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Huang F, Ding Z, Chen J, Guo B, Wang L, Liu C, Zhang C. Contribution of mitochondria to postmortem muscle tenderization: a review. Crit Rev Food Sci Nutr 2023:1-17. [PMID: 37819615 DOI: 10.1080/10408398.2023.2266767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/13/2023]
Abstract
Postmortem meat tenderization is a process mediated by a series of biochemical reactions related to muscle cell death. Cell death is considered a sign that muscle has started to transform into meat. Mitochondria play a significant role in regulating and executing cell death, as they are an aggregation point for many cell death signals and are also the primary target organelle damaged by tissue anoxia. Mitochondrial damage is likely to have an expanded role in postmortem meat tenderization. This review presents current findings on mitochondrial damage induced by the accumulation of reactive oxygen species during postmortem anaerobic metabolism and on the impact of mitochondrial damage on proteolysis and discusses how this leads to improved tenderness during aging. The underlying mechanisms of mitochondrial regulation of postmortem muscle tenderization likely focus on the mitochondria's role in postmortem cell death and energy metabolism. The death process of postmortem skeletal muscle cells may exhibit multiple types, possibly involving transformation from autophagy to apoptosis and, ultimately, necroptosis or necrosis. Mitochondrial characteristics, especially membrane integrity and ATP-related compound levels, are closely related to the transformation of multiple types of dead postmortem muscle cells. Finally, a possible biochemical regulatory network in postmortem muscle tenderization is proposed.
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Affiliation(s)
- Feng Huang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing, China
| | - Zhenjiang Ding
- Beijing Key Laboratory of the Innovative Development of Functional Staple and Nutritional Intervention for Chronic Diseases, China National Research Institute of Food and Fermentation Industries, Beijing, China
| | - Jinsong Chen
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing, China
| | - Bing Guo
- Adisseo Asia Pacific Pte Ltd, Singapore, Singapore
| | - Linlin Wang
- College of Food Science and Technology, Southwest Minzu University, Chengdu, Sichuan, China
| | - Chunmei Liu
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing, China
| | - Chunhui Zhang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing, Ministry of Agriculture, Beijing, China
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Malik AM, Wu JJ, Gillies CA, Doctrove QA, Li X, Huang H, Tank EHM, Shakkottai VG, Barmada S. Neuronal activity regulates Matrin 3 abundance and function in a calcium-dependent manner through calpain-mediated cleavage and calmodulin binding. Proc Natl Acad Sci U S A 2023; 120:e2206217120. [PMID: 37011198 PMCID: PMC10104577 DOI: 10.1073/pnas.2206217120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Accepted: 02/14/2023] [Indexed: 04/05/2023] Open
Abstract
RNA-binding protein (RBP) dysfunction is a fundamental hallmark of amyotrophic lateral sclerosis (ALS) and related neuromuscular disorders. Abnormal neuronal excitability is also a conserved feature in ALS patients and disease models, yet little is known about how activity-dependent processes regulate RBP levels and functions. Mutations in the gene encoding the RBP Matrin 3 (MATR3) cause familial disease, and MATR3 pathology has also been observed in sporadic ALS, suggesting a key role for MATR3 in disease pathogenesis. Here, we show that glutamatergic activity drives MATR3 degradation through an NMDA receptor-, Ca2+-, and calpain-dependent mechanism. The most common pathogenic MATR3 mutation renders it resistant to calpain degradation, suggesting a link between activity-dependent MATR3 regulation and disease. We also demonstrate that Ca2+ regulates MATR3 through a nondegradative process involving the binding of Ca2+/calmodulin to MATR3 and inhibition of its RNA-binding ability. These findings indicate that neuronal activity impacts both the abundance and function of MATR3, underscoring the effect of activity on RBPs and providing a foundation for further study of Ca2+-coupled regulation of RBPs implicated in ALS and related neurological diseases.
