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Barbosa JMG, Cunha ALRR, David LC, Camelo ÍN, Martins NM, Galvão FS, Mendonça DR, Venâncio MT, Cunha RDS, Filho ARC, Veloso IM, Fernandes JJR, Jorge da Cunha PH, Antoniosi Filho NR. A veterinary cerumenomic assay for bovine laminitis identification. Vet Res Commun 2024; 48:1003-1013. [PMID: 38051450 DOI: 10.1007/s11259-023-10271-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 11/25/2023] [Indexed: 12/07/2023]
Abstract
Bovine laminitis disorder results in animal welfare and economic concerns in dairy and beef farms worldwide. However, the affected metabolic pathways, pathophysiologic characteristics, and inflammatory mechanisms remain unclear, hampering the development of new diagnostics. Using cerumen (earwax) as a source of volatile metabolites (cerumenomic) that carry valuable biological information has interesting implications for veterinary medicine. Nonetheless, up to now, no applications of veterinary cerumenomic assays have been made to identify bovine laminitis. This work aims to develop a veterinary cerumenomic assay for bovine laminitis identification that is non-invasive, robust, accurate, and sensitive to detecting the metabolic disturbances in bovine volatile metabolome. Twenty earwax samples (10 from healthy/control calves and 10 from laminitis calves) were collected from Nellore cattle, followed by Headspace/Gas Chromatography-Mass Spectrometry (HS/GC-MS) analysis and biomarker selection in two multivariate approaches: semiquantitative (intensity data) and semiqualitative (binary data). Following the analysis, cerumen volatile metabolites were indicated as candidate biomarkers for identifying bovine laminitis by monitoring their intensity or occurrence. In the semiquantitative strategy, the p-cresol presented the highest diagnostic figures of merit (area under the curve: 0.845, sensitivity: 0.700, and specificity: 0.900). Regarding the binary approach, a panel combining eight variables/volatiles, with formamide being the most prominent one, showed an area under the curve, sensitivity, and specificity of 0.97, 0.81, and 0.90, respectively. In summary, this work describes the first veterinary cerumenomic assay for bovine laminitis that indicates new metabolites altered during the inflammatory condition, paving the way for developing laminitis early diagnosis by monitoring the cerumen metabolites.
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Affiliation(s)
- João Marcos G Barbosa
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
| | - Ana Luiza Reis R Cunha
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Lurian C David
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Ícaro N Camelo
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Nauyla M Martins
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Felipe S Galvão
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Débora R Mendonça
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Marianna T Venâncio
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Roberta Dias S Cunha
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Alessandro R Costa Filho
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Izadora M Veloso
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Juliano José R Fernandes
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Paulo Henrique Jorge da Cunha
- Escola de Veterinária E Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Nelson R Antoniosi Filho
- Laboratório de Métodos de Extração E Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
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Barbosa JMG, Shokry E, Caetano David L, Pereira NZ, da Silva AR, de Oliveira VF, Fioravanti MCS, da Cunha PHJ, de Oliveira AE, Antoniosi Filho NR. Cancer evaluation in dogs using cerumen as a source for volatile biomarker prospection. Mol Omics 2024; 20:27-36. [PMID: 37751172 DOI: 10.1039/d3mo00147d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/27/2023]
Abstract
Cancer is one of the deadliest diseases in humans and dogs. Nevertheless, most tumor types spread faster in canines, and early cancer detection methods are necessary to enhance animal survival. Here, cerumen (earwax) was tested as a source of potential biomarkers for cancer evaluation in dogs. Earwax samples from dogs were collected from tumor-bearing and clinically healthy dogs, followed by Headspace/Gas Chromatography-Mass Spectrometry (HS/GC-MS) analyses and multivariate statistical workflow. An evolutionary-based multivariate algorithm selected 18 out of 128 volatile metabolites as a potential cancer biomarker panel in dogs. The candidate biomarkers showed a full discrimination pattern between tumor-bearing dogs and cancer-free canines with high accuracy in the test dataset: an accuracy of 95.0% (75.1-99.9), and sensitivity and specificity of 100.0% and 92.9%, respectively. In summary, this work raises a new perspective on cancer diagnosis in dogs, being carried out painlessly and non-invasive, facilitating sample collection and periodic application in a veterinary routine.
