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Sarri L, Balcells J, Seradj AR, de la Fuente G. Protein turnover in pigs: A review of interacting factors. J Anim Physiol Anim Nutr (Berl) 2024; 108:451-469. [PMID: 37975299 DOI: 10.1111/jpn.13906] [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: 09/27/2022] [Revised: 08/24/2023] [Accepted: 10/31/2023] [Indexed: 11/19/2023]
Abstract
Protein turnover defines the balance between two continuous and complex processes of protein metabolism, synthesis and degradation, which determine their deposition in tissues. Although the liver and intestine have been studied extensively for their important roles in protein digestion, absorption and metabolism, the study of protein metabolism has focused mainly on skeletal muscle tissue to understand the basis for its growth. Due to the high adaptability of skeletal muscle, its protein turnover is greatly affected by different internal and external factors, contributing to carcass lean-yield and animal growth. Amino acid (AA) labelling and tracking using isotope tracer methodology, together with the study of myofiber type profiling, signal transduction pathways and gene expression, has allowed the analysis of these mechanisms from different perspectives. Positive stimuli such as increased nutrient availability in the diet (e.g., AA), physical activity, the presence of certain hormones (e.g., testosterone) or a more oxidative myofiber profile in certain muscles or pig genotypes promote increased upregulation of translation and transcription-related genes, activation of mTORC1 signalling mechanisms and increased abundance of satellite cells, allowing for more efficient protein synthesis. However, fasting, animal aging, inactivity and stress, inflammation or sepsis produce the opposite effect. Deepening the understanding of modifying factors and their possible interaction may contribute to the design of optimal strategies to better control tissue growth and nutrient use (i.e., protein and AA), and thus advance the precision feeding strategy.
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Affiliation(s)
- Laura Sarri
- Departament de Ciència Animal, Universitat de Lleida- Agrotecnio-CERCA Center, Lleida, Spain
| | - Joaquim Balcells
- Departament de Ciència Animal, Universitat de Lleida- Agrotecnio-CERCA Center, Lleida, Spain
| | - Ahmad Reza Seradj
- Departament de Ciència Animal, Universitat de Lleida- Agrotecnio-CERCA Center, Lleida, Spain
| | - Gabriel de la Fuente
- Departament de Ciència Animal, Universitat de Lleida- Agrotecnio-CERCA Center, Lleida, Spain
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Barcellos J, Alves WJ, Arnaut PR, Fonseca L, Muniz JCL, de Paula Dorigam JC, Campos PHRF, Fonsecae Silva F, Dilger RN, Hannas MI. Assessment of digestible lysine requirements in lipopolysaccharide-challenged pigs. J Anim Sci 2021; 99:6424334. [PMID: 34752613 DOI: 10.1093/jas/skab336] [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: 05/26/2021] [Accepted: 11/05/2021] [Indexed: 11/13/2022] Open
Abstract
To evaluate the effect of an E. coli lipopolysaccharide (LPS) challenge on the digestible lysine (Lys) requirement for growing pigs, a nitrogen (N) balance assay was performed. Seventy-two castrated male pigs [19 ± 1.49 kg body weight (BW)] were allocated in a 2 x 6 factorial design composed of two immune activation states (control and LPS-challenged) and 6 dietary treatments with N levels of 0.94, 1.69, 2.09, 3.04, 3.23 and 3.97% N, as fed, where Lys was limiting, with six replicates and one pig per unit. The challenge consisted of an initial LPS dose of 30 μg/kg BW via intramuscular (IM) injection and a subsequent dose of 33.6 μg/kg BW after 48 h. The experimental period lasted 11 days and was composed of a 7-day adaptation and a subsequent 4-day sampling period in which N intake (NI), N excretion (NEX) and N deposition (ND) were evaluated. Inflammatory mediators and rectal temperature were assessed during the 4-day collection period. A 3-way interaction (N levels × LPS challenge × time, P < 0.05) for IgG was observed. Additionally, 2-way interactions (challenge × time, P < 0.05) were verified for IgA, ceruloplasmin, transferrin, haptoglobin, α-1-acid glycoprotein, total protein, and rectal temperature; and (N levels × time, P < 0.05) for transferrin, albumin, haptoglobin, total protein and rectal temperature. LPS-challenged pigs showed lower (P < 0.05) feed intake. A 2-way interaction (N levels × LPS challenge, P < 0.05) was observed for NI, NEX and ND, with a clear dose-response (P < 0.05). LPS-challenged pigs showed lower NI and ND at 2.09% N and 1.69 to 3.97% N (P < 0.05), respectively, and higher NEX at 3.23% N (P < 0.05). The parameters obtained by a nonlinear model (N maintenance requirement, NMR and theoretical maximum N deposition, NDmaxT) were 152.9 and 197.1 mg/BWkg 0.75/d for NMR, and 3,524.7 and 2,077.8 mg/BWkg 0.75/d for NDmaxT, for control and LPS-challenged pigs, respectively. The estimated digestible Lys requirements were 1,994.83 and 949.16 mg/BWkg 0.75/d for control and LPS-challenged pigs, respectively. The daily digestible Lys intakes required to achieve 0.68 and 0.54 times the NRmaxT value were 18.12 and 8.62 g/d, respectively, and the optimal dietary digestible Lys concentration may change depending on the feed intake levels. Based on the derived model parameters obtained in the N balance trial with lower cost and time, it was possible to differentiate the digestible Lys requirement for swine under challenging conditions.
