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Ma C, Zhang W, Zhang J, Du T. Modification-Specific Proteomic Analysis Reveals Cysteine S-Nitrosylation Mediated the Effect of Preslaughter Transport Stress on Pork Quality Development. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:20260-20273. [PMID: 38085829 DOI: 10.1021/acs.jafc.3c05254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
This study aimed to explore the effects of preslaughter transport stress on protein S-nitrosylation levels and S-nitrosylated proteome in post-mortem pork longissimus thoracis (LT) muscle. Pigs (N= 16) were randomly divided into 3 h transport (high-stress group, HS) and 3 h transport followed by 3 h resting treatments (low-stress control group, LS). Results demonstrated that high transport stress levels induced nitric oxide (NO) overproduction by promoting NO synthase (NOS) activity and neuronal NOS (nNOS) expression, which thereby notably increased protein S-nitrosylation levels in post-mortem muscle (p < 0.05). Proteomic analysis indicated that 133 S-nitrosylation-modified cysteines belonging to 85 proteins were significantly differential, of which 101 cysteines of 63 proteins were higher in the HS group (p < 0.05). Differential proteins including cytoskeletal and calcium-handling proteins, glycolytic enzymes, and oxidoreductase were mainly involved in the regulation of muscle contraction and energy metabolism that might together mediate meat quality development. Overall, this study provided direct evidence for changes in S-nitrosylation levels and proteome in post-mortem muscle in response to preslaughter transport stress and revealed the potential impact of S-nitrosylated proteins on meat quality.
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Affiliation(s)
- Chao Ma
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Wangang Zhang
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Jian Zhang
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
| | - Tongyao Du
- State Key Laboratory of Meat Quality Control and Cultured Meat Development, Ministry of Education China, Jiangsu Collaborative Innovation Center of Meat Production and Processing, Quality and Safety Control, College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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Cottrell JJ, Furness JB, Wijesiriwardana UA, Ringuet M, Liu F, DiGiacomo K, Leury BJ, Clarke IJ, Dunshea FR. The Effect of Heat Stress on Respiratory Alkalosis and Insulin Sensitivity in Cinnamon Supplemented Pigs. Animals (Basel) 2020; 10:E690. [PMID: 32326633 PMCID: PMC7222789 DOI: 10.3390/ani10040690] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Revised: 04/06/2020] [Accepted: 04/14/2020] [Indexed: 01/03/2023] Open
Abstract
With increases in the frequency, intensity and duration of heat waves forecast plus expansion of tropical agriculture, heat stress (HS) is both a current and an emerging problem. As cinnamon has been shown to increase insulin sensitivity, which is part of the adaptive response to HS, the aim of this experiment was to determine if cinnamon could improve insulin sensitivity and ameliorate HS in grower pigs. In a 2 × 2 factorial design, 36 female Large White × Landrace pigs were fed control (0%) vs. cinnamon (1.5%) diets and housed for 7 day under thermoneutral (20 °C, TN) vs. HS conditions (8 h 35 °C/16 h 28 °C, 35% relative humidity). At the completion of the challenge, insulin sensitivity was assessed by an intravenous glucose tolerance test (IVGTT). Heat stress increased parameters such as respiration rate and rectal temperature. Furthermore, biochemical changes in blood and urine indicated the pigs were experiencing respiratory alkalosis. Minimal modelling of parameters of insulin sensitivity showed that HS pigs had a lower insulin response to the IVGTT and improved insulin sensitivity. Cinnamon had additive effects with heat stress, reflected in lowering the insulin area under curve (AUC) and elevated insulin sensitivity compared to TN. However, this apparent improvement in insulin sensitivity did not ameliorate any of the other physiological symptoms of HS.
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Affiliation(s)
- Jeremy J. Cottrell
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
| | - John B. Furness
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
- Department of Anatomy and Neurosciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia;
| | - Udani A. Wijesiriwardana
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
| | - Mitchell Ringuet
- Department of Anatomy and Neurosciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia;
| | - Fan Liu
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
| | - Kristy DiGiacomo
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
| | - Brian J. Leury
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
| | - Iain J. Clarke
- Department of Physiology, Monash University, Clayton VIC 3168, Monash, Australia;
| | - Frank R. Dunshea
- Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville VIC 3010, Melbourne, Australia; (J.B.F.); (U.A.W.); (F.L.); (K.D.); (B.J.L.); (F.R.D.)
