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Small CD, Benfey TJ, Crawford BD. Tissue-specific compensatory mechanisms maintain tissue architecture and body size independent of cell size in polyploid zebrafish. Dev Biol 2024; 509:85-96. [PMID: 38387487 DOI: 10.1016/j.ydbio.2024.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/01/2024] [Accepted: 02/13/2024] [Indexed: 02/24/2024]
Abstract
Genome duplications and ploidy transitions have occurred in nearly every major taxon of eukaryotes, but they are far more common in plants than in animals. Due to the conservation of the nuclear:cytoplasmic volume ratio increased DNA content results in larger cells. In plants, polyploid organisms are larger than diploids as cell number remains relatively constant. Conversely, vertebrate body size does not correlate with cell size and ploidy as vertebrates compensate for increased cell size to maintain tissue architecture and body size. This has historically been explained by a simple reduction in cell number that matches the increase in cell size maintaining body size as ploidy increases, but here we show that the compensatory mechanisms that maintain body size in triploid zebrafish are tissue-specific: A) erythrocytes respond in the classical pattern with a reduced number of larger erythrocytes in circulation, B) muscle, a tissue comprised of polynucleated muscle fibers, compensates by reducing the number of larger nuclei such that myofiber and myotome size in unaffected by ploidy, and C) vascular tissue compensates by thickening blood vessel walls, possibly at the expense of luminal diameter. Understanding the physiological implications of ploidy on tissue function requires a detailed description of the specific mechanisms of morphological compensation occurring in each tissue to understand how ploidy changes affect development and physiology.
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Affiliation(s)
- C D Small
- Center for Precision Environmental Health, Baylor College of Medicine, Houston, TX, USA
| | - T J Benfey
- Biology Department, University of New Brunswick, Fredericton, NB, Canada
| | - B D Crawford
- Biology Department, University of New Brunswick, Fredericton, NB, Canada.
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2
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Su L, Zhao C, Sun B, Dou L, Wang C, Yang Z, Li T, Jin Y. Effects of exercise on muscle fiber conversion, muscle development and meat quality of Sunit sheep. Meat Sci 2024; 211:109440. [PMID: 38324956 DOI: 10.1016/j.meatsci.2024.109440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 01/22/2024] [Accepted: 01/26/2024] [Indexed: 02/09/2024]
Abstract
This study aimed to investigate the effects of exercise on muscle fiber conversion, muscle development and meat quality in the biceps femoris (BF) muscle of Sunit sheep. Twelve Sunit sheep with similar body weight were divided into two groups: control group (C group) and exercise group (E group), E group lambs underwent 6 km of exercise training per day for 90 d. The findings revealed that compared with the C group, exercise training enhanced the expression of MyHC IIa mRNA, decreased the number ratio of type IIB muscle fibers and the expression of MyHC IIb mRNA (P < 0.05). Furthermore, the E group lamb displayed higher creatine kinase (CK) activity, and lactic acid levels (P < 0.05), while glycogen content and lactic dehydrogenase (LDH) activity showed opposite trends (P < 0.05). Exercise significantly up-regulated the mRNA expression of AMP-activated protein kinase α1 (AMPKα1), sirtuin1 (SIRT1), peroxisome proliferator-activated receptor gamma coactivator 1-α (PGC-1α), cytochrome c oxidase IV (COX IV), protein kinase B (Akt), mammalian target of rapamycin (mTOR) and p70 Ribosomal S6 Kinase 1 (p70s6k1) (P < 0.05), suggesting exercise promoted muscle fiber conversion by mediating AMPK/PGC-1α pathway, and improved skeletal muscle development via Akt/mTOR pathway. Besides, backfat thickness and pH45min value in the E group decreased significantly, while the pH24, a*, and shear force value increased significantly (P < 0.05). To conclude, this study suggested that exercise training can be used to alter muscle fiber characteristics and muscle development in lamb production.
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Affiliation(s)
- Lin Su
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Congying Zhao
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Bing Sun
- Saihan District Center for Disease Control and Prevention, Hohhot 010010, China
| | - Lu Dou
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Chenlei Wang
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Zhihao Yang
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Tianle Li
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China
| | - Ye Jin
- Department of Food Science, College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China; Integrative Research Base of Beef and Lamb Processing Technology, Inner Mongolia Agricultural University, Hohhot, 010018, China.
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Yu B, Cai Z, Liu J, Zhang T, Feng X, Wang C, Li J, Gu Y, Zhang J. Identification of key differentially methylated genes in regulating muscle development and intramuscular fat deposition in chickens. Int J Biol Macromol 2024; 264:130737. [PMID: 38460642 DOI: 10.1016/j.ijbiomac.2024.130737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 02/26/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
Muscle development and intramuscular fat (IMF) deposition are intricate physiological processes characterized by multiple gene expressions and interactions. In this research, the phenotypic variations in the breast muscle of Jingyuan chickens were examined at three different time points: 42, 126, and 180 days old. Differential expression analysis and weighted gene co-expression network analysis (WGCNA) were performed to identify differentially methylated genes (DMGs) responsible for regulating muscle development and IMF deposition. The findings indicate a significant increase in breast muscle weight (BMW), myofiber diameter, and cross-sectional area, as well as IMF content, in correlation with the progressive number of growing days in Jingyuan chickens. The findings also revealed that 380 hypo-methylated and 253 hyper-methylated DMGs were identified between the three groups of breast muscle. Module gene and DMG association analysis identified m6A methylation-mediated multiple DMGs associated with muscle development and fat metabolism. In vitro cell modeling analysis reveals stage-specific differences in the expression of CUBN, MEGF10, BOP1, and BMPR2 during the differentiation of myoblasts and intramuscular preadipocytes. Cycloleucine treatment significantly inhibited the expression levels of CUBN, BOP1, and BMPR2, and promoted the expression of MEGF10. These results suggest that m6A methylation-mediated CUBN, MEGF10, BOP1, and BMPR2 can serve as potential candidate genes for regulating muscle development and IMF deposition, and provide an important theoretical basis for further investigation of the functional mechanism of m6A modification involved in adipogenesis.
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Affiliation(s)
- Baojun Yu
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Zhengyun Cai
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Jiamin Liu
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Tong Zhang
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Xiaofang Feng
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Chuanchuan Wang
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Jiwei Li
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Yaling Gu
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China
| | - Juan Zhang
- College of Animal Science and Technology, Ningxia University, Yinchuan 750021, China.
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Hao X, Fu Y, Li S, Nie J, Zhang B, Zhang H. Porcine transient receptor potential channel 1 (TRPC1) regulates muscle growth via the Wnt/β-catenin and Wnt/Ca 2+ pathways. Int J Biol Macromol 2024; 265:130855. [PMID: 38490377 DOI: 10.1016/j.ijbiomac.2024.130855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 03/09/2024] [Accepted: 03/11/2024] [Indexed: 03/17/2024]
Abstract
Transient receptor potential canonical (TRPC) channels allow the intracellular entry of Ca2+ and play important roles in several physio-pathological processes. In this study, we constructed transgenic mice expressing porcine TRPC1 (Tg-pTRPC1) to verify the effects of TRPC1 on skeletal muscle growth and elucidate the underlying mechanism. Porcine TRPC1 increased the muscle mass, fiber cross-sectional area, and exercise endurance of mice and accelerated muscle repair and regeneration. TRPC1 overexpression enhanced β-catenin expression and promoted myogenesis, which was partly reversed by inhibitors of β-catenin. TRPC1 facilitated the accumulation of intracellular Ca2+ and nuclear translocation of the NFATC2/NFATC2IP complex involved in the Wnt/Ca2+ pathway, promoting muscle growth. Paired related homeobox 1 (Prrx1) promoted the expression of TRPC1, NFATC2, and NFATC2IP that participate in the regulation of muscle growth. Taken together, our findings indicate that porcine TRPC1 promoted by Prrx1 could regulate muscle development through activating the canonical Wnt/β-catenin and non-canonical Wnt/Ca2+ pathways.
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Affiliation(s)
- Xin Hao
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China
| | - Yu Fu
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China
| | - Shixin Li
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China
| | - Jingru Nie
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China
| | - Bo Zhang
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China
| | - Hao Zhang
- State Key Laboratory of animal biotech breeding, Beijing Key Laboratory of animal genetic engineering, China Agricultural University, Beijing 100193, China; Sanya Institute of China Agricultural University, Sanya, Hainan 572025, China.
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5
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Chen JF, Wang J, Chai J, Jin W, Ren QL, Ma Q, Lu QX, Sun JJ, Mo DL, Zhang JQ, Xing BS. Transcriptome profiling of longissimus dorsi during different prenatal stages to identify genes involved in intramuscular fat deposition in lean and obese pig breeds. Mol Biol Rep 2024; 51:386. [PMID: 38441676 PMCID: PMC10914898 DOI: 10.1007/s11033-023-09088-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 11/29/2023] [Indexed: 03/07/2024]
Abstract
BACKGROUND There was significant difference in muscle development between fat-type and lean-type pig breeds. METHODS AND RESULTS In current study, transcriptome analysis and bioinformatics analysis were used to compare the difference in longissimus dorsi (LD) muscle at three time-points (38 days post coitus (dpc), 58 dpc, and 78 dpc ) between Huainan (HN) and Large white (LW) pig breeds. A total of 24500 transcripts were obtained in 18 samples, and 2319, 2799, and 3713 differently expressed genes (DEGs) were identified between these two breeds at 38 dpc, 58 dpc, and 78 dpc, respectively. And the number and foldchange of DEGs were increased, the alternative splice also increased. The cluster analysis of DEGs indicated the embryonic development progress of LD muscle between these two breeds was different. There were 539 shared DEGs between HN and LW at three stages, and the top-shared DEGs were associated with muscle development and lipid deposition, such as KLF4, NR4A1, HSP70, ZBTB16 and so on. CONCLUSIONS The results showed DEGs between Huainan (HN) and Large white (LW) pig breeds, and contributed to the understanding the muscle development difference between HN and LW, and provided basic materials for improvement of meat quality.
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Affiliation(s)
- Jun Feng Chen
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Jing Wang
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Jin Chai
- Agricultural Ministry Key Laboratory of Swine Breeding and Genetics & Key Laboratory of Agricultural Animal Genetics, Breeding, and Reproduction of Ministry of Education, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wei Jin
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Qiao Ling Ren
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Qiang Ma
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Qing Xia Lu
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Jia Jie Sun
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China
| | - De Lin Mo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jia Qing Zhang
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China
| | - Bao Song Xing
- Henan Key Laboratory of Farm Animal Breeding and Nutritional Regulation, Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Huayuan Road No.116, Zhengzhou, 450002, Henan, China.
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Xu J, Wen Y, Li X, Peng W, Zhang Z, Liu X, Yang P, Chen N, Lei C, Zhang J, Wang E, Chen H, Huang Y. Bovine enhancer-regulated circSGCB acts as a ceRNA to regulate skeletal muscle development via enhancing KLF3 expression. Int J Biol Macromol 2024; 261:129779. [PMID: 38290628 DOI: 10.1016/j.ijbiomac.2024.129779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 01/07/2024] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
Skeletal muscle growth and development in livestock and poultry play a pivotal role in determining the quality and yield of meat production. However, the mechanisms of myogenesis are remained unclear due to it finely regulated by a complex network of biological macromolecules. In this study, leveraging previous sequencing data, we investigated a differentially expressed circular RNA (circSGCB) present in fetal and adult muscle tissues among various ruminant species, including cattle, goat, and sheep. Our analysis revealed that circSGCB is a single exon circRNA, potentially regulated by an adjacent bovine enhancer. Functional analysis through loss-of-function tests demonstrated that circSGCB exerts inhibitory effects on bovine myoblast proliferation while promoting myocytes generation. Furthermore, we discovered that circSGCB primarily localizes to the cytoplasm, where it functions as a molecular sponge by binding to bta-miR-27a-3p. This interaction releases the mRNAs of KLF3 gene and further activates downstream functional pathways. In vivo, studies provided evidence that up-regulation of KLF3 contributes to muscle regeneration. These findings collectively suggest that circSGCB operates via a competing endogenous RNA (ceRNA) mechanism to regulate KLF3, thereby influencing myogenesis in ruminants and highlights it may as potential molecular targets for enhancing meat production in livestock and poultry industries.