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Affiliation(s)
- Joyce Barcellos
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Warley Júnior Alves
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Pedro Riguetti Arnaut
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Lucimauro Fonseca
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Jorge Cunha Lima Muniz
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | | | | | - Fabyano Fonsecae Silva
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Ryan N Dilger
- Department of Animal Sciences, University of Illinois, Urbana, Illinois, USA
| | - Melissa Izabel Hannas
- Department of Animal Sciences, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
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Zem Fraga A, Louveau I, Campos PHRF, Hauschild L, Le Floc'h N. Selection for feed efficiency elicits different postprandial plasma metabolite profiles in response to poor hygiene of housing conditions in growing pigs. PLoS One 2021; 16:e0246216. [PMID: 33780478 PMCID: PMC8006997 DOI: 10.1371/journal.pone.0246216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 03/15/2021] [Indexed: 11/18/2022] Open
Abstract
This study was conducted to compare postprandial plasma concentrations of insulin, energy-related metabolites, and amino acids measured after a 6-week challenge consisting of exposure to good or poor hygiene of housing conditions of 24 growing pigs divergently selected for low-RFI (LRFI) and high-RFI (HRFI). Blood indicators of immune responses were assessed from samples collected before 0 (W0), and 3 (W3), and 6 weeks (W6) after pigs transfer to their respective hygiene of housing conditions. Plasma haptoglobin concentrations and blood neutrophil granulocyte numbers were greater in poor than in good hygiene of housing conditions at W3. Plasma concentrations of total immunoglobulin G were greater (p = 0.04) in poor than in good hygiene of housing conditions at W6. At W6, pigs were fitted with an intravenous catheter for serial blood samplings. Low-RFI pigs had greater insulin (p < 0.001) and lower triglyceride (p = 0.04) average plasma concentrations than HRFI pigs in both conditions. In poor hygiene of housing conditions, the peaks of insulin and glucose were observed earlier and that of insulin was greater in LRFI than in HRFI pigs. Irrespective of genetic line, average plasma concentrations of histidine, isoleucine, leucine, methionine, threonine, valine, and alanine were greater in poor compared with good hygiene of housing conditions. Only HRFI pigs had greater lysine, asparagine, proline, and tyrosine plasma concentrations in poor than in good hygiene of housing conditions. Conversely, arginine, tryptophan, proline, and tyrosine plasma concentrations were lower only for LRFI pigs housed in poor hygiene conditions. Our results suggest that, contrary to HRFI, LRFI pigs increase or maintain their utilization of tryptophan, arginine, and lysine when housed in poor hygiene conditions. This indicates that this difference may contribute to the better capacity of LRFI to cope with poor hygiene of housing conditions.
