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Endo S, Morikawa Y, Suenami K, Sakai Y, Abe N, Matsunaga T, Hara A, Takasu M. Involvement of porcine and human carbonyl reductases in the metabolism of epiandrosterone, 11-oxygenated steroids, neurosteroids, and corticosteroids. J Steroid Biochem Mol Biol 2024; 243:106574. [PMID: 38945307 DOI: 10.1016/j.jsbmb.2024.106574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/11/2024] [Accepted: 06/24/2024] [Indexed: 07/02/2024]
Abstract
Porcine carbonyl reductases (pCBR1 and pCBR-N1) and aldo-keto reductases (pAKR1C1 and pAKR1C4) exhibit hydroxysteroid dehydrogenase (HSD) activity. However, their roles in the metabolism of porcine-specific androgens (19-nortestosterone and epiandrosterone), 11-oxygenated androgens, neurosteroids, and corticosteroids remain unclear. Here, we compared the steroid specificity of the four recombinant enzymes by kinetic and product analyses. In C18/C19-steroids,11-keto- and 11β-hydroxy-5α-androstane-3,17-diones were reduced by all the enzymes, whereas 5α-dihydronandrolone (19-nortestosterone metabolite) and 11-ketodihydrotestosterone were reduced by pCBR1, pCBR-N1, and pAKR1C1, of which pCBR1 exhibited the lowest (submicromolar) Km values. Product analysis showed that pCBR1 and pCBR-N1 function as 3α/β-HSDs, in contrast to pAKR1C1 and pAKR1C4 (acting as 3β-HSD and 3α-HSD, respectively). Additionally, 17β-HSD activity was observed in pCBR1 and pCBR-N1 (toward epiandrosterone and its 11-oxygenated derivatives) and in pAKR1C1 (toward androsterone, 4-androstene-3,17-dione and their 11-oxygenated derivatives). The four enzymes also showed different substrate specificity for 3-keto-5α/β-dihydro-C21-steroids, including GABAergic neurosteroid precursors and corticosteroid metabolites. 5β-Dihydroprogesterone was reduced by all the enzymes, whereas 5α-dihydroprogesterone was reduced only by pCBR1, and 5α/β-dihydrodeoxycorticosterones by pCBR1 and pCBR-N1. The two pCBRs also reduced the 5α/β-dihydro-metabolites of cortisol, 11-deoxycortisol, cortisone, and corticosterone. pCBR1 exhibited lower Km values (0.3-2.9 μM) for the 3-keto-C21-steroids than pCBR-N1 (Km=10-36 μM). The reduced products of the 3-keto-C21-steroids by pCBR1 and pCBR-N1 were their 3α-hydroxy-metabolites. Finally, we found that human CBR1 has similar substrate specificity for the C18/C19/C21-steroids to pCBR-N1. Based on these results, it was concluded that porcine and human CBRs can be involved in the metabolism of the aforementioned steroids as 3α/β,17β-HSDs.
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Affiliation(s)
- Satoshi Endo
- The United Graduate School of Drug Discovery and Medical Information Sciences, Gifu University, Gifu 501-1194, Japan; Center for One Medicine Innovative Translational Research, Gifu University, Gifu 501-1193, Japan.
| | - Yoshifumi Morikawa
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Koichi Suenami
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Yuji Sakai
- Forensic Science Laboratory, Gifu Prefectural Police Headquarters, Gifu 500-8501, Japan
| | - Naohito Abe
- Laboratory of Pharmacognosy, Gifu Pharmaceutical University, Gifu 501-1196, Japan
| | - Toshiyuki Matsunaga
- Laboratory of Bioinformatics, Gifu Pharmaceutical University, Gifu 502-8585, Japan
| | - Akira Hara
- Faculty of Engineering, Gifu University, Gifu 501-1193, Japan
| | - Masaki Takasu
- Center for One Medicine Innovative Translational Research, Gifu University, Gifu 501-1193, Japan; Institute for Advanced Study, Gifu University, Gifu 501-1193, Japan
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Chen T, Le Bizec B, Dervilly G. Anabolic steroids in livestock production: Background and implications for chemical food safety. Steroids 2024; 206:109420. [PMID: 38580048 DOI: 10.1016/j.steroids.2024.109420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 03/26/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
The use of steroids in livestock animals is a source of concern for consumers because of the risks associated with the presence of their residues in foodstuffs of animal origin. Technological advances such as mass spectrometry have made it possible to play a fundamental role in controlling such practices, firstly for the discovery of marker metabolites but also for the monitoring of these compounds under the regulatory framework. Current control strategies rely on the monitoring of either the parent drug or its metabolites in various matrices of interest. As some of these steroids also have an endogenous status specific strategies have to be applied for control purposes. This review aims to provide a comprehensive and up-to-date knowledge of analytical strategies, whether targeted or non-targeted, and whether they focus on markers of exposure or effect in the specific context of chemical food safety regarding the use of anabolic steroids in livestock. The role of new approaches in data acquisition (e.g. ion mobility), processing and analysis, (e.g. molecular networking), is also discussed.