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Affiliation(s)
- Jiawei Xu
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yifan Wen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xinmiao Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Wei Peng
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining 810016, China
| | - Zijing Zhang
- Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
| | - Xian Liu
- Henan Provincial Animal Husbandry General Station, Zhengzhou, Henan 450008, China
| | - Peng Yang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ningbo Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chuzhao Lei
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jun Zhang
- Qinghai Academy of Animal Science and Veterinary Medicine, Qinghai University, Xining 810016, China
| | - Eryao Wang
- Institute of Animal Husbandry and Veterinary Science, Henan Academy of Agricultural Sciences, Zhengzhou, Henan 450002, China
| | - Hong Chen
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yongzhen Huang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Huang C, Feng F, Dai R, Ren W, Li X, Zhaxi T, Ma X, Wu X, Chu M, La Y, Bao P, Guo X, Pei J, Yan P, Liang C. Whole-transcriptome analysis of longissimus dorsi muscle in cattle-yaks reveals the regulatory functions of ADAMTS6 gene in myoblasts. Int J Biol Macromol 2024; 262:129985. [PMID: 38342263 DOI: 10.1016/j.ijbiomac.2024.129985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/21/2024] [Accepted: 01/31/2024] [Indexed: 02/13/2024]
Abstract
Cattle-yak, which is the hybrid F1 generation of cattle and yak, demonstrates better production performance compared to yak. However, there is limited research on the molecular mechanisms responsible for the muscle development of cattle-yak. To address this knowledge gap, a comprehensive transcriptomic survey of the longissimus dorsi muscle in cattle-yak was conducted. Three transcript types, namely lncRNAs, miRNAs, and circRNAs, along with protein-coding genes were characterized at two developmental stages (6 m, 18 m) of cattle-yak. The results revealed significant enrichment of these transcripts into pathways related to myoblast differentiation and muscle development signaling. Additionally, the study identified the TCONS00024465/circHIPK3-bta-miR-499-ADAMTS6 regulatory network, which may play a crucial role in the muscle development of cattle-yak by combining the transcriptome data of yak and constructing the ceRNA co-expression network. HEK 293 T cells were used to validate that TCONS00024465 and circHIPK3 are located upstream of bta-miR-499, and can competitively bind to bta-miR-499 as ceRNA. The study also verified that ADAMTS6 regulates skeletal muscle development by inhibiting myoblast proliferation, promoting myoblast differentiation, and positively regulating the apoptosis of myoblasts. Taken together, this study provides new insights into the advantages of cattle-yak production performance and offers a molecular basis for further research on muscle development.
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Affiliation(s)
- Chun Huang
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Fen Feng
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Rongfeng Dai
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Wenwen Ren
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Xinyi Li
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China
| | - Ta Zhaxi
- Animal Husbandry and Veterinary Workstation in Qilian County, Qilian 810400, China
| | - Xiaoming Ma
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Xiaoyun Wu
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Min Chu
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Yongfu La
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Pengjia Bao
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Xian Guo
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Jie Pei
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Ping Yan
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
| | - Chunnian Liang
- Key Laboratory of Yak Breeding Engineering Gansu Province, Lanzhou Institute of Husbandry and Pharmaceutical Science, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Key Laboratory of Animal Genetics and Breeding on Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou 730050, China.
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Ma M, Li L, Zuo G, Xiao J, Chen J, He X, Song Z. Effect of Zinc Amino Acid Complexes on Growth Performance, Tissue Zinc Concentration, and Muscle Development of Broilers. Biol Trace Elem Res 2024; 202:291-306. [PMID: 37086354 DOI: 10.1007/s12011-023-03661-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 04/04/2023] [Indexed: 04/23/2023]
Abstract
The present study aimed to evaluate the effects of zinc amino acid complexes on growth performance, tissue zinc concentration, and muscle development in broilers. A total of 504 day-old male arbor acres broilers were randomly divided into seven treatments (fed with a basal diet or a basal diet supplemented with 120 mg kg-1 Zn as ZnSO4, 30, 60, 90 or 120 mg kg-1 Zn as ZnN, or 30 mg kg-1 Zn as ZnA separately). Each group had six replicates, with 12 birds per replicate. The results showed that the addition of 60 mg kg-1 ZnN significantly increased (P < 0.05) the average daily gain (ADG) and breast muscle percentage of broilers. Zinc concentration of ZnN and ZnA added groups were higher than (P < 0.05) that in the Zn sulfate group under the same addition dose. Except for the 30 mg kg-1 ZnN group, the muscle fiber diameter and cross-sectional area (CSA) were significantly increased (P < 0.05) in the ZnN addition groups. Compared with the basal diet group, adding ZnN significantly increased (P < 0.05) the expression of MTOR, MYOD, and MYOG at day 21 and decreased (P < 0.05) the expression of Atrogin-1. The expression levels of AKT, MTOR, P70S6K, and MYOD were increased at day 42, while the expression levels of MuRF1 and Atrogin-1 were decreased. Adhesion, backbone regulation of actin, MAPK, mTOR, and AMPK were significantly enriched as indicated by KEGG pathway enrichment analysis. In conclusion, zinc amino acid complexes could improve growth performance, tissue zinc concentration, and regulate breast muscle development.
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Affiliation(s)
- Mengmeng Ma
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, 410128, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha, 410128, China
| | - Liwei Li
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, 410128, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha, 410128, China
| | - Gang Zuo
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, 410128, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha, 410128, China
- Beijing Deyuanshun Biotechnology Co., Ltd., Beijing, 102206, China
| | - Jian Xiao
- Hunan Xiang Jia Husbandry Limited By Share Ltd., Changde, 415000, Hunan, China
| | - Junlie Chen
- Hunan Xiang Jia Husbandry Limited By Share Ltd., Changde, 415000, Hunan, China
| | - Xi He
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, 410128, China
- Hunan Engineering Research Center of Poultry Production Safety, Changsha, 410128, China
| | - Zehe Song
- College of Animal Science and Technology, Hunan Agricultural University, Hunan, 410128, China.
- Hunan Engineering Research Center of Poultry Production Safety, Changsha, 410128, China.
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Wang Q, Yan Y, Tao Y, Lu S, Xu P, Qiang J. Transcriptional Knock-down of mstn Encoding Myostatin Improves Muscle Quality of Nile Tilapia (Oreochromis niloticus). Mar Biotechnol (NY) 2023; 25:951-965. [PMID: 37755584 DOI: 10.1007/s10126-023-10252-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Accepted: 09/10/2023] [Indexed: 09/28/2023]
Abstract
Myostatin (encoded by mstn) negatively regulates skeletal muscle mass and affects lipid metabolism. To explore the regulatory effects of mstn on muscle development and lipid metabolism in Nile tilapia (Oreochromis niloticus), we used antisense RNA to transcriptionally knock-down mstn. At 180 days, the body weight and body length were significantly higher in the mstn-knock-down group than in the control group (p < 0.05). Additionally, fish with mstn-knock-down exhibited myofiber hyperplasia but not hypertrophy. Oil red O staining revealed a remarkable increase in the area of lipid droplets in muscle in the mstn-knockdown group (p < 0.05). Nutrient composition analyses of muscle tissue showed that the crude fat content was significantly increased in the mstn-knock-down group (p < 0.05). The contents of saturated fatty acids, monounsaturated fatty acids, and polyunsaturated fatty acids were all significantly increased in the mstn-knock-down group (p < 0.05). Comparative transcriptome analyses revealed 2420 significant differentially expressed genes between the mstn-knock-down group and the control group. KEGG analysis indicates that disruptions to fatty acid degradation, glycerolipid metabolism, and the PPAR signaling pathway affect muscle development and lipid metabolism in mstn-knock-down Nile tilapia: acaa2, eci1, and lepr were remarkably up-regulated, and acadvl, lpl, foxo3, myod1, myog, and myf5 were significantly down-regulated (p < 0.05). These results show that knock-down of mstn results in abnormal lipid metabolism, acceleration of skeletal muscle development, and increased adipogenesis and weight gain in Nile tilapia.
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Affiliation(s)
- Qingchun Wang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
- Key Laboratory of Freshwater Fishes and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Yue Yan
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China
| | - Yifan Tao
- Key Laboratory of Freshwater Fishes and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
| | - Siqi Lu
- Key Laboratory of Freshwater Fishes and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Pao Xu
- Key Laboratory of Freshwater Fishes and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China
| | - Jun Qiang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, 214081, China.
- Key Laboratory of Freshwater Fishes and Germplasm Resources Utilization, Ministry of Agriculture, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, 214081, China.
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10
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Kong L, Yue Y, Li J, Yang B, Chen B, Liu J, Lu Z. Transcriptomics and metabolomics reveal improved performance of Hu sheep on hybridization with Southdown sheep. Food Res Int 2023; 173:113240. [PMID: 37803553 DOI: 10.1016/j.foodres.2023.113240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 10/08/2023]
Abstract
Consumers are increasingly demanding high-quality mutton. Cross breeding can improve meat quality and is widely used in sheep breeding. However, little is known about the molecular mechanism of cross breeding sheep meat quality. In this study, male Southdown and female Hu sheep were hybridized. The slaughter performance and longissimus dorsi quality of the 6-month-old hybrid offspring were measured, and the longissimus dorsi of the hybrid offspring was analyzed by transcriptomics and metabolomics to explore the effect of cross breeding on meat quality. The results showed that the production performance of Southdown × Hu F1 sheep was significantly improved, the carcass fat content was significantly decreased, and the eating quality of Southdown × Hu F1 sheep were better. Compared with the HS group (Hu × Hu), the NH group (Southdown × Hu) had 538 differentially expressed genes and 166 differentially expressed metabolites (P < 0.05), which were significantly enriched in amino acid metabolism and other related pathways. Up-regulated genes METTL21C, PPARGC1A and down-regulated gene WFIKKN2 are related to muscle growth and development. Among them, the METTL21C gene, which is related to muscle development, was highly correlated with carnosine, a metabolite related to meat quality (correlation > 0.6 and P < 0.05). Our results provide further understanding of the molecular mechanism of cross breeding for sheep muscle growth and meat quality optimization.
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Affiliation(s)
- Lingying Kong
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, China
| | - Yaojing Yue
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Jianye Li
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Bohui Yang
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Bowen Chen
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China
| | - Jianbin Liu
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China.
| | - Zengkui Lu
- Key Laboratory of Animal Genetics and Breeding on the Tibetan Plateau, Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou 730050, China; Sheep Breeding Engineering Technology Research Center of Chinese Academy of Agricultural Sciences, Lanzhou 730050, China.
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11
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He XN, Wu P, Jiang WD, Liu Y, Kuang SY, Tang L, Ren HM, Li H, Feng L, Zhou XQ. Aflatoxin B1 exposure induced developmental toxicity and inhibited muscle development in zebrafish embryos and larvae. Sci Total Environ 2023; 878:163170. [PMID: 37003331 DOI: 10.1016/j.scitotenv.2023.163170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/02/2023] [Accepted: 03/26/2023] [Indexed: 05/13/2023]
Abstract
The prevalence of aflatoxin B1 (AFB1), one of the most toxic mycotoxins that contaminates feedstock and food is increasing worldwide. AFB1 can cause various health problems in humans and animals, as well as direct embryotoxicity. However, the direct toxicity of AFB1 on embryonic development, especially foetal foetus muscle development, has not been studied in depth. In the present study, we used zebrafish embryos as a model to study the mechanism of the direct toxicity of AFB1 to the foetus, including muscle development and developmental toxicity. Our results showed that AFB1 caused motor dysfunction in zebrafish embryos. In addition, AFB1 induces abnormalities in muscle tissue architecture, which in turn causes abnormal muscle development in larvae. Further studies found that AFB1 destroyed the antioxidant capacity and tight junction complexes (TJs), causing apoptosis in zebrafish larvae. In summary, AFB1 may induce developmental toxicity and inhibit muscle development through oxidative damage, apoptosis and disruption of TJs in zebrafish larvae. Our results revealed the direct toxicity effects of AFB1 on the development of embryos and larvae, including inhibition of muscle development and triggering neurotoxicity, induction of oxidative damage, apoptosis and disruption of TJs, and fills the gap in the toxicity mechanism of AFB1 on foetal development.
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Affiliation(s)
- Xiang-Ning He
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Pei Wu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Provence, Sichuan 611130, China
| | - Wei-Dan Jiang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Provence, Sichuan 611130, China
| | - Yang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Provence, Sichuan 611130, China
| | - Sheng-Yao Kuang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Ling Tang
- Animal Nutrition Institute, Sichuan Academy of Animal Science, Chengdu 610066, China
| | - Hong-Mei Ren
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Hua Li
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China
| | - Lin Feng
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Provence, Sichuan 611130, China.
| | - Xiao-Qiu Zhou
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China; Fish Nutrition and Safety Production University Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China; Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Ministry of Agriculture and Rural Affairs, Key Laboratory of Sichuan Provence, Sichuan 611130, China.
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12
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Lee JM, Lim TY, Oh SB, Lee SJ, Bae YS, Jung HS. Ahnak is required to balance calcium ion homeostasis and smooth muscle development in the urinary system. Cell Biosci 2023; 13:108. [PMID: 37308968 DOI: 10.1186/s13578-023-01055-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 05/22/2023] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND Various renal abnormalities, including hydronephrosis, polycystic kidney disease, and hydroureter, have been reported, and these abnormalities are present in DiGeorge syndrome, renal dysplasia, and acute kidney failure. Previous studies have shown that various genes are associated with renal abnormalities. However, the major target genes of nonobstructive hydronephrosis have not yet been elucidated. RESULTS We examined neuroblast differentiation-associated protein Ahnak localization and analyzed morphogenesis in developing kidney and ureter. To investigated function of Ahnak, RNA-sequencing and calcium imaging were performed in wild type and Ahnak knockout (KO) mice. Ahnak localization was confirmed in the developing mouse kidneys and ureter. An imbalance of calcium homeostasis and hydronephrosis, which involves an expanded renal pelvis and hydroureter, was observed in Ahnak KO mice. Gene Ontology enrichment analysis on RNA-seq results indicated that 'Channel Activity', 'Passive Transmembrane Transporter Activity' and 'Cellular Calcium Ion Homeostasis' were downregulated in Ahnak KO kidney. 'Muscle Tissue Development', 'Muscle Contraction', and 'Cellular Calcium Ion Homeostasis' were downregulated in Ahnak KO ureter. Moreover, peristaltic movement of smooth muscle in the ureter was reduced in Ahnak KO mice. CONCLUSIONS Abnormal calcium homeostasis causes renal disease and is regulated by calcium channels. In this study, we focused on Ahnak, which regulates calcium homeostasis in several organs. Our results indicate that Ahnak plays a pivotal role in kidney and ureter development, and in maintaining the function of the urinary system.