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Affiliation(s)
- João Marcos G Barbosa
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Engy Shokry
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Lurian Caetano David
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Naiara Z Pereira
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Adriana R da Silva
- Hospital Veterinário - Escola de Veterinária e Zootecnia da UFG, Rodovia Goiânia - Nova Veneza, km 8 Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Vilma F de Oliveira
- Hospital Veterinário - Escola de Veterinária e Zootecnia da UFG, Rodovia Goiânia - Nova Veneza, km 8 Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Maria Clorinda S Fioravanti
- Hospital Veterinário - Escola de Veterinária e Zootecnia da UFG, Rodovia Goiânia - Nova Veneza, km 8 Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Paulo H Jorge da Cunha
- Hospital Veterinário - Escola de Veterinária e Zootecnia da UFG, Rodovia Goiânia - Nova Veneza, km 8 Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Anselmo E de Oliveira
- Laboratório de Química Teórica e Computacional, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Nelson Roberto Antoniosi Filho
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
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Coon A, Setzen G, Musah RA. Mass Spectrometric Interrogation of Earwax: Toward the Detection of Ménière's Disease. ACS OMEGA 2023; 8:27010-27023. [PMID: 37546591 PMCID: PMC10399190 DOI: 10.1021/acsomega.3c01943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Accepted: 06/16/2023] [Indexed: 08/08/2023]
Abstract
Many diseases remain difficult to identify because the occurrence of characteristic biomarkers within traditional matrices such as blood and urine remain unknown. Disease diagnosis could, therefore, benefit from the analysis of readily accessible, non-traditional matrices that have a high chemical content and contain distinguishing biomarkers. One such matrix is cerumen (i.e., earwax), whose chemical complexity can pose challenges when analyzed by conventional methods. A combination of cerumen chemical profiles analyzed by gas chromatography-mass spectrometry (GC-MS) and direct analysis in real time-high-resolution mass spectrometry (DART-HRMS) were investigated to ascertain the possible presence of the rare otolaryngological disorder Ménière's disease. This illness is currently identified via "diagnosis by exclusion" in which the disease is distinguished from others with overlapping symptoms by the process of elimination. GC-MS revealed a chemical profile difference between those with and without a Ménière's disease diagnosis by a visually apparent diminution of the compounds present in the Ménière's disease samples. DART-HRMS revealed that the two classes could be differentiated using three fatty acids: cis-9-hexadecenoic acid, cis-10-heptadecenoic acid, and cis-9-octadecenoic acid. These compounds were subsequently quantified by GC-MS and overall, the amounts of these fatty acids were decreased in Ménière's disease patients. The average levels for non-Ménière's disease samples were 7.89 μg/mg for cis-9-hexadecenoic acid, 0.87 μg/mg for cis-10-heptadecenoic acid, and 4.94 μg/mg for cis-9-octadecenoic acid. The average levels for Ménière's disease samples were 1.70 μg/mg for cis-9-hexadecenoic acid, 0.13 μg/mg for cis-10-heptadecenoic acid, and 2.07 μg/mg for cis-9-octadecenoic acid. The confidence levels for cis-9-hexadecenoic acid, cis-10-heptadecenoic acid, and cis-9-octadecenoic acid were 98.7%, 99.9%, and 95.4%, respectively. The results suggest that assessment of the concentrations of these fatty acids could be a useful clinical tool for the more rapid and accurate detection of Ménière's disease.
