can contaminate a wide range of food and feedstuff. To date, the data on its conjugates via glucuronidation request clarification and consolidation. In the present study, the combined approaches of ultra high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS), UHPLC-Orbitrap-high resolution mass spectrometry (HRMS) and liquid chromatography-multiple stage mass spectrometry (LC-MS(n)) were utilized to investigate the metabolic profile of OTA in rat liver microsomes. Three conjugated products of OTA corresponding to amino-, phenol- and acyl-glucuronides were identified, and the related structures were confirmed by hydrolysis with β-glucuronidase. Moreover, OTA methyl ester, OTα and OTα-glucuronide were also found in the reaction solution. Based on these results, an in vitro metabolic pathway of OTA has been proposed for the first time.
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Affiliation(s)
- Zheng Han
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; E-Mail:
- Veterinary and Agrochemical Research Centre (CODA-CERVA), Unit of Toxins and Natural Components, Leuvensesteenweg 17, Tervuren B-3080, Belgium; E-Mails: (E.K.T.); (A.C.)
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, Ghent B-9000, Belgium; E-Mails: (J.D.D.M.); (S.D.S.)
| | - Emmanuel K. Tangni
- Veterinary and Agrochemical Research Centre (CODA-CERVA), Unit of Toxins and Natural Components, Leuvensesteenweg 17, Tervuren B-3080, Belgium; E-Mails: (E.K.T.); (A.C.)
| | - José Diana Di Mavungu
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, Ghent B-9000, Belgium; E-Mails: (J.D.D.M.); (S.D.S.)
| | - Lynn Vanhaecke
- Laboratory of Chemical Analysis, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, Merelbeke B-9820, Belgium; E-Mail:
| | - Sarah De Saeger
- Laboratory of Food Analysis, Faculty of Pharmaceutical Sciences, Ghent University, Harelbekestraat 72, Ghent B-9000, Belgium; E-Mails: (J.D.D.M.); (S.D.S.)
| | - Aibo Wu
- Institute for Agri-food Standards and Testing Technology, Shanghai Academy of Agricultural Sciences, 1000 Jinqi Road, Shanghai 201403, China; E-Mail:
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +86-21-6220-2875; Fax: +86-21-6220-3612
| | - Alfons Callebaut
- Veterinary and Agrochemical Research Centre (CODA-CERVA), Unit of Toxins and Natural Components, Leuvensesteenweg 17, Tervuren B-3080, Belgium; E-Mails: (E.K.T.); (A.C.)
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Identification of acteoside and its major metabolites in rat urine by ultra-performance liquid chromatography combined with electrospray ionization quadrupole time-of-flight tandem mass spectrometry. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 940:77-85. [DOI: 10.1016/j.jchromb.2013.09.023] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2013] [Revised: 09/17/2013] [Accepted: 09/18/2013] [Indexed: 01/12/2023]
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