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Affiliation(s)
- Jong-Min Lee
- Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, 03722, Korea
| | - Tae-Yang Lim
- Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, 03722, Korea
| | - Sang-Bin Oh
- Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, 03722, Korea
| | - Seung-Jun Lee
- Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, 03722, Korea
| | - Yun Soo Bae
- Department of Life Sciences, Ewha Woman's University, Seoul, Korea
| | - Han-Sung Jung
- Department of Oral Biology, Taste Research Center, Oral Science Research Center, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, 03722, Korea.
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13
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Low ZX, McGrouther DA. First dorsal interosseous muscle reconstruction: a systematic review of its attachments. Surg Radiol Anat 2023:10.1007/s00276-023-03149-0. [PMID: 37169993 DOI: 10.1007/s00276-023-03149-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 04/12/2023] [Indexed: 05/13/2023]
Abstract
PURPOSE The first dorsal interosseous (FDI) muscle, when impaired due to traumatic injuries or degenerative conditions, can be reanimated in various ways to restore pinch grip. These reconstructive techniques are planned based on a precise anatomical understanding of the FDI muscle. However, a review of the existing literature has brought to light controversy regarding its insertions. A systematic review of these descriptions is presented to appreciate these variations. METHODS An electronic database search without exclusion by publication year and language was performed according to the Checklist for Anatomical Reviews and Meta-Analyses (CARMA) guidelines, using the PubMed, Scopus, Web of Science and Embase databases. An assessment of the methodological quality was performed. RESULTS Thirteen studies were included in this article. There is general agreement that the FDI muscle contains two bellies and a bony insertion into the index finger proximal phalanx base. However, due to wide anatomic variation, differences were reported on whether there is a soft tissue insertion. When this was found, the included studies differed on how commonly this occurs (between 1.4% and 78%), where it inserts. Other sites of distal insertions reported include the metacarpophalangeal capsule, the interosseous hood and an assemblage nucleus on the volar plate. CONCLUSIONS Our systematic review, focusing on the insertion of the FDI muscle, summarizes the existing knowledge on its anatomy and variations, thereby facilitating better understanding of its function and surgical planning for reconstruction.
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Affiliation(s)
- Zhi Xuan Low
- Department of Hand and Reconstructive Microsurgery, Singapore General Hospital, Academia, 20 College Road, Singapore, 169856, Singapore.
| | - Duncan Angus McGrouther
- Department of Hand and Reconstructive Microsurgery, Singapore General Hospital, Academia, 20 College Road, Singapore, 169856, Singapore
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14
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Yuan Y, Zhang WY, Yang BG, Zhou DK, Xu L, He YM, Zhang HY, Liu CL, Ma YH, Chu MX, Zhang WG, Gao HJ, Jiang L, Zhao FP, Zhang LP, Na RS, Oyungerel B, Han YG, Zeng Y, Wang SZ, Jiang HZ, Zhang HP, Jiang XP, He JN, Liang H, Kaushalendra K, Sun YW, Huang YF, Zhao YJ, Zhao ZQ, E GX, Zhao ZQ, E GX. A 1.1 Mb duplication CNV on chromosome 17 contributes to skeletal muscle development in Boer goats. Zool Res 2023; 44:303-314. [PMID: 36785897 PMCID: PMC10083219 DOI: 10.24272/j.issn.2095-8137.2022.384] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023] Open
Abstract
The Boer goat is one of the top meat breeds in modern animal husbandry and has attracted widespread attention for its unique growth performance. However, the genetic basis of muscle development in the Boer goat remains obscure. In this study, we identified specific structural variants in the Boer goat based on genome-wide selection signals and analyzed the basis of the molecular heredity of related candidate genes in muscle development. A total of 9 959 autosomal copy number variations (CNVs) were identified through selection signal analysis in 127 goat genomes. Specifically, we confirmed that the highest signal CNV (HSV) was a chromosomal arrangement containing an approximately 1.11 Mb (CHIR17: 60062304-61171840 bp) duplicated fragment inserted in reverse orientation and a 5 362 bp deleted region (CHIR17:60145940-60151302 bp) with overlapping genes (e.g., ARHGAP10, NR3C2, EDNRA, PRMT9, and TMEM184C). The homozygous duplicated HSV genotype (+/+) was found in 96% of Boer goats but was not detected in Eurasian goats and was only detected in 4% of indigenous African goats. The expression network of three candidate genes ( ARHGAP10, NR3C2, and EDNRA) regulating dose transcription was constructed by RNA sequencing. Results indicated that these genes were involved in the proliferation and differentiation of skeletal muscle satellite cells (SMSCs) and their overexpression significantly increased the expression of SAA3. The HSV of the Boer goat contributed to superior skeletal muscle growth via the dose effects of overlapping genes.
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Affiliation(s)
- Ying Yuan
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Wei-Yi Zhang
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Bai-Gao Yang
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Dong-Ke Zhou
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Lu Xu
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Yong-Meng He
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Hao-Yuan Zhang
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Cheng-Li Liu
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Yue-Hui Ma
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Ming-Xing Chu
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Wen-Guang Zhang
- College of Animal Science, Inner Mongolia Agricultural University, Huhhot, Inner Mongolia 010018, China
| | - Hui-Jiang Gao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Lin Jiang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Fu-Ping Zhao
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Lu-Pei Zhang
- Institute of Animal Science, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China
| | - Ri-Su Na
- College of Animal Science, Inner Mongolia Agricultural University, Huhhot, Inner Mongolia 010018, China
| | - Baatarchogt Oyungerel
- School of Animal Science & Biotechnology, Mongolian University of Life Sciences, Zaisan, Khan-uul, Ulaanbaatar 17024, Mongolia
| | - Yan-Guo Han
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Yan Zeng
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Shi-Zhi Wang
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Huai-Zhi Jiang
- Animal Science and Technology College, Jilin Agriculture University, Changchun, Jilin 130118, China
| | - Hong-Ping Zhang
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Xun-Ping Jiang
- Key Lab of Agricultural Animal, Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology, Huazhong, Agricultural University, Wuhan, Hubei 430070, China
| | - Jian-Ning He
- College of Animal Science and Technology, Qingdao Agricultural University, Qingdao, Shandong 266109, China
| | - Hao Liang
- State Key Laboratory of Reproductive Regulation and Breeding of Grassland Livestock, School of Life Sciences, Inner Mongolia University, Hohhot, Inner Mongolia 010070, China
| | | | - Ya-Wang Sun
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Yong-Fu Huang
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Yong-Ju Zhao
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Zhong-Quan Zhao
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China
| | - Guang-Xin E
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China.,Chongqing Key Laboratory of Forage & Herbivore, Chongqing 400715, China. E-mail:
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15
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Sharma R, Arora R, Ahlawat S, Chhabra P, Kumar A, Kaur M, Lal SB, Mishra DC, Farooqi MS, Srivastava S. Study on the muscle transcriptome of two diverse Indian backyard poultry breeds acclimatized to different agro-ecological conditions. Mol Biol Rep 2023; 50:2453-61. [PMID: 36598628 DOI: 10.1007/s11033-022-08223-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 12/19/2022] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Free-range (FR) poultry production systems are associated with quality products and improved welfare. All the 19 diverse chicken breeds of India have evolved under the FR system and are adapted to different agro-climatic conditions. It is vital to explore indigenous germplasm with modern genomic tools to have insights into genomic characteristics of production traits and adaptation. METHODS In this study, breast tissue transcriptome profiles were generated and analyzed from four biological replicates of two indigenous backyard poultry breeds of India-Ankaleshwar, a breed of the mainland, and Nicobari, a breed adapted to islands. The read quality of sequences was checked by FASTQC and processed reads were aligned to the reference genome (bGalGal1). RESULTS More than 94% mapping to the reference genome was observed for all samples. A total of 12,790 transcripts were common across both groups, while 657 were expressed only in Ankaleshwar and 169 in Nicobari. The highest expressed genes across both groups were associated mainly with muscle structure, contraction, and energy metabolism. The highly expressed genes identified in Ankaleshwar were involved in fatty acid catabolism and oxidative stress mitigation. Functional terms, pathways, and hub genes in Nicobari participated in muscle fiber growth, adipogenesis, and fatty acid anabolism. A key hub gene (RAC1) in Nicobari is a potential candidate affecting the laying rate in chickens. The qRT-PCR results also substantiate the RNA-seq results. CONCLUSION The findings provide a precious molecular resource to advance understanding of the genetic basis of adaptation, meat quality, and egg production in backyard chickens.
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16
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Yang S, Johnson AN. The serine/threonine kinase Back seat driver prevents cell fusion to maintain cell identity. Dev Biol 2023; 495:35-41. [PMID: 36528051 DOI: 10.1016/j.ydbio.2022.12.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 11/23/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
Cell fate specification is essential for every major event of embryogenesis, and subsequent cell maturation ensures individual cell types acquire specialized functions. The mechanisms that regulate cell fate specification have been studied exhaustively, and each technological advance in developmental biology ushers in a new era of studies aimed at uncovering the most fundamental processes by which cells acquire unique identities. What is less appreciated is that mechanisms are in place to ensure cell identity is maintained throughout the life of the organism. The body wall musculature in the Drosophila embryo is a well-established model to study cell fate specification, as each hemisegment in the embryo generates and maintains thirty muscles with distinct identities. Once specified, the thirty body wall muscles fuse with mononucleate muscle precursors that lack a specific identity to form multinucleate striated muscles. Multinucleate body wall muscles do not fuse with each other, which maintains a diversification of muscle cell identities. Here we show the serine/threonine kinase Back seat driver (Bsd) prevents inappropriate muscle fusion to maintain cell identity. Thus, the regulation of cell fusion is one mechanism that maintains cell identity.
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Affiliation(s)
- Shuo Yang
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, 63110, United States
| | - Aaron N Johnson
- Department of Developmental Biology, Washington University School of Medicine, St. Louis, MO, 63110, United States
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17
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Zhang M, Guo Y, Su R, Corazzin M, Hou R, Xie J, Zhang Y, Zhao L, Su L, Jin Y. Transcriptome analysis reveals the molecular regulatory network of muscle development and meat quality in Sunit lamb supplemented with dietary probiotic. Meat Sci 2022; 194:108996. [PMID: 36195032 DOI: 10.1016/j.meatsci.2022.108996] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 09/13/2022] [Accepted: 09/23/2022] [Indexed: 11/27/2022]
Abstract
Supplementing animal feed with probiotic additives can promote muscle production and improve meat quality. The study aimed to explore the effects of dietary probiotics supplementation on the performance, meat quality and muscle transcriptome profile in Sunit lamb. Overall, feeding probiotics significantly increased the body length, LT area, pH24h and intramuscular fat (IMF) content, but decreased cooking loss and meat shear force compared to the control group (P < .05). A total of 651 differentially expressed genes (DEGs) were found in probiotic supplemented lambs. Pathway analysis revealed that DEGs were involved in multiple pathways related to muscle development and fat deposition, such as the ECM-receptor interactions, the MAPK signaling pathway and the FoxO signaling pathway. Therefore, dietary probiotic supplementation can improve muscle development and final meat quality in Sunit lambs by altering gene expression profiles associated with key pathways, providing unique insights into the molecular mechanisms by which dietary probiotics regulate muscle development in the lamb industry.
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Affiliation(s)
- Min Zhang
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Yueying Guo
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Rina Su
- Inner Mongolia Vocational College of Chemical Engineering, China
| | - Mirco Corazzin
- Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, Italy
| | - Ran Hou
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Jingyu Xie
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Yue Zhang
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Lihua Zhao
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Lin Su
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China
| | - Ye Jin
- College of Food Science and Engineering, Inner Mongolia Agriculture University, China.
