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Kong B, Owens C, Bottje W, Shakeri M, Choi J, Zhuang H, Bowker B. Proteomic analyses on chicken breast meat with white striping myopathy. Poult Sci 2024; 103:103682. [PMID: 38593545 PMCID: PMC11016796 DOI: 10.1016/j.psj.2024.103682] [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: 12/14/2023] [Revised: 03/15/2024] [Accepted: 03/18/2024] [Indexed: 04/11/2024] Open
Abstract
White striping (WS) is an emerging myopathy that results in significant economic losses as high as $1 billion (combined with losses derived from other breast myopathies including woody breast and spaghetti meat) to the global poultry industry. White striping is detected as the occurrence of white lines on raw poultry meat. The exact etiologies for WS are still unclear. Proteomic analyses of co-expressed WS and woody breast phenotypes previously demonstrated dysfunctions in carbohydrate metabolism, protein synthesis, and calcium buffering capabilities in muscle cells. In this study, we conducted shotgun proteomics on chicken breast fillets exhibiting only WS that were collected at approximately 6 h postmortem. After determining WS severity, protein extractions were conducted from severe WS meat with no woody breast (WB) condition (n = 5) and normal non-affected (no WS) control meat (n = 5). Shotgun proteomics was conducted by Orbitrap Lumos, tandem mass tag (TMT) analysis. As results, 148 differentially abundant proteins (|fold change|>1.4; p-value < 0.05) were identified in the WS meats compared with controls. The significant canonical pathways included BAG2 signaling pathway, glycogen degradation II, isoleucine degradation I, aldosterone signaling in epithelial cells, and valine degradation I. The potential upstream regulators include LIPE, UCP1, ATP5IF1, and DMD. The results of this study provide additional insights into the cellular mechanisms on the WS myopathy and meat quality.
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Affiliation(s)
- Byungwhi Kong
- USDA, Agricultural Research Service, U.S. National Poultry Research Center, Quality & Safety Assessment Research Unit, Athens, GA, USA.
| | - Casey Owens
- Department of Poultry Science, Division of Agriculture, University of Arkansas System, Fayetteville, AR, USA
| | - Walter Bottje
- Department of Poultry Science, Division of Agriculture, University of Arkansas System, Fayetteville, AR, USA
| | - Majid Shakeri
- USDA, Agricultural Research Service, U.S. National Poultry Research Center, Quality & Safety Assessment Research Unit, Athens, GA, USA
| | - Janghan Choi
- USDA, Agricultural Research Service, U.S. National Poultry Research Center, Quality & Safety Assessment Research Unit, Athens, GA, USA
| | - Hong Zhuang
- USDA, Agricultural Research Service, U.S. National Poultry Research Center, Quality & Safety Assessment Research Unit, Athens, GA, USA
| | - Brian Bowker
- USDA, Agricultural Research Service, U.S. National Poultry Research Center, Quality & Safety Assessment Research Unit, Athens, GA, USA
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2
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Wang Z, Khondowe P, Brannick E, Abasht B. Spatial transcriptomics reveals alterations in perivascular macrophage lipid metabolism in the onset of Wooden Breast myopathy in broiler chickens. Sci Rep 2024; 14:3450. [PMID: 38342952 PMCID: PMC10859375 DOI: 10.1038/s41598-024-53904-5] [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: 09/02/2023] [Accepted: 02/06/2024] [Indexed: 02/13/2024] Open
Abstract
This study aims to use spatial transcriptomics to characterize the cell-type-specific expression profile associated with the microscopic features observed in Wooden Breast myopathy. 1 cm3 muscle sample was dissected from the cranial part of the right pectoralis major muscle from three randomly sampled broiler chickens at 23 days post-hatch and processed with Visium Spatial Gene Expression kits (10X Genomics), followed by high-resolution imaging and sequencing on the Illumina Nextseq 2000 system. WB classification was based on histopathologic features identified. Sequence reads were aligned to the chicken reference genome (Galgal6) and mapped to histological images. Unsupervised K-means clustering and Seurat integrative analysis differentiated histologic features and their specific gene expression pattern, including lipid laden macrophages (LLM), unaffected myofibers, myositis and vasculature. In particular, LLM exhibited reprogramming of lipid metabolism with up-regulated lipid transporters and genes in peroxisome proliferator-activated receptors pathway, possibly through P. Moreover, overexpression of fatty acid binding protein 5 could enhance fatty acid uptake in adjacent veins. In myositis regions, increased expression of cathepsins may play a role in muscle homeostasis and repair by mediating lysosomal activity and apoptosis. A better knowledge of different cell-type interactions at early stages of WB is essential in developing a comprehensive understanding.