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Affiliation(s)
- Ahmed M. Malik
- Medical Scientist Training Program, University of Michigan, Ann Arbor, MI48109
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI48109
- Department of Neurology, University of Michigan, Ann Arbor, MI48109
| | - Josephine J. Wu
- Department of Neurology, University of Michigan, Ann Arbor, MI48109
- Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI48109
| | - Christie A. Gillies
- College of Literature, Science, and the Arts, University of Michigan, Ann Arbor, MI48109
| | - Quinlan A. Doctrove
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI48109
- Postbac Research Education Program, University of Michigan, Ann Arbor, MI48109
| | - Xingli Li
- Department of Neurology, University of Michigan, Ann Arbor, MI48109
| | - Haoran Huang
- University of Texas Southwestern Medical Center, Dallas, TX 75390
| | | | | | - Sami Barmada
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI48109
- Department of Neurology, University of Michigan, Ann Arbor, MI48109
- Cellular and Molecular Biology Graduate Program, University of Michigan, Ann Arbor, MI48109
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Howard EE, Shankaran M, Evans WJ, Berryman CE, Margolis LM, Lieberman HR, Karl JP, Young AJ, Montano MA, Matthews MD, Bizieff A, Nyangao E, Mohammed H, Harris MN, Hellerstein MK, Rood JC, Pasiakos SM. Effects of Testosterone on Mixed-Muscle Protein Synthesis and Proteome Dynamics During Energy Deficit. J Clin Endocrinol Metab 2022; 107:e3254-e3263. [PMID: 35532889 DOI: 10.1210/clinem/dgac295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Indexed: 11/19/2022]
Abstract
CONTEXT Effects of testosterone on integrated muscle protein metabolism and muscle mass during energy deficit are undetermined. OBJECTIVE The objective was to determine the effects of testosterone on mixed-muscle protein synthesis (MPS), proteome-wide fractional synthesis rates (FSR), and skeletal muscle mass during energy deficit. DESIGN This was a randomized, double-blind, placebo-controlled trial. SETTING The study was conducted at Pennington Biomedical Research Center. PARTICIPANTS Fifty healthy men. INTERVENTION The study consisted of 14 days of weight maintenance, followed by a 28-day 55% energy deficit with 200 mg testosterone enanthate (TEST, n = 24) or placebo (PLA, n = 26) weekly, and up to 42 days of ad libitum recovery feeding. MAIN OUTCOME MEASURES Mixed-MPS and proteome-wide FSR before (Pre), during (Mid), and after (Post) the energy deficit were determined using heavy water (days 1-42) and muscle biopsies. Muscle mass was determined using the D3-creatine dilution method. RESULTS Mixed-MPS was lower than Pre at Mid and Post (P < 0.0005), with no difference between TEST and PLA. The proportion of individual proteins with numerically higher FSR in TEST than PLA was significant by 2-tailed binomial test at Post (52/67; P < 0.05), but not Mid (32/67; P > 0.05). Muscle mass was unchanged during energy deficit but was greater in TEST than PLA during recovery (P < 0.05). CONCLUSIONS The high proportion of individual proteins with greater FSR in TEST than PLA at Post suggests exogenous testosterone exerted a delayed but broad stimulatory effect on synthesis rates across the muscle proteome during energy deficit, resulting in muscle mass accretion during subsequent recovery.
