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Kantono K, Hamid N, Ma Q, Oey I, Farouk M. Changes in the physicochemical properties of chilled and frozen-thawed lamb cuts subjected to pulsed electric field processing. Food Res Int 2021; 141:110092. [PMID: 33641968 DOI: 10.1016/j.foodres.2020.110092] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 12/25/2020] [Accepted: 12/26/2020] [Indexed: 12/11/2022]
Abstract
There has been recent interest in the use of pulse electric field (PEF) processing of muscle foods to improve food quality. In this study, the effects of PEF processing and storage (0 and 7 days) on the physicochemical properties and sensory characteristics of different frozen thawed and chilled lamb meat cuts were investigated. Seven lamb cuts (knuckle, rump, topside, shoulder shank, loin and rib) were treated at electric field strengths of 1-1.4 kV.cm-1, specific energy of 88-109 kJ.kg-1, frequency of 90 Hz, pulse width of 20 µs, and pulse number of 964. PEF had less effects on cooking loss when applied to frozen-thawed meat compared to chilled meat samples. PEF treatment of all chilled cuts at 0 and 7 days storage significantly decreased fatty acids. PEF treated chilled topside, knuckle, rump anf loin cuts stored for 7 days resulted in significantly increased amino acids content. PEF treatment of almost all frozen lamb cuts (except rib cut) that were stored for 7 days significantly increased TBARS value, decreased fatty acids, and increased amino acids content.
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Affiliation(s)
- Kevin Kantono
- Department of Food Science, Faculty of Health and Environment Sciences, Auckland University of Technology, Auckland, New Zealand
| | - Nazimah Hamid
- Department of Food Science, Faculty of Health and Environment Sciences, Auckland University of Technology, Auckland, New Zealand.
| | - Qianli Ma
- Department of Food Science, Faculty of Health and Environment Sciences, Auckland University of Technology, Auckland, New Zealand; Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Key Laboratory of Agro-Products Processing, Ministry of Agriculture and Rural Affairs, Beijing 100193, China
| | - Indrawati Oey
- Department of Food Science, University of Otago, PO BOX 56, Dunedin 9054, New Zealand; Riddet Institute, Massey University, Palmerston North, New Zealand
| | - Mustafa Farouk
- AgResearch MIRINZ, Ruakura Research Centre, Private Bag 3123, Hamilton 3240, New Zealand
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Gallardo Paffetti M, Cárcamo J, Arias-Darraz L, Alvear C, Ojeda J. Effect of Type of Pregnancy on Transcriptional and Plasma Metabolic Response in Sheep and Its Further Effect on Progeny Lambs. Animals (Basel) 2020; 10:ani10122290. [PMID: 33287438 PMCID: PMC7761827 DOI: 10.3390/ani10122290] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 11/16/2022] Open
Abstract
Simple Summary The present study was carried out in order to determine the effect of type of pregnancy on the mammary gland development, evaluated through the transcriptional expression of genes that are associated to angiogenesis and cell turnover/lactogenesis and the metabolic response of the animals. For this, six twin and seven single-bearing ewes were fed with naturalized pasture from day −45 pre-partum until day +70 post-partum, taking samples of mammary tissue and plasma at different times from the birth until weaning. The results showed the type of pregnancy could only explain a few differences in the transcriptional expression of in some genes that are involved in angiogenesis and cell turnover/lactogenesis in the mammary gland tissue, which had no impact on the metabolic status of ewes or the metabolic response in plasma, performance, and muscle transcriptional expression of the lambs. Abstract The following study was performed in order to determine the effect of type of pregnancy on the transcriptional expression of genes that are engaged in angiogenesis and cell turnover/lactogenesis in the ewe mammary gland, evaluating its impact on the plasma metabolic response. In addition, an assessment of its further influence on plasma metabolic response, performance, and muscle transcriptional expression of lipogenic enzymes in progeny lambs was made. Thirteen Ile de France sheep (six twin- and seven single-bearing ewes) were allocated to graze ad libitum naturalized pasture from d 45 pre-partum to day 70 post-partum, while keeping their lambs on the same diet until day 60 after weaning. The samples were collected at different times and analyzed by qRT-PCR and plasma metabolic indicators. The data were processed using SPSS package. The results showed that twin-bearing ewes overexpressed VEGFR1 at birth, and BCL2 at birth and day 35 post-partum; however, single-bearing ewes overexpressed CAIV and IGF1 at day 35 post-partum. Similar metabolite concentrations in blood plasma were found between groups of ewes. The plasma metabolic response in lambs was similar between groups and it did not influence their performance, where a similar transcriptional expression of lipogenic enzymes in muscle was observed. Therefore, the type of pregnancy can explain the slight differences in mRNA expression that were found in angiogenesis and cell turnover/lactogenesis in mammary gland, although these differences not only did not affect the plasma metabolic response in ewes, but they also had no influence on plasma metabolic response, performance, and muscle transcriptional expression of their lambs.