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18
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Li Y, Fu B, Zhang J, Wang G, Tian J, Li H, Xia Y, Xie J, Yu E. Comparative genome-wide methylation analysis reveals epigenetic regulation of muscle development in grass carp ( Ctenopharyngodon idellus) fed with whole faba bean. PeerJ 2022; 10:e14403. [PMID: 36438576 PMCID: PMC9686415 DOI: 10.7717/peerj.14403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 10/26/2022] [Indexed: 11/22/2022] Open
Abstract
Crisp grass carp (CGC), the most representative improved varieties of grass carp (GC), features higher muscle hardness after feeding faba bean (Vicia faba L.) for 90-120 days. DNA methylation, a most widely studied epigenetic modification, plays an essential role in muscle development. Previous studies have identified numerous differentially expressed genes (DEGs) between CGC and GC. However, it remains unknown if the expression levels of these DEGs are influenced by DNA methylation. In the present study, we performed a comprehensive analysis of DNA methylation profiles between CGC and GC, and identified important candidate genes related to muscle development coupled with the transcriptome sequencing data. A total of 9,318 differentially methylated genes (DMGs) corresponding to 155,760 differentially methylated regions (DMRs) were identified between the two groups under the CG context in promoter regions. Combined with the transcriptome sequencing data, 14 key genes related to muscle development were identified, eight of which (gsk3b, wnt8a, wnt11, axin2, stat1, stat2, jak2, hsp90) were involved in muscle fiber hyperplasia, six of which (tgf-β1, col1a1, col1a2, col1a3, col4a1, col18a1) were associated with collagen synthesis in crisp grass carp. The difference of methylation levels in the key genes might lead to the expression difference, further resulting in the increase of muscle hardness in crisp grass carp. Overall, this study can help further understand how faba bean modulates muscle development by the epigenetic modifications, providing novel insights into the texture quality improvement in other aquaculture fish species by nutritional programming.
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19
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Reis NG, Assis AP, Lautherbach N, Gonçalves DA, Silveira WA, Morgan HJN, Valentim RR, Almeida LF, Heck LC, Zanon NM, Koike TE, Santos AR, Miyabara EH, Kettelhut IC, Navegantes LC. Maternal vitamin D deficiency affects the morphology and function of glycolytic muscle in adult offspring rats. J Cachexia Sarcopenia Muscle 2022; 13:2175-2187. [PMID: 35582969 PMCID: PMC9398225 DOI: 10.1002/jcsm.12986] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 02/14/2022] [Accepted: 02/28/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Fetal stage is a critical developmental window for the skeletal muscle, but little information is available about the impact of maternal vitamin D (Vit. D) deficiency (VDD) on offspring lean mass development in the adult life of male and female animals. METHODS Female rats (Wistar Hannover) were fed either a control (1000 IU Vit. D3/kg) or a VDD diet (0 IU Vit. D3/kg) for 6 weeks and during gestation and lactation. At weaning, male and female offspring were randomly separated and received a standard diet up to 180 days old. RESULTS Vitamin D deficiency induced muscle atrophy in the male (M-VDD) offspring at the end of weaning, an effect that was reverted along the time. Following 180 days, fast-twitch skeletal muscles [extensor digitorum longus (EDL)] from the M-VDD showed a decrease (20%; P < 0.05) in the number of total fibres but an increase in the cross-sectional area of IIB (17%; P < 0.05), IIA (19%; P < 0.05) and IIAX (21%; P < 0.05) fibres. The fibre hypertrophy was associated with the higher protein levels of MyoD (73%; P < 0.05) and myogenin (55% %; P < 0.05) and in the number of satellite cells (128.8 ± 14 vs. 91 ± 7.6 nuclei Pax7 + in the M-CTRL; P < 0.05). M-VDD increased time to fatigue during ex vivo contractions of EDL muscles and showed an increase in the phosphorylation levels of IGF-1/insulin receptor and their downstream targets related to anabolic processes and myogenic activation, including Ser 473 Akt and Ser 21/9 GSK-3β. In such muscles, maternal VDD induced a compensatory increase in the content of calcitriol (two-fold; P < 0.05) and CYP27B1 (58%; P < 0.05), a metabolizing enzyme that converts calcidiol to calcitriol. Interestingly, most morphological and biochemical changes found in EDL were not observed in slow-twitch skeletal muscles (soleus) from the M-VDD group as well as in both EDL and soleus muscles from the female offspring. CONCLUSIONS These data show that maternal VDD selectively affects the development of type-II muscle fibres in male offspring rats but not in female offspring rats and suggest that the enhancement of their size and fatigue resistance in fast-twitch skeletal muscle (EDL) is probably due to a compensatory increase in the muscle content of Vit. D in the adult age.
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Affiliation(s)
- Natany G Reis
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Ana P Assis
- Department of Biochemistry & Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Natália Lautherbach
- Department of Biochemistry & Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Dawit A Gonçalves
- Exercise Physiology Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Wilian A Silveira
- Institute of Biological and Natural Science, Federal University of Triângulo Mineiro, Uberaba, MG, Brazil
| | - Henrique J N Morgan
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Rafael R Valentim
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Lucas F Almeida
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Lilian C Heck
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Neusa M Zanon
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Tatiana E Koike
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, São Paulo, SP, Brazil
| | - Audrei R Santos
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, São Paulo, SP, Brazil
| | - Elen H Miyabara
- Department of Anatomy, Institute of Biomedical Sciences, University of Sao Paulo, São Paulo, SP, Brazil
| | - Isis C Kettelhut
- Department of Biochemistry & Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Luiz C Navegantes
- Department of Physiology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, SP, Brazil
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20
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Park MJ, Kim JW, Roh E, Choi KM, Baik SH, Hwang HJ, Yoo HJ. Sestrin2 Regulates Beneficial β3-Adrenergic Receptor-Mediated Effects Observed in Inguinal White Adipose Tissue and Soleus Muscle. Endocrinol Metab (Seoul) 2022; 37:552-557. [PMID: 35798554 PMCID: PMC9262693 DOI: 10.3803/enm.2022.1421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Accepted: 05/25/2022] [Indexed: 11/11/2022] Open
Abstract
Sestrin2, a well-known adenosine monophosphate-activated protein kinase (AMPK) regulator, plays a protective role against metabolic stress. The β3-adrenergic receptor (β3AR) induces fat browning and inhibits muscle atrophy in an AMPK-dependent manner. However, no prior research has examined the relationship of sestrin2 with β3AR in body composition changes. In this study, CL 316,243 (CL), a β3AR agonist, was administered to wild-type and sestrin2-knockout (KO) mice for 2 weeks, and fat and muscle tissues were harvested. CL induced AMPK phosphorylation, expression of brown-fat markers, and mitochondrial biogenesis, which resulted in the reduction of lipid droplet size in inguinal white adipose tissue (iWAT). These effects were not observed in sestrin2-KO mice. In CL-treated soleus muscle, sestrin2-KO was related to decreased myogenic gene expression and increased levels of muscle atrophy-related molecules. Our results suggest that sestrin2 is associated with beneficial β3AR-mediated changes in body composition, especially in iWAT and in the soleus.
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Affiliation(s)
- Min Jeong Park
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Joo Won Kim
- BK21 Graduate Program, Department of Biomedical Sciences and Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Eun Roh
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kyung Mook Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Sei Hyun Baik
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
| | - Hwan-Jin Hwang
- BK21 Graduate Program, Department of Biomedical Sciences and Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
- Hwan-Jin Hwang BK21 Graduate Program, Department of Biomedical Sciences and Department of Internal Medicine, Korea University Guro Hospital, 148 Gurodong-ro, Guro-gu, Seoul 08308, Korea Tel: +82-2-2626-1971, Fax: +82-2-2626-1096, E-mail:
| | - Hye Jin Yoo
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University College of Medicine, Seoul, Korea
- Corresponding authors: Hye Jin Yoo Division of Endocrinology and Metabolism, Department of Internal Medicine, Korea University Guro Hospital, Korea University College of Medicine, 148 Gurodong-ro, Guro-gu, Seoul 08308, Korea Tel: +82-2-2626-3045, Fax: +82-2-2626-1096, E-mail:
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21
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Shi B, Shi X, Zuo Z, Zhao S, Zhao Z, Wang J, Zhou H, Luo Y, Hu J, Hickford JGH. Identification of differentially expressed genes at different post-natal development stages of longissimus dorsi muscle in Tianzhu white yak. Gene X 2022; 823:146356. [PMID: 35227854 DOI: 10.1016/j.gene.2022.146356] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Revised: 01/28/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
The regulatory mechanisms controlling post-natal muscle development in the yak (Bos grunniens) are still largely unknown, yet the growth and development of muscle is a complex process that plays a crucial role in determining the yield and quality of an animal's meat. In this study, we performed a transcriptome analysis based on the RNA sequencing (RNA-Seq) of yak longissimus dorsi muscle tissue obtained from calves (6 months of age; 6 M), young adults (30 months of age; 30 M) and adult (54 months of age; 54 M) to identify which genes are differentially expressed and to investigate their temporal expression profiles. In total, 1788 differentially expressed genes (DEGs) (|log2FC| ≥ 1, P-adjusted < 0.05) were detected by pairwise comparisons between the different age groups. The expression levels of 10 of the DEGs were confirmed using reverse transcription-quantitative PCR (RT-qPCR), and the results were consistent with the transcriptome profile. A time-series expression profile analysis clustered the DEGs into four groups that could be divided into two classes (P < 0.05): class 1 profiles, which had up-regulated patterns of gene expression and class 2 profiles, which featured down-regulated patterns. Based on that cluster analysis, GO enrichment analysis revealed 1073, 127, and 184 terms as significantly enriched in biological process (BP), cellular component (CC), and molecular function (MF) categories in the class 1 profiles, while 714, 66, and 206 terms were significantly enriched in BP, CC, and MF in the class 2 profiles. A KEGG pathway analysis revealed that DEGs from the class 1 profiles were enriched in 62 pathways, with the most enriched being the phosphoinositide 3-kinase (PI3K) - protein kinase B (Akt)-signaling pathway. The DEGs from the class 2 profiles were enriched in 16 pathways, of which forkhead box protein O (FoxO) - signaling was the most enriched. Taken together, these results provide insight into the mechanisms of skeletal muscle development, as well suggesting some potential genes of importance for yak meat production.
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Affiliation(s)
- Bingang Shi
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Xuehong Shi
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Zhi Zuo
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Shijie Zhao
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Zhidong Zhao
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Jiqing Wang
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Huitong Zhou
- Gene-Marker Laboratory, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand
| | - Yuzhu Luo
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China
| | - Jiang Hu
- Faculty of Animal Science and Technology & Gansu Key Laboratory of Herbivorous Animal Biotechnology, Gansu Agricultural University, Lanzhou 730070, China.
| | - Jon G H Hickford
- Gene-Marker Laboratory, Faculty of Agriculture and Life Sciences, Lincoln University, Lincoln 7647, New Zealand.
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22
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Millay DP. Regulation of the myoblast fusion reaction for muscle development, regeneration, and adaptations. Exp Cell Res 2022; 415:113134. [PMID: 35367215 DOI: 10.1016/j.yexcr.2022.113134] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 02/23/2022] [Accepted: 03/28/2022] [Indexed: 12/27/2022]
Abstract
Fusion of plasma membranes is essential for skeletal muscle development, regeneration, exercise-induced adaptations, and results in a cell that contains hundreds to thousands of nuclei within a shared cytoplasm. The differentiation process in myocytes culminates in their fusion to form a new myofiber or fusion to an existing myofiber thereby contributing more synthetic material to the syncytium. The choice for two cells to fuse and become one could be a dangerous event if the two cells are not committed to an allied function. Thus, fusion events are highly regulated with positive and negative factors to fine-tune the process, and requires muscle-specific fusogens (Myomaker and Myomerger) as well as general cellular machinery to achieve the union of membranes. While a unified vertebrate myoblast fusion pathway is not yet established, recent discoveries should make this pursuit attainable. Not only does myocyte fusion impact the normal biology of skeletal muscle, but new evidence indicates dysregulation of the process impacts pathologies of skeletal muscle. Here, I will highlight the molecular players and biochemical mechanisms that drive fusion events in muscle, and discuss how this key myogenic process impacts skeletal muscle diseases.
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23
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Aase-Remedios ME, Coll-Lladó C, Ferrier DEK. Amphioxus muscle transcriptomes reveal vertebrate-like myoblast fusion genes and a highly conserved role of insulin signalling in the metabolism of muscle. BMC Genomics 2022; 23:93. [PMID: 35105312 PMCID: PMC8805411 DOI: 10.1186/s12864-021-08222-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 11/25/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND The formation and functioning of muscles are fundamental aspects of animal biology, and the evolution of 'muscle genes' is central to our understanding of this tissue. Feeding-fasting-refeeding experiments have been widely used to assess muscle cellular and metabolic responses to nutrition. Though these studies have focused on vertebrate models and only a few invertebrate systems, they have found similar processes are involved in muscle degradation and maintenance. Motivation for these studies stems from interest in diseases whose pathologies involve muscle atrophy, a symptom also triggered by fasting, as well as commercial interest in the muscle mass of animals kept for consumption. Experimentally modelling atrophy by manipulating nutritional state causes muscle mass to be depleted during starvation and replenished with refeeding so that the genetic mechanisms controlling muscle growth and degradation can be understood. RESULTS Using amphioxus, the earliest branching chordate lineage, we address the gap in previous work stemming from comparisons between distantly related vertebrate and invertebrate models. Our amphioxus feeding-fasting-refeeding muscle transcriptomes reveal a highly conserved myogenic program and that the pro-orthologues of many vertebrate myoblast fusion genes were present in the ancestral chordate, despite these invertebrate chordates having unfused mononucleate myocytes. We found that genes differentially expressed between fed and fasted amphioxus were orthologous to the genes that respond to nutritional state in vertebrates. This response is driven in a large part by the highly conserved IGF/Akt/FOXO pathway, where depleted nutrient levels result in activation of FOXO, a transcription factor with many autophagy-related gene targets. CONCLUSION Reconstruction of these gene networks and pathways in amphioxus muscle provides a key point of comparison between the distantly related groups assessed thus far, significantly refining the reconstruction of the ancestral state for chordate myoblast fusion genes and identifying the extensive role of duplicated genes in the IGF/Akt/FOXO pathway across animals. Our study elucidates the evolutionary trajectory of muscle genes as they relate to the increased complexity of vertebrate muscles and muscle development.