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Fahri FT, Clarke IJ, Pethick DW, Warner RD, Dunshea FR. Rosiglitazone maleate increases weight gain and body fat content in growing lambs. ANIMAL PRODUCTION SCIENCE 2016. [DOI: 10.1071/an14885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Thiazolidinediones (TZD) are synthetic orally active peroxisome proliferator-activated receptor γ ligands used in the treatment of diabetes mellitus. The peroxisome proliferator-activated receptor γ gene plays an important role in regulating fat cell development, energy balance, and lipid metabolism in adipose and skeletal muscle tissue. There is interest in pharmacologic or nutritional means that may complement genetic techniques to improve growth and carcass composition of lambs and the major aim of the present study was to determine whether TZD impact on growth performance and meat quality of growing lambs. An initial study with four cross-bred lambs confirmed that rosiglitazone maleate is absorbed after oral dosing for 7 days. A second study was conducted with 30 cross-bred lambs to investigate the effects of sex (ewe vs wether) and dose of orally administered rosiglitazone maleate (0, 8 and 24 mg/day) for 55 days on growth performance, body composition, plasma metabolites and insulin and meat quality. Feed intake tended to increase linearly with dose of TZD (1521, 1816 and 1878 g/day for 0, 8 and 24 mg/day, P = 0.07) over the entire study, and particularly during the second half of the study (P < 0.05). There were both linear (P = 0.05) and quadratic (P = 0.04) responses in average daily gain to TZD (215, 270 and 261 g/day) with the quadratic response being most pronounced over the second half of the study (P = 0.004). As a result of the increased feed intake back fat (9.4, 11.1 and 13.5 mm, P < 0.001) and carcass fat (27.5%, 29.2% and 30.1%, P = 0.05) increased linearly with dose of TZD. However, there was no effect of TZD on internal fat depots. Plasma non-esterified acid concentrations increased linearly (0.37, 0.39 and 0.41 mM, P = 0.01) whereas plasma insulin concentrations (23.2, 26.9 and 20.9 mU/L, P = 0.05) and the homeostatic model assessment (6.82, 7.73 and 5.98, P = 0.05) exhibited quadratic responses to TZD. There were no significant effects of TZD on muscle pH, temperature or colour although muscle pH was higher at any temperature in ewes (+ 0.05 of a pH unit, P = 0.036) than in wethers. In conclusion, these data confirm that rosiglitazone maleate was rapidly absorbed from the digestive tract of growing ruminant lambs and was metabolically active. Oral TZD treatment appeared to mitigate against the inhibitory effect of carcass fatness on feed intake but the additional energy consumed was in turn deposited as fat.
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Cottrell JJ, Ponnampalam EN, Dunshea FR, Warner RD. Effects of infusing nitric oxide donors and inhibitors on plasma metabolites, muscle lactate production and meat quality in lambs fed a high quality roughage-based diet. Meat Sci 2015; 105:8-15. [PMID: 25747930 DOI: 10.1016/j.meatsci.2015.02.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Revised: 02/07/2015] [Accepted: 02/14/2015] [Indexed: 10/23/2022]
Abstract
As nitric oxide (NO) is postulated to be a mediator of the effects of pre-slaughter stress on meat quality the aims of this experiment were to investigate the effects of modulating NO pharmacologically on meat quality of sedentary lambs. As pharmacological NO donors are prohibitively expensive to use in the lamb model L-Arginine, the substrate for NO synthase (NOS) was infused into lambs and increased NO production by ~30%. In a 2 × 2 factorial design we infused either L-Arginine (500 mg/kg) or the NOS inhibitor L-N(G) nitroarginine methyl ester hydrochloride (L-NAME, 30 mg/kg) 190 min pre-slaughter and investigated meat quality in the Longissimus thoracis lumborum (LTL) or Semimembranosus (SM). The principal outcome of the experiment was that L-NAME inhibited proteolysis and reduced tenderness in the SM. These data indicate that events pre-slaughter that affect NO synthesis can influence meat tenderness, potentially via altered muscle metabolism or modulation of proteolytic enzymes.
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Affiliation(s)
- J J Cottrell
- Australian Sheep Industry CRC, University of New England, Armidale, NSW 2350, Australia; Agriculture Research, Department of Environment and Primary Industries, Werribee, VIC 3030, Australia; Faculty of Veterinary and Agricultural Science, The University of Melbourne, Parkville, VIC 3010, Australia.