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Affiliation(s)
- María Gallardo Paffetti
- Escuela de Medicina Veterinaria, Facultad de Ciencias, Universidad Mayor, Santiago PO Box 8580745, Chile; (M.G.P.); (C.A.)
| | - Juan Cárcamo
- Centro FONDAP, Interdisciplinary Center for Aquaculture Research (INCAR), Facultad de Ciencias, Universidad Austral de Chile, Valdivia PO Box 567, Chile;
- Correspondence: ; Tel.: +56-632-293-413
| | - Luis Arias-Darraz
- Centro FONDAP, Interdisciplinary Center for Aquaculture Research (INCAR), Facultad de Ciencias, Universidad Austral de Chile, Valdivia PO Box 567, Chile;
| | - Carlos Alvear
- Escuela de Medicina Veterinaria, Facultad de Ciencias, Universidad Mayor, Santiago PO Box 8580745, Chile; (M.G.P.); (C.A.)
| | - Javier Ojeda
- Instituto de Ciencias Clínicas Veterinarias, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia PO Box 567, Chile;
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Urrutia O, Mendizabal JA, Alfonso L, Soret B, Insausti K, Arana A. Adipose Tissue Modification through Feeding Strategies and Their Implication on Adipogenesis and Adipose Tissue Metabolism in Ruminants. Int J Mol Sci 2020; 21:E3183. [PMID: 32365995 PMCID: PMC7246642 DOI: 10.3390/ijms21093183] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 04/22/2020] [Accepted: 04/28/2020] [Indexed: 11/25/2022] Open
Abstract
Dietary recommendations by health authorities have been advising of the importance of diminishing saturated fatty acids (SFA) consumption and replacing them by polyunsaturated fatty acids (PUFA), particularly omega-3. Therefore, there have been efforts to enhance food fatty acid profiles, helping them to meet human nutritional recommendations. Ruminant meat is the major dietary conjugated linoleic acid (CLA) source, but it also contains SFA at relatively high proportions, deriving from ruminal biohydrogenation of PUFA. Additionally, lipid metabolism in ruminants may differ from other species. Recent research has aimed to modify the fatty acid profile of meat, and other animal products. This review summarizes dietary strategies based on the n-3 PUFA supplementation of ruminant diets and their effects on meat fatty acid composition. Additionally, the role of n-3 PUFA in adipose tissue (AT) development and in the expression of key genes involved in adipogenesis and lipid metabolism is discussed. It has been demonstrated that linseed supplementation leads to an increase in α-linolenic acid (ALA) and eicosapentaenoic acid (EPA), but not in docosahexaenoic acid (DHA), whilst fish oil and algae increase DHA content. Dietary PUFA can alter AT adiposity and modulate lipid metabolism genes expression, although further research is required to clarify the underlying mechanism.
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Affiliation(s)
- Olaia Urrutia
- IS-FOOD Institute, Escuela Técnica Superior de Ingeniería Agronómica y Biociencias, Departamento de Agronomía, Biotecnología y Alimentación, Universidad Pública de Navarra, 31006 Pamplona, Spain; (J.A.M.); (L.A.); (B.S.); (K.I.); (A.A.)