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Affiliation(s)
- Allix
Marie Coon
- Department
of Chemistry, University at Albany, State
University of New York, 1400 Washington Avenue, Albany, New York 12222, United States
| | - Gavin Setzen
- Albany
ENT and Allergy Services, 123 Everett Rd, Albany, New York 12205, United States
| | - Rabi Ann Musah
- Department
of Chemistry, University at Albany, State
University of New York, 1400 Washington Avenue, Albany, New York 12222, United States
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Barbosa JMG, de Mendonça DR, David LC, E Silva TC, Fortuna Lima DA, de Oliveira AE, Lopes WDZ, Fioravanti MCS, da Cunha PHJ, Antoniosi Filho NR. A cerumenolomic approach to bovine trypanosomosis diagnosis. Metabolomics 2022; 18:42. [PMID: 35739279 DOI: 10.1007/s11306-022-01901-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Accepted: 05/25/2022] [Indexed: 10/17/2022]
Abstract
INTRODUCTION Trypanosomiasis caused by Trypanosoma vivax (T. vivax, subgenus Duttonella) is a burden disease in bovines that induces losses of billions of dollars in livestock activity worldwide. To control the disease, the first step is identifying the infected animals at early stages. However, convention tools for animal infection detection by T. vivax present some challenges, facilitating the spread of the pathogenesis. OBJECTIVES This work aims to develop a new procedure to identify infected bovines by T. vivax using cerumen (earwax) in a volatilomic approach, here named cerumenolomic, which is performed in an easy, quick, accurate, and non-invasive manner. METHODS Seventy-eight earwax samples from Brazilian Curraleiro Pé-Duro calves were collected in a longitudinal study protocol during health and inoculated stages. The samples were analyzed using Headspace/Gas Chromatography-Mass Spectrometry followed by multivariate analysis approaches. RESULTS The cerumen analyses lead to the identification of a broad spectrum of volatile organic metabolites (VOMs), of which 20 VOMs can discriminate between healthy and infected calves (AUC = 0.991, sensitivity = 0.967, specificity = 1.000). Furthermore, 13 VOMs can indicate a pattern of discrimination between the acute and chronic phases of the T. vivax infection in the animals (AUC = 0.989, sensitivity = 0.944, specificity = 1.000). CONCLUSION The cerumen volatile metabolites present alterations in their occurrence during the T.vivax infection, which may lead to identifying the infection in the first weeks of inoculation and discriminating between the acute and chronic phases of the illness. These results may be a breakthrough to avoid the T. vivax outbreak and provide a faster clinical approach to the animal.
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Affiliation(s)
- João Marcos G Barbosa
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
| | - Débora Ribeiro de Mendonça
- Escola de Veterinária e Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Lurian C David
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Taynara C E Silva
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Danielly A Fortuna Lima
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil
| | - Anselmo E de Oliveira
- Laboratory of Theoretical and Computational Chemistry, Instituto de Química, UFG, Goiânia, GO, 74690-970, Brazil
| | - Welber Daniel Zanetti Lopes
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, Goiás, CEP, 74001-970, Brazil
| | - Maria Clorinda S Fioravanti
- Escola de Veterinária e Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Paulo H Jorge da Cunha
- Escola de Veterinária e Zootecnia (EVZ), Universidade Federal de Goiás (UFG), Rodovia Goiânia - Nova Veneza, Km 8, Campus II - Samambaia, Goiânia, GO, CEP, 74001-970, Brazil
| | - Nelson R Antoniosi Filho
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus II - Samambaia, Goiânia, GO, 74690-900, Brazil.
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Coon A, Dane AJ, Setzen G, Cody RB, Musah RA. Two-Dimensional Gas Chromatographic and Mass Spectrometric Characterization of Lipid-Rich Biological Matrices-Application to Human Cerumen (Earwax). ACS OMEGA 2022; 7:230-239. [PMID: 35036695 PMCID: PMC8756784 DOI: 10.1021/acsomega.1c04535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/04/2021] [Indexed: 06/14/2023]
Abstract
Earwax is a readily accessible biological matrix that has the potential to be used in disease diagnostics. However, its semisolid nature and high chemical complexity have hampered efforts to investigate its potential to reveal disease markers. This is because more conventional methods of analysis such as gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry yield unsatisfactory results due to the presence of many nonvolatile and/or coeluting compounds, which in some cases have very similar mass spectrometric profiles. In addition, these routine methods often require the sample to be saponified, which dramatically increases the complexity of the analysis and makes it difficult to determine which compounds are actually present versus those that are produced by saponification. In this study, two-dimensional GC mass spectrometry (GC × GC-MS) was successfully applied for the characterization of the chemical components of earwax from healthy donors using nonpolar (primary) and midpolar (secondary) columns without saponification. Over 35 of the compounds that were identified are reported for the first time to be detected in unsaponified earwax. The resulting GC × GC-MS contour plots revealed visually recognizable compound class clusters of previously reported groups including alkanes, alkenes, fatty acids, esters, triglycerides, and cholesterol esters, as well as cholesterol and squalene. The application of GC × GC-MS revealed results that provide a foundation upon which future studies aimed at comparing healthy donor earwax to that from individuals exhibiting various disease states can be accomplished.