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Affiliation(s)
- Ziqing Wang
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, USA
| | - Paul Khondowe
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, USA
| | - Erin Brannick
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, USA
| | - Behnam Abasht
- Department of Animal and Food Sciences, University of Delaware, Newark, DE, USA.
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3
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Bordini M, Mazzoni M, Di Nunzio M, Zappaterra M, Sirri F, Meluzzi A, Petracci M, Soglia F. Time course evaluation of collagen type IV in Pectoralis major muscles of broiler chickens selected for different growth-rates. Poult Sci 2024; 103:103179. [PMID: 37931400 PMCID: PMC10652102 DOI: 10.1016/j.psj.2023.103179] [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: 07/28/2023] [Revised: 09/25/2023] [Accepted: 10/06/2023] [Indexed: 11/08/2023] Open
Abstract
Collagen type IV (COL4) is one of the major components of animals' and humans' basement membranes of several tissues, such as skeletal muscles and vascular endothelia. Alterations in COL4 assembly and secretion are associated to muscular disorders in humans and animals among which growth-related abnormalities such as white striping and wooden breast affecting Pectoralis major muscles (PMs) in modern fast-growing (FG) chickens. Considering the high prevalence of these myopathies in FG broilers and that a worsening is observed as the bird slaughter age is increased, the present study was intended to evaluate the distribution and the expression level of COL4 protein and its coding genes in PMs of FG broilers at different stages of muscle development (i.e., 7, 14, 21, 28, 35, and 42 d of age). Medium-growing (MG) chickens have been considered as the control group in consideration of the lower selection pressure on breast muscle growth rate and hypertrophy. Briefly, 5 PM/sampling time/genotype were selected for western blot, immunohistochemistry (IHC), and gene expression analyses. The normalized expression levels of COL4 coding genes showed an overexpression of COL4A2 in FG than MG at d 28, as well as a significant decrease in its expression over their rearing period. Overall, results obtained through the gene expression analysis suggested that selection for the hypertrophic growth of FG broilers may have led to an altered regulation of fibroblast proliferation and COL4 synthesis. Moreover, western blot and IHC analyses suggested an altered secretion and/or degradation of COL4 protein in FG broilers, as evidenced by the fluctuating trend of 2 bands observed in FG over time. In view of the above, the present research supports the evidence about a potential aberrant synthesis and/or degradation of COL4 and corroborates the hypothesis regarding a likely involvement of COL4 in the series of events underlying the growth-related abnormalities in modern FG broilers.
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Affiliation(s)
- Martina Bordini
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Maurizio Mazzoni
- Department of Veterinary Medical Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Mattia Di Nunzio
- Department of Food, Environmental and Nutritional Sciences (Defens), University of Milan, Milan, 20133, Italy
| | - Martina Zappaterra
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Federico Sirri
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Adele Meluzzi
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
| | - Massimiliano Petracci
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy.
