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Bechaux J, Ferraro V, Sayd T, Chambon C, Le Page JF, Drillet Y, Gatellier P, Santé-Lhoutellier V. Workflow towards the generation of bioactive hydrolysates from porcine products by combining in silico and in vitro approaches. Food Res Int 2020; 132:109123. [PMID: 32331690 DOI: 10.1016/j.foodres.2020.109123] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 02/19/2020] [Accepted: 02/21/2020] [Indexed: 12/28/2022]
Abstract
Food-derived bioactive peptides have generated an increasing interest in the field of health and well-being research. They can act either against the metabolic syndrome, participate in regulating the oxidation balance or act on the immune system. The aim of this study is to develop a workflow to generate bioactive peptides from three porcine offals namely, heart, liver, and lung and one muscle the Longissimus Dorsi, by combining in silico and in vitro approaches. Bioinformatics tools (e.i. BIOPEP and Uniprot) permitted to orientate the choice of enzymes for generating abundant bioactive peptides from the four studied porcine products. With papain and subtilisin, the main bioactivities potentially released were ACE inhibitors, DPP4 inhibitors and antioxidant peptides. An in vitro validation study using papain and subtilisin demonstrated high DPP4 inhibitors and antioxidant bioactivities for the generation of peptides. This work allowed: i) the identification of all proteins that composed porcine heart, liver, lung and LD muscle that could be useful for the scientific community, ii) the development of a workflow to select most abundant proteins in a product while considering abundance factors and iii) the potential of porcine meat and offals to generate DPP4 inhibitors and antioxidant peptides. However, there is still a need in developing new tools in order to face limitations of mass spectrometry for the identification of peptides with less than six amino acids. Such a work may contribute to the development of the circular economy and the innovative creation of value-added products from animal production.
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Affiliation(s)
- Julia Bechaux
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Biochimie des protéines du muscle (BPM), Site de Theix, 63122 Saint Genès Champanelle, France; Cooperl Innovation, BU Ingrédients, Site de Lamballe, 22400 Lamballe, France
| | - Vincenza Ferraro
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Biochimie des protéines du muscle (BPM), Site de Theix, 63122 Saint Genès Champanelle, France
| | - Thierry Sayd
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Biochimie des protéines du muscle (BPM), Site de Theix, 63122 Saint Genès Champanelle, France
| | - Christophe Chambon
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Plateforme exploration du métabolisme (PFEM), Site de Theix, 63122 Saint Genès Champanelle, France
| | | | - Yoan Drillet
- Cooperl Innovation, BU Ingrédients, Site de Lamballe, 22400 Lamballe, France
| | - Philippe Gatellier
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Biochimie des protéines du muscle (BPM), Site de Theix, 63122 Saint Genès Champanelle, France
| | - Véronique Santé-Lhoutellier
- INRAE, UR 370, Qualité des produits animaux (QuaPA), Biochimie des protéines du muscle (BPM), Site de Theix, 63122 Saint Genès Champanelle, France.
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A comparative analysis of label-free liquid chromatography-mass spectrometry liver proteomic profiles highlights metabolic differences between pig breeds. PLoS One 2018; 13:e0199649. [PMID: 30208024 PMCID: PMC6135354 DOI: 10.1371/journal.pone.0199649] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/28/2018] [Indexed: 02/01/2023] Open
Abstract
The liver is a complex organ governing several physiological processes that define biological mechanisms affecting growth, feed efficiency and performance traits in all livestock species, including pig. Proteomics may contribute to a better understanding of the relationship between liver functions and complex production traits in pigs and to characterize this species as biomedical model. This study applied, for the first time, a label‐free liquid chromatography-mass spectrometry (LC‐MS) proteomic approach to compare the liver proteome profiles of two important heavy pig breeds, Italian Duroc and Italian Large White. Liver specimens were collected (after slaughtering) from performance tested pigs of these two breeds, raised in standard conditions. The label‐free LC‐MS method captured a total of 501 proteins of which 200 were subsequently considered in the between breeds comparison. A statistical pipeline based on the sparse Partial Least Squares Discriminant Analysis (sPLS-DA), coupled with stability and significance tests, was applied for the identification of up or down regulated proteins between breeds. This analysis revealed a total of 25 proteins clearly separating Italian Duroc and Italian Large White pigs. Among the top proteins differentiating the two breeds, 3-ketoacyl-CoA thiolase, mitochondrial (ACAA2) and histone H2B type 2-F (HIST2H2BF) were up-regulated in Italian Duroc pigs and carboxylesterase 3 (CES3) and ketohexokinase (KHK) were up-regulated in Italian Large White pigs. Fatty acid synthase (FASN), involved in fatty acid metabolism and encoded by a gene located in a QTL region for fatty acid composition, was up-regulated in Italian Large White pigs. The in silico protein interaction analysis showed that 16 of these proteins were connected in one big module. Bioinformatic functional analysis indicated that differentially expressed proteins were involved in several biological processes related to the metabolism of lipids, amino-acids, carbohydrates, cofactors and antibiotics/drugs, suggesting that these functions might distinguish Italian Duroc and Italian Large White pigs. This pilot comparative proteomic analysis of the porcine liver highlighted several biological factors that could determine the peculiar production potentials of these two heavy pig breeds, derived by their different genetic backgrounds.