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Affiliation(s)
- Allix
M. Coon
- Department
of Chemistry, State University of New York
at Albany, 1400 Washington
Avenue, Albany, New York 12222, United States
| | - A. John Dane
- JEOL
USA Inc., 11 Dearborn Rd, Peabody, Massachusetts 01960, United States
| | - Gavin Setzen
- Albany
ENT and Allergy Services, 123 Everett Rd, Albany, New York 12205, United
States
| | - Robert B. Cody
- JEOL
USA Inc., 11 Dearborn Rd, Peabody, Massachusetts 01960, United States
| | - Rabi A. Musah
- Department
of Chemistry, State University of New York
at Albany, 1400 Washington
Avenue, Albany, New York 12222, United States
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Duan W, Qiao S, Zhuo M, Sun J, Guo M, Xu F, Liu J, Wang T, Guo X, Zhang Y, Gao J, Huang Y, Zhang Z, Cheng P, Ma S, Chen Y. Multifunctional Platforms: Metal-Organic Frameworks for Cutaneous and Cosmetic Treatment. Chem 2021. [DOI: 10.1016/j.chempr.2020.11.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Gonçalves Barbosa JM, Machado Botelho AF, Santana da Silva RH, Ferreira de Almeida SS, Ferreira ER, Caetano David L, Alves Fortuna Lima D, Cavalcante E Silva T, Jorge da Cunha PH, Roberto Antoniosi Filho N. Identification of cattle poisoning by Bifenthrin via earwax analysis by HS/GC-MS. Biomed Chromatogr 2020; 35:e5017. [PMID: 33125751 DOI: 10.1002/bmc.5017] [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: 08/28/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 12/16/2022]
Abstract
The use of pyrethroids has increased over recent years, and corresponds to a higher exposure of animals to pesticide residues in the environment and diet. Here, an outbreak of pyrethroid poisoning in beef cattle was reported occurring in Midwestern Brazil. After veterinary evaluation, it was observed that the bovines presented common pyrethroid intoxication symptoms. Aiming to identify the cattle poising by pyrethroid, earwax samples were collected from two groups: exposed and nonexposed animals from the same farm. Blind earwax analyses of the bovines were carried out using headspace/gas chromatography-mass spectrometry (HS/GC-MS). The HS/GC-MS analysis detected the presence of bifenthrin in the earwax analysis of the exposed animals, confirmed by the comparison of its MS fragments with a bifenthrin standard, and also by its retention time relative to the internal standard. In summary, HS/GC-MS analysis of earwax emerges as a tool that can be used in the detection and monitoring of bifenthrin poisoning in cattle, as a useful veterinary diagnosis that ensures animal health and the safety of their products.