| | - Francesca Soglia
- Department of Agricultural and Food Sciences, Alma Mater Studiorum - University of Bologna, Bologna, Italy
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4
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Pejšková L, Rønning SB, Kent MP, Solberg NT, Høst V, Thu-Hien T, Wold JP, Lunde M, Mosleth E, Pisconti A, Kolset SO, Carlson CR, Pedersen ME. Characterization of wooden breast myopathy: a focus on syndecans and ECM remodeling. Front Physiol 2023; 14:1301804. [PMID: 38130476 PMCID: PMC10737271 DOI: 10.3389/fphys.2023.1301804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction: The skeletal muscle deformity of commercial chickens (Gallus gallus), known as the wooden breast (WB), is associated with fibrotic myopathy of unknown etiology. For future breeding strategies and genetic improvements, it is essential to identify the molecular mechanisms underlying the phenotype. The pathophysiological hallmarks of WB include severe skeletal muscle fibrosis, inflammation, myofiber necrosis, and multifocal degeneration of muscle tissue. The transmembrane proteoglycans syndecans have a wide spectrum of biological functions and are master regulators of tissue homeostasis. They are upregulated and shed (cleaved) as a regulatory mechanism during tissue repair and regeneration. During the last decades, it has become clear that the syndecan family also has critical functions in skeletal muscle growth, however, their potential involvement in WB pathogenesis is unknown. Methods: In this study, we have categorized four groups of WB myopathy in broiler chickens and performed a comprehensive characterization of the molecular and histological profiles of two of them, with a special focus on the role of the syndecans and remodeling of the extracellular matrix (ECM). Results and discussion: Our findings reveal differential expression and shedding of the four syndecan family members and increased matrix metalloproteinase activity. Additionally, we identified alterations in key signaling pathways such as MAPK, AKT, and Wnt. Our work provides novel insights into a deeper understanding of WB pathogenesis and suggests potential therapeutic targets for this condition.
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Affiliation(s)
| | | | - Matthew Peter Kent
- Center for Integrative Genetics, Department of Animal and Aquacultural Sciences, Faculty of Biosciences (BIOVIT), Norwegian University of Life Sciences (NMBU), Ås, Norway
| | | | - Vibeke Høst
- Raw Materials and Optimization, Nofima AS, Ås, Norway
| | - To Thu-Hien
- Center for Integrative Genetics, Department of Animal and Aquacultural Sciences, Faculty of Biosciences (BIOVIT), Norwegian University of Life Sciences (NMBU), Ås, Norway
| | | | - Marianne Lunde
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Ellen Mosleth
- Raw Materials and Optimization, Nofima AS, Ås, Norway
| | | | - Svein Olav Kolset
- Department of Nutrition, Institute of Basic Medical Science, University of Oslo, Oslo, Norway
| | - Cathrine Rein Carlson
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway
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Malila Y. In vivo oxidative stress associated with growth-related myopathies in chicken and potential health impact: an opinion paper. Front Physiol 2023; 14:1291323. [PMID: 38028796 PMCID: PMC10652411 DOI: 10.3389/fphys.2023.1291323] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 10/24/2023] [Indexed: 12/01/2023] Open
Affiliation(s)
- Yuwares Malila
- Food Biotechnology Research Team, National Center for Genetic Engineering and Biotechnology, Pathum Thani, Thailand
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Schmidt CJ, Kim DK, Pendarvis GK, Abasht B, McCarthy FM. Proteomic insight into human directed selection of the domesticated chicken Gallus gallus. PLoS One 2023; 18:e0289648. [PMID: 37549140 PMCID: PMC10406324 DOI: 10.1371/journal.pone.0289648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 07/21/2023] [Indexed: 08/09/2023] Open
Abstract
Chicken domestication began at least 3,500 years ago for purposes of divination, cockfighting, and food. Prior to industrial scale chicken production, domestication selected larger birds with increased egg production. In the mid-20th century companies began intensive selection with the broiler (meat) industry focusing on improved feed conversion, rapid growth, and breast muscle yield. Here we present proteomic analysis comparing the modern broiler line, Ross 708, with the UIUC legacy line which is not selected for growth traits. Breast muscle proteome analysis identifies cellular processes that have responded to human directed artificial selection. Mass spectrometry was used to identify protein level differences in the breast muscle of 6-day old chicks from Modern and Legacy lines. Our results indicate elevated levels of stress proteins, ribosomal proteins and proteins that participate in the innate immune pathway in the Modern chickens. Furthermore, the comparative analyses indicated expression differences for proteins involved in multiple biochemical pathways. In particular, the Modern line had elevated levels of proteins affecting the pentose phosphate pathway, TCA cycle and fatty acid oxidation while proteins involved in the first phase of glycolysis were reduced compared to the Legacy line. These analyses provide hypotheses linking the morphometric changes driven by human directed selection to biochemical pathways. These results also have implications for the poultry industry, specifically Wooden Breast disease which is linked to rapid breast muscle growth.