| | - E N Ponnampalam
- Australian Sheep Industry CRC, University of New England, Armidale, NSW 2350, Australia; Agriculture Research, Department of Environment and Primary Industries, Werribee, VIC 3030, Australia; Faculty of Veterinary and Agricultural Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - F R Dunshea
- Australian Sheep Industry CRC, University of New England, Armidale, NSW 2350, Australia; Agriculture Research, Department of Environment and Primary Industries, Werribee, VIC 3030, Australia; Faculty of Veterinary and Agricultural Science, The University of Melbourne, Parkville, VIC 3010, Australia
| | - R D Warner
- Australian Sheep Industry CRC, University of New England, Armidale, NSW 2350, Australia; Agriculture Research, Department of Environment and Primary Industries, Werribee, VIC 3030, Australia; Faculty of Veterinary and Agricultural Science, The University of Melbourne, Parkville, VIC 3010, Australia
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Ponnampalam EN, Warner RD, Dunshea FR. Basal and hormone-stimulated metabolism in lambs varies with breed and diet quality. Domest Anim Endocrinol 2012; 42:94-102. [PMID: 22119112 DOI: 10.1016/j.domaniend.2011.10.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Revised: 08/27/2011] [Accepted: 10/06/2011] [Indexed: 11/30/2022]
Abstract
The present study investigated the effects of breed and diet quality on basal and hormone-stimulated energy metabolism in lambs. Twenty-four 7-mo-old merino (MM; n = 12) and second-cross (2X; n = 12) lambs were maintained indoors and fed ad libitum either a low-quality (7.8% crude protein [CP] and 8.1 MJ metabolizable energy [ME]/kg dry matter [DM]) or a moderate-quality (17.6% CP and 9.1 MJ ME/kg DM) diet in a crossover design. After 3 wk of feeding, lambs were injected intravenously with insulin (10 μg/kg body weight [BW]) and epinephrine (0.8 μg/kg BW) on consecutive days and blood samples were collected at -30, -15, -1, 3, 6, 10, 15, 20, 30, 45, 60, 90, and 120 min relative to time of injection. Lambs fed the low-quality diet had lower DM (P < 0.001), CP (P < 0.01), and ME (P < 0.001) intakes than lambs fed the moderate-quality diet. Baseline nonesterified fatty acid (NEFA) concentrations were higher (P < 0.001) in lambs fed a low-quality diet than in those fed a moderate-quality diet but there were no breed differences. Second-cross lambs had higher basal plasma concentrations of glucose (P < 0.001), lactate (P < 0.001), and cortisol (P < 0.02) than the MM lambs, although there was no effect of diet on any of these plasma variables. Insulin injection caused a rapid hypoglycemic response in all lambs but the response was more pronounced (P < 0.01) in MM lambs compared with 2X lambs. The cortisol response to insulin was twice as great (P < 0.05) in MM lambs compared with 2X lambs. There was a rebound in plasma NEFA concentrations after approximately 30 min postinjection that was most pronounced (P < 0.01) in MM lambs. Epinephrine injection caused a rapid increase in plasma NEFA, which tended to be lower in lambs fed the moderate-quality diet (P = 0.07) than in those fed the low-quality diet, but did not differ between breeds. Epinephrine injection caused rapid hyperglycemia, with the response being lower (P < 0.006) in lambs fed the moderate-quality diet compared with those fed the low-quality diet and greater (P < 0.050) in 2X than in MM lambs. Epinephrine injection caused a rapid increase in plasma lactate that tended to be greater (P = 0.07) in 2X lambs compared with MM lambs. The present study demonstrated clear breed differences in basal and hormone-stimulated metabolism, such that the 2X lambs appeared to be less sensitive to insulin and more sensitive to epinephrine than the MM lambs. These metabolic differences may be related to the fundamental differences in physiology that are associated with meat and wool production from 2X and MM breeds, respectively. They may also be related to adaptation of the MM breed to harsh environments through the ability of the body to metabolize fat resources, which are an efficient source of energy for survival.
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Affiliation(s)
- E N Ponnampalam
- CRC for Sheep Industry Innovation, Homestead Building, UNE, Armidale, New South Wales 2350, Australia.
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Cottrell JJ, McDonagh MB, Dunshea FR, Warner RD. Inhibition of nitric oxide release pre-slaughter increases post-mortem glycolysis and improves tenderness in ovine muscles. Meat Sci 2008; 80:511-21. [PMID: 22063360 DOI: 10.1016/j.meatsci.2008.02.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2007] [Revised: 02/04/2008] [Accepted: 02/05/2008] [Indexed: 11/26/2022]
Abstract
The aim of this experiment was to determine the effect of inhibiting the release of nitric oxide (NO) pre-slaughter in lambs on post-slaughter muscle metabolism and meat quality. Exercise was used as a positive control as NO is known to be released in skeletal muscle during exercise. Forty Border Leicester×Merino lambs were assigned to the treatments L-NAME (NO synthase inhibitor) infusion (0mg/kg vs. 30mg/kg, 135min pre-slaughter) and exercise (none vs. 15min immediately pre-slaughter). The inhibition of NO release using L-NAME reduced Warner-Bratzler shear force (WBSF) in the longissimus thoracis et lumborum (LTL) after 3days of ageing, while the Semimembranosous (SM) was unaffected. Inhibition of NO release with L-NAME resulted in altered glucose metabolism as indicated by reduced plasma glucose pre-slaughter particularly in exercised lambs, reduced LTL and SM glycogen of non-exercised lambs post-slaughter and increased SM lactate in exercised lambs post-slaughter. In conclusion, inhibition of NO Synthase with L-NAME pre-slaughter increases post-mortem glycolysis and improves tenderness in the loin muscle.
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Affiliation(s)
- J J Cottrell
- Victoria University, Hoppers Lane, Werribee, Vic., 3030, Australia; Department of Primary Industries, Primary Industries Research Victoria, 600 Sneydes Road, Werribee, Vic. 3030, Australia
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