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Affiliation(s)
- Ting Chen
- Oniris, INRAE, LABERCA, Nantes 44300, France
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3
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From targeted methods to metabolomics based strategies to screen for growth promoters misuse in horseracing and livestock: A review. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Pedersen M, Frandsen HL, Andersen JH. Optimised deconjugation of androgenic steroid conjugates in bovine urine. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2017; 34:482-488. [DOI: 10.1080/19440049.2016.1276637] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Mikael Pedersen
- National Food Institute, Technical University of Denmark, Søborg, Denmark
| | - Henrik L. Frandsen
- National Food Institute, Technical University of Denmark, Søborg, Denmark
| | - Jens H. Andersen
- National Food Institute, Technical University of Denmark, Søborg, Denmark
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Peng CF, Liu CL, Song SS, Liu LQ. Highly sensitive nano-ELISA for detecting 19-nortestosterone in beef. FOOD AGR IMMUNOL 2013. [DOI: 10.1080/09540105.2013.821599] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Scarth JP, Kay J, Teale P, Akre C, Le Bizec B, De Brabander HF, Vanhaecke L, Van Ginkel L, Points J. A review of analytical strategies for the detection of ‘endogenous’ steroid abuse in food production. Drug Test Anal 2012; 4 Suppl 1:40-9. [DOI: 10.1002/dta.1354] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- J. P. Scarth
- HFL Sport Science (an LGC company); Fordham; Cambridgeshire; UK
| | - J. Kay
- Veterinary Medicines Directorate; Addlestone; Surrey; UK
| | - P. Teale
- HFL Sport Science (an LGC company); Fordham; Cambridgeshire; UK
| | - C. Akre
- Canadian Food Inspection Agency; Saskatoon; Canada
| | | | | | - L. Vanhaecke
- Faculty of Veterinary Medicine; Ghent University; Merelbeke; Belgium
| | | | - J. Points
- Veterinary Drugs Group, LGC; Teddington; Middlesex; UK
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Galesio M, Núñez C, Diniz MS, Welter R, Lodeiro C, Luis Capelo J. Matrix-assisted laser desorption/ionisation time of flight spectrometry for the fast screening of oxosteroids using aromatic hydrated hydrazines as versatile probes. Talanta 2012; 100:262-9. [PMID: 23141335 DOI: 10.1016/j.talanta.2012.07.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2012] [Revised: 06/27/2012] [Accepted: 07/05/2012] [Indexed: 01/04/2023]
Abstract
To make the use of MALDI-based mass spectrometry feasible for the fast analysis of oxosteroids, three new aromatic probes have been designed to be used simultaneously as derivatisation agents and MALDI matrices. This concept brings a number of benefits: the sample handling is reduced, the workflow is less time consuming allowing high throughput and the interferences caused by the MALDI matrix are avoided. Identification was successfully attained for all oxosteroids used in this study. As proof-of-concept, the identification of oxosteroids in urine was performed to evaluate the robustness of the new methodology. The oxosteroids 17-α-methyltestosterone, nandrolone, boldenone, 17-α-Trenbolone, fluoxymesterolone, mesterolone and bolasterone were identified in human urine at the minimum concentration level recommended by the world anti-doping agency, 2 ng/mL.
