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Murtaza B, Li X, Nawaz MY, Saleemi MK, Li G, Jin B, Wang L, Xu Y. Toxicodynamic of combined mycotoxins: MicroRNAs and acute-phase proteins as diagnostic biomarkers. Compr Rev Food Sci Food Saf 2024; 23:e13338. [PMID: 38629461 DOI: 10.1111/1541-4337.13338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 02/18/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024]
Abstract
Mycotoxins, ubiquitous contaminants in food, present a global threat to human health and well-being. Mitigation efforts, such as the implementation of sound agricultural practices, thorough food processing, and the advancement of mycotoxin control technologies, have been instrumental in reducing mycotoxin exposure and associated toxicity. To comprehensively assess mycotoxins and their toxicodynamic implications, the deployment of effective and predictive strategies is imperative. Understanding the manner of action, transformation, and cumulative toxic effects of mycotoxins, moreover, their interactions with food matrices can be gleaned through gene expression and transcriptome analyses at cellular and molecular levels. MicroRNAs (miRNAs) govern the expression of target genes and enzymes that play pivotal roles in physiological, pathological, and toxicological responses, whereas acute phase proteins (APPs) exert regulatory control over the metabolism of therapeutic agents, both endogenously and posttranscriptionally. Consequently, this review aims to consolidate current knowledge concerning the regulatory role of miRNAs in the initiation of toxicological pathways by mycotoxins and explores the potential of APPs as biomarkers following mycotoxin exposure. The findings of this research highlight the potential utility of miRNAs and APPs as indicators for the detection and management of mycotoxins in food through biological processes. These markers offer promising avenues for enhancing the safety and quality of food products.
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Affiliation(s)
- Bilal Murtaza
- School of Bioengineering, Dalian University of Technology, Dalian, China
- Dalian SEM Bioengineering Technology Co., Ltd, Dalian, China
| | - Xiaoyu Li
- School of Bioengineering, Dalian University of Technology, Dalian, China
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China
| | | | | | - Gen Li
- School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Bowen Jin
- School of Bioengineering, Dalian University of Technology, Dalian, China
| | - Lili Wang
- School of Bioengineering, Dalian University of Technology, Dalian, China
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China
| | - Yongping Xu
- School of Bioengineering, Dalian University of Technology, Dalian, China
- Dalian SEM Bioengineering Technology Co., Ltd, Dalian, China
- MOE Key Laboratory of Bio-Intelligent Manufacturing, School of Bioengineering, Dalian University of Technology, Dalian, Liaoning, China
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Heegaard PMH, Starbæk SMR, Lelli D, Skovgaard K. Pig Acute Phase Proteins as Non-Antibody Systemic Biomarkers of Intracellular Infections. Methods Mol Biol 2024; 2813:145-165. [PMID: 38888777 DOI: 10.1007/978-1-0716-3890-3_11] [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] [Indexed: 06/20/2024]
Abstract
As an alternative to traditional serological markers, that is, antibodies, for serum-based specific diagnosis of infections, circulating non-antibody markers may be used to monitor active disease. Acute phase proteins (APPs) are a prominent class of such markers widely used for diagnosing ongoing inflammation and infection. In this chapter, basic theoretical and practical considerations on developing APP assays and using APPs as markers of ongoing infection are presented with a specific focus on intracellular infections in pigs. Examples on APP-based monitoring of infection in pigs with viruses such as porcine respiratory and reproductive syndrome virus (PRRSV), porcine endemic diarrhea virus (PEDV), and influenza A virus (IAV), as well as intracellular bacteria (Lawsonia intracellularis) and the protozoan intracellular parasites Toxoplasma gondii and Cryptosporidium parvum are presented, with an emphasis on major pig APPs C-reactive protein (CRP), haptoglobin, serum amyloid A (SAA), and pig major acute phase protein (pig-MAP). The performance of these APPs as biomarkers in a range of experimental infection studies in pigs is described as examples on their use for estimating the severity of infection, vaccine efficacy, herd health characterization, and differential diagnosis.