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Affiliation(s)
- Madeleine E Aase-Remedios
- The Scottish Oceans Institute, Gatty Marine Laboratory, School of Biology, University of St Andrews, St Andrews, Fife, KY16 8LB, UK
| | - Clara Coll-Lladó
- The Scottish Oceans Institute, Gatty Marine Laboratory, School of Biology, University of St Andrews, St Andrews, Fife, KY16 8LB, UK
| | - David E K Ferrier
- The Scottish Oceans Institute, Gatty Marine Laboratory, School of Biology, University of St Andrews, St Andrews, Fife, KY16 8LB, UK.
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24
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Manneken JD, Dauer MVP, Currie PD. Dynamics of muscle growth and regeneration: Lessons from the teleost. Exp Cell Res 2021; 411:112991. [PMID: 34958765 DOI: 10.1016/j.yexcr.2021.112991] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 12/16/2021] [Accepted: 12/22/2021] [Indexed: 11/30/2022]
Abstract
The processes of myogenesis during both development and regeneration share a number of similarities across both amniotes and teleosts. In amniotes, the process of muscle formation is considered largely biphasic, with developmental myogenesis occurring through hyperplastic fibre deposition and postnatal muscle growth driven through hypertrophy of existing fibres. In contrast, teleosts continue generating new muscle fibres during adult myogenesis through a process of eternal hyperplasia using a dedicated stem cell system termed the external cell layer. During developmental and regenerative myogenesis alike, muscle progenitors interact with their niche to receive cues guiding their transition into myoblasts and ultimately mature myofibres. During development, muscle precursors receive input from neighbouring embryological tissues; however, during repair, this role is fulfilled by other injury resident cell types, such as those of the innate immune response. Recent work has focused on the role of macrophages as a pro-regenerative cell type which provides input to muscle satellite cells during regenerative myogenesis. As zebrafish harbour a satellite cell system analogous to that of mammals, the processes of regeneration can be interrogated in vivo with the imaging intensive approaches afforded in the zebrafish system. This review discusses the strengths of zebrafish with a focus on both the similarities and differences to amniote myogenesis during both development and repair.
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Affiliation(s)
- Jessica D Manneken
- Australian Regenerative Medicine Institute, Level 1, 15 Innovation Walk, Monash University, Wellington Road, Clayton, Victoria, 3800, Australia
| | - Mervyn V P Dauer
- Australian Regenerative Medicine Institute, Level 1, 15 Innovation Walk, Monash University, Wellington Road, Clayton, Victoria, 3800, Australia
| | - Peter D Currie
- Australian Regenerative Medicine Institute, Level 1, 15 Innovation Walk, Monash University, Wellington Road, Clayton, Victoria, 3800, Australia; EMBL Australia, Level 1, 15 Innovation Walk, Monash University, Wellington Road, Clayton, Victoria, 3800, Australia.
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25
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Dubińska-Magiera M, Lewandowski D, Cysewski D, Pawlak S, Najbar B, Daczewska M. Lipid droplets in skeletal muscle during grass snake (Natrix natrix L.) development. Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159086. [PMID: 34822977 DOI: 10.1016/j.bbalip.2021.159086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 10/19/2021] [Accepted: 11/15/2021] [Indexed: 11/21/2022]
Abstract
Lipid droplets (LDs) are common organelles observed in Eucaryota. They are multifunctional organelles (involved in lipid storage, metabolism, and trafficking) that originate from endoplasmic reticulum (ER). LDs consist of a neutral lipid core, made up of diacyl- and triacylglycerols (DAGs and TAGs) and cholesterol esters (CEs), surrounded by a phospholipid monolayer and proteins, which are necessary for their structure and dynamics. Here, we report the protein and lipid composition as well as characterization and dynamics of grass snake (Natrix natrix) skeletal muscle LDs at different developmental stages. In the present study, we used detailed morphometric, LC-MS, quantitative lipidomic analyses of LDs isolated from the skeletal muscles of the snake embryos, immunofluorescence, and TEM. Our study also provides a valuable insight concerning the LDs' multifunctionality and ability to interact with a variety of organelles. These LD features are reflected in their proteome composition, which contains scaffold proteins, metabolic enzymes signalling polypeptides, proteins necessary for the formation of docking sites, and many others. We also provide insights into the biogenesis and growth of muscle LDs goes beyond the conventional mechanism based on the synthesis and incorporation of TAGs and LD fusion. We assume that the formation and functioning of grass snake muscle LDs are based on additional mechanisms that have not yet been identified, which could be related to the unique features of reptiles that are manifested in the after-hatching period of life, such as a reptile-specific strategy for energy saving during hibernation.
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26
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Wu L, Li L, Zhou L, Zhang T, Liu Z, Chen L, Wu B, Jing H, Sun X. Phalloidin fluorescence and confocal microscopy reveal the musculature development of clam Ruditapes philippinarum. Comp Biochem Physiol B Biochem Mol Biol 2021; 258:110693. [PMID: 34752895 DOI: 10.1016/j.cbpb.2021.110693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 10/27/2021] [Accepted: 11/02/2021] [Indexed: 10/19/2022]
Abstract
Knowledge of early development in bivalves is of great importance to understand the function of animal organ systems and the evolution of phenotypic diversity. Manila clam (Ruditapes philippinarum) is an economically important bivalve living in marine intertidal zones. To determine the pattern of muscle development in the clams, we investigate the characteristics of musculature development utilizing phalloidin staining and confocal microscopy. Myofilaments first appear at the early trochophore stage, and gradually become orderly arranged during the transition from trochophore to veliger. For veliger, larval muscle system is mainly composed of dorsal velum retractors, medio-dorsal velum retractors, ventral velum retractors, ventral larval retractors and anterior and posterior adductor muscles. After metamorphosis, the muscle system of late veliger has been reconstructed, showing the irreversible shrink of velum retractor muscles, the rapid growth of wedge-shaped foot and mantle margins. One of the most striking changes in settled spats is the development of sophisticated architecture of foot musculature, which consists of transverse pedal muscles, anterior foot retractor and posterior foot retractor. These findings will not only provide the basis to understand the dynamic pattern of myogenesis in the burrowing bivalves, but also provide valuable information for comparative analysis of muscle development among bivalves.
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Affiliation(s)
- Lei Wu
- Jiangsu Ocean University, Lianyungang 222005, China; Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
| | - Li Li
- Marine Science Institute of Shandong Province, Qingdao 266104, China
| | - Liqing Zhou
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
| | - Tianshi Zhang
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
| | - Zhihong Liu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
| | - Limei Chen
- Tianjin Agriculture University, Tianjin 300384, China
| | - Biao Wu
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China
| | - Hao Jing
- College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China
| | - Xiujun Sun
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Laboratory for Marine Fisheries Science and Food Production Processes, Pilot National Laboratory for Marine Science and Technology (Qingdao), Key Laboratory of Sustainable Development of Marine Fisheries, Ministry of Agriculture and Rural Affairs, Qingdao 266071, China.
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Celestino-Montes A, Hernández-Martínez S, Rodríguez MH, Cázares-Raga FE, Vázquez-Calzada C, Lagunes-Guillén A, Chávez-Munguía B, Rubio-Miranda JÁ, Hernández-Cázares FJ, Cortés-Martínez L, Hernández-Hernández FC. Development of the indirect flight muscles of Aedes aegypti, a main arbovirus vector. BMC Dev Biol 2021; 21:11. [PMID: 34445959 DOI: 10.1186/s12861-021-00242-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 08/08/2021] [Indexed: 11/22/2022]
Abstract
Background Flying is an essential function for mosquitoes, required for mating and, in the case of females, to get a blood meal and consequently function as a vector. Flight depends on the action of the indirect flight muscles (IFMs), which power the wings beat. No description of the development of IFMs in mosquitoes, including Aedes aegypti, is available.
Methods A. aegypti thoraces of larvae 3 and larvae 4 (L3 and L4) instars were analyzed using histochemistry and bright field microscopy. IFM primordia from L3 and L4 and IFMs from pupal and adult stages were dissected and processed to detect F-actin labelling with phalloidin-rhodamine or TRITC, or to immunodetection of myosin and tubulin using specific antibodies, these samples were analyzed by confocal microscopy. Other samples were studied using transmission electron microscopy. Results At L3–L4, IFM primordia for dorsal-longitudinal muscles (DLM) and dorsal–ventral muscles (DVM) were identified in the expected locations in the thoracic region: three primordia per hemithorax corresponding to DLM with anterior to posterior orientation were present. Other three primordia per hemithorax, corresponding to DVM, had lateral position and dorsal to ventral orientation. During L3 to L4 myoblast fusion led to syncytial myotubes formation, followed by myotendon junctions (MTJ) creation, myofibrils assembly and sarcomere maturation. The formation of Z-discs and M-line during sarcomere maturation was observed in pupal stage and, the structure reached in teneral insects a classical myosin thick, and actin thin filaments arranged in a hexagonal lattice structure. Conclusions A general description of A. aegypti IFM development is presented, from the myoblast fusion at L3 to form myotubes, to sarcomere maturation at adult stage. Several differences during IFM development were observed between A. aegypti (Nematoceran) and Drosophila melanogaster (Brachyceran) and, similitudes with Chironomus sp. were observed as this insect is a Nematoceran, which is taxonomically closer to A. aegypti and share the same number of larval stages. Supplementary Information The online version contains supplementary material available at 10.1186/s12861-021-00242-8.
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Lee JY, Kim DA, Choi E, Lee YS, Park SJ, Kim BJ. Aldosterone Inhibits In Vitro Myogenesis by Increasing Intracellular Oxidative Stress via Mineralocorticoid Receptor. Endocrinol Metab (Seoul) 2021; 36:865-874. [PMID: 34325504 PMCID: PMC8419622 DOI: 10.3803/enm.2021.1108] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 06/15/2021] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Despite clinical evidence indicating poor muscle health in subjects with primary aldosteronism (PA), it is still unclear whether the role of aldosterone in muscle metabolism is direct or mediated indirectly via factors, such as electrolyte imbalance or impaired glucose uptake. As one approach to clarify this issue, we investigated the effect of aldosterone on in vitro myogenesis and the potential mechanism explaining it. METHODS Myogenesis was induced in mouse C2C12 myoblasts with 2% horse serum. Immunofluorescence, quantitative reversetranscription polymerase chain reaction, Western blot, viability, and migration analyses were performed for experimental research. RESULTS Recombinant aldosterone treatment suppressed muscle differentiation from mouse C2C12 myoblasts in a dose-dependent manner, and consistently reduced the expression of myogenic differentiation markers. Furthermore, aldosterone significantly increased intracellular reactive oxygen species (ROS) levels in myotubes, and treatment with N-acetyl cysteine, a potent biological thiol antioxidant, reversed the decrease of myotube area, myotube area per myotube, nucleus number per myotube, and fusion index due to aldosterone through decreasing oxidative stress. A binding enzyme-linked immunosorbent assay confirmed that mineralocorticoid receptor (MR) interacted with aldosterone in C2C12 myoblasts, while eplerenone, an MR inhibitor, blocked aldosterone-stimulated intracellular ROS generation during myogenesis and markedly attenuated the suppression of in vitro myogenesis by aldosterone. CONCLUSION These findings support the hypothesis that hypersecretion of aldosterone, like PA, directly contributes to muscular deterioration and suggest that antioxidants and/or MR antagonists could be effective therapeutic options to reduce the risk of sarcopenia in these patients.
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Affiliation(s)
- Jin Young Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul,
Korea
| | - Da Ae Kim
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul,
Korea
| | - Eunah Choi
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul,
Korea
| | - Yun Sun Lee
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul,
Korea
| | - So Jeong Park
- Asan Institute for Life Sciences, University of Ulsan College of Medicine, Seoul,
Korea
| | - Beom-Jun Kim
- Division of Endocrinology and Metabolism, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
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29
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Kim DA, Park SJ, Lee JY, Kim JH, Lee S, Lee E, Jang IY, Jung HW, Park JH, Kim BJ. Effect of CCL11 on In Vitro Myogenesis and Its Clinical Relevance for Sarcopenia in Older Adults. Endocrinol Metab (Seoul) 2021; 36:455-465. [PMID: 33849248 PMCID: PMC8090464 DOI: 10.3803/enm.2020.942] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 02/22/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The C-C motif chemokine ligand 11 (CCL11) has been receiving attention as a potential pro-aging factor. Accordingly, it may be involved in muscle metabolism and sarcopenia, a key component of aging phenotypes. To clarify this potential, we investigated the effects of CCL11 on in vitro muscle biology and its clinical relevance for sarcopenia parameters in older adults. METHODS Myogenesis was induced in mouse C2C12 myoblasts with 2% horse serum. Human blood samples were collected from 79 participants who underwent a functional assessment. Thereafter, CCL11 level was measured using a quantikine ELISA kit. Sarcopenia was defined using the Asian-specific guideline. RESULTS Recombinant CCL11 treatment significantly stimulated myogenesis in a dose-dependent manner, and consistently increased the expression of myogenic differentiation markers. Among the C-C chemokine receptors (CCRs), CCR5, not CCR2 and CCR3, was predominantly expressed in muscle cells. Further, the CCR5 inhibitor blocked recombinant CCL11-stimulated myogenesis. In a clinical study, serum CCL11 level was not significantly different according to the status of sarcopenia, low muscle mass, weak muscle strength, and poor physical performance, and was not associated with skeletal muscle index, grip strength, short physical performance battery score, gait speed, and time to complete 5 chair stands, after adjusting for sex, age, and body mass index. CONCLUSION Contrary to expectations, CCL11 exerted beneficial effects on muscle metabolism at least in vitro system. However, its impact on human muscle health was not evident, suggesting that circulating CCL11 may not be a useful biomarker for sarcopenia risk assessment in older adults.