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Affiliation(s)
- Carl J. Schmidt
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
| | - Dong Kyun Kim
- Center for Innovation in Brain Sciences, University of Arizona, Tucson, Arizona, United States of America
| | - G Ken Pendarvis
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, United States of America
| | - Behnam Abasht
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
| | - Fiona M. McCarthy
- School of Animal and Comparative Biomedical Sciences, University of Arizona, Tucson, Arizona, United States of America
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7
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Study of emerging chicken meat quality defects using OMICs: What do we know? J Proteomics 2023; 276:104837. [PMID: 36781045 DOI: 10.1016/j.jprot.2023.104837] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/30/2023] [Accepted: 01/30/2023] [Indexed: 02/13/2023]
Abstract
Starting in approximately 2010, broiler breast meat myopathies, specifically woody breast meat, white striping, spaghetti meat, and gaping have increased in prevalence in the broiler meat industry. Omic methods have been used to elucidate compositional, genetic, and biochemical differences between myopathic and normal breast meat and have provided information on the factors that contribute to these myopathies. This review paper focuses on the genomic, transcriptomic, proteomic, metabolomic, and other omics research that has been conducted to unravel the molecular mechanisms involved in the development of these myopathies and their associated factors and potential causes. SIGNIFICANCE: This review manuscript summarizes poultry meat quality defects, also referred to as myopathies, that have been evaluated using omics methods. Genomics, transcriptomics, proteomics, metabolomics and other methodologies have been used to understand the genetic predisposition, the protein expression, and the biochemical pathways that are associated with the expression of woody breast meat, white striping, and other myopathies. This has allowed researchers and the industry to differentiate between chicken breast meat with and without myopathic muscle as well as the environmental and genetic conditions that contribute to differences in biochemical pathways and lead to the phenotypes associate with these different myopathies.
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8
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Wang Z, Brannick E, Abasht B. Integrative transcriptomic and metabolomic analysis reveals alterations in energy metabolism and mitochondrial functionality in broiler chickens with wooden breast. Sci Rep 2023; 13:4747. [PMID: 36959331 PMCID: PMC10036619 DOI: 10.1038/s41598-023-31429-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 03/11/2023] [Indexed: 03/25/2023] Open
Abstract
This integrative study of transcriptomics and metabolomics aimed to improve our understanding of Wooden Breast myopathy (WB). Breast muscle samples from 8 WB affected and 8 unaffected male broiler chickens of 47 days of age were harvested for metabolite profiling. Among these 16 samples, 5 affected and 6 unaffected also underwent gene expression profiling. The Joint Pathway Analysis was applied on 119 metabolites and 3444 genes exhibiting differential abundance or expression between WB affected and unaffected chickens. Mitochondrial dysfunctions in WB was suggested by higher levels of monoacylglycerols and down-regulated genes involved in lipid production, fatty acid beta oxidation, and oxidative phosphorylation. Lower levels of carnosine and anserine, along with down-regulated carnosine synthase 1 suggested decreased carnosine synthesis and hence impaired antioxidant capacity in WB. Additionally, Weighted Gene Co-expression Network Analysis results indicated that abundance of inosine monophosphate, significantly lower in WB muscle, was correlated with mRNA expression levels of numerous genes related to focal adhesion, extracellular matrix and intercellular signaling, implying its function in connecting and possibly regulating multiple key biological pathways. Overall, this study showed not only the consistency between transcript and metabolite profiles, but also the potential in gaining further insights from analyzing multi-omics data.