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Affiliation(s)
- Peter M H Heegaard
- Department of Health Technology, Technical University of Denmark, Kongens Lyngby, Denmark.
| | - Sofie M R Starbæk
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Davide Lelli
- Istituto Zooprofilattico Sperimentale della Lombardia ed Emilia Romagna, Brescia, Italy
| | - Kerstin Skovgaard
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Kongens Lyngby, Denmark
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Miller I, Gianazza E. Proteomic methods for the study of porcine acute phase proteins - anything new to detect? Vet Res Commun 2023; 47:1801-1815. [PMID: 37452983 DOI: 10.1007/s11259-023-10170-6] [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: 05/11/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023]
Abstract
Acute phase proteins (APPs) reflect the health status of individuals and are important tools in diagnostics, as their altered levels are a sign of disturbed homeostasis. While, in most cases, quantitation of known serum APPs is routinely performed by immunoassays, proteomics is helpful in discovery of new biomarker candidates, especially in samples other than body fluids. Besides putting APP regulation into an overall context of differentially abundant proteins, this approach can detect further details or outright new features in protein structure or specific modifications, and help understand better their function. Thus, it can show up ways to make present diagnostic assays more sensitive and/or specific, or correlate regulations of disease-specific proteins. The APP repertoire is dependent on the species. The pig is both, an important farm animal and a model animal for human diseases, due to similarities in physiology. Besides reviewing existing literature, yet unpublished examples for two-dimensional electrophoresis in connection with pig APPs highlight some of the benefits of proteomics. Of further help would be the emerging targeted proteomics, offering the possibility to determine particular isoforms or proteoforms, without the need of specific antibodies, but this method is presently scarcely used in veterinary medicine.
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Affiliation(s)
- Ingrid Miller
- Institut für Medizinische Biochemie, Veterinärmedizinische Universität Wien, Veterinärplatz 1, A-1210, Wien, Austria.
| | - Elisabetta Gianazza
- Dipartimento di Scienze Farmacologiche e Biomolecolari, Università degli Studi di Milano, Via Balzaretti 9, I-20133, Milano, Italy
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Saco Y, Peña R, Matas-Quintanilla M, Ibáñez-López FJ, Piñeiro M, Sotillo J, Bassols A, Gutiérrez AM. Influence of the circadian cycle, sex and production stage on the reference values of parameters related to stress and pathology in porcine saliva. Porcine Health Manag 2023; 9:42. [PMID: 37773175 PMCID: PMC10541711 DOI: 10.1186/s40813-023-00337-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 09/17/2023] [Indexed: 10/01/2023] Open
Abstract
BACKGROUND The concentration of biomarkers in saliva could be influenced by several factors not related to the specific condition under analyses, which should be considered for proper clinical interpretation. In the present study, the circadian rhythm of C-reactive protein (CRP), haptoglobin (Hp), Pig-MAP, S100A12, Cu, Zn, Adenosine deaminase (ADA), total protein (TP), total antioxidant capacity (TAC), total oxidant status (TOS), oxidative stress index (OSI), cortisol and α-amylase in saliva of 20 female and 20 male pigs was investigated. Moreover, the influence of sex and production phase (post-weaning, fattening and finishing) on the concentrations of biomarkers in a total of 414 healthy pigs was studied and the reference intervals for all salivary biomarkers were calculated accordingly. RESULTS All parameters except Pig-MAP, OSI and α-amylase varied significantly along the daytime, and most of them peak around early afternoon (13-15 h). The cosinor analysis described the temporal dynamics of circadian rhythms for all parameters. The range values showed differences between male and female pigs in 8 out of the 13 biomarkers, with higher concentrations in females in comparison to male pigs. The influence of the production phase on the salivary concentrations was observed for all the biomarkers. The highest concentrations were observed for Pig-MAP, S100A12 and α-amylase in post-weaning animals, for TP in growing pigs and for OSI in finishing animals. Most of the sex-influenced biomarkers showed the highest concentrations at growing stages with some exceptions such as ADA or Hp that showed the peak at finishing and post-weaning stages respectively. CONCLUSIONS It is necessary to establish the optimal daytime for routine saliva sampling to avoid circadian variations and for that end, the time interval between 10:00 a.m. to 12:00 a.m. is highly recommended. The factors sex and production phase influence the concentration of biomarkers and should be considered for proper biomarker interpretation. The reference intervals presented here for each salivary biomarker will help to correctly interpret the results of these analytes and contribute to the use of saliva as a non-invasive sample for the diagnosis and monitoring of the health status of swine farms.