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Affiliation(s)
- Marco Galesio
- REQUIMTE/CQFB, Grupo Bioscope, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2829-516 Monte de Caparica, Portugal
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Jiang J, Zhang H, Li G, Yang X, Li R, Wang Z, Wang J. Establishment and Optimization of Monoclonal Antibody-based Heterologous dcELISA for 19-Nortestosterone Residue in Bovine Edible Tissue. J Food Sci 2012; 77:T63-9. [DOI: 10.1111/j.1750-3841.2011.02578.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jiang JQ, Zhang L, Li GL, Zhang HT, Yang XF, Liu JW, Li RF, Wang ZL, Wang JH. Analysis of 19-nortestosterone residue in animal tissues by ion-trap gas chromatography-tandem mass spectrometry. J Zhejiang Univ Sci B 2011; 12:460-7. [PMID: 21634039 DOI: 10.1631/jzus.b1000301] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A rapid sample treatment procedure for the gas chromatography-tandem mass spectrometry (GC-MS) determination of 19-nortestosterone (19-NT) in animal tissues has been developed. In our optimized procedures, enzymatic hydrolysis with β-glucuronidase from Escherichia coli was performed in an acetate buffer (pH 5.2, 0.2 mol/L). Next, the homogenate was mixed with methanol and heated at 60 °C for 15 min, then placed in an ice-bath at -18 °C for 2 h. After liquid-liquid extraction with n-hexane, the analytes were subjected to a normal-phase solid phase extraction (SPE) C₁₈ cartridge for clean-up. The dried organic extracts were derivatized with heptafluorobutyric anhydride (HFBA), and then the products were injected into GC-MS. Using electron impact mass spectrometry (EI-MS) with positive chemical ionization (PCI), four diagnostic ions (m/z 666, 453, 318, and 306) were determined. A standard calibration curve over the concentration range of 1-20 ng/g was reached, with Y=467084X-68354 (R²=0.9997) for 19-NT, and the detection limit was 0.3 ng. When applied to spiked samples collected from bovine and ovine, the recoveries ranged from 63% to 101% with relative standard deviation (RSD) between 2.7% and 8.9%. The procedure is a highly efficient, sensitive, and more economical method which offers considerable potential to resolve cases of suspected nandrolone doping in husbandry animals.
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Affiliation(s)
- Jin-qing Jiang
- College of Veterinary Medicine, Northwest A&F University, Yangling 712100, China
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Jiang J, Wang Z, Zhang H, Zhang X, Liu X, Wang S. Monoclonal antibody-based ELISA and colloidal gold immunoassay for detecting 19-nortestosterone residue in animal tissues. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:9763-9769. [PMID: 21854067 DOI: 10.1021/jf2012437] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
This article presents the generation of monoclonal antibodies (mAbs) with high specificity against 19-nortestosterone (NT) through cell fusion techniques and the development of a mAb-based indirect competitive ELISA (icELISA) method and colloidal gold-based immuno-chromatographic assay to detect NT residues in beef and pork samples. A modified carbodiimide method was employed to synthesize the artificial antigen, and BALB/c mice were used to produce anti-NT mAbs. On the basis of the checkerboard titration, an indirect competitive ELISA standard curve was established. This assay was sensitive and had a linear range from 0.03 to 38 ng/mL in phosphate buffered saline (PBS), with IC(50) and LOD values of 0.52 ng/mL and 0.01 ng/mL, respectively. Of all the competitive analogues, the produced mAb exhibited a high cross-reactivity to 17α-nortestosterone (83.6%), the main metabolite of NT in animal tissues. Except for moderate cross-reactivities with trenbolone (22.6%) and β-boldenone (13.8%), the other interference to the assay was negligible (<0.05%). In contrast, the strip test had a visual detection limit of 1 ng/mL in PBS, 2 μg/kg in beef, and 2 μg/kg in pork, respectively, and the results can be judged within 10 min. The ELISA and GC-MS results showed close correlation in beef (R2=0.9945) and in pork (R2=0.9977). Therefore, the combination of two immunoassays provides a useful screening method for quantitative or qualitative detection of NT residues in animal-origin products.
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Affiliation(s)
- Jinqing Jiang
- College of Animal Science, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China.
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Bioanalysis and Analytical Services Research Group at The Municipal Institute for Medical Research IMIM-Hospital del Mar, Spain. Bioanalysis 2010; 1:1403-9. [PMID: 21083089 DOI: 10.4155/bio.09.135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Analytical laboratories involved in health-related research are becoming a fundamental part of the advancement of science in this field. Of particular interest to clinical, legal, toxicological, forensic and environmental matters is the analysis of drugs and medications present in biological fluids of consumers or exposed subjects. The established sensitive and reliable work of sports drug-testing laboratories represents an interesting example of a multidisciplinarity approach toward widespread bioanalytical problems. The experiences reported in this article will be of general interest, especially for analysts studying the determination of substances in biological material.
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Abstract
There is little doubt that nanoparticles offer real and new opportunities in many fields, such as biomedicine and materials science. Such particles are small enough to enter almost all areas of the body, including cells and organelles, potentially leading to new approaches in nanomedicine. Sensors for small molecules of biochemical interest are of critical importance. This review is an attempt to trace the use of nanomaterials in biochemical sensor design. The possibility of using nanoparticles functionalized with antibodies as markers for proteins will be elucidated. Moreover, capabilities and applications for nanoparticles based on gold, silver, magnetic, and semiconductor materials (quantum dots), used in optical (absorbance, luminescence, surface enhanced Raman spectroscopy, surface plasmon resonance), electrochemical, and mass-sensitive sensors will be highlighted. The unique ability of nanosensors to improve the analysis of biochemical fluids is discussed either through considering the use of nanoparticles for in vitro molecular diagnosis, or in the biological/biochemical analysis for in vivo interaction with the human body.