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Affiliation(s)
- João Marcos Gonçalves Barbosa
- Laboratory of Extraction and Separation Methods, Institute of Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
| | - Ana Flávia Machado Botelho
- Laboratory of Veterinary Toxicology, Veterinary and Zootechnical School, Federal University of Goiás, Goiânia, GO, Brazil
| | | | - Sara Sueli Ferreira de Almeida
- Laboratory of Veterinary Toxicology, Veterinary and Zootechnical School, Federal University of Goiás, Goiânia, GO, Brazil
| | | | - Lurian Caetano David
- Laboratory of Extraction and Separation Methods, Institute of Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
| | - Danielly Alves Fortuna Lima
- Laboratory of Extraction and Separation Methods, Institute of Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
| | - Taynara Cavalcante E Silva
- Laboratory of Extraction and Separation Methods, Institute of Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
| | - Paulo Henrique Jorge da Cunha
- Laboratory of Veterinary Toxicology, Veterinary and Zootechnical School, Federal University of Goiás, Goiânia, GO, Brazil
| | - Nelson Roberto Antoniosi Filho
- Laboratory of Extraction and Separation Methods, Institute of Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
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Méndez-Rodríguez KB, Figueroa-Vega N, Ilizaliturri-Hernandez CA, Cardona-Alvarado M, Borjas-García JA, Kornhauser C, Malacara JM, Flores-Ramírez R, Pérez-Vázquez FJ. Identification of metabolic markers in patients with type 2 Diabetes by Ultrafast gas chromatography coupled to electronic nose. A pilot study. Biomed Chromatogr 2020; 34:e4956. [PMID: 32706910 DOI: 10.1002/bmc.4956] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 07/19/2020] [Accepted: 07/22/2020] [Indexed: 12/27/2022]
Abstract
Metabolomics is a potential tool for the discovery of new biomarkers in the early diagnosis of diseases. An ultra-fast gas chromatography system equipped to an electronic nose detector (FGC eNose) was used to identify the metabolomic profile of Volatile Organic Compounds (VOCs) in type 2 diabetes (T2D) urine from Mexican population. A cross-sectional, comparative, and clinical study with translational approach was performed. We recruited twenty T2D patients and twenty-one healthy subjects. Urine samples were taken and analyzed by FGC eNose. Eighty-eight compounds were identified through Kovats's indexes. A natural variation of 30% between the metabolites, expressed by study groups, was observed in Principal Component 1 and 2 with a significant difference (p < 0.001). The model, performed through a Canonical Analysis of Principal coordinated (CAP), allowed a correct classification of 84.6% between healthy and T2D patients, with a 15.4% error. The metabolites 2-propenal, 2-propanol, butane- 2,3-dione and 2-methylpropanal, were increased in patients with T2D, and they were strongly correlated with discrimination between clinically healthy people and T2D patients. This study identified metabolites in urine through FGC eNose that can be used as biomarkers in the identification of T2D patients. However, more studies are needed for its implementation in clinical practice.
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Affiliation(s)
- Karen Beatriz Méndez-Rodríguez
- Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACyT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico
| | - Nicté Figueroa-Vega
- Department of Medical Sciences, University of Guanajuato, León, Gto., Mexico
| | - César Arturo Ilizaliturri-Hernandez
- Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACyT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico
| | | | | | - Carlos Kornhauser
- Department of Medical Sciences, University of Guanajuato, León, Gto., Mexico
| | | | - Rogelio Flores-Ramírez
- Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACyT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico.,CONACYT Research Fellow, Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACYT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico
| | - Francisco Javier Pérez-Vázquez
- Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACyT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico.,CONACYT Research Fellow, Coordinación para la Innovación y Aplicación de la Ciencia y la Tecnología (CIACYT), Universidad Autónoma de San Luis Potosí, San Luis Potosí, S.L.P., Mexico
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Barbosa JMG, Fernandes Rodrigues MK, David LC, E Silva TC, Fortuna Lima DA, Pereira NZ, D'Alessandro EB, de Oliveira AE, Jorge da Cunha PH, Fioravanti MCS, Antoniosi Filho NR. A volatolomic approach using cerumen as biofluid to diagnose bovine intoxication by Stryphnodendron rotundifolium. Biomed Chromatogr 2020; 34:e4935. [PMID: 32598079 DOI: 10.1002/bmc.4935] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/15/2020] [Accepted: 06/24/2020] [Indexed: 01/21/2023]
Abstract
An innovative volatolomic approach employs the detection of biomarkers present in cerumen (earwax) to identify cattle intoxication by Stryphnodendron rotundifolium Mart., Fabaceae (popularly known as barbatimão). S. rotundifolium is a poisonous plant with the toxic compound undefined and widely distributed throughout the Brazilian territory. Cerumen samples from cattle of two local Brazilian breeds ('Curraleiro Pé-Duro' and 'Pantaneiro') were collected during an experimental intoxication protocol and analyzed using headspace (HS)/GC-MS followed by multivariate analysis (genetic algorithm for a partial least squares, cluster analysis, and classification and regression trees). A total of 106 volatile organic metabolites were identified in the cerumen samples of bovines. The intoxication by S. rotundifolium influenced the cerumen volatolomic profile of the bovines throughout the intoxication protocol. In this way, it was possible to detect biomarkers for cattle intoxication. Among the biomarkers, 2-octyldecanol and 9-tetradecen-1-ol were able to discriminate all samples between intoxicated and nonintoxicated bovines. The cattle intoxication diagnosis by S. rotundifolium was accomplished by applying the cerumen analysis using HS/GC-MS, in an easy, accurate, and noninvasive way. Thus, the proposed bioanalytical chromatography protocol is a useful tool in veterinary applications to determine this kind of intoxication.