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Affiliation(s)
- Y Saco
- Departament de Bioquímica i Biologia Molecular i Servei de Bioquímica Clínica Veterinària, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193, Spain
| | - R Peña
- Departament de Bioquímica i Biologia Molecular i Servei de Bioquímica Clínica Veterinària, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193, Spain
| | - M Matas-Quintanilla
- BioVetMed Research Group, Department of Animal Medicine and Surgery, Veterinary School, CEIR Campus Mare Nostrum (CMN), University of Murcia, Murcia, 30100, Spain
| | - F J Ibáñez-López
- Department of Didactic of Maths and Social Sciences, CEIR Campus Mare Nostrum (CMN), University of Murcia, Murcia, 30008, Spain
| | - M Piñeiro
- Acuvet Biotech, C/Bari 25, Zaragoza, 50197, Spain
| | - J Sotillo
- BioVetMed Research Group, Department of Animal Medicine and Surgery, Veterinary School, CEIR Campus Mare Nostrum (CMN), University of Murcia, Murcia, 30100, Spain
| | - A Bassols
- Departament de Bioquímica i Biologia Molecular i Servei de Bioquímica Clínica Veterinària, Facultat de Veterinària, Universitat Autònoma de Barcelona, Bellaterra, 08193, Spain
| | - A M Gutiérrez
- BioVetMed Research Group, Department of Animal Medicine and Surgery, Veterinary School, CEIR Campus Mare Nostrum (CMN), University of Murcia, Murcia, 30100, Spain.
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Saco Y, Bassols A. Acute phase proteins in cattle and swine: A review. Vet Clin Pathol 2023; 52 Suppl 1:50-63. [PMID: 36526287 DOI: 10.1111/vcp.13220] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 09/30/2022] [Accepted: 11/08/2022] [Indexed: 12/23/2022]
Abstract
The major acute phase proteins (APPs) in cattle are haptoglobin (Hp) and serum amyloid A (SAA), and in swine, are Hp, SAA, C-reactive protein (CRP), and Pig major acute phase protein (Pig-MAP). Many methodologic assays are presently available to measure these parameters, which are still being improved to increase their specificity, sensitivity, user-friendliness, and economic availability. In cattle, the main applications are the diagnosis and monitoring of frequent diseases such as mastitis and metritis in dairy cows and respiratory problems in young calves. In pigs, APPs are useful in the control of bacterial and viral infections, and they may be used at the slaughterhouse to monitor subclinical pathologies and improve food safety. The utility of APP in animal production must not be forgotten; optimization of protocols to improve performance, welfare, and nutrition may benefit from the use of APPs. Other sample types besides serum or plasma have potential uses; APP determination in milk is a powerful tool in the control of mastitis, saliva is a non-invasive sample type, and meat juice is easily obtained at the slaughterhouse. Increasing our knowledge of reference intervals and the influence of variables such as age, breed, sex, and the season is important. Finally, worldwide harmonization and standardization of analytical procedures will help to expand the use of APPs.