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Affiliation(s)
- Ziqing Wang
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, USA
| | - Erin Brannick
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, USA
| | - Behnam Abasht
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, USA.
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Metabolomic Analysis of Wooden Breast Myopathy Shows a Disturbed Lipid Metabolism. Metabolites 2022; 13:metabo13010020. [PMID: 36676945 PMCID: PMC9862534 DOI: 10.3390/metabo13010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 12/24/2022] Open
Abstract
Myopathies have risen strongly in recent years, likely linked to selection for appetite. For white striping (WS), causes have been identified; but for wooden breast (WB), the cause remains speculative. We used metabolomics to study the breast muscle of 51 birds that were scored for both at 35 days of age to better understand potential causes. A partial least square discriminant analysis revealed that WS and WB had distinct metabolic profiles, implying different etiologies. Arginine and proline metabolism were affected in both, although differently: WB increased arginine in breast muscle implying that the birds did not use this pathway to increase tissue blood flow. Antioxidant defenses were impeded as shown by low anserine and beta-alanine. In contrast, GSH and selenium concentrations were increased. Serine, linked to anti-inflammatory properties, was increased. Taurine, which can stabilize the cell's sarcolemma as well as modulate potassium channels and cellular calcium homeostasis, was also increased. Mineral data and depressed phosphatidylethanolamine, cAMP, and creatine-phosphate suggested compromised energy metabolism. WB also had drastically lower diet-derived lipids, suggesting compromised lipid digestion. In conclusion, WB may be caused by impaired lipid digestion triggered by a very high appetite: the ensuing deficiencies may well impair blood flow into muscle resulting in irreparable damage.
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Lake JA, Yan Y, Dekkers JCM, Qiu J, Brannick EM, Abasht B. Identification of circulating metabolites associated with wooden breast and white striping. PLoS One 2022; 17:e0274208. [PMID: 36156596 PMCID: PMC9512222 DOI: 10.1371/journal.pone.0274208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 08/23/2022] [Indexed: 01/10/2023] Open
Abstract
Current diagnostic methods for wooden breast and white striping, common breast muscle myopathies of modern commercial broiler chickens, rely on subjective examinations of the pectoralis major muscle, time-consuming microscopy, or expensive imaging technologies. Further research on these disorders would benefit from more quantitative and objective measures of disease severity that can be used in live birds. To this end, we utilized untargeted metabolomics alongside two statistical approaches to evaluate plasma metabolites associated with wooden breast and white striping in 250 male commercial broiler chickens. First, mixed linear modeling was employed to identify metabolites with a significant association with these muscle disorders and found 98 metabolites associated with wooden breast and 44 metabolites associated with white striping (q-value < 0.05). Second, a support vector machine was constructed using stepwise feature selection to determine the smallest subset of metabolites with the highest categorization accuracy for wooden breast. The final support vector machine achieved 94% accuracy using only 6 metabolites. The metabolite 3-methylhistidine, which is often used as an index of myofibrillar breakdown in skeletal muscle, was the top metabolite for both wooden breast and white striping in our mixed linear model and was also the metabolite with highest marginal prediction accuracy (82%) for wooden breast in our support vector machine. Overall, this study identified a candidate set of metabolites for an objective measure of wooden breast or white striping severity in live birds and expanded our understanding of these muscle disorders.