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Affiliation(s)
- João Marcos G Barbosa
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | | | - Lurian C David
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Taynara C E Silva
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Danielly A Fortuna Lima
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Naiara Z Pereira
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Emmanuel B D'Alessandro
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Anselmo E de Oliveira
- Laboratory of Theoretical and Computational Chemistry (LQTC), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | - Paulo H Jorge da Cunha
- Veterinary and Zootechnical School (EVZ), Federal University of Goiás (UFG), Goiânia, GO, Brazil
| | | | - Nelson R Antoniosi Filho
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Goiânia, GO, Brazil
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Barbosa JMG, Pereira NZ, David LC, de Oliveira CG, Soares MFG, Avelino MAG, de Oliveira AE, Shokry E, Filho NRA. Cerumenogram: a new frontier in cancer diagnosis in humans. Sci Rep 2019; 9:11722. [PMID: 31409861 PMCID: PMC6692389 DOI: 10.1038/s41598-019-48121-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 07/22/2019] [Indexed: 02/07/2023] Open
Abstract
Cancer is the deadliest human disease and the development of new diagnosis methods is important to increase the chances of a cure. In this work it was developed a new method, named here for the first time as cerumenogram, using cerumen (earwax) as a new biomatrix for diagnosis. Earwax samples collected from cancer patients (cancer group) and cancer-free patients (control group) were analyzed by Headspace/Gas Chromatography-Mass Spectrometry (HS/GC-MS), following with multivariate analysis steps to process the raw data generated. In total, 158 volatile organic metabolites (VOMs) were identified in the cerumen samples. The 27 selected as potential VOMs biomarkers for cancer provided 100% discrimination between the cancer and control groups. This new test can thus be routinely employed for cancer diagnoses that is non-invasive, fast, cheap, and highly accurate.
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Affiliation(s)
- João Marcos Gonçalves Barbosa
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
| | - Naiara Zedes Pereira
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Lurian Caetano David
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Camilla Gabriela de Oliveira
- Clinical Hospital, Federal University of Goiás (UFG), Campus I - Colemar Natal e Silva, 74605-020, Goiânia, GO, Brazil
| | - Marina Ferraz Gontijo Soares
- Clinical Hospital, Federal University of Goiás (UFG), Campus I - Colemar Natal e Silva, 74605-020, Goiânia, GO, Brazil
| | - Melissa Ameloti Gomes Avelino
- Clinical Hospital, Federal University of Goiás (UFG), Campus I - Colemar Natal e Silva, 74605-020, Goiânia, GO, Brazil
| | - Anselmo Elcana de Oliveira
- Laboratory of Theoretical and Computational Chemistry (LQTC), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-970, Goiânia, GO, Brazil
| | - Engy Shokry
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil
| | - Nelson Roberto Antoniosi Filho
- Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil. .,Laboratory of Extraction and Separation Methods (LAMES), Institute of Chemistry, Federal University of Goiás (UFG), Campus II - Samambaia, 74690-900, Goiânia, GO, Brazil.