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Affiliation(s)
- Yolanda Saco
- Departament de Bioquímica i Biologia Molecular, Servei de Bioquímica Clínica Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
| | - Anna Bassols
- Departament de Bioquímica i Biologia Molecular, Servei de Bioquímica Clínica Veterinària, Universitat Autònoma de Barcelona, Cerdanyola del Vallès, Spain
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Abundance of plasma proteins in response to divergent ratios of dietary ω6:ω3 fatty acids in gestating and lactating sows using a quantitative proteomics approach. J Proteomics 2022; 260:104562. [DOI: 10.1016/j.jprot.2022.104562] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/07/2022] [Accepted: 03/15/2022] [Indexed: 11/23/2022]
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Soler L, García N, Andrés M, Armengol R, Lampreave F, Alava MA, Piñeiro M. Development and validation of an ELISA for the quantification of bovine ITIH4 in serum and milk. Vet Immunol Immunopathol 2019; 217:109922. [PMID: 31450165 DOI: 10.1016/j.vetimm.2019.109922] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 07/31/2019] [Accepted: 08/07/2019] [Indexed: 12/12/2022]
Abstract
Inter alpha trypsin inhibitor heavy chain 4 (ITIH4) is a serum protein belonging to the Inter alpha trypsin inhibitor (ITI) family, which was previously characterized by our group as a new APP in cattle. This protein was firstly described in pigs where is known to be a major acute phase protein, also denominated Pig-MAP. Increases of ITIH4 of up to 12 times the pre-infection values were previously reported in the serum of heifers with experimentally induced summer mastitis. ITIH4 was detected in the milk of cows with mastitis by western blot, but the method previously used to quantify this protein, radial immunodiffusion, was not sensitive enough to quantify it in milk samples. In this study we developed an ELISA method which allows the quantification of bovine ITIH4 in serum and milk samples. Previously developed antibodies were used to perform the assay, including anti bovine ITIH4 polyclonal antibodies and a monoclonal antibody against pig ITIH4 that also recognizes the bovine homologous protein. The ELISA developed showed an adequate precision, with inter and intra- assay coefficients of variation lower than 10% for serum and milk samples. The assay keeps linearity under dilution for both serum and milk samples. A good agreement was observed between the values measured by ELISA and radial immunodiffusion in serum samples.
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Affiliation(s)
- Lourdes Soler
- Acuvet Biotech, C/ Bari 25 dpdo, 50197, Zaragoza, Spain; Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Natalia García
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Marta Andrés
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - Ramón Armengol
- Departament de Ciència Animal, ETSEA, University of Lleida, Av. Alcalde Rovira Roure 191, E25198, Lleida, Spain
| | - Fermín Lampreave
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
| | - María A Alava
- Departamento de Bioquímica y Biología Molecular y Celular, Facultad de Ciencias, Universidad de Zaragoza, Pedro Cerbuna 12, 50009, Zaragoza, Spain
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Zhang MY, Li X, Zhang XH, Liu HG, Li JH, Bao J. Effects of confinement duration and parity on stereotypic behavioral and physiological responses of pregnant sows. Physiol Behav 2017; 179:369-376. [DOI: 10.1016/j.physbeh.2017.07.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Revised: 07/07/2017] [Accepted: 07/07/2017] [Indexed: 01/14/2023]
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Morales J, Dereu A, Manso A, de Frutos L, Piñeiro C, Manzanilla EG, Wuyts N. Surgical castration with pain relief affects the health and productive performance of pigs in the suckling period. Porcine Health Manag 2017; 3:18. [PMID: 28879020 PMCID: PMC5585944 DOI: 10.1186/s40813-017-0066-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 07/07/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Surgical castration is still practiced in many EU countries to avoid undesirable aggressive behavior and boar taint in male pigs. However, evidence shows that castration is painful and has a detrimental influence on pig health. This study investigated the clinical and productive effects of surgical castration in the suckling period. A total of 3696 male pigs, 3 to 6 days old, comprising