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Affiliation(s)
- Alícia Zem Fraga
- Department of Animal Science, School of Agricultural and Veterinarian Sciences, São Paulo State University, Jaboticabal, São Paulo, Brazil
- PEGASE, INRAE, Institut Agro, Saint Gilles, France
| | | | | | - Luciano Hauschild
- Department of Animal Science, School of Agricultural and Veterinarian Sciences, São Paulo State University, Jaboticabal, São Paulo, Brazil
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Bhattacharya S, Bhadra R, Schols AMWJ, Sambashivaiah S. Gut microbial dysbiosis as a limiting factor in the management of primary and secondary sarcopenia: an Asian Indian perspective. Curr Opin Clin Nutr Metab Care 2020; 23:404-410. [PMID: 32868683 DOI: 10.1097/mco.0000000000000688] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE OF REVIEW The article summarizes recent research advances on the role of gut microbiome in primary and secondary sarcopenia. This article also explores the potential contribution of gut dysbiosis to suboptimal sarcopenia management with special focus on factors contributing to gut dysbiosis among Asian Indians. RECENT FINDINGS Aging and chronic diseases contribute to gut dysbiosis and intestinal barrier dysfunction allowing enhanced microbial translocation that may negatively affect muscle strength, physical function, and frailty. Gut microbiome of Asian Indians has shown a unique composition that is affected by multiple factors, such as socioeconomic status, poor hygiene, high rate of infection and infestations, antibiotic overuse and transition towards a westernized eating pattern. Current management approach for sarcopenia (exercise and/or protein supplementation) fails to address gut dysbiosis and intestinal barrier dysfunction. Incorporating a prebiotic or probiotic element to the intervention strategy may improve gut dysbiosis, inflammation and muscle function. SUMMARY Gut dysbiosis and intestinal barrier dysfunction appear to be a significant limitation in sarcopenia management, thus gut centric intervention may be perceived as a (co)intervention strategy to be tested in appropriate clinical trials.
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Affiliation(s)
| | - Rohini Bhadra
- St John's Research Institute, St John's Medical College, Bengaluru, India
| | - Annemie M W J Schols
- NUTRIM School of Nutrition and Translational Research in Metabolism, Department of Respiratory Medicine, Maastricht University, The Netherlands
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Hewitt DJ, Dekkers JCM, Antonick T, Gheisari A, Rakhshandeh AR, Rakhshandeh A. Effects of divergent selection for residual feed intake on nitrogen metabolism and lysine utilization in growing pigs. J Anim Sci 2020; 98:5829700. [PMID: 32367123 DOI: 10.1093/jas/skaa152] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/28/2020] [Indexed: 12/14/2022] Open
Abstract
A study was conducted to evaluate the effects of divergent genetic selection for residual feed intake (RFI) on nitrogen (N) metabolism and lysine utilization in growing pigs. Twenty-four gilts (body weight [BW] 66 ± 5 kg) were selected from generation nine of the low RFI (LRFI; n = 12) and high RFI (HRFI; n = 12) Iowa State University Yorkshire RFI selection lines. Six pigs from each genetic line were assigned to each of two levels of lysine intake: 70% and 100% of estimated requirements based on the potential of each genetic line for protein deposition (PD) and feed intake. For all diets, lysine was first limiting among amino acids. Using isotope tracer, N-balance, and nutrient digestibility evaluation approaches, whole-body N metabolism and the efficiency of lysine utilization were determined for each treatment group. No significant interaction effects of line and diet on dietary N or gross energy digestibility, PD, and the efficiency of lysine utilization for PD were observed. The line did not have a significant effect on PD and digestibility of dietary N and GE. An increase in lysine intake improved N retention in both lines (from 15.0 to 19.6 g/d, SE 1.44, in LRFI pigs; and from 16.9 to 19.8 g/d, SE 1.67, in HRFI pigs; P < 0.01). At the low lysine intakes and when lysine clearly limited PD, the efficiency of using available lysine intake (above maintenance requirements) for PD was 80% and 91% (SE 4.6) for the LRFI and HRFI pigs, respectively (P = 0.006). There were no significant effects of line or of the line by diet interaction on N flux, protein synthesis, and protein degradation. Lysine intake significantly increased (P < 0.05) N flux (from 119 to 150, SE 8.7 g/d), protein synthesis (from 99 to 117, SE 10.6 g of N/d), and protein degradation (from 85 to 100, SE 6.6 g of N/d). The protein synthesis-to-retention ratio tended to be higher in the LRFI line compared with the HRFI line (6.5 vs. 5.8 SE 0.62; P = 0.06), indicating a tendency for the lower efficiency of PD in this group. Collectively, these results indicate that genetic selection for low RFI is not associated with improvements in lysine utilization efficiency, protein turnover, and nutrient digestibility.
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Affiliation(s)
- Deltora J Hewitt
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX
| | | | - Treyson Antonick
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX
| | - Abbasali Gheisari
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX
| | | | - Anoosh Rakhshandeh
- Department of Animal and Food Sciences, Texas Tech University, Lubbock, TX
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