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Affiliation(s)
- Da Ae Kim
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - So Jeong Park
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Jin Young Lee
- Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Jeoung Hee Kim
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Seungjoo Lee
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Eunju Lee
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Il-Young Jang
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Hee-Won Jung
- Division of Geriatrics, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Jin Hoon Park
- Department of Neurological Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
| | - Beom-Jun Kim
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul,
Korea
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Peng DQ, Smith SB, Lee HG. Vitamin A regulates intramuscular adipose tissue and muscle development: promoting high-quality beef production. J Anim Sci Biotechnol 2021; 12:34. [PMID: 33663602 PMCID: PMC7934359 DOI: 10.1186/s40104-021-00558-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 01/18/2021] [Indexed: 01/07/2023] Open
Abstract
During growth in cattle, the development of intramuscular adipose tissue and muscle is dependent upon cell hyperplasia (increased number of adipocytes) and hypertrophy (increased size of adipocytes). Based on the results of previous studies, other adipose tissue depots (e.g., perirenal and subcutaneous) develop from the fetal stage primarily as brown adipose tissue. The hyperplastic stage of intramuscular adipose is considered to develop from late pregnancy, but there is no evidence indicating that intramuscular adipose tissue develops initially as brown adipose tissue. Hyperplastic growth of intramuscular adipose continues well into postweaning and is dependent on the timing of the transition to grain-based diets; thereafter, the late-stage development of intramuscular adipose tissue is dominated by hypertrophy. For muscle development, hyperplasia of myoblasts lasts from early (following development of somites in the embryo) to middle pregnancy, after which growth of muscle is the result of hypertrophy of myofibers. Vitamin A is a fat-soluble compound that is required for the normal immunologic function, vision, cellular proliferation, and differentiation. Here we review the roles of vitamin A in intramuscular adipose tissue and muscle development in cattle. Vitamin A regulates both hyperplasia and hypertrophy in in vitro experiments. Vitamin A supplementation at the early stage and restriction at fattening stage generate opposite effects in the beef cattle. Appropriate vitamin A supplementation and restriction strategy increase intramuscular adipose tissue development (i.e., marbling or intramuscular fat) in some in vivo trials. Besides, hyperplasia and hypertrophy of myoblasts/myotubes were affected by vitamin A treatment in in vitro trials. Additionally, some studies reported an interaction between the alcohol dehydrogenase-1C (ADH1C) genotype and vitamin A feed restriction for the development of marbling and/or intramuscular adipose tissue, which was dependent on the timing and level of vitamin A restriction. Therefore, the feed strategy of vitamin A has the visible impact on the marbling and muscle development in the cattle, which will be helpful to promote the quality of the beef.
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Affiliation(s)
- Dong Qiao Peng
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, South Korea
| | - Stephen B Smith
- Department of Animal Science, Texas A&M University, College Station, TX, 77843, USA
| | - Hong Gu Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul, 05029, South Korea.
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Wilde S, Feneck EM, Mohun TJ, Logan MPO. 4D formation of human embryonic forelimb musculature. Development 2021; 148:dev.194746. [PMID: 33234713 PMCID: PMC7904005 DOI: 10.1242/dev.194746] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Accepted: 11/09/2020] [Indexed: 12/16/2022]
Abstract
The size, shape and insertion sites of muscles enable them to carry out their precise functions in moving and supporting the skeleton. Although forelimb anatomy is well described, much less is known about the embryonic events that ensure individual muscles reach their mature form. A description of human forelimb muscle development is needed to understand the events that control normal muscle formation and to identify what events are disrupted in congenital abnormalities in which muscles fail to form normally. We provide a new, 4D anatomical characterisation of the developing human upper limb muscles between Carnegie stages 18 and 22 using optical projection tomography. We show that muscles develop in a progressive wave, from proximal to distal and from superficial to deep. We show that some muscle bundles undergo splitting events to form individual muscles, whereas others translocate to reach their correct position within the forelimb. Finally, we show that palmaris longus fails to form from early in development. Our study reveals the timings of, and suggests mechanisms for, crucial events that enable nascent muscle bundles to reach their mature form and position within the human forelimb. Summary: A detailed 4D anatomical description of the human upper limb musculature through embryonic development reveals important events that enable nascent muscle bundles to form correctly.
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Affiliation(s)
- Susan Wilde
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London SE1 1UL, UK
| | - Eleanor M Feneck
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London SE1 1UL, UK
| | | | - Malcolm P O Logan
- Randall Centre for Cell and Molecular Biophysics, King's College London, Guy's Campus, London SE1 1UL, UK
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Lamarche É, AlSudais H, Rajgara R, Fu D, Omaiche S, Wiper-Bergeron N. SMAD2 promotes myogenin expression and terminal myogenic differentiation. Development 2021; 148:dev.195495. [PMID: 33462116 DOI: 10.1242/dev.195495] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 12/24/2020] [Indexed: 11/20/2022]
Abstract
SMAD2 is a transcription factor, the activity of which is regulated by members of the transforming growth factor β (TGFβ) superfamily. Although activation of SMAD2 and SMAD3 downstream of TGFβ or myostatin signaling is known to inhibit myogenesis, we found that SMAD2 in the absence of TGFβ signaling promotes terminal myogenic differentiation. We found that, during myogenic differentiation, SMAD2 expression is induced. Knockout of SMAD2 expression in primary myoblasts did not affect the efficiency of myogenic differentiation but produced smaller myotubes with reduced expression of the terminal differentiation marker myogenin. Conversely, overexpression of SMAD2 stimulated myogenin expression, and enhanced both differentiation and fusion, and these effects were independent of classical activation by the TGFβ receptor complex. Loss of Smad2 in muscle satellite cells in vivo resulted in decreased muscle fiber caliber and impaired regeneration after acute injury. Taken together, we demonstrate that SMAD2 is an important positive regulator of myogenic differentiation, in part through the regulation of Myog.
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Affiliation(s)
- Émilie Lamarche
- Graduate Program in Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
| | - Hamood AlSudais
- Graduate Program in Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
| | - Rashida Rajgara
- Graduate Program in Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
| | - Dechen Fu
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
| | - Saadeddine Omaiche
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
| | - Nadine Wiper-Bergeron
- Department of Cellular and Molecular Medicine, Faculty of Medicine, University of Ottawa, 451 Smyth Road, Rm 3106Q, Ottawa, Ontario K1H 8M5, Canada
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Liu J, Li F, Hu X, Cao D, Liu W, Han H, Zhou Y, Lei Q. Deciphering the miRNA transcriptome of breast muscle from the embryonic to post-hatching periods in chickens. BMC Genomics 2021; 22:64. [PMID: 33468053 DOI: 10.1186/s12864-021-07374-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 01/07/2021] [Indexed: 12/02/2022] Open
Abstract
Background miRNAs play critical roles in growth and development. Various studies of chicken muscle development have focused on identifying miRNAs that are important for embryo or adult muscle development. However, little is known about the role of miRNAs in the whole muscle development process from embryonic to post-hatching periods. Here, we present a comprehensive investigation of miRNA transcriptomes at 12-day embryo (E12), E17, and day 1 (D1), D14, D56 and D98 post-hatching stages. Results We identified 337 differentially expressed miRNAs (DE-miRNAs) during muscle development. A Short Time-Series Expression Miner analysis identified two significantly different expression profiles. Profile 4 with downregulated pattern contained 106 DE-miRNAs, while profile 21 with upregulated pattern contained 44 DE-miRNAs. The DE-miRNAs with the upregulated pattern mainly played regulatory roles in cellular turnover, such as pyrimidine metabolism, DNA replication, and cell cycle, whereas DE-miRNAs with the downregulated pattern directly or indirectly contributed to protein turnover metabolism such as glycolysis/gluconeogenesis, pyruvate metabolism and biosynthesis of amino acids. Conclusions The main functional miRNAs during chicken muscle development differ between embryonic and post-hatching stages. miRNAs with an upregulated pattern were mainly involved in cellular turnover, while miRNAs with a downregulated pattern mainly played a regulatory role in protein turnover metabolism. These findings enrich information about the regulatory mechanisms involved in muscle development at the miRNA expression level, and provide several candidates for future studies concerning miRNA-target function in regulation of chicken muscle development. Supplementary Information The online version contains supplementary material available at 10.1186/s12864-021-07374-y.
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Zhu M, Wang M, Shao Y, Nan Y, Blair HT, Morris ST, Zhao Z, Zhang H. Characterization of muscle development and gene expression in early embryos of chicken, quail, and their hybrids. Gene 2020; 768:145319. [PMID: 33246031 DOI: 10.1016/j.gene.2020.145319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 11/09/2020] [Accepted: 11/14/2020] [Indexed: 11/26/2022]
Abstract
Myogenesis is a complex, regulated process that involves myoblast proliferation, migration, adhesion, and fusion into myotubes. To investigate early development of embryonic muscles and the expression of regulatory genes during myogenesis in chicken, quail and their hybrids, meat-breeding cocks and egg-breeding cocks were selected as male parents, quails were used as female parents. Their offspring were meat and egg hybrids via Artificial insemination. We measured expression of MUSTN1, IGF-1, and PDK4 using qRT-PCR. We examined muscle fiber diameter using scanning electron microscopy. The results showed that muscle development was two days slower in chicken, egg hybrid, and meat hybrid than in quail. Muscle fiber spacing was the largest in chicken, followed by meat hybrid, egg hybrid, and quail. A similar trend was obtained for muscle fiber diameter. Additionally, muscle fiber diameter increased with embryogenesis. The sarcomere was present on day 17 of incubation in quail, but not in the other species. MUSTN1 could up-regulated IGF-1 by activating PI3K/Akt. IGF-1 expression was consistent with myoblast proliferation and myotube fusion. PDK4 was expressed from E7 to E17. The first peak was reached on E10, egg hybrid and meat hybrid reached their peak at E15. PDK4 is involved in the early proliferation and differentiation of muscle, thereby affecting muscle growth and development. Our findings demonstrated that MUSTN1, IGF-1 and PDK4 genes are expressed to varying levels in breast muscle of chicken, quail, egg hybrid and meat hybrid during the embryonic period. Interestingly, with increasing embryonic age, muscle development was approximately 48 h faster in quail than in other species. We speculated that MUSTN1, IGF-1 and PDK4 genes may be the main candidate genes that cause differences in poultry muscle traits, but the molecular regulation mechanisms need to be further studied. Our findings shed some light on the avian embryo muscle formation and molecular breeding of poultry muscle traits, which provide theoretical basis for poultry breeding.
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Affiliation(s)
- Mengting Zhu
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Mingyuan Wang
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Yanyan Shao
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Ying Nan
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China
| | - Hugh T Blair
- Institute Veterinary, Animal & Biomedical Sciences, Massey University, Auckland, Palmerston North, New Zealand
| | - Stephen Todd Morris
- Institute Veterinary, Animal & Biomedical Sciences, Massey University, Auckland, Palmerston North, New Zealand
| | - Zongsheng Zhao
- College of Animal Science and Technology, Shihezi University, Shihezi, Xinjiang 832003, PR China.
| | - Hongmei Zhang
- First Affiliated Hospital, School of Medical College, Shihezi University, Shihezi, Xinjiang 832008, PR China.