of 721 litters from two different farms were included in the study. Within each litter, half of the males were kept as intact males (IM) and half were surgically castrated (CM). Surgical castration was conducted by a trained farmer. Average daily gain (ADG), body weight at weaning (BWW), percentage of pre-weaning mortality (PWM) and antibiotic usage were measured. Pig major acute phase protein (PigMAP) serum concentrations were analyzed prior to castration, and on days 1 and 10 after castration. Productive performance data were analyzed using a linear mixed model. Mortality and percentage of pigs treated with antibiotics were analyzed using the Fisher's exact test. RESULTS No overall differences in BWW and ADG were observed between the two groups. However, differences were observed when the same effects were analyzed in the 25% lightest, 50% medium and 25% heaviest pigs at birth. PWM was higher in CM than in IM groups (6.3% vs 3.6%; p < 0.001), especially in the light (12.2% vs 6.2%; p = 0.02) and in the medium (5.5% vs 2.7%; p = 0.04) weight groups. In the heaviest pigs group PWM was not affected by castration, but IM tended to show higher ADG (p = 0.06) and showed higher BWW (8.0 kg vs 7.8 kg; p = 0.05) than CM. There were no differences in percentage of pigs treated with antibiotics between the two groups (5.8% vs 5.8%; p = 0.98) in this study. Furthermore, PigMAP was increased in CM the day after castration (0.944 mg/ml vs 0.847 mg/ml; p = 0.025), but there was no difference between CM and IM groups at day 10. CONCLUSIONS Surgical castration has a negative impact on production in the suckling period because it causes an increase in PWM, especially in pigs in the three lower quartiles for body weight, and negatively affects the BWW in pigs born in the highest quartile for body weight.
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Affiliation(s)
- Joaquin Morales
- PigCHAMP Pro Europa S.L. c, Santa Catalina, 10, Segovia, Spain
| | - Andre Dereu
- Zoetis Inc, Hoge Wei 10, 1930 Zaventem, Belgium
| | - Alberto Manso
- PigCHAMP Pro Europa S.L. c, Santa Catalina, 10, Segovia, Spain
| | - Laura de Frutos
- PigCHAMP Pro Europa S.L. c, Santa Catalina, 10, Segovia, Spain
| | - Carlos Piñeiro
- PigCHAMP Pro Europa S.L. c, Santa Catalina, 10, Segovia, Spain
| | | | - Niels Wuyts
- Zoetis Inc, Hoge Wei 10, 1930 Zaventem, Belgium
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Chen Y, Harrington BS, Lau KCN, Burke LJ, He Y, Iconomou M, Palmer JS, Meade B, Lumley JW, Hooper JD. Development of an enzyme-linked immunosorbent assay for detection of CDCP1 shed from the cell surface and present in colorectal cancer serum specimens. J Pharm Biomed Anal 2017; 139:65-72. [PMID: 28279929 DOI: 10.1016/j.jpba.2017.02.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2016] [Revised: 02/23/2017] [Accepted: 02/26/2017] [Indexed: 11/17/2022]
Abstract
CUB domain containing protein 1 (CDCP1) is a transmembrane protein involved in progression of several cancers. When located on the plasma membrane, full-length 135kDa CDCP1 can undergo proteolysis mediated by serine proteases that cleave after two adjacent amino acids (arginine 368 and lysine 369). This releases from the cell surface two 65kDa fragments, collectively termed ShE-CDCP1, that differ by one carboxyl terminal residue. To evaluate the function of CDCP1 and its potential utility as a cancer biomarker, in this study we developed an enzyme-linked immunosorbent assay (ELISA) to reliably and easily measure the concentration of ShE-CDCP1 in biological samples. Using a reference standard we demonstrate that the developed ELISA has a working range of 0.68-26.5ng/ml, and the limit of detection is 0.25ng/ml. It displays high intra-assay (repeatability) and high inter-assay (reproducibility) precision with all coefficients of variation ≤7%. The ELISA also displays high accuracy detecting ShE-CDCP1 levels at ≥94.8% of actual concentration using quality control samples. We employed the ELISA to measure the concentration of ShE-CDCP1 in human serum samples with our results suggesting that levels are significantly higher in serum of colorectal cancer patients compared with serum from individuals with benign conditions (p<0.05). Our data also suggest that colorectal cancer patients with stage II-IV disease have at least 50% higher serum levels of ShE-CDCP1 compared with stage I cases (p<0.05). We conclude that the developed ELISA is a suitable method to quantify ShE-CDCP1 concentration in human serum.