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Shokry E, Filho NRA. Insights into cerumen and application in diagnostics: past, present and future prospective. Biochem Med (Zagreb) 2019; 27:030503. [PMID: 29180914 PMCID: PMC5696747 DOI: 10.11613/bm.2017.030503] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Accepted: 09/16/2017] [Indexed: 12/11/2022] Open
Abstract
Cerumen or earwax is an emerging bio-fluid in clinical diagnosis that has been very little exploited during the past decades in spite of its high diagnostic potential. It is highly abundant in diagnostic biomarkers such as genetic material, lipids, proteins, chemical elements, internal and external metabolites (e.g. hormones, volatile organic compounds, amino acids, xenobiotics etc.) reaching earwax from the blood circulation. Thus, it is able to reflect not only physiology, pathophysiology of the human body but can also detect recent and long term exposure to environmental pollutants, without the need of invasive blood tests and in the same time overcoming many disadvantages faced by using other diagnostic biological fluids. This review discusses the biology, functions, chemistry of earwax, past and current approaches for the study of its chemical composition, emphasizing how a detected variation in its composition can offer information of high clinical value, which can be useful in diagnosis of many diseases such as metabolic disorders and tumours as well as in forensic applications. It also presents details about techniques of sample collection, storage, and analysis. Moreover, it highlights concerns about the use of earwax for diagnostic purposes, which should be addressed to make earwax diagnostics a reality in the future.
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Affiliation(s)
- Engy Shokry
- Laboratório de Métodos de Extração e Separação, Instituto de Química, Universidade Federal de Goiás, Goiânia, Brazil
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López-López Á, López-Gonzálvez Á, Barker-Tejeda TC, Barbas C. A review of validated biomarkers obtained through metabolomics. Expert Rev Mol Diagn 2018; 18:557-575. [PMID: 29808702 DOI: 10.1080/14737159.2018.1481391] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Studying changes in the whole set of small molecules, final products of biochemical reactions in living systems or metabolites, is extremely appealing because they represent the best approach to identifying what occurs in an organism when samples are collected. However, their usefulness as potential biomarkers is limited by discoveries obtained in small groups without proper validation or even confirmation of the chemical structure. Areas covered: During the past 5 years, more than 900 papers have been published on metabolomics for biomarker discovery, but the numbers are much lower when some criteria of validation are applied. In total, 102 papers have been included in this review. The most frequent disease areas in which these markers have been discovered include the following: cancer, diabetes, and related diseases and neurodegenerative, cardiovascular, autoimmune, liver, and kidney diseases. Expert commentary: Metabolomics has been demonstrated as rapidly growing due to the improvements in instrumentation, mainly mass spectrometry, and data mining software. For application in the clinic, the results should be validated in different stages, from analytical validation to validation in independent sets of samples, using thousands of samples from different sources.
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Affiliation(s)
- Ángeles López-López
- a Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia , Universidad CEU San Pablo , Madrid , Spain
| | - Ángeles López-Gonzálvez
- a Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia , Universidad CEU San Pablo , Madrid , Spain
| | - Tomás Clive Barker-Tejeda
- a Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia , Universidad CEU San Pablo , Madrid , Spain
| | - Coral Barbas
- a Centre for Metabolomics and Bioanalysis (CEMBIO), Facultad de Farmacia , Universidad CEU San Pablo , Madrid , Spain
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Kočová Vlčková H, Pilařová V, Svobodová P, Plíšek J, Švec F, Nováková L. Current state of bioanalytical chromatography in clinical analysis. Analyst 2018; 143:1305-1325. [DOI: 10.1039/c7an01807j] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Chromatographic methods have become popular in clinical analysis in both routine and research laboratories.