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Effect of Breed on Transcriptional and Protein Expression of Lipogenic Enzymes in Tail and Subcutaneous Adipose Tissue from Two Grazing Breeds of Lambs. Animals (Basel) 2019; 9:ani9020064. [PMID: 30781423 PMCID: PMC6406757 DOI: 10.3390/ani9020064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 02/05/2019] [Accepted: 02/09/2019] [Indexed: 01/22/2023] Open
Abstract
Simple Summary An experiment to determine the effect of sheep breed on subcutaneous fatty acid composition was carried out at the Butalcura Research Station, Chiloé, Chile. To this end, two breeds of lambs were challenged to graze a typical, naturalized pasture of the Chiloé Archipelago, Chile, from 60 d to 120 d after birth. The animals were sacrificed to collect samples from subcutaneous fat (SCF) from the back, and tail fat (TF) to determine the effect of breed on transcriptional expression of lipogenic enzymes and fatty acid profile in these two fat depots. The results showed that although mRNA expression of enzymes was similar in both breeds, there were differences in certain protein levels in the SCF, partially related with the fatty acid profiles, thus affecting the selection of lamb breed either for human consumption or experimental purposes. Abstract This experiment was carried out to determine the effect of breed on mRNA and protein expression levels of lipogenic enzymes acetyl-CoA carboxylase α (ACC), fatty acid synthase (FAS), stearoyl-CoA desaturase 1 (SCD1) plus sterol regulatory element binding transcription factor 1c (SREBP1c) in the subcutaneous fat (SCF) from the back of the animal, and tail fat (TF) of both Chilota and Suffolk Down lambs grazing Calafatal. Eight Chilota and six Suffolk Down 2-month-old male lambs were allocated to graze a “Calafatal”, a typical secondary succession of Chiloé Archipelago, Chile. After 62 d, lambs were slaughtered according to Chile’s meat industry standards. Fatty acid profile, RT-qPCR, and Western blot analyses from SCF and TF samples were performed. Although the mRNA expression levels of ACC, FAS, SCD1 and SREBP1c in SCF did not differ significantly between breeds (p > 0.05), a trend to higher mRNA expression of FAS and SREBP1c in TF from Chilota lambs was observed (p = 0.06). On the other hand, FAS levels in SCF were higher in Chilota than in Suffolk Down lambs (p < 0.02), although Suffolk Down showed higher fat contents and saturated fatty acid (SFA) proportions than Chilota lambs (p < 0.01). The FAS protein expression in TF was similar in both breeds (p > 0.05). Although the fat content was higher in Suffolk Down than in Chilota lambs (p < 0.01), the SFA proportions were similar in both breeds. Finally, it can be concluded that although mRNA expression of enzymes was similar in both breeds, there were differences in some protein levels in the SCF, partially related with the fatty acid profiles, thus affecting the selection of lamb breed either for human consumption or experimental purposes.
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Conte M, Armani A, Conte G, Serra A, Franceschi C, Mele M, Sandri M, Salvioli S. Muscle-specific Perilipin2 down-regulation affects lipid metabolism and induces myofiber hypertrophy. J Cachexia Sarcopenia Muscle 2019; 10:95-110. [PMID: 30288961 PMCID: PMC6438344 DOI: 10.1002/jcsm.12355] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 08/06/2018] [Accepted: 08/30/2018] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Perilipin2 (Plin2) belongs to a family of five highly conserved proteins, known for their role in lipid storage. Recent data indicate that Plin2 has an important function in cell metabolism and is involved in several human pathologies, including liver steatosis and Type II diabetes. An association between Plin2 and lower muscle mass and strength has been found in elderly and inactive people, but its function in skeletal muscle is still unclear. Here, we addressed the role of Plin2 in adult muscle by gain and loss of function experiments. METHODS By mean of in vivo Plin2 down-regulation (shPlin2) and overexpression (overPlin2) in murine tibialis anterior muscle, we analysed the effects of Plin2 genetic manipulations on myofiber size and lipid composition. An analysis of skeletal muscle lipid composition was also performed in vastus lateralis samples from young and old patients undergoing hip surgery. RESULTS We found that Plin2 down-regulation was sufficient to induce a 30% increase of myofiber cross-sectional area, independently of mTOR pathway. Alterations of lipid content and modulation of genes involved in lipid synthesis occurred in hypertrophic muscles. In particular, we showed a decrease of triglycerides, ceramides, and phosphatidylcoline:phosphatidylethanolamine ratio, a condition known to impact negatively on muscle function. Plin2 overexpression did not change fibre size; however, lipid composition was strongly affected in a way that is similar to that observed in human samples from old patients. CONCLUSIONS Altogether these data indicate that Plin2 is a critical mediator for the control of muscle mass, likely, but maybe not exclusively, through its critical role in the regulation of intracellular lipid content and composition.