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Affiliation(s)
- Emily E Howard
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
- Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
| | - Mahalakshmi Shankaran
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Willian J Evans
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Claire E Berryman
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
- Oak Ridge Institute for Science and Education, Oak Ridge, TN 37830, USA
- Department of Nutrition, Food, and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
| | - Lee M Margolis
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Harris R Lieberman
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - J Philip Karl
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Andrew J Young
- Military Nutrit ion Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
| | - Monty A Montano
- MyoSyntax Corporation, Worcester, MA 01605, USA
- Harvard Medical School, Boston, MA 02115, USA
- Brigham and Women's Hospital, Boston, MA 02115, USA
| | - Marcy D Matthews
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Alec Bizieff
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Edna Nyangao
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Hussein Mohammed
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Melissa N Harris
- Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
| | - Marc K Hellerstein
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, CA 94720, USA
| | - Jennifer C Rood
- Pennington Biomedical Research Center, Baton Rouge, LA 70808, USA
| | - Stefan M Pasiakos
- Military Performance Division, U.S. Army Research Institute of Environmental Medicine, Natick, MA 01760, USA
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Motter MM, Corva PM, Soria LA. Expression of calpastatin isoforms in three skeletal muscles of Angus steers and their association with fiber type composition and proteolytic potential. Meat Sci 2020; 171:108267. [PMID: 32745871 DOI: 10.1016/j.meatsci.2020.108267] [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: 05/08/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 10/23/2022]
Abstract
This study aimed to evaluate the expression of calpastatin (CAST) isoforms and their potential associations with fiber type composition (%RA), calpastatin activity (CA) and myofibril fragmentation index (MFI) in three muscles with known differences in tenderness (infraspinatus, triceps brachii and semitendinosus) of Angus steers. Expression of total CAST (CAST-T) and CAST isoforms I, II, III (2-3) and III (2-4) (including or not exon 3) was evaluated by qRT-PCR. CAST expression and CA were significantly higher and MFI was lower in semitendinosus, the muscle with the highest %RA of IIX fibers. Differential expression of isoforms defined the variability in CAST-T among muscles. Semitendinosus had a higher expression of isoforms II and III (2-3), but lower expression of III (2-4) compared to the other two muscles. Relative expression of isoforms II and III that were defined by promoter preference linked to alternative splicing, seem to be the main factors explaining differences in CAST expression and ultimately in MFI among muscles.
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Affiliation(s)
- Mariana M Motter
- Universidad de Buenos Aires, Facultad de Ciencias Veterinarias, Cátedra de Genética, Chorroarín 280 (1427), Buenos Aires, Argentina
| | - Pablo M Corva
- Universidad Nacional de Mar del Plata, Facultad de Ciencias Agrarias, Unidad Integrada Balcarce, Departamento de Producción Animal, CC276 (CP7620) Balcarce, Argentina
| | - Liliana A Soria
- Universidad de Buenos Aires, Facultad de Ciencias Veterinarias, Cátedra de Genética, Chorroarín 280 (1427), Buenos Aires, Argentina.
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Single Loci and Haplotypes in CAPN1 and CAST Genes are Associated with Growth, Biometrics, and in Vivo Carcass Traits in Santa Inês Sheep. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2020-0007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
µ-calpain (CAPN1) and calpastatin (CAST) genes play key roles in protein turnover. The present study aimed to identify the variants in these genes associated with growth and ultrasound carcass traits in Santa Inês sheep. A sample of 192 no full sibling Santa Inês lambs was used. Fragments of the CAST and CAPN1 genes were amplified and next-generation sequencing was performed in the MiSeq platform. Variants in the CAPN1 and CAST sequences were then detected using bioinformatic tools. Withers and croup heights, body length, thoracic and croup widths, thoracic and leg girths, body depth, carcass fat score, rib eye area, fat thickness, body weights were recorded at weaning and at 140 days post-weaning, and average daily gain post-weaning was calculated. Both single-locus and haplotype association analyses were performed with the model as follows: farm (2 levels), year (4 levels), the month of birth (12 levels), and the covariate age of the animal. The fragments amplified included 4,514 bp between the 20th and 23rd exons of CAST as well as 3,927 bp between the 12th and 21st exons of CAPN1. In these regions, 58 (CAST) and 45 (CAPN1) variants were identified. In the CAST gene, the single-locus analysis revealed 22 suggestive additive effects (P<0.05) on several growth and carcass traits. Moreover, haplotype substitutions were associated with rib eye area (–0.689±0.290), average daily gain (–23.6±10.4), thoracic girth (–2.72±1.27), body length (–3.38±1.49), and leg girth (–2.84±1.37). Regarding the CAPN1 gene, the single-locus analysis identified seven suggestive additive effects, while only one haplotype replacement effect on fat thickness (–0.0143±0.0053) was detected. The results of the present study suggest that variants in the CAPN1 and CAST genes are associated with growth and ultrasound carcass traits in Santa Inês sheep, which may be a source of information to improve knowledge regarding the genetic control of these traits.