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35
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Priatno W, Jo YH, Nejad JG, Lee JS, Moon JO, Lee HG. "Dietary supplementation of L-tryptophan" increases muscle development, adipose tissue catabolism and fatty acid transportation in the muscles of Hanwoo steers. J Anim Sci Technol 2020; 62:595-604. [PMID: 33089225 PMCID: PMC7553846 DOI: 10.5187/jast.2020.62.5.595] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/19/2020] [Accepted: 06/20/2020] [Indexed: 02/02/2023]
Abstract
This study investigated the effects of dietary rumen-protected L-tryptophan (TRP)
supplementation (43.4 mg of L-tryptophan kg−1 body weigt [BW])
for 65 days in Hanwoo steers on muscle development related to gene expressions
and adipose tissue catabolism and fatty acid transportation in
longissimus dorsi muscles. Eight Hanwoo steers (initial BW
= 424.6 kg [SD 42.3]; 477 days old [SD 4.8]) were randomly allocated to two
groups (n = 4) of control and treatment and were supplied with total mixed
ration (TMR). The treatment group was fed with 15 g of rumen-protected TRP (0.1%
of TMR as-fed basis equal to 43.4 mg of TRP kg−1 BW) once a
day at 0800 h as top-dressed to TMR. Blood samples were collected 3 times, at 0,
5, and 10 weeks of the experiment, for assessment of hematological and
biochemical parameters. For gene study, the longissimus dorsi
muscle samples (12 to 13 ribs, approximately 2 g) were collected from each
individual by biopsy at end of the study (10 weeks). Growth performance
parameters including final BW, average daily gain, and gain to feed ratio, were
not different (p > 0.05) between the two groups.
Hematological parameters including granulocyte, lymphocyte, monocyte, platelet,
red blood cell, hematocrit, and white blood cell showed no difference
(p > 0.05) between the two groups except for
hemoglobin (p = 0.025), which was higher in the treatment than
in the control group. Serum biochemical parameters including total protein,
albumin, globulin, blood urea nitrogen, creatinine phosphokinase, glucose,
nonesterified fatty acids, and triglyceride also showed no differences between
the two groups (p > 0.05). Gene expression related to
muscle development (Myogenic factor 6 [MYF6], myogenine
[MyoG]), adipose tissue catabolism (lipoprotein lipase
[LPL]), and fatty acid transformation indicator (fatty acid
binding protein 4 [FABP4]) were increased in the treatment
group compared to the control group (p < 0.05).
Collectively, supplementation of TRP (65 days in this study) promotes muscle
development and increases the ability of the animals to catabolize and transport
fat in muscles due to an increase in expressions of MYF6,
MyoG, FABP4, and LPL
gene.
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Affiliation(s)
- Wahyu Priatno
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea
| | - Yong-Ho Jo
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea.,Team of an Educational Program for Specialists in Global Animal Science, Brain Korea 21 Plus Project, Konkuk University, Seoul 05029, Korea
| | - Jalil Ghassemi Nejad
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea.,Team of an Educational Program for Specialists in Global Animal Science, Brain Korea 21 Plus Project, Konkuk University, Seoul 05029, Korea
| | - Jae-Sung Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea
| | - Jun-Ok Moon
- Institute of Biotechnology, CJ CheilJedang, Suwon 16471, Korea
| | - Hong-Gu Lee
- Department of Animal Science and Technology, Sanghuh College of Life Sciences, Konkuk University, Seoul 05029, Korea.,Team of an Educational Program for Specialists in Global Animal Science, Brain Korea 21 Plus Project, Konkuk University, Seoul 05029, Korea
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Helmbacher F, Stricker S. Tissue cross talks governing limb muscle development and regeneration. Semin Cell Dev Biol 2020; 104:14-30. [PMID: 32517852 DOI: 10.1016/j.semcdb.2020.05.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022]
Abstract
For decades, limb development has been a paradigm of three-dimensional patterning. Moreover, as the limb muscles and the other tissues of the limb's musculoskeletal system arise from distinct developmental sources, it has been a prime example of integrative morphogenesis and cross-tissue communication. As the limbs grow, all components of the musculoskeletal system (muscles, tendons, connective tissue, nerves) coordinate their growth and differentiation, ultimately giving rise to a functional unit capable of executing elaborate movement. While the molecular mechanisms governing global three-dimensional patterning and formation of the skeletal structures of the limbs has been a matter of intense research, patterning of the soft tissues is less understood. Here, we review the development of limb muscles with an emphasis on their interaction with other tissue types and the instructive roles these tissues play. Furthermore, we discuss the role of adult correlates of these embryonic accessory tissues in muscle regeneration.
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Affiliation(s)
| | - Sigmar Stricker
- Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195, Berlin, Germany.
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37
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Rooney HB, O'Driscoll K, Silacci P, Bee G, O'Doherty JV, Lawlor PG. Effect of dietary L-carnitine supplementation to sows during gestation and/or lactation on sow productivity, muscle maturation and lifetime growth in progeny from large litters. Br J Nutr 2020; 124:1-36. [PMID: 32127055 DOI: 10.1017/s0007114520000811] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Genetic selection for increased sow prolificacy has resulted in decreased mean piglet birth-weight. This study aimed to investigate the effect of L-carnitine (CAR) supplementation to sows during gestation and/or lactation on sow productivity, semitendinosus muscle (STM) maturity, and lifetime growth in progeny. Sixty-four sows were randomly assigned to one of four dietary treatments at breeding until weaning; CONTROL (0mg CAR/d), GEST (125mg CAR/d during gestation), LACT (250mg CAR/d during lactation), and BOTH (125mg CAR/d during gestation & 250mg CAR/d during lactation). The total number of piglets born per litter was greater for sows supplemented with CAR during gestation (17.3 v 15.8 ± 0.52; P<0.05). Piglet birth-weight (total and live) was unaffected by sow treatment (P>0.05). Total myofibre number (P=0.08) and the expression level of selected myosin heavy chain genes in the STM (P<0.05) was greater in piglets of sows supplemented with CAR during gestation. Pigs from sows supplemented with CAR during gestation had lighter carcasses at slaughter than pigs from non-supplemented sows during gestation (83.8 v 86.7 ± 0.86kg; P<0.05). In conclusion, CAR supplementation during gestation increased litter size at birth without compromising piglet birth-weight. Results also showed that the STM of piglets born to sows supplemented with CAR during gestation was more developed at birth. However, carcass weight at slaughter was reduced in progeny of sows supplemented with CAR during gestation. The CAR supplementation strategy applied during gestation in this study could be utilized by commercial pork producers to increase sow litter size and improve offspring muscle development.
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Affiliation(s)
- Hazel B Rooney
- Pig Development Department, Animal and Grassland Research and Innovation Centre, Teagasc, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, D04 W6F6, Ireland
| | - K O'Driscoll
- Pig Development Department, Animal and Grassland Research and Innovation Centre, Teagasc, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
| | - P Silacci
- Institute for Livestock Sciences, Agroscope, Tioleyre, 1725 Posieux, Switzerland
| | - G Bee
- Institute for Livestock Sciences, Agroscope, Tioleyre, 1725 Posieux, Switzerland
| | - J V O'Doherty
- School of Agriculture and Food Science, University College Dublin, Belfield, Dublin 4, D04 W6F6, Ireland
| | - P G Lawlor
- Pig Development Department, Animal and Grassland Research and Innovation Centre, Teagasc, Moorepark, Fermoy, Co. Cork, P61 C996, Ireland
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Robertson CE, McClelland GB. Developmental delay in shivering limits thermogenic capacity in juvenile high-altitude deer mice ( Peromyscus maniculatus). ACTA ACUST UNITED AC 2019; 222:jeb.210963. [PMID: 31562187 DOI: 10.1242/jeb.210963] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Accepted: 09/24/2019] [Indexed: 01/09/2023]
Abstract
Many endotherms native to cold and hypoxic high-altitude (HA) environments have evolved a highly vascularized and aerobic skeletal muscle. This specialized muscle phenotype contributes via shivering to an enhanced capacity for aerobic thermogenesis (cold-induced V̇ O2,max). However, it is unclear how selection at HA for shivering thermogenesis acts early in the development of small altricial mammals, which are born with immature skeletal muscles and without the capacity for homeothermic endothermy. We have previously shown that postnatal maturation of brown adipose tissue and non-shivering thermogenesis is delayed in HA native deer mouse pups (Peromyscus maniculatus). To assess whether HA adaptation has also altered the developmental program of skeletal muscle and shivering thermogenesis, we used laboratory-reared descendants of deer mice native to low altitude (LA, 430 m a.s.l.) and HA (4350 m a.s.l.) and a LA congeneric outgroup (P. leucopus). We found that LA juveniles were able to shiver robustly at 2 weeks after birth. However, HA juveniles were unlikely able to shiver at this point, resulting in a 30% lower capacity for thermoregulation compared with lowlanders. It was only at 27 days after birth that HA juveniles had established the aerobic muscle phenotype characteristic of HA adults and a superior cold-induced V̇ O2,max compared with LA mice of the same age. The capacity for shivering may be delayed in HA mice to allow energy to be allocated to other important processes such as growth.
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Affiliation(s)
- Cayleih E Robertson
- Department of Biology, McMaster University, 1280 Main St West, Hamilton, ON Canada L8S 4K1
| | - Grant B McClelland
- Department of Biology, McMaster University, 1280 Main St West, Hamilton, ON Canada L8S 4K1
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Mandigo TR, Turcich BD, Anderson AJ, Hussey MR, Folker ES. Drosophila emerins control LINC complex localization and transcription to regulate myonuclear position. J Cell Sci 2019; 132:jcs.235580. [PMID: 31548202 DOI: 10.1242/jcs.235580] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/16/2019] [Indexed: 01/06/2023] Open
Abstract
Mispositioned nuclei are a hallmark of skeletal muscle disease. Many of the genes that are linked to Emery-Dreifuss muscular dystrophy (EDMD) encode proteins that are critical for nuclear movement in various cells, suggesting that disruptions in nuclear movement and position may contribute to disease progression. However, how these genes are coordinated to move nuclei is not known. Here, we focussed on two different emerin proteins in Drosophila, Bocksbeutel and Otefin, and their effects on nuclear movement. Although nuclear position was dependent on both, elimination of either Bocksbeutel or Otefin produced distinct phenotypes that were based in differential effects on the KASH-domain protein Klarsicht. Specifically, loss of Bocksbeutel reduced Klarsicht localization to the nucleus and resulted in a disruption in nuclear separation. Loss of Otefin increased the transcription of Klarsicht and led to premature separation of nuclei and their positioning closer to the edge of the muscle. Consistent with opposing functions, nuclear position is normal in otefin; bocksbeutel double mutants. These data indicate emerin-dependent regulation of Klarsicht levels in the nuclear envelope is a critical determinant of nuclear position.
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Affiliation(s)
- Torrey R Mandigo
- Department of Biology, Boston College, Chestnut Hill, MA 02467, USA
| | - Blake D Turcich
- Department of Biology, Boston College, Chestnut Hill, MA 02467, USA
| | | | - Michael R Hussey
- Department of Biology, Boston College, Chestnut Hill, MA 02467, USA
| | - Eric S Folker
- Department of Biology, Boston College, Chestnut Hill, MA 02467, USA
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40
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Chagovetz AA, Klatt Shaw D, Ritchie E, Hoshijima K, Grunwald DJ. Interactions among ryanodine receptor isotypes contribute to muscle fiber type development and function. Dis Model Mech 2019; 13:dmm.038844. [PMID: 31383689 PMCID: PMC6906632 DOI: 10.1242/dmm.038844] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Accepted: 07/17/2019] [Indexed: 12/14/2022] Open
Abstract
Mutations affecting ryanodine receptor (RyR) calcium release channels commonly underlie congenital myopathies. Although these channels are known principally for their essential roles in muscle contractility, mutations in the human RYR1 gene result in a broad spectrum of phenotypes, including muscle weakness, altered proportions of fiber types, anomalous muscle fibers with cores or centrally placed nuclei, and dysmorphic craniofacial features. Currently, it is unknown which phenotypes directly reflect requirements for RyRs and which result secondarily to aberrant muscle function. To identify biological processes requiring RyR function, skeletal muscle development was analyzed in zebrafish embryos harboring protein-null mutations. RyR channels contribute to both muscle fiber development and function. Loss of some RyRs had modest effects, altering muscle fiber-type specification in the embryo without compromising viability. In addition, each RyR-encoding gene contributed to normal swimming behavior and muscle function. The RyR channels do not function in a simple additive manner. For example, although isoform RyR1a is sufficient for muscle contraction in the absence of RyR1b, RyR1a normally attenuates the activity of the co-expressed RyR1b channel in slow muscle. RyR3 also acts to modify the functions of other RyR channels. Furthermore, diminished RyR-dependent contractility affects both muscle fiber maturation and craniofacial development. These findings help to explain some of the heterogeneity of phenotypes that accompany RyR1 mutations in humans.