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Affiliation(s)
- Afaf El-Ansary
- Biochemistry Department, Science College, and Pharmacology Department, Pharmacy College, King Saud University, Riyadh, Saudi Arabia
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Scarth JP, Clarke A, Hands J, Teale P, Mill AC, Macarthur R, Kay J, Brabander H. Validation of an Analytical Biomarker Approach for the Detection of Nandrolone Abuse in the Porcine. Chromatographia 2010. [DOI: 10.1365/s10337-010-1652-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Zhang Y, Pan T, Fang G, Ma D, Wang S. Development of a solid-phase extraction-enzyme-linked immunosorbent assay for the determination of 17beta-19-nortestosterone levels in antifatigue functional foods. J Food Sci 2010; 74:T67-74. [PMID: 19799684 DOI: 10.1111/j.1750-3841.2009.01311.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
17beta-19-nortestosterone (17beta-NT) has been illegally used in antifatigue functional foods to promote muscle growth and improve endurance. A rapid and sensitive solid-phase extraction-enzyme-linked immunosorbent assay (SPE-ELISA) method was developed and successfully applied to analyze the levels of 17beta-NT in antifatigue functional foods. A polyclonal antibody against 17beta-NT was produced from rabbits immunized with the 17beta-NT-BSA conjugate, and a competitive direct enzyme-linked immunosorbent assay was developed for the rapid detection of 17beta-NT. The concentration causing 50% inhibition (IC(50)) and the limit of detection (LOD) were found to be 0.08 and 0.0055 ng/mL, respectively; this was better than methods previously reported that had a LOD of 2.4 ng/mL. C(18) cartridges were investigated for use in removing the effects of matrix in foods, and the sample purification protocol was optimized. Using the developed SPE-ELISA method, recoveries of functional food samples were obtained in the range of 71% to 91.5%. Moreover, 2 kinds of antifatigue functional foods were analyzed using the established ELISA and HPLC methods. The correlation coefficient of the results obtained using the 2 methods was greater than 0.98. Thus, the preliminary evaluation of the SPE-ELISA method proved that it is a specific, sensitive, and precise tool that can be used for the practical detection of 17beta-NT in various antifatigue functional food samples.
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Affiliation(s)
- Yan Zhang
- Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin Univ. of Science and Technology, Tianjin 300457, China
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Torrado S, Roig M, Farré M, Segura J, Ventura R. Urinary metabolic profile of 19-norsteroids in humans: glucuronide and sulphate conjugates after oral administration of 19-nor-4-androstenediol. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2008; 22:3035-3042. [PMID: 18763272 DOI: 10.1002/rcm.3689] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
19-Nor-4-androstenediol (NOL) is a prohormone of nandrolone (ND). Both substances are included in the WADA List of Prohibited Classes of Substances and their administration is determined by the presence of 19-norandrosterone (NA) with the urinary threshold concentration of 2 ng mL(-1). Routine analytical procedures allow the determination of NA excreted free and conjugated with glucuronic acid, but amounts of ND and NOL metabolites are also excreted in the sulphate fraction. The aim of this study is to determine the urinary metabolic profile after oral administration of a nutritional supplement containing NOL. Urine samples were collected up to 96 h following supplement administration and were extracted to obtain separately three metabolic fractions: free, glucuronide and sulphate. Extraction with tert-butyl methyl ether was performed after the hydrolysis steps and trimethylsilyl derivatives were analyzed by gas chromatography/mass spectrometry (GC/MS). After oral administration of NOL, the main metabolites detected were NA and noretiocholanolone (NE) in the glucuronide and sulphate fractions. The relative abundances of each metabolite in each fraction fluctuate with time; a few hours after administration the main metabolite was NA glucuronide whereas in the last sample (4 days after administration) the main metabolite was the NA sulphate and the second was the NE glucuronide. During the studied period almost half of the dose was excreted and the main metabolites were still found in urine after 96 h. Norepiandrosterone and norepietiocholanolone were also detected only in the sulphate fraction. Our results suggest that sulphate metabolites should be taken into consideration in order to increase the retrospectivity in the detection of 19-norsteroids after oral administration.
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Affiliation(s)
- Susana Torrado
- Institut Municipal d'Investigació Mèdica, Barcelona, Spain
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