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Wang L, Yin J, Liao C, Cheng R, Chen F, Yu H, Zhang X. Selenium deficiency-induced high concentration of reactive oxygen species restricts hypertrophic growth of skeletal muscle in juvenile zebrafish by suppressing TORC1-mediated protein synthesis. Br J Nutr 2023; 130:1841-1851. [PMID: 37246564 DOI: 10.1017/s0007114523000934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Se deficiency causes impaired growth of fish skeletal muscle due to the retarded hypertrophy of muscle fibres. However, the inner mechanisms remain unclear. According to our previous researches, we infer this phenomenon is associated with Se deficiency-induced high concentration of reactive oxygen species (ROS), which could suppress the target of rapamycin complex 1 (TORC1) pathway-mediated protein synthesis by inhibiting protein kinase B (Akt), an upstream protein of TORC1. To test this hypothesis, juvenile zebrafish (45 d post-fertilisation) were fed a basal Se-adequate diet or a basal Se-deficient diet or them supplemented with an antioxidant (DL-α-tocopherol acetate, designed as VE) or a TOR activator (MHY1485) for 30 d. Zebrafish fed Se-deficient diets exhibited a clear Se-deficient status in skeletal muscle, which was not influenced by dietary VE and MHY1485. Se deficiency significantly elevated ROS concentrations, inhibited Akt activity and TORC1 pathway, suppressed protein synthesis in skeletal muscle, and impaired hypertrophy of skeletal muscle fibres. However, these negative effects of Se deficiency were partly (except that on ROS concentration) alleviated by dietary MHY1485 and completely alleviated by dietary VE. These data strongly support our speculation that Se deficiency-induced high concentration of ROS exerts a clear inhibiting effect on TORC1 pathway-mediated protein synthesis by regulating Akt activity, thereby restricting the hypertrophy of skeletal muscle fibres in fish. Our findings provide a mechanistic explanation for Se deficiency-caused retardation of fish skeletal muscle growth, contributing to a better understanding of the nutritional necessity and regulatory mechanisms of Se in fish muscle physiology.
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Affiliation(s)
- Li Wang
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
- National R&D Center for Se-rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan430048, People's Republic of China
- School of Modern Industry for Selenium Science and Engineering, Wuhan Polytechnic University, Wuhan430048, People's Republic of China
| | - Jiaojiao Yin
- College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, People's Republic of China
| | - Chenlei Liao
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
| | - Rui Cheng
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
| | - Feifei Chen
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
| | - Haodong Yu
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
| | - Xuezhen Zhang
- College of Fisheries, Huazhong Agricultural University, Wuhan430070, People's Republic of China
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, Wuhan430070, People's Republic of China
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Wuhan430070, People's Republic of China
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He Z, Xu C, Chen F, Lou Y, Nie G, Xie D. Dietary DHA Enhanced the Textural Firmness of Common Carp ( Cyprinus carpio L.) Fed Plant-Derived Diets through Restraining FoxO1 Pathways. Foods 2022; 11:foods11223600. [PMID: 36429191 PMCID: PMC9689754 DOI: 10.3390/foods11223600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/27/2022] [Accepted: 11/08/2022] [Indexed: 11/16/2022] Open
Abstract
Omega-3 fatty acids have a positive effect on the muscle textural firmness of fish, while the intrinsic mechanism is poorly understood. To investigate the potential mechanism of textural modification caused by dietary docosahexaenoic acid ( DHA) in common carp (Cyprinus carpio L.), three plant-derived diets with varying DHA levels (0%, 0.5%, 1%, D1-D3) were prepared to feed juveniles (initial weight 15.27 ± 0.77 g) for 8 weeks, and the muscular texture, fibers density, and transcriptome were analyzed. The results showed that the growth performance, muscular DHA content, fibers density, and texture of the fish fed diets D2 and D3 were significantly ameliorated compared with the fish fed diet D1. The muscular transcriptome profiles indicated that the up-regulated genes of fish fed dietary DHA mainly in response to muscle proliferation, as well as the FoxO pathway, were significantly enriched in the D2 and D3 groups. Consistent with this, the Quantitative Real-Time PCR (qRT-PCR ) assays indicated that the expression of myogenic regulatory factors (myog, myod, mrf4, mrf5) was up-regulated in the high-DHA groups. Additionally, the expression of foxo1 (inhibitor of myofiber development) mRNA was down-regulated, while its negative regulatory pathway (MAPK and PI3K) was activated in the D2 and D3 groups. The results suggested that the DHA supplementation is beneficial to modifying the muscular textural firmness of common carp fed plant-derived diets, which could be attributed to the inhibition of FoxO1 pathways.
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Affiliation(s)
- Zijie He
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
- Laboratory of Aquatic Animal Nutrition and Diet, College of Fisheries, Henan Normal University, Xinxiang 453007, China
| | - Chao Xu
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Fang Chen
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Yunkun Lou
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Guoxing Nie
- Laboratory of Aquatic Animal Nutrition and Diet, College of Fisheries, Henan Normal University, Xinxiang 453007, China
- Correspondence: (G.N.); (D.X.); Tel./Fax: +86-373-3329129 (G.N.); +86-20-85283529 (D.X.)
| | - Dizhi Xie
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
- Correspondence: (G.N.); (D.X.); Tel./Fax: +86-373-3329129 (G.N.); +86-20-85283529 (D.X.)
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Basto A, Calduch-Giner J, Oliveira B, Petit L, Sá T, Maia MRG, Fonseca SC, Matos E, Pérez-Sánchez J, Valente LMP. The Use of Defatted Tenebrio molitor Larvae Meal as a Main Protein Source Is Supported in European Sea Bass ( Dicentrarchus labrax) by Data on Growth Performance, Lipid Metabolism, and Flesh Quality. Front Physiol 2021; 12:659567. [PMID: 33967831 PMCID: PMC8104126 DOI: 10.3389/fphys.2021.659567] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 03/17/2021] [Indexed: 12/17/2022] Open
Abstract
Objective This study aims to determine the maximal inclusion level of defatted (d-) Tenebrio molitor larvae meal (TM) able to replace dietary fishmeal (FM) without compromising growth performance, general metabolism, and flesh quality traits in European sea bass, and to evaluate the major underlying physiological mechanisms. Materials and Methods Fish (55 ± 2 g) were fed with diets containing increasing levels of dTM: 0, 40, 80 and 100% (CTRL, TM40, TM80, and TM100, respectively) to replace FM. After 10 weeks of feeding, the growth performance, nutrient and energy balance, intestinal integrity, plasma metabolites and the expression of genes related to growth and nutrient metabolism, in liver and muscle were determined. The fatty acids (FA) profile, textural properties and color were also evaluated in muscle. Results Protein and lipids digestibility remained unaltered up to 80% dTM inclusion. Growth performance parameters were similar among dietary treatments. The dTM inclusion increased the hepatosomatic index in fish fed TM100. Muscle eicosapentaenoic acid, docosahexaenoic acid and n-3 long-chain polyunsaturated FA levels were maintained up to 80% dTM inclusion, but total cholesterol and non-esterified FA increased with dietary dTM inclusion. In liver, the expression of elongation of very long-chain FA protein 6 (elovl6) and FA desaturase 2 (fads2) did not change in fish fed TM40 and TM80, but elovl6 decreased whilst fads2 increased in fish fed TM100 when compared to those fed CTRL. The expression of cholesterol 7 alpha-monooxygenase (cyp7a1) decreased with dietary dTM inclusion. In muscle, the expression of myoblast determination protein-2 (myod2) decreased in fish fed TM80 and TM100. Conclusion It is feasible to substitute dietary FM by dTM up to 80% in European sea bass without detrimental effects on nutrient digestibility, growth performance and associated genetic pathways, whilst assuring fillet nutritional value for human consumption.
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Affiliation(s)
- Ana Basto
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.,CIIMAR/CIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
| | - Josep Calduch-Giner
- IATS - CSIC, Instituto de Acuicultura Torre de la Sal, Castellón de la Plana, Spain
| | - Beatriz Oliveira
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.,CIIMAR/CIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
| | - Lisa Petit
- CIIMAR/CIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
| | - Tiago Sá
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.,CIIMAR/CIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
| | - Margarida R G Maia
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Susana C Fonseca
- GreenUPorto, DGAOT, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Elisabete Matos
- SORGAL - Sociedade de Óleos e Rações, S.A., S. João de Ovar, Portugal
| | - Jaume Pérez-Sánchez
- IATS - CSIC, Instituto de Acuicultura Torre de la Sal, Castellón de la Plana, Spain
| | - Luisa M P Valente
- ICBAS, Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal.,CIIMAR/CIMAR, Centro Interdisciplinar de Investigação Marinha e Ambiental, Universidade do Porto, Matosinhos, Portugal
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Xu Y, Tan Q, Hu P, Yao J. Characterization and expression analysis of FGF6 (fibroblast growth factor 6) genes of grass carp (Ctenopharyngodon idellus) reveal their regulation on muscle growth. FISH PHYSIOLOGY AND BIOCHEMISTRY 2019; 45:1649-1662. [PMID: 31140072 DOI: 10.1007/s10695-019-00655-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 05/02/2019] [Indexed: 06/09/2023]
Abstract
The present study was conducted to investigate the regulative function of FGF6 in the muscle growth of grass carp (Ctenopharyngodon idellus) by the bioinformatics analysis and expression pattern analyses of FGF6 genes in different developmental stages and tissues, as well as the correlation analysis between muscle growth and FGF6 expression after fish were fed with different levels of dietary lotus leaf flavonoids (LLF) (0, 0.03%, 0.06%, 0.09%). Results showed that the FGF6a and FGF6b genes are two homologs of the FGF6 family, encoding 205 and 209 amino acids, respectively. Alignment of amino acid sequences and phylogenetic analysis demonstrated that FGF6a and FGF6b are highly conserved with other vertebrates. Quantitative RT-PCR analysis showed both FGF6a and FGF6b expressions were high in brain and muscle but low in other examined tissues. During embryonic development, FGF6a and FGF6b mRNA expressions could be detected as early as at fertilized egg stage and displayed the highest value at cleavage stage. Dietary LLF affected the gene expression of FGF6 in white muscle. The relative expression of FGF6a of 0.06% LLF group was significantly higher than that of 0.09% LLF group, while FGF6b expression of 0.06% LLF group was higher than those of other groups (P < 0.05). The muscle fiber diameter was significantly higher in 0.06% LLF group in comparison with other groups, while the fiber density in this group was lower (P < 0.05). Both FGF6a and FGF6b expressions were positively correlated with fiber diameter but negatively correlated with fiber density. These results collectively suggest that FGF6a and FGF6b play an important role in muscle growth regulation in grass carp.
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Affiliation(s)
- Yingyan Xu
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Wuhan, China
| | - Qingsong Tan
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China.
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Wuhan, China.
| | - Pengcheng Hu
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Wuhan, China
| | - Junpeng Yao
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
- Key Laboratory of Freshwater Animal Breeding, Ministry of Agriculture, Wuhan, China
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, Wuhan, China
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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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