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Ceciliani F, Restelli L, Lecchi C. Proteomics in farm animals models of human diseases. Proteomics Clin Appl 2014; 8:677-88. [PMID: 24595991 DOI: 10.1002/prca.201300080] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2013] [Revised: 11/18/2013] [Accepted: 01/14/2014] [Indexed: 12/21/2022]
Abstract
The need to provide in vivo complex environments to understand human diseases strongly relies on the use of animal models, which traditionally include small rodents and rabbits. It is becoming increasingly evident that the few species utilised to date cannot be regarded as universal. There is a great need for new animal species that are naturally endowed with specific features relevant to human diseases. Farm animals, including pigs, cows, sheep and horses, represent a valid alternative to commonly utilised rodent models. There is an ample scope for the application of proteomic techniques in farm animals, and the establishment of several proteomic maps of plasma and tissue has clearly demonstrated that farm animals provide a disease environment that closely resembles that of human diseases. The present review offers a snapshot of how proteomic techniques have been applied to farm animals to improve their use as biomedical models. Focus will be on specific topics of biomedical research in which farm animal models have been characterised through the application of proteomic techniques.
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Affiliation(s)
- Fabrizio Ceciliani
- Department of Veterinary Sciences and Public Health, Università di Milano, Milan, Italy; Interdepartmental Centre for Studies on Mammary Gland, Università di Milano, Milan, Italy
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Caperna TJ, Shannon AE, Garrett WM, Ramsay TG, Blomberg LA, Elsasser TH. Identification and characterization of a nuclear factor-κ B-p65 proteolytic fragment in nuclei of porcine hepatocytes in monolayer culture. Domest Anim Endocrinol 2013; 45:154-62. [PMID: 24011531 DOI: 10.1016/j.domaniend.2013.08.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 08/12/2013] [Accepted: 08/12/2013] [Indexed: 01/12/2023]
Abstract
Hepatic responses to proinflammatory signals are controlled by the activation of several transcription factors, including, nuclear factor-κ B (NF-κB). In this study, hepatocytes prepared from suckling pigs and maintained in serum-free monolayer culture were used to define a novel proinflammatory cytokine-specific NF-κB subunit modification. The immunoreactive p65 protein was detected by Western blot analysis at the appropriate molecular weight in the cytosol of control cultures and those incubated with tumor necrosis factor-α (TNF). However, in nuclei, the p65 antisera cross-reacted with a protein of approximately 38 kDa (termed p38) after TNF addition, which was not observed in the cytosol of control or cytokine-treated cells. Specifically, incubation with TNF also resulted in phosphorylation (P < 0.05) of the inhibitor complex protein (IκB), whereas incubation with other cytokines, IL-6, IL-17a, or oncostatin M was not associated with either phosphorylation of IκB or nuclear translocation of p65. Intracellular endothelial nitric oxide synthase was deceased (P < 0.05) and plasminogen activator inhibitor-1 secretion was increased (P < 0.05) after TNF incubation. The TNF-induced p38 protein was purified from hepatocyte nuclei by immunoprecipitation, concentrated by electrophoresis, and subsequently analyzed by mass spectrometry. Ten unique NF-κB p65 peptides were identified after digestion with trypsin and chymotrypsin; however, all were mapped to the N-terminus and within the first 310 amino acid residues of the intact p65 protein. Although low molecular weight immunoreactive p65 molecules were previously observed in various human and rodent systems, this is the first report to positively identify the p38 fragment within hepatocyte nuclei or after specific cytokine (TNF) induction.
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Affiliation(s)
- T J Caperna
- Animal Biosciences and Biotechnology Laboratory, Beltsville Agricultural Research Center, USDA, Agricultural Research Service, Bldg 200, Rm 202, BARC-East, Beltsville, MD 20705, USA.
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Gutiérrez AM, Nöbauer K, Soler L, Razzazi-Fazeli E, Gemeiner M, Cerón JJ, Miller I. Detection of potential markers for systemic disease in saliva of pigs by proteomics: a pilot study. Vet Immunol Immunopathol 2012. [PMID: 23177629 DOI: 10.1016/j.vetimm.2012.10.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Animals with different health status have been studied in order to extend the knowledge about protein composition of porcine saliva samples and to discover potential salivary markers for systemic disease in porcine production. Clinical examination of animals was performed at farm level where 10 healthy pigs and 10 animals with evident clinical signs of disease were randomly selected. Saliva and blood samples were obtained and afterwards animals were humanely sacrificed to perform a complete necropsy. Levels of two acute phase proteins, haptoglobin and C-reactive protein, were used to identify possible active infections of the animals. Moreover, serological analysis, to the main porcine infectious diseases in the area, was performed. Salivary proteins were separated by two-dimensional gel electrophoresis followed by mass spectrometry for the identification of specific proteins. A total of 58 spots out of 75 were successfully identified by MS, which correspond to 20 unique proteins. Two different approaches were used to perform a statistical comparison of saliva protein patterns from healthy and diseased animals using the relative spot volume (% spot volume/total volume of all spot in the gel, approach "A") or taking also into account the total protein content of each saliva sample (μg of spot/mL of saliva, approach "B"). Both analyses showed three proteins in common that are differentially regulated between states. However, approach B was selected for biomarker searching since it gave an estimation of protein concentration and showed differential expression of proteins between both health states in a total of 10 proteins, which were up-regulated in disease. Mass spectrometric analysis identified those proteins as salivary lipocalin, lipocalin 1, double headed protease inhibitor protein, adenosine deaminase, haptoglobin, albumin fragments, S100-A8, S100-A9, S100-A12 and pancreatic alpha amylase. These proteins could be considered as potential salivary markers of disease.