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Affiliation(s)
- H. Kočová Vlčková
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
| | - V. Pilařová
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
| | - P. Svobodová
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
| | - J. Plíšek
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
| | - F. Švec
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
| | - L. Nováková
- Deparment of Analytical Chemistry
- Faculty of Pharmacy in Hradec Králové
- Charles University
- Hradec Králové
- Czech Republic
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Shokry E, Pereira J, Marques Júnior JG, da Cunha PHJ, Noronha Filho ADF, da Silva JA, Fioravanti MCS, de Oliveira AE, Antoniosi Filho NR. Earwax metabolomics: An innovative pilot metabolic profiling study for assessing metabolic changes in ewes during periparturition period. PLoS One 2017; 12:e0183538. [PMID: 28841695 PMCID: PMC5571955 DOI: 10.1371/journal.pone.0183538] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Accepted: 08/07/2017] [Indexed: 01/08/2023] Open
Abstract
Important metabolic changes occur during transition period of late pregnancy and early lactation to meet increasing energy demands of the growing fetus and for milk production. The aim of this investigation is to present an innovative and non-invasive tool using ewe earwax sample analysis to assess the metabolic profile in ewes during late pregnancy and early lactation. In this work, earwax samples were collected from 28 healthy Brazilian Santa Inês ewes divided into 3 sub-groups: 9 non-pregnant ewes, 6 pregnant ewes in the last 30 days of gestation, and 13 lactating ewes ≤ 30 days postpartum. Then, a range of metabolites including volatile organic compounds (VOC), amino acids (AA), and minerals were profiled and quantified in the samples by applying headspace gas chromatography/mass spectrometry, high performance liquid chromatography/tandem mass spectrometry, and inductively coupled plasma-optical emission spectrometry, respectively. As evident in our results, significant changes were observed in the metabolite profile of earwax between the studied groups where a remarkable elevation was detected in the levels of non-esterified fatty acids, alcohols, ketones, and hydroxy urea in the VOC profile of samples obtained from pregnant and lactating ewes. Meanwhile, a significant decrease was detected in the levels of 9 minerals and 14 AA including essential AA (leucine, phenyl alanine, lysine, isoleucine, threonine, valine), conditionally essential AA (arginine, glycine, tyrosine, proline, serine), and a non-essential AA (alanine). Multivariate analysis using robust principal component analysis and hierarchical cluster analysis was successfully applied to discriminate the three study groups using the variations of metabolites in the two stress states (pregnancy and lactation) from the healthy non-stress condition. The innovative developed method was successful in evaluating pre- and post-parturient metabolic changes using earwax and can in the future be applied to recognize markers for diagnosis, prevention, and intervention of pregnancy complications in ewes.
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Affiliation(s)
- Engy Shokry
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
- * E-mail:
| | - Julião Pereira
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
| | - Jair Gonzalez Marques Júnior
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
| | | | | | - Jessica Alves da Silva
- Escola de Veterinária e Zootecnia, Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
| | | | - Anselmo Elcana de Oliveira
- Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
| | - Nelson Roberto Antoniosi Filho
- Laboratório de Métodos de Extração e Separação (LAMES), Instituto de Química (IQ), Universidade Federal de Goiás (UFG), Campus Samambaia, Goiânia, Goiás, Brazil
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Earwax: A clue to discover fluoroacetate intoxication in cattle. Toxicon 2017; 137:54-57. [PMID: 28716647 DOI: 10.1016/j.toxicon.2017.07.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 07/10/2017] [Accepted: 07/11/2017] [Indexed: 11/23/2022]
Abstract
An innovative method was developed to detect fluoroacetate poisoning in cattle by headspace/gas chromatographic analysis of earwax samples of intoxicated cattle. Samples were collected from 2 groups of cattle subjected to induced fluoroacetate intoxication, each group receiving a different dose of acetamide (antidote). Monofluoroacetic acid was detected in samples of intoxicated cattle in concentrations inversely proportional to the dose of acetamide. Thus, earwax analysis represents a successful approach for detection and monitoring of fluoroacetate poisoning.
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Shokry E, de Oliveira AE, Avelino MAG, de Deus MM, Pereira NZ, Filho NRA. Earwax: an innovative tool for assessment of tobacco use or exposure. A pilot study in young adults. Forensic Toxicol 2017. [DOI: 10.1007/s11419-017-0370-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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