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Affiliation(s)
- Maria Conte
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.,Interdepartmental Centre "L. Galvani" (CIG), University of Bologna, Bologna, Italy
| | - Andrea Armani
- Venetian Institute of Molecular Medicine (VIMM), Padova, Italy
| | - Giuseppe Conte
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Andrea Serra
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy.,Research Center of Nutraceuticals and Food for Health, University of Pisa, Pisa, Italy
| | | | - Marcello Mele
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy.,Research Center of Nutraceuticals and Food for Health, University of Pisa, Pisa, Italy
| | - Marco Sandri
- Venetian Institute of Molecular Medicine (VIMM), Padova, Italy.,Department of Biomedical Science, University of Padova, Padova, Italy
| | - Stefano Salvioli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Bologna, Italy.,Interdepartmental Centre "L. Galvani" (CIG), University of Bologna, Bologna, Italy
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Wang X, Wu T, Yan S, Shi B, Zhang Y, Guo X. Influence of pasture or total mixed ration on fatty acid composition and expression of lipogenic genes of longissimus thoracis and subcutaneous adipose tissues in Albas White Cashmere Goats. ITALIAN JOURNAL OF ANIMAL SCIENCE 2018. [DOI: 10.1080/1828051x.2018.1490632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Xue Wang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Tiemei Wu
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Sumei Yan
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Binlin Shi
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Ying Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
| | - Xiaoyu Guo
- College of Animal Science, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China
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Bessa RJB, Alves SP, Santos-Silva J. Constraints and potentials for the nutritional modulation of the fatty acid composition of ruminant meat. EUR J LIPID SCI TECH 2015. [DOI: 10.1002/ejlt.201400468] [Citation(s) in RCA: 97] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Rui J. B. Bessa
- CIISA, Faculdade de Medicina Veterinária (FMV); Universidade de Lisboa (ULisboa); Lisboa Portugal
| | - Susana P. Alves
- CIISA, Faculdade de Medicina Veterinária (FMV); Universidade de Lisboa (ULisboa); Lisboa Portugal
| | - José Santos-Silva
- Unidade Estratégica de Investigação e Serviços em Produção e Saúde Animal; Instituto Nacional de Investigação Agrária e Veterinária (UEISPA-INIAV); Lisboa Portugal
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Gallardo MA, Cárcamo JG, Hiller B, Nuernberg G, Nuernberg K, Dannenberger D. Expression of lipid metabolism related genes in subcutaneous adipose tissue from Chilota lambs grazing on two different pasture types. EUR J LIPID SCI TECH 2014. [DOI: 10.1002/ejlt.201400033] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Maria Asuncion Gallardo
- Escuela de Graduados; Facultad de Ciencias Veterinarias and Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile; Valdivia Chile
| | - Juan Guillermo Cárcamo
- Escuela de Graduados; Facultad de Ciencias Veterinarias and Instituto de Bioquímica y Microbiología, Facultad de Ciencias, Universidad Austral de Chile; Valdivia Chile
| | - Beate Hiller
- Leibniz Institute for Farm Animal Biology; Institute of Muscle Biology and Growth and Institute of Genetics and Biometry; Dummerstorf Germany
| | - Gerd Nuernberg
- Leibniz Institute for Farm Animal Biology; Institute of Muscle Biology and Growth and Institute of Genetics and Biometry; Dummerstorf Germany
| | - Karin Nuernberg
- Leibniz Institute for Farm Animal Biology; Institute of Muscle Biology and Growth and Institute of Genetics and Biometry; Dummerstorf Germany
| | - Dirk Dannenberger
- Leibniz Institute for Farm Animal Biology; Institute of Muscle Biology and Growth and Institute of Genetics and Biometry; Dummerstorf Germany
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