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Affiliation(s)
- A M Gutiérrez
- Department of Animal Medicine and Surgery, Regional Campus of International Excellence Campus Mare Nostrum, University of Murcia, 30100 Espinardo, Murcia, Spain
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Bertram HC, Larsen LB, Chen X, Jeppesen PB. Impact of high-fat and high-carbohydrate diets on liver metabolism studied in a rat model with a systems biology approach. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2012; 60:676-684. [PMID: 22224854 DOI: 10.1021/jf203994k] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
The aim of the present study was to investigate the use of an integrated metabolomics and proteomics approach in the elucidation of diet-induced effects on hepatic metabolism in a rat model. Nuclear magnetic resonance (NMR)-based metabolomics of liver extracts revealed a pronounced effect of a high-fat diet on the hepatic betaine content, whereas a carbohydrate-rich diet induced increases in hepatic glucose. In addition, the metabolomic investigations revealed that the high-fat diet was associated with increased hepatic lipid levels, which was not evident with the carbohydrate-rich diet. The proteomic investigations revealed strong high-fat diet effects on the expression of 186 proteins in the liver including malate dehydrogenase. Comparison of malate dehydrogenase expression determined by proteomics and NMR metabolite profiles revealed correlations between malate dehydrogenase and lactate, glucose, and glutamine/glutamate signals, thereby demonstrating a diet-induced regulation that was evident at both proteomic and metabolomic levels.
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Iron dextran treatment does not induce serum protein carbonyls in the newborn pig. Animal 2012; 6:79-86. [DOI: 10.1017/s1751731111001303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Bendixen E, Danielsen M, Hollung K, Gianazza E, Miller I. Farm animal proteomics — A review. J Proteomics 2011; 74:282-93. [DOI: 10.1016/j.jprot.2010.11.005] [Citation(s) in RCA: 108] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Revised: 11/04/2010] [Accepted: 11/05/2010] [Indexed: 11/28/2022]
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Verma N, Rettenmeier AW, Schmitz-Spanke S. Recent advances in the use of Sus scrofa
(pig) as a model system for proteomic studies. Proteomics 2011; 11:776-93. [DOI: 10.1002/pmic.201000320] [Citation(s) in RCA: 130] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2010] [Revised: 08/30/2010] [Accepted: 09/06/2010] [Indexed: 12/11/2022]
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Caperna TJ, Shannon AE, Blomberg LA, Garrett WM, Ramsay TG. Identification of protein carbonyls in serum of the fetal and neonatal pig. Comp Biochem Physiol B Biochem Mol Biol 2010; 156:189-96. [PMID: 20350615 DOI: 10.1016/j.cbpb.2010.03.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Revised: 03/16/2010] [Accepted: 03/19/2010] [Indexed: 01/01/2023]
Abstract
Oxidation of serum proteins leads to non-reversible carbonyl formation which alters their function and is associated with stress-related disease processes. The primary objective of this study was to quantify and identify oxidized serum proteins in fetal and newborn piglets. Protein carbonyls were converted to hydrazones with dinitrophenyl hydrazine and quantified spectrophotometrically. For identification, serum protein carbonyls were derivatized with biotin hydrazide, separated by 2D PAGE and stained with FITC-avidin. Biotin-labeled proteins were excised from gels and identified by mass spectrometry. At birth, carbonyls were determined to be approximately 600 pmole/mg serum protein. Fetuses at 50 and 100 days of gestation had similar levels of protein carbonyls as newborns. Carbonyl levels were also similar for control and runt (<1 kg at birth) piglets between 1 and 21 days of age; however, distribution of many proteins varied by age and was also influenced by birth weight. Major oxidized proteins identified in fetal (f) and newborn (n) pigs included; albumin (f, n), transferrin (f, n), fetuin-A (f, n) alpha fetoprotein (f, n), plasminogen (f, n), fetuin-B (f), alpha-1-antitrypsin (f, n) alpha-1-acid glycoprotein (f) and immunoglobulins (n). While abundance and distribution of oxidized proteins changed over time, these changes appear to primarily reflect relative amounts of those proteins in serum.
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Affiliation(s)
- Thomas J Caperna
- Animal Biosciences and Biotechnology Laboratory, Animal and Natural Resources Institute, Beltsville Agricultural Research Center, USDA/ARS, BARC-East, Beltsville, MD 20705, USA.
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