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Affiliation(s)
- Yang Chen
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia
| | - Brittney S Harrington
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia
| | - Kevin C N Lau
- School of Medicine, The University of Queensland, Brisbane, Qld 4072, Australia
| | - Lez J Burke
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia
| | - Yaowu He
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia
| | - Mary Iconomou
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Kelvin Grove, Qld 4059, Australia
| | - James S Palmer
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia
| | - Brian Meade
- Colorectal Unit, Princess Alexandra Hospital, Woolloongabba Qld 4102, Australia
| | | | - John D Hooper
- Mater Research Institute - The University of Queensland, Translational Research Institute, Woolloongabba, Qld 4102, Australia.
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Piñeiro M, Morales J, Vizcaíno E, Murillo JA, Klauke T, Petersen B, Piñeiro C. The use of acute phase proteins for monitoring animal health and welfare in the pig production chain: The validation of an immunochromatographic method for the detection of elevated levels of pig-MAP. Meat Sci 2013; 95:712-8. [DOI: 10.1016/j.meatsci.2013.03.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2012] [Revised: 03/08/2013] [Accepted: 03/11/2013] [Indexed: 12/01/2022]
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12
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Klauke TN, Gronewold TM, Perpeet M, Plattes S, Petersen B. Measurement of porcine haptoglobin in meat juice using surface acoustic wave biosensor technology. Meat Sci 2013; 95:699-703. [DOI: 10.1016/j.meatsci.2013.03.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 03/19/2013] [Accepted: 03/20/2013] [Indexed: 10/27/2022]
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13
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Coherence of animal health, welfare and carcass quality in pork production chains. Meat Sci 2013; 95:704-11. [DOI: 10.1016/j.meatsci.2013.03.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 02/28/2013] [Accepted: 03/11/2013] [Indexed: 11/19/2022]
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14
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Morales J, Cordero G, Piñeiro C, Durosoy S. Zinc oxide at low supplementation level improves productive performance and health status of piglets. J Anim Sci 2013; 90 Suppl 4:436-8. [PMID: 23365402 DOI: 10.2527/jas.53833] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Use of ZnO at high doses (3000 ppm) for diarrhea prophylaxis in piglets is widely extended in postweaning Spanish diets, in compliance with the national veterinary regulation. However, European feed legislation limits total dietary Zn to a maximum of 150 mg/kg of complete feed. The objective of this study was to compare a new potentiated form of ZnO, HiZox (Animine), at nutritional level (150 ppm) with pharmacological dosage (3000 ppm) of regular ZnO in starter diets on the productive performance and health status of piglets in a medium-low health status farm. A total of 144 pigs at weaning (28 d of age) were distributed in 6 piglets/pen and 12 pens/treatment. In the prestarter phase (28 to 42 d of age), all pigs received the same commercial feed, including 3000 ppm ZnO. In the starter phase (42 to 63 d of age) (T1) included 3000 ppm of regular ZnO (2500 ppm Zn), and (T2) was supplemented with 110 ppm Zn from potentiated ZnO (HiZox). Average daily feed intake, ADG, G:F, and pig-MAP serum concentration, an acute phase protein commonly used as unspecific biomarker of disease or other acute phase reactions, were measured at 42 and 63 d of life. Pen of 6 piglets was the experimental unit and data were analyzed using the GLM procedure of SAS version 9.0. Piglets fed with T2-HiZox had improved ADG and G:F (P < 0.001) compared to piglets fed with T1-ZnO. In addition, at 63 d of age, the T2 group had a lower pig-MAP serum concentration than T1 group (1.71 vs. 0.95 μg/mL; P < 0.05) indicating higher health status in the T2 group. In conclusion, in low-medium sanitary conditions and in compliance with European regulation, HiZox significantly increased piglet growth compared to pharmacological dosage of regular ZnO in the starter phase. This can be explained by a better health of pigs expressed by a lower level of inflammatory protein pig-MAP.