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Gharahdaghi N, Rudrappa S, Brook MS, Idris I, Crossland H, Hamrock C, Abdul Aziz MH, Kadi F, Tarum J, Greenhaff PL, Constantin-Teodosiu D, Cegielski J, Phillips BE, Wilkinson DJ, Szewczyk NJ, Smith K, Atherton PJ. Testosterone therapy induces molecular programming augmenting physiological adaptations to resistance exercise in older men. J Cachexia Sarcopenia Muscle 2019; 10:1276-1294. [PMID: 31568675 PMCID: PMC6903447 DOI: 10.1002/jcsm.12472] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 05/14/2019] [Accepted: 06/12/2019] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND The andropause is associated with declines in serum testosterone (T), loss of muscle mass (sarcopenia), and frailty. Two major interventions purported to offset sarcopenia are anabolic steroid therapies and resistance exercise training (RET). Nonetheless, the efficacy and physiological and molecular impacts of T therapy adjuvant to short-term RET remain poorly defined. METHODS Eighteen non-hypogonadal healthy older men, 65-75 years, were assigned in a random double-blinded fashion to receive, biweekly, either placebo (P, saline, n = 9) or T (Sustanon 250 mg, n = 9) injections over 6 week whole-body RET (three sets of 8-10 repetitions at 80% one-repetition maximum). Subjects underwent dual-energy X-ray absorptiometry, ultrasound of vastus lateralis (VL) muscle architecture, and knee extensor isometric muscle force tests; VL muscle biopsies were taken to quantify myogenic/anabolic gene expression, anabolic signalling, muscle protein synthesis (D2 O), and breakdown (extrapolated). RESULTS Testosterone adjuvant to RET augmented total fat-free mass (P=0.007), legs fat-free mass (P=0.02), and appendicular fat-free mass (P=0.001) gains while decreasing total fat mass (P=0.02). Augmentations in VL muscle thickness, fascicle length, and quadriceps cross-section area with RET occured to a greater extent in T (P < 0.05). Sum strength (P=0.0009) and maximal voluntary contract (e.g. knee extension at 70°) (P=0.002) increased significantly more in the T group. Mechanistically, both muscle protein synthesis rates (T: 2.13 ± 0.21%·day-1 vs. P: 1.34 ± 0.13%·day-1 , P=0.0009) and absolute breakdown rates (T: 140.2 ± 15.8 g·day-1 vs. P: 90.2 ± 11.7 g·day-1 , P=0.02) were elevated with T therapy, which led to higher net turnover and protein accretion in the T group (T: 8.3 ± 1.4 g·day-1 vs. P: 1.9 ± 1.2 g·day-1 , P=0.004). Increases in ribosomal biogenesis (RNA:DNA ratio); mRNA expression relating to T metabolism (androgen receptor: 1.4-fold; Srd5a1: 1.6-fold; AKR1C3: 2.1-fold; and HSD17β3: two-fold); insulin-like growth factor (IGF)-1 signalling [IGF-1Ea (3.5-fold) and IGF-1Ec (three-fold)] and myogenic regulatory factors; and the activity of anabolic signalling (e.g. mTOR, AKT, and RPS6; P < 0.05) were all up-regulated with T therapy. Only T up-regulated mitochondrial citrate synthase activity (P=0.03) and transcription factor A (1.41 ± 0.2-fold, P=0.0002), in addition to peroxisome proliferator-activated receptor-γ co-activator 1-α mRNA (1.19 ± 0.21-fold, P=0.037). CONCLUSIONS Administration of T adjuvant to RET enhanced skeletal muscle mass and performance, while up-regulating myogenic gene programming, myocellular translational efficiency and capacity, collectively resulting in higher protein turnover, and net protein accretion. T coupled with RET is an effective short-term intervention to improve muscle mass/function in older non-hypogonadal men.