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Affiliation(s)
- Alexis A Chagovetz
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Dana Klatt Shaw
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Erin Ritchie
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - Kazuyuki Hoshijima
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
| | - David J Grunwald
- Department of Human Genetics, University of Utah, Salt Lake City, UT 84112, USA
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Thakur SS, James JL, Cranna NJ, Chhen VL, Swiderski K, Ryall JG, Lynch GS. Expression and localization of heat-shock proteins during skeletal muscle cell proliferation and differentiation and the impact of heat stress. Cell Stress Chaperones 2019; 24:749-761. [PMID: 31098840 PMCID: PMC6657410 DOI: 10.1007/s12192-019-01001-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 04/18/2019] [Accepted: 04/25/2019] [Indexed: 01/18/2023] Open
Abstract
Skeletal myogenesis is a coordinated sequence of events associated with dramatic changes in cell morphology, motility, and metabolism, which causes cellular stress and alters proteostasis. Chaperones, such as heat-shock proteins (HSPs), play important roles in limiting cellular stresses and maintaining proteostasis, but whether HSPs are specifically involved in myogenesis is not well understood. Here, we characterized gene and protein expression and subcellular localization of various HSPs in proliferating C2C12 myoblasts and differentiating myotubes under control conditions and in response to heat stress. Hsp25, Hsp40, and Hsp60 protein expression declined by 48, 35, and 83%, respectively, during differentiation. In contrast, Hsp70 protein levels doubled during early differentiation. Hsp25 was predominantly localized to the cytoplasm of myoblasts and myotubes but formed distinct aggregates in perinuclear spaces of myoblasts after heat-shock. Hsp40 was distributed diffusely throughout the cytoplasm and nucleus and, after heat-shock, translocated to the nucleus of myoblasts but formed aggregates in myotubes. Hsp60 localized to the perinuclear space in myoblasts but was distributed more diffusely across the cytoplasm in myotubes. Hsp70 was expressed diffusely throughout the cytoplasm and nucleus and translocated to the nucleus after heat-shock in myoblasts, but not in myotubes. Hsp90 was expressed diffusely across the cytoplasm in both myoblasts and myotubes under control conditions and did not change in response to heat-shock. These findings reveal distinct and different roles for HSPs in the regulation of myogenic cell proliferation and differentiation.
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Affiliation(s)
- Savant S Thakur
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Janine L James
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Nicola J Cranna
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Victoria L Chhen
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Kristy Swiderski
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - James G Ryall
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia
| | - Gordon S Lynch
- Centre for Muscle Research, Department of Physiology, The University of Melbourne, Melbourne, Victoria, 3010, Australia.
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Laddada L, Jagla K, Soler C. Odd-skipped and Stripe act downstream of Notch to promote the morphogenesis of long appendicular tendons in Drosophila. Biol Open 2019; 8:bio.038760. [PMID: 30796048 PMCID: PMC6451353 DOI: 10.1242/bio.038760] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Multiple tissue interactions take place during the development of the limb musculoskeletal system. While appendicular myogenesis has been extensively studied, development of connective tissue associated with muscles has received less attention. In the developing Drosophila leg, tendon-like connective tissue arises from clusters of epithelial cells that invaginate into the leg cavity and then elongate to form internal tube-shape structures along which muscle precursors are distributed. Here we show that stripe-positive appendicular precursors of tendon-like connective tissue are set up among intersegmental leg joint cells expressing odd-skipped genes, and that Notch signaling is necessary and locally sufficient to trigger stripe expression. This study also finds that odd-skipped genes and stripe are both required downstream of Notch to promote morphogenesis of tube-shaped internal tendons of the leg. Summary: In this paper, we show that Notch promotes the tendon development by inducing Stripe expression in leg discs and that both Stripe and Odd-skipped are required to form tube-like tendons.
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Affiliation(s)
- Lilia Laddada
- GReD Laboratory, Clermont-Auvergne University, INSERM U1103, CNRS UMR6293, 63000 Clermont-Ferrand, France
| | - Krzysztof Jagla
- GReD Laboratory, Clermont-Auvergne University, INSERM U1103, CNRS UMR6293, 63000 Clermont-Ferrand, France
| | - Cédric Soler
- GReD Laboratory, Clermont-Auvergne University, INSERM U1103, CNRS UMR6293, 63000 Clermont-Ferrand, France
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43
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Carroll MA, Lebron EM, Jensen TE, Cooperman TJ. Chondroepitrochlearis and a supernumerary head of the biceps brachii. Anat Sci Int 2019; 94:330-4. [PMID: 30863930 DOI: 10.1007/s12565-019-00483-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Accepted: 02/25/2019] [Indexed: 12/19/2022]
Abstract
Unique variants of the pectoralis major and biceps brachii were found during a routine student dissection of a 96-year-old Caucasian female's axilla and brachium. The donor cadaver had bilateral presentation of a muscle originating from the pectoralis major, near the lateral lip of the intertubercular groove, extending obliquely to insert on the medial intermuscular septum and medial epicondyle of the humerus. This muscle variant is currently described as a rare presentation of the chondroepitrochlearis, potentially a remnant of the panniculus carnosus in man. Often considered to be a thin, slender muscle taking origin from the true ribs, the right-side chondroepitrochlearis described in this report was notably larger-to the authors' knowledge-than all other published cases, measuring 38.1 mm at the widest point. Meanwhile, another small muscle originating on the posterior surface of the pectoralis major tendon was present. Due to its insertion, the muscle was identified as a supernumerary portion, or a third head, of the biceps brachii. The proximal attachment of both the chondroepitrochlearis and the third head of the biceps brachii could impose functional limitations on the pectoralis major.
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Liu X, Liu H, Wang M, Li R, Zeng J, Mo D, Cong P, Liu X, Chen Y, He Z. Disruption of the ZBED6 binding site in intron 3 of IGF2 by CRISPR/Cas9 leads to enhanced muscle development in Liang Guang Small Spotted pigs. Transgenic Res 2018; 28:141-150. [PMID: 30488155 DOI: 10.1007/s11248-018-0107-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 11/23/2018] [Indexed: 01/14/2023]
Abstract
Insulin-like growth factor 2 (IGF2) plays an important role in the development of the foetus and in post-natal growth and development. A SNP within intron 3 of porcine IGF2 disrupts a binding site for the repressor, zinc finger BED-type containing 6 (ZBED6), leading to up-regulation of IGF2 in skeletal muscle and major effects on muscle growth, heart size, and fat deposition. This favourable mutation is common in Western commercial pig populations, but is not present in most indigenous Chinese pig breeds. Here, we described the efficient disruption of the ZBED6 binding site motif in intron 3 of IGF2 by CRISPR/Cas9 in porcine embryonic fibroblasts (PEFs) from the indigenous Chinese pig breed, Liang Guang Small Spotted pig. Disruption of the binding motif led to a drastic up-regulation of IGF2 expression in PEFs and enhanced myogenic potential and cell proliferation of PEFs. IGF2-edited pigs were then generated using somatic cell nuclear transfer. Enhanced muscle development was evident in one pig with biallelic deletion of the ZBED6 binding site motif, implying that the release of ZBED6 repression has a major effect on porcine muscle development. Our study confirmed the important effect of a mutation in the ZBED6 binding site motif on IGF2 expression and myogenesis, thus providing the basis for breeding a new line of Liang Guang Small Spotted pigs with improved lean meat percentage, a trait of great commercial value to pig producers.
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Affiliation(s)
- Xiaofeng Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Hongbo Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Min Wang
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Ruiqiang Li
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Jianhua Zeng
- Guangdong YIHAO Food Co., Ltd, Guangzhou, 510620, People's Republic of China
| | - Delin Mo
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Peiqing Cong
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Xiaohong Liu
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Yaosheng Chen
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China
| | - Zuyong He
- State Key Laboratory of Biocontrol, School of Life Sciences, Sun Yat-sen University, No. 3 Road of Higher Education Mega Centre North, Guangzhou, 510006, People's Republic of China.
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Suzuki A, Minamide R, Iwata J. WNT/β-catenin signaling plays a crucial role in myoblast fusion through regulation of nephrin expression during development. Development 2018; 145:dev.168351. [PMID: 30389854 DOI: 10.1242/dev.168351] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Accepted: 10/24/2018] [Indexed: 01/06/2023]
Abstract
Skeletal muscle development is controlled by a series of multiple orchestrated regulatory pathways. WNT/β-catenin is one of the most important pathways for myogenesis; however, it remains unclear how this signaling pathway regulates myogenesis in a temporal- and spatial-specific manner. Here, we show that WNT/β-catenin signaling is crucial for myoblast fusion through regulation of the nephrin (Nphs1) gene in the Myog-Cre-expressing myoblast population. Mice deficient for the β-catenin gene in Myog-Cre-expressing myoblasts (Ctnnb1F/F;Myog-Cre mice) displayed myoblast fusion defects, but not migration or cell proliferation defects. The promoter region of Nphs1 contains the conserved β-catenin-binding element, and Nphs1 expression was induced by the activation of WNT/β-catenin signaling. The induction of Nphs1 in cultured myoblasts from Ctnnb1F/F;Myog-Cre mice restored the myoblast fusion defect, indicating that nephrin is functionally relevant in WNT/β-catenin-dependent myoblast fusion. Taken together, our results indicate that WNT/β-catenin signaling is crucial for myoblast fusion through the regulation of the Nphs1 gene.
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Affiliation(s)
- Akiko Suzuki
- Department of Diagnostic and Biomedical Sciences, The University of Texas Health Science Center at Houston (UT Health) School of Dentistry, Houston, TX 77054, USA.,Center for Craniofacial Research, UT Health School of Dentistry, Houston, TX 77054, USA
| | - Ryohei Minamide
- Department of Diagnostic and Biomedical Sciences, The University of Texas Health Science Center at Houston (UT Health) School of Dentistry, Houston, TX 77054, USA.,Center for Craniofacial Research, UT Health School of Dentistry, Houston, TX 77054, USA
| | - Junichi Iwata
- Department of Diagnostic and Biomedical Sciences, The University of Texas Health Science Center at Houston (UT Health) School of Dentistry, Houston, TX 77054, USA .,Center for Craniofacial Research, UT Health School of Dentistry, Houston, TX 77054, USA.,MD Anderson Cancer Center, UT Health Graduate School of Biomedical Sciences, Houston, TX 77054, USA
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Tichy ED, Sidibe DK, Greer CD, Oyster NM, Rompolas P, Rosenthal NA, Blau HM, Mourkioti F. A robust Pax7EGFP mouse that enables the visualization of dynamic behaviors of muscle stem cells. Skelet Muscle 2018; 8:27. [PMID: 30139374 PMCID: PMC6107960 DOI: 10.1186/s13395-018-0169-7] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 07/04/2018] [Indexed: 01/10/2023] Open
Abstract
Background Pax7 is a transcription factor involved in the specification and maintenance of muscle stem cells (MuSCs). Upon injury, MuSCs leave their quiescent state, downregulate Pax7 and differentiate, contributing to skeletal muscle regeneration. In the majority of regeneration studies, MuSCs are isolated by fluorescence-activated sorting (FACS), based on cell surface markers. It is known that MuSCs are a heterogeneous population and only a small percentage of isolated cells are true stem cells that are able to self-renew. A strong Pax7 reporter line would be valuable to study the in vivo behavior of Pax7-expressing stem cells. Methods We generated and characterized the muscle properties of a new transgenic Pax7EGFP mouse. Utilizing traditional immunofluorescence assays, we analyzed whole embryos and muscle sections by fluorescence microscopy, in addition to whole skeletal muscles by 2-photon microscopy, to detect the specificity of EGFP expression. Skeletal muscles from Pax7EGFP mice were also evaluated in steady state and under injury conditions. Finally, MuSCs-derived from Pax7EGFP and control mice were sorted and analyzed by FACS and their myogenic activity was comparatively examined. Results Our studies provide a new Pax7 reporter line with robust EGFP expression, detectable by both flow cytometry and fluorescence microscopy. Pax7EGFP-derived MuSCs have identical properties to that of wild-type MuSCs, both in vitro and in vivo, excluding any positional effect due to the transgene insertion. Furthermore, we demonstrated high specificity of EGFP to label MuSCs in a temporal manner that recapitulates the reported Pax7 expression pattern. Interestingly, immunofluorescence analysis showed that the robust expression of EGFP marks cells in the satellite cell position of adult muscles in fixed and live tissues. Conclusions This mouse could be an invaluable tool for the study of a variety of questions related to MuSC biology, including but not limited to population heterogeneity, polarity, aging, regeneration, and motility, either by itself or in combination with mice harboring additional genetic alterations. Electronic supplementary material The online version of this article (10.1186/s13395-018-0169-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Elisia D Tichy
- Department of Orthopaedic Surgery, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA
| | - David K Sidibe
- Department of Orthopaedic Surgery, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA
| | - Christopher D Greer
- Department of Orthopaedic Surgery, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA.,Cell and Molecular Biology Graduate Program, The University of Pennsylvania, Philadelphia, PA, USA
| | - Nicholas M Oyster
- Department of Orthopaedic Surgery, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA
| | - Panteleimon Rompolas
- Cell and Molecular Biology Graduate Program, The University of Pennsylvania, Philadelphia, PA, USA.,Department of Dermatology, Institute for Regenerative Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nadia A Rosenthal
- The Jackson Laboratory, Bar Harbor, ME, USA.,Sackler School of Graduate Biomedical Sciences, Tufts University, Boston, MA, USA.,The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA.,Australian Regenerative Medicine Institute, Monash University, Melbourne, VIC, Australia.,National Heart and Lung Institute, Imperial College London, London, UK
| | - Helen M Blau
- Baxter Laboratory for Stem Cell Biology, Department of Microbiology and Immunology, Institute for Stem Cell Biology and Regenerative Medicine, Stanford School of Medicine, Stanford, CA, USA
| | - Foteini Mourkioti
- Department of Orthopaedic Surgery, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA. .,Cell and Molecular Biology Graduate Program, The University of Pennsylvania, Philadelphia, PA, USA. .,Department of Cell and Developmental Biology, Penn Institute of Regenerative Medicine, Musculoskeletal Regeneration Program, