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Zhao X, Khan R, Hongfang G, Abbas Raza SH, Ayari-Akkari A, Othman G, Alshammari AM, Aloufi BH, Alabbosh KF, Alshammari WB, Linsen Z. Genetic variants of TORC1 gene promoter and their association with carcass quality and body measurement traits in Qinchuan beef cattle. Anim Biotechnol 2023; 34:2537-2545. [PMID: 35916659 DOI: 10.1080/10495398.2022.2105226] [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: 11/01/2022]
Abstract
In the present study, sequencing of TORC1 prompter region explored three SNPs at loci g.80G>T, g.93A>T, and g.1253G>A. The SNP1 produced GG, GT and TT, SNP2 AA, AT and TT, and SNP3 produced GG, GA and AA genotypes. Allelic and genotypic frequencies analysis exhibited that SNP1 is within Hardy-Weinberg equilibrium (HWE). All three SNPs were found highly polymorphic as PIC value (0.25 < PIC < 0.50). At loci g.80G>T the cattle with genotype GG showed significantly (P <0.01) larger body length (BL), Wither height (WH), Hip height (HH), Rump length (RL), Hip width (HW), Chest depth (CD), and Chest circumference (CC). The genotype AA at g.93A>T showed significantly (P< 0.01 and 0.05) Larger body length (BL), Wither height (WH), Hip height, Rump length (RL), Hip width (HW), Chest depth (CD), and Chest circumference (CC). Interestingly, the carcass quality parameters such as Ultrasound loin area (ULA) and Intramuscular fat percentage (IF%) was highest in genotype GG at loci g.1253G>A. These findings conclude that genotype GG at loci g.80 G>T and AA at loci g.93A>T could be used as genetic markers for body measurement and genotype GG at loci g.1253G>A for carcass quality traits of TORC1 gene in Qinchuan beef cattle.
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Affiliation(s)
- Xianlin Zhao
- College of Pharmacy, Heze University, Heze, China
| | - Rajwali Khan
- Department of Livestock Management, Breeding and Genetic, The University of Agriculture Peshawar, Peshawar, Pakistan
| | - Guo Hongfang
- Medical College, Xuchang University, Xuchang, China
| | | | - Amel Ayari-Akkari
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
- Laboratory of Diversity, Management and Conservation of Biological Systems, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Gehan Othman
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
| | | | - Bandar Hamad Aloufi
- Department of Biology, College of Science, University of Hail, Ha'il, Saudi Arabia
| | | | - Wasimah B Alshammari
- Department of Biology, College of Science, University of Hail, Ha'il, Saudi Arabia
| | - Zan Linsen
- College of Animal Science and Technology, Northwest A&F University, Yangling, China
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2
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Andrade-Pavón D, Sánchez-Sandoval E, Tamariz J, Ibarra JA, Hernández-Rodríguez C, Villa-Tanaca L. Inhibitors of 3-Hydroxy-3-methylglutaryl Coenzyme A Reductase Decrease the Growth, Ergosterol Synthesis and Generation of petite Mutants in Candida glabrata and Candida albicans. Int J Mol Sci 2023; 24:16868. [PMID: 38069194 PMCID: PMC10706242 DOI: 10.3390/ijms242316868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 12/18/2023] Open
Abstract
Candida glabrata and Candida albicans, the most frequently isolated candidiasis species in the world, have developed mechanisms of resistance to treatment with azoles. Among the clinically used antifungal drugs are statins and other compounds that inhibit 3-hydroxy-3-methylglutaryl coenzyme A reductase (HMGR), resulting in decreased growth and ergosterol levels in yeasts. Ergosterol is a key element for the formation of the yeast cell membrane. However, statins often cause DNA damage to yeast cells, facilitating mutation and drug resistance. The aim of the current contribution was to synthesize seven series of compounds as inhibitors of the HMGR enzyme of Candida ssp., and to evaluate their effect on cellular growth, ergosterol synthesis and generation of petite mutants of C. glabrata and C. albicans. Compared to the reference drugs (fluconazole and simvastatin), some HMGR inhibitors caused lower growth and ergosterol synthesis in the yeast species and generated fewer petite mutants. Moreover, heterologous expression was achieved in Pichia pastoris, and compounds 1a, 1b, 6g and 7a inhibited the activity of recombinant CgHMGR and showed better binding energy values than for α-asarone and simvastatin. Thus, we believe these are good candidates for future antifungal drug development.
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Affiliation(s)
- Dulce Andrade-Pavón
- Laboratorio de Biología Molecular de Bacterias y Levaduras, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alc. Miguel Hidalgo, Ciudad de México 11340, Mexico or (D.A.-P.); (C.H.-R.)
| | - Eugenia Sánchez-Sandoval
- Core Facilities Department, Gothenburg University, Medicinaregatan 9 A-B, 41390 Göteborg, Sweden;
| | - Joaquín Tamariz
- Departamento de Química Orgánica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alc. Miguel Hidalgo, Ciudad de México 11340, Mexico;
| | - Jose Antonio Ibarra
- Laboratorio de Genética Microbiana, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alc. Miguel Hidalgo, Ciudad de México 11340, Mexico;
| | - César Hernández-Rodríguez
- Laboratorio de Biología Molecular de Bacterias y Levaduras, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alc. Miguel Hidalgo, Ciudad de México 11340, Mexico or (D.A.-P.); (C.H.-R.)
| | - Lourdes Villa-Tanaca
- Laboratorio de Biología Molecular de Bacterias y Levaduras, Departamento de Microbiología, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala S/N, Col. Santo Tomás, Alc. Miguel Hidalgo, Ciudad de México 11340, Mexico or (D.A.-P.); (C.H.-R.)
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Li Z, Bao X, Liu X, Wang W, Yang J. Gene network analyses of larvae under different egg-protecting behaviors provide novel insights into immune response mechanisms of Amphioctopus fangsiao. FISH & SHELLFISH IMMUNOLOGY 2023; 136:108733. [PMID: 37028690 DOI: 10.1016/j.fsi.2023.108733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/28/2023] [Accepted: 04/03/2023] [Indexed: 06/19/2023]
Abstract
Amphioctopus fangsiao was a representative economic species in cephalopods, which was vulnerable to marine bacteria. Vibrio anguillarum was a highly infectious pathogen that have recently been found to infect A. fangsiao and inhibit its growth and development. There were significant differences in the immune response mechanisms between egg-protected and egg-unprotected larvae. To explore larval immunity under different egg-protecting behaviors, we infected A. fangsiao larvae with V. anguillarum for 24 h and analyzed the transcriptome data about egg-protected and egg-unprotected larvae infected with 0, 4, 12, and 24 h using weighted gene co-expression networks (WGCNA) and protein-protein interaction (PPI) networks. Network analyses revealed a series of immune response processes after infection, and identified six key modules and multiple immune-related hub genes. Meanwhile, we found that ZNF family, such as ZNF32, ZNF160, ZNF271, ZNF479, and ZNF493 might play significant roles in A. fangsiao immune response processes. We first creatively combined WGCNA and PPI network analysis to deeply explore the immune response mechanisms of A. fangsiao larvae with different egg-protecting behaviors. Our results provided further insights into the immunity of V. anguillarum infected invertebrates, and laid the foundation for exploring the immune differences among cephalopods with different egg protecting behaviors.
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Affiliation(s)
- Zan Li
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Xiaokai Bao
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Xiumei Liu
- College of Life Sciences, Yantai University, Yantai, 264005, China
| | - Weijun Wang
- School of Agriculture, Ludong University, Yantai, 264025, China
| | - Jianmin Yang
- School of Agriculture, Ludong University, Yantai, 264025, China.
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4
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Meddeb E, Charni M, Ben Abdallah R, Raboudi F, Fattouch S. A molecular study of Tunisian populations of Dugesia sicula (Plathelminthes, Tricladida) through an identification of a set of genes. C R Biol 2019; 342:291-298. [PMID: 31786144 DOI: 10.1016/j.crvi.2019.10.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 10/30/2019] [Indexed: 10/25/2022]
Abstract
Cell regeneration is a natural repair of different types of tissue after an injury or a lesion, and is associated with asexual reproduction in some animals such as planarians. Its understanding and improvement could have repercussions for tissue repair and regeneration as far as humans are concerned. In this context, we have proceeded to an essential step, which is the identification of the genes involved in planarian regeneration in the model species. Dugesia sicula Lepori (D. sicula) is distributed around the Mediterranean Sea, and this population is found in most of Tunisian dams. The collection of identified genes is already known in other species. DjFoxG, DjPC2, DjotxA, and Cathepsin-D were identified by the PCR technique and their expression was confirmed by RT-PCR and in situ hybridization. DjFoxG gene, the FoxG1 homolog, is expressed throughout the planarian body, abundantly on stem cells. Consecutively, we choose a central nervous system (CNS) marker; the prohormone convertase 2 (DjPC2) gene. DjotxA was observed in the brain and especially in the region surrounding the eyes (visual cells). The regenerative cells of the gut of D. sicula were scored by the Cathepsin-D gene expression, which belongs to the aspartyl protease family. We found significant results through RT-PCR and In Situ Hybridization (ISH) techniques, confirming the expression of DjFoxG, DjPC2, DjotxA and Cathepsin-D genes in our specimens.
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Affiliation(s)
- Emna Meddeb
- Laboratory of Food and Molecular Biochemistry, National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Zone Urbaine Nord, 1080 Tunis, Tunisia; Faculty of Sciences of Bizerte, University of Carthage, Tunis, Tunisia.
| | - Mohamed Charni
- Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia; College of Sciences and Humanities of Dawadmi, Shaqra University, Shaqra, Kingdom of Saudi Arabia
| | - Rim Ben Abdallah
- Laboratory of Food and Molecular Biochemistry, National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Zone Urbaine Nord, 1080 Tunis, Tunisia; Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Faten Raboudi
- ISAJC, Bir El Bey, University of Tunis, Tunis, Tunisia
| | - Sami Fattouch
- Laboratory of Food and Molecular Biochemistry, National Institute of Applied Sciences and Technology (INSAT), University of Carthage, Zone Urbaine Nord, 1080 Tunis, Tunisia
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5
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Favia M, Fitak R, Guerra L, Pierri CL, Faye B, Oulmouden A, Burger PA, Ciani E. Beyond the Big Five: Investigating Myostatin Structure, Polymorphism and Expression in Camelus dromedarius. Front Genet 2019; 10:502. [PMID: 31231423 PMCID: PMC6566074 DOI: 10.3389/fgene.2019.00502] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 05/07/2019] [Indexed: 12/19/2022] Open
Abstract
Myostatin, a negative regulator of skeletal muscle mass in animals, has been shown to play a role in determining muscular hypertrophy in several livestock species, and a high degree of polymorphism has been previously reported for this gene in humans and cattle. In this study, we provide a characterization of the myostatin gene in the dromedary (Camelus dromedarius) at the genomic, transcript and protein level. The gene was found to share high structural and sequence similarity with other mammals, notably Old World camelids. 3D modeling highlighted several non-conservative SNP variants compared to the bovine, as well as putative functional variants involved in the stability of the myostatin dimer. NGS data for nine dromedaries from various countries revealed 66 novel SNPs, all of them falling either upstream or downstream the coding region. The analysis also confirmed the presence of three previously described SNPs in intron 1, predicted here to alter both splicing and transcription factor binding sites (TFBS), thus possibly impacting myostatin processing and/or regulation. Several putative TFBS were identified in the myostatin upstream region, some of them belonging to the myogenic regulatory factor family. Patterns of SNP distribution across countries, as suggested by Bayesian clustering of the nine dromedaries using the 69 SNPs, pointed to weak geographic differentiation, in line with known recurrent gene flow at ancient trading centers along caravan routes. Myostatin expression was investigated in a set of 8 skeletal muscles, both at transcript and protein level, via Digital Droplet PCR and Western Blotting, respectively. No significant differences were observed at the transcript level, while, at the protein level, the only significant differences concerned the promyostatin dimer (75 kDa), in four pair-wise comparisons, all involving the tensor fasciae latae muscle. Beside the mentioned band at 75 kDa, additional bands were observed at around 40 and 25 kDa, corresponding to the promyostatin monomer and the active C-terminal myostatin dimer, respectively. Their weaker intensity suggests that the unprocessed myostatin dimers could act as important reservoirs of slowly available myostatin forms. Under this assumption, the sequential cleavage steps may contribute additional layers of control within an already complex regulatory framework.
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Affiliation(s)
- Maria Favia
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "Aldo Moro", Bari, Italy
| | - Robert Fitak
- Research Institute of Wildlife Ecology, Vetmeduni, Vienna, Austria.,Department of Biology, Duke University, Durham, NC, United States
| | - Lorenzo Guerra
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "Aldo Moro", Bari, Italy
| | - Ciro Leonardo Pierri
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "Aldo Moro", Bari, Italy
| | | | - Ahmad Oulmouden
- Département Sciences du Vivant, Université de Limoges, Limoges, France
| | | | - Elena Ciani
- Department of Biosciences, Biotechnologies and Biopharmaceutics, University of Bari "Aldo Moro", Bari, Italy
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Grade CVC, Mantovani CS, Alvares LE. Myostatin gene promoter: structure, conservation and importance as a target for muscle modulation. J Anim Sci Biotechnol 2019; 10:32. [PMID: 31044074 PMCID: PMC6477727 DOI: 10.1186/s40104-019-0338-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 02/19/2019] [Indexed: 12/12/2022] Open
Abstract
Myostatin (MSTN) is one of the key factors regulating myogenesis. Because of its role as a negative regulator of muscle mass deposition, much interest has been given to its protein and, in recent years, several studies have analysed MSTN gene regulation. This review discusses the MSTN gene promoter, focusing on its structure in several animal species, both vertebrate and invertebrate. We report the important binding sites considering their degree of phylogenetic conservation and roles they play in the promoter activity. Finally, we discuss recent studies focusing on MSTN gene regulation via promoter manipulation and the potential applications they have both in medicine and agriculture.
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Affiliation(s)
- Carla Vermeulen Carvalho Grade
- 1Universidade Federal da Integração Latino-Americana, UNILA, Instituto Latino-Americano de Ciências da Vida e da Natureza, Avenida Tarquínio Joslin dos Santos, 1000, Foz do Iguaçu, PR CEP 85870-901 Brazil
| | - Carolina Stefano Mantovani
- 2Departamento de Bioquímica e Biologia Tecidual, Universidade Estadual de Campinas - UNICAMP, Rua Monteiro Lobato, 255, Campinas, SP CEP 13083-862 Brazil
| | - Lúcia Elvira Alvares
- 2Departamento de Bioquímica e Biologia Tecidual, Universidade Estadual de Campinas - UNICAMP, Rua Monteiro Lobato, 255, Campinas, SP CEP 13083-862 Brazil
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7
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Zhao Z, Yu X, Jia J, Yang G, Sun C, Li W. miR-181b-5p May Regulate Muscle Growth in Tilapia by Targeting Myostatin b. Front Endocrinol (Lausanne) 2019; 10:812. [PMID: 31849840 PMCID: PMC6902659 DOI: 10.3389/fendo.2019.00812] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 11/06/2019] [Indexed: 12/20/2022] Open
Abstract
Background: Myostatin (Mstn), a member of the TGF-β superfamily, is a negative regulator of skeletal muscle mass in mammals. Precise regulation of Mstn expression is important for somite growth in fish. MicroRNA (miRNA), a type of small non-coding RNA, regulates gene expression at the post-transcriptional level and participates in various physiological functions. A growing amount of evidence has emphasized the importance of miRNA in the development of skeletal muscle. Aims: This study aims to study how miRNAs regulate myostatin b (mstnb) post-transcriptionally in tilapia. Methods/Results: Mstnb 3' UTR sequences were obtained, and the results of tissue distribution showed that mstnb was expressed in several tissues, including brain, white muscle, gut, and adipose tissue. A total of 1,992 miRNAs were predicted to target mstnb in tilapia using bioinformatics, and a dual-luciferase reporter experiment confirmed that miR-181a/b-5p, miR-30-3p, miR-200a, and miR-27a were the target miRNAs of mstnb. Mutagenesis of the miR-181b-5p binding sites of mstnb significantly increased the luciferase signal compared to the wild-type mstnb. In tilapia primary muscle cells, overexpression of miR-181b-5p led to the downregulation of MSTNb expression, and the inhibitory effect of MSTNb on the downstream genes was dismissed, while inhibition of miR-181b-5p could reverse these phenomena. Conclusion: Taken together, our results suggested that miR-181b-5p could promote the growth of skeletal muscle by decreasing the MSTNb protein level in tilapia.
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Dong J, Chen Z, Sun C, Tian Y, Hu J, Lu M, Ye X. Cloning, SNP detection, and growth correlation analysis of the 5' flanking regions of two myosin heavy chain-7 genes in Mandarin fish (Siniperca chuatsi). Comp Biochem Physiol B Biochem Mol Biol 2018; 228:10-16. [PMID: 30419288 DOI: 10.1016/j.cbpb.2018.10.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Accepted: 10/30/2018] [Indexed: 11/16/2022]
Abstract
Myosin heavy chains (MYHs) play important roles in muscle growth and contraction. In fish, MYHs contribute to hyperplasia and hypertrophy of muscle fibers, which can continue into adult life and thus result in indeterminate growth in some species. We previously identified two MYH genes, MYH-7a and MYH-7b, that are differentially expressed in Mandarin fish (Siniperca chuatsi) and appear to function in early growth. However, the regulatory role of their 5' flanking regions is unknown. To examine the effects of single nucleotide polymorphisms (SNPs) in these regions, we used genome walking to amplify their flanking sequences and analyzed the regulatory elements and binding sites. A single SNP locus was found in the flanking sequence of each gene. These SNP loci are located in the conserved glucocorticoid receptor binding region (MYH-7a: G-614A; Allele frequency: G:A = 94.9:5.1; GG (89.76) and AG (10.24) genotypes) and the LIM homeobox domain transcription factor binding sequence (MYH-7b: C-1933A; Allele frequency: C:A = 54.8:45.2; AA (20.82), AC (48.81), and CC (30.37) genotypes). At the G-614A loci, the GG genotype exhibited more superior growth traits (total length, body length, body height, etc.) than the AG genotype, with the exception of caudal peduncle length. Alternatively, at the C-1933A loci, the AC and AA genotypes showed significant differences in all growth traits, except for head length, with AC exhibiting superior traits. The AA and CC genotypes showed significant differences in caudal peduncle length and height, while no differences were observed between the AC and CC genotypes. Thus, these SNPs in the 5' flanking regions of MYH-7a and MYH-7b are correlated with superior growth and can be used for selecting Mandarin fish during breeding.
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Affiliation(s)
- Junjian Dong
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Zhihang Chen
- Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Chengfei Sun
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China
| | - Yuanyuan Tian
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Jie Hu
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China
| | - Maixin Lu
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China
| | - Xing Ye
- Key Laboratory of Tropical & Subtropical Fisheries Resource Application & Cultivation, Ministry of Agriculture, Pearl River Fisheries Institute, Chinese Academy of Fishery Sciences, Guangzhou 510380, China; College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China.
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Sharma M, McFarlane C, Kambadur R, Kukreti H, Bonala S, Srinivasan S. Myostatin: expanding horizons. IUBMB Life 2015; 67:589-600. [PMID: 26305594 DOI: 10.1002/iub.1392] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 05/29/2015] [Indexed: 12/13/2022]
Abstract
Myostatin is a secreted growth and differentiation factor that belongs to the TGF-β superfamily. Myostatin is predominantly synthesized and expressed in skeletal muscle and thus exerts a huge impact on muscle growth and function. In keeping with its negative role in myogenesis, myostatin expression is tightly regulated at several levels including epigenetic, transcriptional, post-transcriptional, and post-translational. New revelations regarding myostatin regulation also offer mechanisms that could be exploited for developing myostatin antagonists. Increasingly, it is becoming clearer that besides its conventional role in muscle, myostatin plays a critical role in metabolism. Hence, molecular mechanisms by which myostatin regulates several key metabolic processes need to be further explored.
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Affiliation(s)
- Mridula Sharma
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore
- Department of Cell & Molecular Biology, Brenner Centre for Molecular Medicine, Singapore Institute of Clinical Sciences (SICS), Singapore
| | - Craig McFarlane
- Department of Cell & Molecular Biology, Brenner Centre for Molecular Medicine, Singapore Institute of Clinical Sciences (SICS), Singapore
| | - Ravi Kambadur
- Department of Cell & Molecular Biology, Brenner Centre for Molecular Medicine, Singapore Institute of Clinical Sciences (SICS), Singapore
- School of Biological Sciences, Nanyang Technological University, Singapore
| | - Himani Kukreti
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore
| | - Sabeera Bonala
- Department of Cell & Molecular Biology, Brenner Centre for Molecular Medicine, Singapore Institute of Clinical Sciences (SICS), Singapore
| | - Shruti Srinivasan
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore (NUS), Singapore
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10
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Paswan C, Bhattacharya T, Nagaraj C, Chaterjee R, Jayashankar M. SNPs in minimal promoter of myostatin (GDF-8) gene and its association with body weight in broiler chicken. JOURNAL OF APPLIED ANIMAL RESEARCH 2013. [DOI: 10.1080/09712119.2013.846859] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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11
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Singh SP, Kumar R, Kumari P, Kumar S, Mitra A. Characterization of 5′ Upstream Region and Investigation of TTTTA Deletion in 5′ UTR of Myostatin (MSTN) Gene in Indian Goat Breeds. Anim Biotechnol 2013; 25:55-68. [DOI: 10.1080/10495398.2013.821994] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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12
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Han J, Forrest RH, Hickford JGH. Genetic variations in the myostatin gene (MSTN) in New Zealand sheep breeds. Mol Biol Rep 2013; 40:6379-84. [DOI: 10.1007/s11033-013-2752-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2012] [Accepted: 09/14/2013] [Indexed: 11/30/2022]
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13
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Langen R, Gosker H, Remels A, Schols A. Triggers and mechanisms of skeletal muscle wasting in chronic obstructive pulmonary disease. Int J Biochem Cell Biol 2013; 45:2245-56. [DOI: 10.1016/j.biocel.2013.06.015] [Citation(s) in RCA: 101] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 06/09/2013] [Accepted: 06/14/2013] [Indexed: 11/29/2022]
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14
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Xue L, Dong X, Zhang X, Diallo A. Organization and functional analysis of the 5' flanking regions of myostatin-1 and 2 genes from Larimichthys crocea. DNA Cell Biol 2011; 31:845-55. [PMID: 22149889 DOI: 10.1089/dna.2011.1263] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
Abstract
Myostatin (MSTN) is a negative regulator of skeletal muscle growth and development. There are two types of MSTNs in fish, but little is known about their gene regulation. Here, the 5' flanking fragments of 1029 bp from MSTN-1 and 643 bp from MSTN-2 were cloned, sequenced, and analyzed in Larimichthys crocea. Both fragments contained CAAT box and several putative cis-regulatory elements. However, putative TATA box, MyoD, MEF3, SP1, USF, and GH-CSE sites were identified only in the L. crocea MSTN-1 (lcMSTN-1) promoter. Transcriptional activities of four fragments (1013, 841, 514, and 261 bp) truncated from lcMSTN-1 upstream region and two fragments (643 and 296 bp) from lcMSTN-2 upstream region were examined in vitro, using transient transfection in CIK and L6 cells. In CIK cells, the promoter activity correlated positively with the length of truncated fragments in both MSTN-1 and 2. The lcMSTN-2 promoter showed a higher activity than lcMSTN-1 in the corresponding region, which was consistent with MSTN gene expression in vivo. In L6 cells, lcMSTN-2 upstream showed an extremely high luciferase activity. These data indicated that both cloned 5' flanking sequences contained functional promoters, and that transcription regulation of lcMSTN-1 and 2 promoters was significantly different between mammalian and fish cells.
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Affiliation(s)
- Liangyi Xue
- College of Life Sciences and Biotechnology, Ningbo University, Ningbo, Zhejiang, China.
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Energy Balance, Myostatin, and GILZ: Factors Regulating Adipocyte Differentiation in Belly and Bone. PPAR Res 2011; 2007:92501. [PMID: 18309369 PMCID: PMC2246068 DOI: 10.1155/2007/92501] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2007] [Accepted: 08/16/2007] [Indexed: 11/18/2022] Open
Abstract
Peroxisome proliferator-activated receptor gamma (PPAR-gamma) belongs to the nuclear hormone receptor subfamily of transcription factors. PPARs are expressed in key target tissues such as liver, fat, and muscle and thus they play a major role in the regulation of energy balance. Because of PPAR-gamma's role in energy balance, signals originating from the gut (e.g., GIP), fat (e.g., leptin), muscle (e.g., myostatin), or bone (e.g., GILZ) can in turn modulate PPAR expression and/or function. Of the two PPAR-gamma isoforms, PPAR-gamma2 is the key regulator of adipogenesis and also plays a role in bone development. Activation of this receptor favors adipocyte differentiation of mesenchymal stem cells, while inhibition of PPAR-gamma2 expression shifts the commitment towards the osteoblastogenic pathway. Clinically, activation of this receptor by antidiabetic agents of the thiazolidinedione class results in lower bone mass and increased fracture rates. We propose that inhibition of PPAR-gamma2 expression in mesenchymal stem cells by use of some of the hormones/factors mentioned above may be a useful therapeutic strategy to favor bone formation.
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Seiliez I, Sabin N, Gabillard JC. FoxO1 is not a key transcription factor in the regulation of myostatin (mstn-1a and mstn-1b) gene expression in trout myotubes. Am J Physiol Regul Integr Comp Physiol 2011; 301:R97-104. [PMID: 21490365 DOI: 10.1152/ajpregu.00828.2010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In mammals, much evidence has demonstrated the important role of myostatin (MSTN) in regulating muscle mass and identified the transcription factor forkhead box O (FoxO) 1 as a key regulator of its gene expression during atrophy. However, in trout, food deprivation leads to muscle atrophy without an increase of the expression of mstn genes in the muscle. We therefore studied the relationship between FoxO1 activity and the expression of both mstn genes (mstn1a and mstn1b) in primary culture of trout myotubes. To this aim, two complementary studies were undertaken. In the former, FoxO1 protein activity was modified with insulin-like growth factor-I (IGF-I) treatment, and the consequences on the expression of both mstn genes were monitored. In the second experiment, the expression of both studied genes was modified with growth hormone (GH) treatment, and the activation of FoxO1 protein was investigated. We found that IGF-I induced the phosphorylation of FoxO1 and FoxO4. Moreover, under IGF-I stimulation, FoxO1 was no longer localized in the nucleus, indicating that this growth factor inhibited FoxO1 activity. However, IGF-I treatment had no effect on mstn1a and mstn1b expression, suggesting that FoxO1 would not regulate the expression of mstn genes in trout myotubes. Furthermore, the treatment of myotubes with GH decreased the expression of both mstn genes but has no effect on the phosphorylation of FoxO1, FoxO3, and FoxO4 nor on the nuclear translocation of FoxO1. Altogether, our results showed that mstn1a and mstn1b expressions were not associated with FoxO activity, indicating that FoxO1 is likely not a key regulator of mstn genes in trout myotubes.
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Affiliation(s)
- Iban Seiliez
- Institut National de la Recherche Agronomique, UMR 1067 Nutrition Aquaculture et Génomique, Pôle d’hydrobiologie, St-Pée-sur-Nivelle, France
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Analysis of horse myostatin gene and identification of single nucleotide polymorphisms in breeds of different morphological types. J Biomed Biotechnol 2010; 2010. [PMID: 20706663 PMCID: PMC2913906 DOI: 10.1155/2010/542945] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2009] [Revised: 02/20/2010] [Accepted: 04/27/2010] [Indexed: 11/17/2022] Open
Abstract
Myostatin (MSTN) is a negative modulator of muscle mass. We characterized the horse (Equus caballus) MSTN gene and identified and analysed single nucleotide polymorphisms (SNPs) in breeds of different morphological types. Sequencing of coding, untranslated, intronic, and regulatory regions of MSTN gene in 12 horses from 10 breeds revealed seven SNPs: two in the promoter, four in intron 1, and one in intron 2. The SNPs of the promoter (GQ183900:g.26T>C and GQ183900:g.156T>C, the latter located within a conserved TATA-box like motif) were screened in 396 horses from 16 breeds. The g.26C and the g.156C alleles presented higher frequency in heavy (brachymorphic type) than in light breeds (dolichomorphic type such as Italian Trotter breed). The significant difference of allele frequencies for the SNPs at the promoter and analysis of molecular variance (AMOVA) on haplotypes indicates that these polymorphisms could be associated with variability of morphology traits in horse breeds.
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Funkenstein B, Balas V, Rebhan Y, Pliatner A. Characterization and functional analysis of the 5′ flanking region of Sparus aurata myostatin-1 gene. Comp Biochem Physiol A Mol Integr Physiol 2009; 153:55-62. [DOI: 10.1016/j.cbpa.2008.09.031] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2008] [Revised: 09/29/2008] [Accepted: 09/29/2008] [Indexed: 11/16/2022]
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Stinckens A, Luyten T, Bijttebier J, Van den Maagdenberg K, Dieltiens D, Janssens S, De Smet S, Georges M, Buys N. Characterization of the complete porcine MSTN gene and expression levels in pig breeds differing in muscularity. Anim Genet 2008; 39:586-96. [PMID: 18822098 DOI: 10.1111/j.1365-2052.2008.01774.x] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Myostatin (MSTN), a transforming growth factor beta superfamily member, is an essential factor for the growth and development of muscle mass. The protein functions as a negative regulator of muscle growth and is related to the so-called double-muscling phenotype in cattle, where a series of mutations renders the gene inactive. One particular breed of pigs, the Belgian Piétrain, also shows a heavily muscled phenotype. The similarity of muscular phenotypes between the double-muscled cattle and Piétrain pigs indicated that MSTN may be a candidate gene for muscular hypertrophy in pigs. In this study, we sequenced and analysed the complete MSTN gene from 45 pigs of five different breeds, including the heavily muscled Piétrain breed at one extreme and the Meishan and Wild boar breeds at the other extreme. In total, 7626 bp of the porcine MSTN gene were sequenced, including the 5' and 3' UTR. Fifteen polymorphic loci were found, three of which were located in the promoter region, five in intron 1 and seven in intron 2. Most mutations were found when comparing the obtained MSTN sequence with porcine MSTN sequences already published. However, one polymorphism located at position 447 of the porcine MSTN promoter had a very high allele frequency in the Piétrain pig breed and disrupted a putative myocyte enhancer factor 3 binding site. Real-time PCR using Sybr Green showed that this mutation was associated with expression levels of the MSTN gene in m. longissimus dorsi at an age of 4 weeks.
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Affiliation(s)
- A Stinckens
- Laboratory of Livestock Physiology, Immunology and Genetics, KULeuven, Kasteelpark Arenberg 30, 3001 Heverlee, Belgium
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Comparative functional analysis of the cow and mouse myostatin genes reveals novel regulatory elements in their upstream promoter regions. Comp Biochem Physiol B Biochem Mol Biol 2008; 150:432-9. [DOI: 10.1016/j.cbpb.2008.05.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Revised: 04/29/2008] [Accepted: 05/02/2008] [Indexed: 11/20/2022]
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Du R, An X, Chen Y, Qin J. Functional analysis of the Myostatin gene promoter in sheep. ACTA ACUST UNITED AC 2008; 50:648-54. [PMID: 17879064 DOI: 10.1007/s11427-007-0085-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2006] [Accepted: 07/04/2007] [Indexed: 01/08/2023]
Abstract
Compared with the understanding for the functional mechanism of the myostatin gene, little is known about the regulatory mechanism of the myostatin gene transcription and expression. To better understand the function of the myostatin gene promoter (MSTNpro) in the transcriptional regulation of the myostatin gene and to further investigate the transcriptional regulation mechanism of the myostatin gene, the promoter region of the myostatin gene in sheep has been cloned in our recent study (AY918121). In this study, the wild (W) type MSTNPro(W)-EGFP vectors and E-box (E) (CANNTG) mutant (M) type MSTNPro(E(3+5+7)M)-EGFP vectors were constructed and the transcriptional regulation activities were compared by detecting the fluorescent strength of EGFP (enhanced green fluorescent protein) in C2C12 myoblasts (or myotubes) and sheep fibroblasts transfected with the vectors. Results showed that the 0.3-1.2 kb sheep myostatin promoter could activate the transcription and expression of EGFP gene in C2C12 myoblasts to different extent and the 1.2 kb promoter was the strongest. However, fluorescence was not observed in the sheep fibroblasts transfected with the 1.2 kb sheep myostatin promoter. These results suggested that the specific nature of the myostatin gene expression in skeletal muscle was attributed to the specific nature of the myostatin promoter activity. The increasing growth density of C2C12 myoblasts inhibited the transcriptional regulation activity of the wild type sheep myostatin promoter by a mechanism of feedback. The transcriptional regulation activity of the 1.2 kb wild type sheep myostatin promoter increased significantly after C2C12 myoblasts were differentiated, while the activity of 1.2 kb E(3+5+7)-mutant type myostatin promoter had no obvious change. This result suggested that MyoD may be responsible for the difference of the myostatin gene transcription and expression between growing and differentiating conditions by binding to E-box of the myostatin promoter.
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Affiliation(s)
- Rong Du
- State Key Laboratory for Agrobiotechnology, College of Biological Science, China Agricultural University, Beijing 100094, China
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Yu L, Tang H, Wang J, Wu Y, Zou L, Jiang Y, Wu C, Li N. Polymorphisms in the 5' regulatory region of myostatin gene are associated with early growth traits in Yorkshire pigs. ACTA ACUST UNITED AC 2008; 50:642-7. [PMID: 17879063 DOI: 10.1007/s11427-007-0075-4] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2007] [Accepted: 05/18/2007] [Indexed: 11/25/2022]
Abstract
Myostatin is a negative regulator of skeletal muscle mass. The present study cloned the 5' regulatory region of porcine myostatin gene, screened its polymorphisms and analyzed their associations with early growth traits in Yorkshire pigs. The results indicated that a fragment length polymorphism and a polymorphism concerning two nucleotide changes exist in the 5' regulatory region of porcine myostatin gene. At sites 435 and 447, allele A and allele B have the haplotypes of A-G and G-A, respectively. The allelic frequency of B is 0.475 in Yorkshire pigs. No homozygous BB genotype was detected in 9 Laiwu Black pigs. Allele B was found to have positive effect on body weight on day 21 (BW21) (P<0.01), body weight on day 28 (BW28) (P<0.05), body weight on day 70 (BW70) (P<0.05), average daily gain from birth to 21 d (ADG1) (P<0.01), average daily gain from birth to 28 d (ADG2) (P<0.05) and average daily gain from 21 d to 70 d (ADG3) (P<0.01), respectively. The additive effect of allele B on BW21, BW28, BW70, ADG1, ADG2 and ADG3 was 0.596+/-0.205 kg (P=0.0041), 0.498+/-0.200 kg (P=0.0136), 1.409+/-0.551 kg (P=0.0112), 28.39+/-9.74 g P=0.0041), 17.78+/-7.15 g (P=0.0136) and 37.00+/-16.92 g (P=0.0304), respectively, whereas its effect on average daily gain from 28 d to 70 d (ADG4) was not significant (P>0.1), although BB individuals are superior in average daily gain to AA and AB.
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Affiliation(s)
- LingZhi Yu
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Taian 271018, China
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Chen YM, Wei CY, Chien CH, Chang HW, Huang SI, Yang HL, Chen TY. Myostatin gene organization and nodavirus-influenced expression in orange-spotted grouper (Epinephelus coioides). COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2007; 2:215-27. [PMID: 20483295 DOI: 10.1016/j.cbd.2007.04.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2007] [Revised: 04/21/2007] [Accepted: 04/23/2007] [Indexed: 11/24/2022]
Abstract
The relationship(s) between nodavirus infection and myostatin expression in the skeletal muscle tissue of grouper is unclear. To investigate, the grouper (Epinephelus coioides) myostatin gene was cloned and cDNA was utilized to examine the expression of the gene in skeletal muscle and serum of healthy (uninfected) grouper and fish naturally infected with nodavirus. The myostatin gene comprises three exons and two introns and is transcribed as a 2778-bp mRNA length that encodes a 376-aa precursor protein. All exon-intron boundaries conformed to the consensus sequences. Alignment of the upstream sequences indicated that the grouper myostatin promoter has been highly conserved during evolution. Sequence analyses of 1936 bp of the upstream region revealed ten E-box motifs. The protein was consistent with the predicted molecular weight (approximately 42 kDa) of the unprocessed monomeric precursor protein and the processed myostatin form of the protein secreted into the plasma. Transient transfection studies revealed that the activity of the myostatin promoter decreased in a subset of viral titers. Grouper naturally infected with nodavirus displayed downregulation of the myostatin protein.
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Affiliation(s)
- Y-M Chen
- Laboratory of Molecular Genetics, Institute of Biotechnology, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, 701, Taiwan
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Joulia-Ekaza D, Dominique JE, Cabello G, Gérard C. Myostatin regulation of muscle development: Molecular basis, natural mutations, physiopathological aspects. Exp Cell Res 2006; 312:2401-14. [PMID: 16793037 DOI: 10.1016/j.yexcr.2006.04.012] [Citation(s) in RCA: 103] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2006] [Revised: 04/24/2006] [Accepted: 04/27/2006] [Indexed: 01/08/2023]
Abstract
Since its identification in 1997, myostatin has been considered as a novel and unique negative regulator of muscle growth, as mstn-/- mice display a dramatic and widespread increase in skeletal muscle mass. Myostatin also appears to be involved in muscle homeostasis in adults as its expression is regulated during muscle atrophy. Moreover, deletion of the myostatin gene seems to affect adipose tissue mass in addition to skeletal muscle mass. Natural myostatin gene mutations occur in cattle breeds such as Belgian Blue, exhibiting an obviously increased muscle mass, but also in humans, as has recently been demonstrated. Here we review these natural mutations and their associated phenotypes as well as the physiological influence of the alterations in myostatin expression and the physiopathological consequences of changes in myostatin expression, especially with regard to satellite cells. Interestingly, studies have demonstrated some rescue effects of myostatin in muscular pathologies such as myopathies, providing a novel pharmacological strategy for treatment. Furthermore, the myostatin pathway is now better understood thanks to in vitro studies and it consists of inhibition of myoblast progression in the cell cycle, inhibition of myoblast terminal differentiation, in both cases associated to protection from apoptosis. The molecular pathway driving the myogenic myostatin influence is currently under extensive study and many molecular partners of myostatin have been identified, suggesting novel potent muscle growth enhancers for both human and agricultural applications.
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Affiliation(s)
- Dominique Joulia-Ekaza
- UMR 866 Différenciation Cellulaire et Croissance, INRA-Université Montpellier II-ENSA-M, 2 Place Viala, 34060 Montpellier Cedex 1, France
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