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Affiliation(s)
- Nima Gharahdaghi
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Supreeth Rudrappa
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Matthew S Brook
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Iskandar Idris
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Hannah Crossland
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Claire Hamrock
- Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland
| | - Muhammad Hariz Abdul Aziz
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Fawzi Kadi
- Division of Sports Sciences, School of Health and Medical Sciences, Örebro University, Örebro, Sweden
| | - Janelle Tarum
- Division of Sports Sciences, School of Health and Medical Sciences, Örebro University, Örebro, Sweden
| | - Paul L Greenhaff
- MRC-ARUK Centre for Musculoskeletal Ageing Research, School of Life Sciences, University of Nottingham, Nottingham, Nottingham, UK
| | - Dumitru Constantin-Teodosiu
- MRC-ARUK Centre for Musculoskeletal Ageing Research, School of Life Sciences, University of Nottingham, Nottingham, Nottingham, UK
| | - Jessica Cegielski
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Bethan E Phillips
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Daniel J Wilkinson
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Nathaniel J Szewczyk
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Kenneth Smith
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
| | - Philip J Atherton
- MRC-ARUK Centre for Musculoskeletal Ageing Research and Nottingham NIHR BRC, School of Medicine, University of Nottingham, Derby, UK
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Mikołajczak B, Iwańska E, Spychaj A, Danyluk B, Montowska M, Grześ B, Banach JK, Żywica R, Pospiech E. An analysis of the influence of various tenderising treatments on the tenderness of meat from Polish Holstein-Friesian bulls and the course of changes in collagen. Meat Sci 2019; 158:107906. [PMID: 31398624 DOI: 10.1016/j.meatsci.2019.107906] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 07/17/2019] [Accepted: 07/30/2019] [Indexed: 01/08/2023]
Abstract
The aim of the study was to analyse the influence of tenderising treatments applied to the carcasses of Polish Holstein-Friesian (PHF) bulls of Black-and-White variety on the process of meat tenderisation and to assess the role of collagen in this process. The research was carried out on m. longissimus thoracis et lumborum. The carcasses were subjected to high-voltage electrical stimulation (ES), conditioning (CD), and both treatments together (ES + CD). The carcasses which were only refrigerated were the control group. The content of collagen in meat, its solubility, the share of the polypeptide subunits α1(I)CB7 and α1(I)CB8 of type I collagen and α1(III)CB5 of type III collagen were also analysed. ES with and without CD significantly accelerated the meat tenderisation and increased collagen solubility. CD always caused the degradation of type I collagen subunits, especially the α1(I)CB7 subunit. However, CD had significantly lesser influence on the rate of meat tenderisation than ES.
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Affiliation(s)
- B Mikołajczak
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland.
| | - E Iwańska
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
| | - A Spychaj
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
| | - B Danyluk
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
| | - M Montowska
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
| | - B Grześ
- Department of Meat and Fat Technology, prof. Wacław Dąbrowski Institute of Agricultural and Food Biotechnology in Warsaw, ul. Rakowiecka 36, 02-532 Warsaw, Poland
| | - J K Banach
- Department of Commodity Science, Faculty of Economics, University of Warmia and Mazury in Olsztyn, Pl. Cieszyński 1, 10-975 Olsztyn, Poland
| | - R Żywica
- Department of Commodity Science, Faculty of Economics, University of Warmia and Mazury in Olsztyn, Pl. Cieszyński 1, 10-975 Olsztyn, Poland
| | - E Pospiech
- Department of Meat Technology, Poznań University of Life Sciences, ul. Wojska Polskiego 31, 60-624 Poznań, Poland