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Affiliation(s)
- Juniper A. Lake
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, United States of America
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
| | - Yiren Yan
- Institute for Financial Services Analytics, University of Delaware, Newark, Delaware, United States of America
| | - Jack C. M. Dekkers
- Department of Animal Science, Iowa State University, Ames, Iowa, United States of America
| | - Jing Qiu
- Department of Applied Economics and Statistics, University of Delaware, Newark, Delaware, United States of America
| | - Erin M. Brannick
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
| | - Behnam Abasht
- Center for Bioinformatics and Computational Biology, University of Delaware, Newark, Delaware, United States of America
- Department of Animal and Food Sciences, University of Delaware, Newark, Delaware, United States of America
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11
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Broiler Chickens with 1950s Genetics Display a Stable Immune Profile as Measured by Kinome, mRNA Expression, and Metabolism when Stimulated Early in Life with CpG. Poult Sci 2022; 101:101775. [PMID: 35299064 PMCID: PMC8927827 DOI: 10.1016/j.psj.2022.101775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 02/02/2022] [Accepted: 02/05/2022] [Indexed: 11/23/2022] Open
Abstract
Significant changes in growth potential and feed conversion have been bred into the modern broiler chicken for well over 60 yr. These metabolic changes have had significant effects on the immune performance as well. To better understand these genetic differences in immunometabolism we studied the immune response of the modern broiler and the Athens Canadian Random Bred (ACRB) heritage broiler strain. We injected newly hatched modern broiler and ACRB chicks intraabdominally with CpG oligonucleotide, an immunostimulatory synthetic oligonucleotide. We conducted species-specific kinome array analysis and gene expression analysis on jejunum and cecal tonsil tissue. We also performed metabolic analysis of blood cells. In the modern birds, there is an initial inflammatory response to the injection at d 3 post-hatch with activation of PI3K-Akt, JAK-STAT, and NF-κB signaling, and IL-1β and IL-6 mRNA expression. By d 15 post-hatch this response changed to deactivation and downregulation of these immune responses in modern but not heritage broilers. Metabolic analysis showed an increase in glycolysis in peripheral blood mononuclear cells from modern birds given CpG, but no difference in ACRB. These results show that the ACRB birds may have a less inflammatory and more stable immune profile in response to immune stimulation than the modern broilers, possibly resulting in a more disease resistant phenotype overall.
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12
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Marciano CMM, Ibelli AMG, Marchesi JAP, de Oliveira Peixoto J, Fernandes LT, Savoldi IR, do Carmo KB, Ledur MC. Differential Expression of Myogenic and Calcium Signaling-Related Genes in Broilers Affected With White Striping. Front Physiol 2021; 12:712464. [PMID: 34381378 PMCID: PMC8349984 DOI: 10.3389/fphys.2021.712464] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/05/2021] [Indexed: 01/10/2023] Open
Abstract
White Striping (WS) has been one of the main issues in poultry production in the last years since it affects meat quality. Studies have been conducted to understand WS and other myopathies in chickens, and some biological pathways have been associated to the prevalence of these conditions, such as extracellular calcium level, oxidative stress, localized hypoxia, possible fiber-type switching, and cellular repairing. Therefore, to understand the genetic mechanisms involved in WS, 15 functional candidate genes were chosen to be analyzed by quantitative PCR (qPCR) in breast muscle of normal and WS-affected chickens. To this, the pectoral major muscle (PMM) of 16 normal and 16 WS-affected broilers were collected at 42 days of age and submitted to qRT-PCR analysis. Out of the 15 genes studied, six were differentially expressed between groups. The CA2, CSRP3, and PLIN1 were upregulated, while CALM2, DNASE1L3, and MYLK2 genes were downregulated in the WS-affected when compared to the normal broilers. These findings highlight that the disruption on muscle and calcium signaling pathways can possibly be triggering WS in chickens. Improving our understanding on the genetic basis involved with this myopathy might contribute for reducing WS in poultry production.
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Affiliation(s)
| | - Adriana Mércia Guaratini Ibelli
- Embrapa Suínos e Aves, Concórdia, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, Guarapuava, Brazil
| | | | - Jane de Oliveira Peixoto
- Embrapa Suínos e Aves, Concórdia, Brazil.,Programa de Pós-Graduação em Ciências Veterinárias, Universidade Estadual do Centro-Oeste, Guarapuava, Brazil
| | | | - Igor Ricardo Savoldi
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina (UDESC-Oeste), Chapecó, Brazil
| | | | - Mônica Corrêa Ledur
- Programa de Pós-Graduação em Zootecnia, Universidade do Estado de Santa Catarina (UDESC-Oeste), Chapecó, Brazil.,Embrapa Suínos e Aves, Concórdia, Brazil
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Malila Y, Uengwetwanit T, Thanatsang KV, Arayamethakorn S, Srimarut Y, Petracci M, Soglia F, Rungrassamee W, Visessanguan W. Insights Into Transcriptome Profiles Associated With Wooden Breast Myopathy in Broilers Slaughtered at the Age of 6 or 7 Weeks. Front Physiol 2021; 12:691194. [PMID: 34262480 PMCID: PMC8273767 DOI: 10.3389/fphys.2021.691194] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 06/07/2021] [Indexed: 11/18/2022] Open
Abstract
Transcriptomes associated with wooden breast (WB) were characterized in broilers at two different market ages. Breasts (Pectoralis major) were collected, 20-min postmortem, from male Ross 308 broilers slaughtered at 6 and 7 weeks of age. The breasts were classified as "non-WB" or "WB" based on palpation hardness scoring (non-WB = no abnormal hardness, WB = consistently hardened). Total RNA was isolated from 16 samples (n = 3 for 6 week non-WB, n = 3 for 6 week WB; n = 5 for 7 week non-WB, n = 5 for 7 week WB). Transcriptome was profiled using a chicken gene expression microarray with one-color hybridization technique, and compared between non-WB and WB samples of the same age. Among 6 week broilers, 910 transcripts were differentially expressed (DE) (false discovery rate, FDR < 0.05). Pathway analysis underlined metabolisms of glucose and lipids along with gap junctions, tight junction, and focal adhesion (FA) signaling as the top enriched pathways. For the 7 week broilers, 1,195 transcripts were identified (FDR < 0.05) with regulation of actin cytoskeleton, mitogen-activated protein kinase (MAPK) signaling, protein processing in endoplasmic reticulum and FA signaling highlighted as the enriched affected pathways. Absolute transcript levels of eight genes (actinin-1 - ACTN1, integrin-linked kinase - ILK, integrin subunit alpha 8 - ITGA8, integrin subunit beta 5 - ITGB5, protein tyrosine kinase 2 - PTK2, paxillin - PXN, talin 1 - TLN1, and vinculin - VCL) of FA signaling pathway were further elucidated using a droplet digital polymerase chain reaction. The results indicated that, in 6 week broilers, ITGA8 abundance in WB was greater than that of non-WB samples (p < 0.05). Concerning 7 week broilers, greater absolute levels of ACTN1, ILK, ITGA8, and TLN1, accompanied with a reduced ITGB5 were found in WB compared with non-WB (p < 0.05). Transcriptional modification of FA signaling underlined the potential of disrupted cell-cell communication that may incite aberrant molecular events in association with development of WB myopathy.
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Affiliation(s)
- Yuwares Malila
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Tanaporn Uengwetwanit
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Krittaporn V. Thanatsang
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Sopacha Arayamethakorn
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Yanee Srimarut
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Massimiliano Petracci
- Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Francesca Soglia
- Department of Agricultural and Food Sciences, Alma Mater Studiorum, University of Bologna, Cesena, Italy
| | - Wanilada Rungrassamee
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
| | - Wonnop Visessanguan
- National Center for Genetic Engineering and Biotechnology (BIOTEC), Thailand Science Park, Pathum Thani, Thailand
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