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Abstract
Acute phase proteins (APP) were first identified in the early 1900s as early reactants to infectious disease. They are now understood to be an integral part of the acute phase response (APR) which is the cornerstone of innate immunity. APP have been shown to be valuable biomarkers as increases can occur with inflammation, infection, neoplasia, stress, and trauma. All animals--from fish to mammals--have demonstrable APP, but the type of major APP differs by species. While the primary application of these proteins in a clinical setting is prognostication, studies in animals have demonstrated relevance to diagnosis and detection and monitoring for subclinical disease. APP have been well documented in laboratory, companion, and large animals. With the advent of standardized and automated assays, these biomarkers are available for use in all fields of veterinary medicine as well as basic and clinical research.
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Heegaard PMH, Stockmarr A, Piñeiro M, Carpintero R, Lampreave F, Campbell FM, Eckersall PD, Toussaint MJM, Gruys E, Sorensen NS. Optimal combinations of acute phase proteins for detecting infectious disease in pigs. Vet Res 2011; 42:50. [PMID: 21414190 PMCID: PMC3072945 DOI: 10.1186/1297-9716-42-50] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2010] [Accepted: 03/17/2011] [Indexed: 11/16/2022] Open
Abstract
The acute phase protein (APP) response is an early systemic sign of disease, detected as substantial changes in APP serum concentrations and most disease states involving inflammatory reactions give rise to APP responses. To obtain a detailed picture of the general utility of porcine APPs to detect any disease with an inflammatory component seven porcine APPs were analysed in serum sampled at regular intervals in six different experimental challenge groups of pigs, including three bacterial (Actinobacillus pleuropneumoniae, Streptococcus suis, Mycoplasma hyosynoviae), one parasitic (Toxoplasma gondii) and one viral (porcine respiratory and reproductive syndrome virus) infection and one aseptic inflammation. Immunochemical analyses of seven APPs, four positive (C-reactive protein (CRP), haptoglobin (Hp), pig major acute phase protein (pigMAP) and serum amyloid A (SAA)) and three negative (albumin, transthyretin, and apolipoprotein A1 (apoA1)) were performed in the more than 400 serum samples constituting the serum panel. This was followed by advanced statistical treatment of the data using a multi-step procedure which included defining cut-off values and calculating detection probabilities for single APPs and for APP combinations. Combinations of APPs allowed the detection of disease more sensitively than any individual APP and the best three-protein combinations were CRP, apoA1, pigMAP and CRP, apoA1, Hp, respectively, closely followed by the two-protein combinations CRP, pigMAP and apoA1, pigMAP, respectively. For the practical use of such combinations, methodology is described for establishing individual APP threshold values, above which, for any APP in the combination, ongoing infection/inflammation is indicated.
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Affiliation(s)
- Peter M H Heegaard
- Innate Immunology Group, National Veterinary Institute, Technical University of Denmark, 1790 Copenhagen V, Denmark.