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Meat quality traits and the expression of tenderness-related genes in the loins of young goats at different ages. Animal 2019; 13:2419-2428. [PMID: 30854997 DOI: 10.1017/s1751731119000405] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Goat meat is considered healthy because of its low fat content, but it is often rather tough. Tenderness is the most important attribute of quality during meat consumption and there is scarce information about the expression of genes involved in the meat tenderization process in goats. The aim of this trial was to assess certain meat quality traits and the expression, at the messenger RNA (mRNA) and protein levels, of specific genes involved in the tenderization process of the longissimus lumborum (LL) in young male goats (Capra hircus) at different ages. Samples of LL were collected at slaughter from 32 Alpine goats that were divided into three categories: 9 suckling kids (Sk) at 5.4±0.15 weeks of age, 16 chevons (Ch) at 17.1±0.55 weeks of age and 7 post-puberal goats (Pu) at 34.3±2.5 weeks of age. Animal and carcass variables (live weight gain, live weight, carcass weight and fat deposits) and quality traits of meat (lipid content, ultimate pH, color parameters, cooking loss and shear force) were determined. The mRNA abundances of calpain-1 (Capn1), calpain-2 (Capn2), calpastatin (Cast), caspase 3 (Casp3), caspase 9 (Casp9), αB-crystallin (Cryab), heat shock protein 27 (Hsp27), heat shock protein 40 (Hsp40) and heat shock protein 70 (Hsp70) were detected by quantitative PCR. Capn1, Cast, Cryab and Hsp27 protein expression was investigated by ELISA. The Sk group had the leanest carcasses. The meat of the Pu group was the darkest (P<0.05) and the toughest (P<0.05). The redness of meat increased with the age of the goats. The Sk group showed lower mRNA abundances for the Capn2/Cast ratio, Casp3, Cryab, Hsp27, Hsp40 and Hsp70 than the Pu group (P<0.05). Intermediate values were found for the Ch group. Similar results were highlighted for the protein expression of Cryab and Hsp27. The experiment acknowledged a differentiation of the experimental groups based on performance, carcass and meat characteristics, and the genes considered. Moreover, Sk and Pu groups, characterized by a different tenderness of their meat, were clearly discriminated by a different expression of the Hsp.
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Ramos-Pinto L, Lopes G, Sousa V, Castro LFC, Schrama D, Rodrigues P, Valente LMP. Dietary Creatine Supplementation in Gilthead Seabream ( Sparus aurata) Increases Dorsal Muscle Area and the Expression of myod1 and capn1 Genes. Front Endocrinol (Lausanne) 2019; 10:161. [PMID: 30984105 PMCID: PMC6448531 DOI: 10.3389/fendo.2019.00161] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Accepted: 02/25/2019] [Indexed: 01/12/2023] Open
Abstract
Creatine (Cr) is an amino acid derivative with an important role in the cell as energy buffer that has been largely used as dietary supplement to increase muscle strength and lean body mass in healthy individuals and athletes. However, studies in fish are scarce. The aim of this work is to determine whether dietary Cr supplementation affects muscle growth in gilthead seabream (Sparus aurata) juveniles. Fish were fed ad libitum for 69 days with diets containing three increasing levels of creatine monohydrate (2, 5, and 8%) that were compared with a non-supplemented control (CTRL) diet. At the end of the trial, the fast-twist skeletal muscle growth dynamics (muscle cellularity) and the expression of muscle-related genes were evaluated. There was a general trend for Cr-fed fish to be larger and longer than those fed the CTRL, but no significant differences in daily growth index (DGI) were registered among dietary treatments. The dorsal cross-sectional muscle area (DMA) of fish fed Cr 5 and Cr 8% was significantly larger than that of fish fed CTRL. The groups supplemented with Cr systematically had a higher relative number of both small-sized (≤20 μm) and large-sized fibers (≥120 μm). Dorsal total fibers number was highest in fish fed 5% Cr. In fish supplemented with 5% Cr, the relative expression of myogenic differentiation 1 (myod1) increased almost four times compared to those fed the CTRL diet. The relative expression of calpain 3 (capn3) was highest in fish fed diets with 2% Cr supplementation, but did not differ significantly from those fed the CTRL or Cr 5%. The myod1 gene expression had a positive and significant correlation with that of capn1, capns1a, and capn3 expression. These results suggest that the observed modulation of gene expression was not enough to produce a significant alteration in muscle phenotype under the tested conditions, as a non-significant increase in muscle fiber diameter and higher total number of fiber was observed, but still resulted in increased DMA. Additional studies may be required in order to better clarify the effect of dietary Cr supplementation in fish, possibly in conjunction with induced resistance training.
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Affiliation(s)
- Lourenço Ramos-Pinto
- ICBAS-UP, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Novo Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
| | - Graciliana Lopes
- Centro Interdisciplinar de Investigação Marinha e Ambiental/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Novo Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
- Department of Biology, Faculty of Sciences (FCUP), University of Porto, Porto, Portugal
| | - Vera Sousa
- ICBAS-UP, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Novo Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
| | - L. Filipe C. Castro
- Centro Interdisciplinar de Investigação Marinha e Ambiental/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Novo Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
- Department of Biology, Faculty of Sciences (FCUP), University of Porto, Porto, Portugal
| | - Denise Schrama
- Centre of Marine Sciences of Algarve (CCMAR), University of Algarve, de Gambelas, Faro, Portugal
| | - Pedro Rodrigues
- Centre of Marine Sciences of Algarve (CCMAR), University of Algarve, de Gambelas, Faro, Portugal
- Department of Chemistry and Pharmacy, University of Algarve, de Gambelas, Faro, Portugal
| | - Luísa M. P. Valente
- ICBAS-UP, Instituto de Ciências Biomédicas de Abel Salazar, Universidade do Porto, Porto, Portugal
- Centro Interdisciplinar de Investigação Marinha e Ambiental/CIMAR, Interdisciplinary Centre of Marine and Environmental Research, Novo Edifício do Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
- *Correspondence: Luísa M. P. Valente
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Aweida D, Rudesky I, Volodin A, Shimko E, Cohen S. GSK3-β promotes calpain-1-mediated desmin filament depolymerization and myofibril loss in atrophy. J Cell Biol 2018; 217:3698-3714. [PMID: 30061109 PMCID: PMC6168250 DOI: 10.1083/jcb.201802018] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2018] [Revised: 06/06/2018] [Accepted: 07/16/2018] [Indexed: 12/16/2022] Open
Abstract
Phosphorylation by protein kinase GSK3-β is essential for desmin filament depolymerization by calpain-1 and the resulting myofibril destruction in muscle atrophy. Myofibril breakdown is a fundamental cause of muscle wasting and inevitable sequel of aging and disease. We demonstrated that myofibril loss requires depolymerization of the desmin cytoskeleton, which is activated by phosphorylation. Here, we developed a mass spectrometry–based kinase-trap assay and identified glycogen synthase kinase 3-β (GSK3-β) as responsible for desmin phosphorylation. GSK3-β inhibition in mice prevented desmin phosphorylation and depolymerization and blocked atrophy upon fasting or denervation. Desmin was phosphorylated by GSK3-β 3 d after denervation, but depolymerized only 4 d later when cytosolic Ca2+ levels rose. Mass spectrometry analysis identified GSK3-β and the Ca2+-specific protease, calpain-1, bound to desmin and catalyzing its disassembly. Consistently, calpain-1 down-regulation prevented loss of phosphorylated desmin and blocked atrophy. Thus, phosphorylation of desmin filaments by GSK3-β is a key molecular event required for calpain-1–mediated depolymerization, and the subsequent myofibril destruction. Consequently, GSK3-β represents a novel drug target to prevent myofibril breakdown and atrophy.