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Huang ZY, Chen M, Pan SR, Chen DH. Effect of surface microstructure and wettability on plasma protein adsorption to ZnO thin films prepared at different RF powers. Biomed Mater 2010; 5:054116. [DOI: 10.1088/1748-6041/5/5/054116] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Fàbrega E, Velarde A, Cros J, Gispert M, Suárez P, Tibau J, Soler J. Effect of vaccination against gonadotrophin-releasing hormone, using Improvac®, on growth performance, body composition, behaviour and acute phase proteins. Livest Sci 2010. [DOI: 10.1016/j.livsci.2010.04.021] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Piñeiro M, Gymnich S, Knura S, Piñeiro C, Petersen B. Meat juice: An alternative matrix for assessing animal health by measuring acute phase proteins. Correlations of pig-MAP and haptoglobin concentrations in pig meat juice and plasma. Res Vet Sci 2009; 87:273-6. [PMID: 19395045 DOI: 10.1016/j.rvsc.2009.03.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2008] [Revised: 12/04/2008] [Accepted: 03/16/2009] [Indexed: 10/20/2022]
Abstract
Quantification of acute phase proteins (APPs) in blood can be used for monitoring animal health and welfare on farms, and could be also of interest for the detection of diseased animals during the meat inspection process. However serum or plasma is not always available for end-point analysis at slaughter. Meat juice might provide an adequate, alternative matrix that can be easily obtained for post-mortem analysis at abattoirs. The concentrations of pig Major Acute phase Protein (pig-MAP) and haptoglobin, two of the main APPs in pigs, were determined in approximately 300 paired samples of plasma and meat juice from the diaphragm (pars costalis), obtained after freezing and thawing the muscle. APPs concentrations in meat juice were closely correlated to those in plasma (r=0.695 for haptoglobin, r=0.858 for pig-MAP, p<0.001). These results open new possibilities for the assessment of animal health in pig production, with implications for food safety and meat quality.
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Affiliation(s)
- M Piñeiro
- PigCHAMP Pro Europa S.A., Gremio de los Segovianos, 13, Pol Ind Hontoria, 40195 Hontoria, Segovia, Spain.
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Grau-Roma L, Heegaard PMH, Hjulsager CK, Sibila M, Kristensen CS, Allepuz A, Piñeiro M, Larsen LE, Segalés J, Fraile L. Pig-major acute phase protein and haptoglobin serum concentrations correlate with PCV2 viremia and the clinical course of postweaning multisystemic wasting syndrome. Vet Microbiol 2009; 138:53-61. [PMID: 19356864 DOI: 10.1016/j.vetmic.2009.03.005] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2008] [Revised: 02/03/2009] [Accepted: 03/02/2009] [Indexed: 02/02/2023]
Abstract
The aim of the present longitudinal study was to assess the evolution of two acute phase proteins (APPs), pig-major acute phase protein (pig-MAP) and haptoglobin (HPT), in serum from pigs that developed postweaning multisystemic wasting syndrome (PMWS) in comparison to healthy and wasted non-PMWS affected pigs. In addition, evidence of infection with other pathogens and its relation with variations in APPs concentrations was also assessed. Fourteen independent batches of 100-154 pigs were monitored from birth to PMWS outbreak occurrence in 11 PMWS affected farms. Pigs displaying PMWS-like signs and age-matched healthy controls were euthanized during the clinical outbreak. PMWS was diagnosed according to internationally accepted criteria and pigs were classified as: (i) PMWS cases, (ii) wasted non-PMWS cases and (iii) healthy pigs. At the moment of PMWS occurrence, pig-MAP and HPT concentration in PMWS affected pigs were higher than in healthy ones (p<0.0001). No differences in APPs serum concentrations between subclinically PCV2-infected pigs and healthy non-PCV2-infected pigs (based on quantitative PCR on serum results) were detected. Results showed a significant correlation between PCV2 loads and both pig-MAP (R=0.487-0.602, p<0.0001) and HPT (R=0.326-0.550, p<0.05-0.0001) concentrations in serum of PMWS affected pigs, indicating that the acute phase response in PMWS affected pigs occurred concomitantly to PCV2 viremia. No other pathogen, apart from PCV2, was consistently related with variations in APPs concentrations. A ROC analysis, made to determine the capacity of discrimination of both APPs between PMWS affected and non-affected pigs, showed higher sensitivity and specificity values using pig-MAP compared to HPT. These results suggest that pig-MAP might be a better indicator of PMWS status than HPT. Moreover, the fact that APR occurred some weeks before the start of clinical signs suggests that APPs could provide valuable prognostic information for PMWS development.
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Affiliation(s)
- L Grau-Roma
- Centre de Recerca en Sanitat Animal, UAB-IRTA, Campus de la Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
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