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Affiliation(s)
- Dina Aweida
- Faculty of Biology, Technion Institute of Technology, Haifa, Israel
| | - Inga Rudesky
- Faculty of Biology, Technion Institute of Technology, Haifa, Israel
| | | | - Eitan Shimko
- Faculty of Biology, Technion Institute of Technology, Haifa, Israel
| | - Shenhav Cohen
- Faculty of Biology, Technion Institute of Technology, Haifa, Israel
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The effects of Capn1 gene inactivation on the differential expression of genes in skeletal muscle. Gene 2018; 668:54-58. [PMID: 29775750 DOI: 10.1016/j.gene.2018.05.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 03/06/2018] [Accepted: 05/13/2018] [Indexed: 01/25/2023]
Abstract
Protein turnover is required for muscle growth and regeneration and several proteolytic enzymes, including the calpains, degrade myofibrillar proteins during this process. In a previous experiment, phenotypic differences were observed between μ-calpain knockout (KO) and wild type (WT) mice, including nutrient accretion and fiber type differences. These changes were particularly evident as the animals aged. Thus, we utilized 18 mice (9 KO and 9 WT) to compare transcript abundance to identify differentially expressed genes (DEGs) at 52 wk of age. A total of 55 genes were differentially expressed, including adiponectin, phosphoenolpyruvate carboxykinase 1, uncoupling protein 1, and lysine deficient protein kinase 2. These genes were analyzed for over- and underrepresented gene ontology (GO) terms. Several GO terms, including response to cytokine, response to interferon-beta, regulation of protein phosphorylation, and hydrolase activity, were identified as overrepresented. Pathways related to taurine biosynthesis, nitric oxide synthase signaling, amyloid processing, and L-cysteine degradation were also identified. Our results are consistent with previous experiments, in that identified DEGs may explain, at least in part, some of the phenotypic differences between μ-calpain KO and WT mice. Clearly muscle growth and maintenance are complex, multifaceted processes. Genes affected by the silencing of the μ-calpain gene have been identified, but the relationship between μ-calpain and these pathways requires further investigation.
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Lu Y, Bradley JS, McCoski SR, Gonzalez JM, Ealy AD, Johnson SE. Reduced skeletal muscle fiber size following caloric restriction is associated with calpain-mediated proteolysis and attenuation of IGF-1 signaling. Am J Physiol Regul Integr Comp Physiol 2017; 312:R806-R815. [PMID: 28228415 DOI: 10.1152/ajpregu.00400.2016] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 01/24/2023]
Abstract
Caloric restriction decreases skeletal muscle mass in mammals, principally due to a reduction in fiber size. The effect of suboptimal nutrient intake on skeletal muscle metabolic properties in neonatal calves was examined. The longissimus muscle (LM) was collected after a control (CON) or caloric restricted (CR) diet was cosnumed for 8 wk and muscle fiber size, gene expression, and metabolic signal transduction activity were measured. Results revealed that CR animals had smaller (P < 0.05) LM fiber cross-sectional area than CON, as expected. Western blot analysis detected equivalent amounts of peroxisome proliferator-activated receptor-γ coactivator-1α (PGC1α) but reduced (P < 0.05) amounts of the splice-variant, PGC1α-4 in CR LM. Expression of IGF-1, a PGC1α-4 target gene, was 40% less (P < 0.05) in CR than CON. Downstream mediators of autocrine IGF-1 signaling also are attenuated in CR by comparison with CON. The amount of phosphorylated AKT1 was less (P < 0.05) in CR than CON. The ratio of p4EBP1T37/46 to total 4EBP1, a downstream mediator of AKT1, did not differ between CON and CR. By contrast, protein lysates from CR LM contained less (P < 0.05) total glycogen synthase kinase-3β (GSK3β) and phosphorylated GSK3β than CON LM, suggesting blunted protein synthesis. Smaller CR LM fiber size associates with increased (P < 0.05) calpain 1 (CAPN1) activity coupled with lower (P < 0.05) expression of calpastatin, the endogenous inhibitor of CAPN1. Atrogin-1 and MuRF expression and autophagy components were unaffected by CR. Thus CR suppresses the hypertrophic PGC1α-4/IGF-1/AKT1 pathway while promoting activation of the calpain system.
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Affiliation(s)
- Yue Lu
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg Virginia; and
| | - Jennifer S Bradley
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg Virginia; and
| | - Sarah R McCoski
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg Virginia; and
| | - John M Gonzalez
- Department of Animal Sciences and Industry, Kansas State University, Manhattan, Kansas
| | - Alan D Ealy
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg Virginia; and
| | - Sally E Johnson
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg Virginia; and
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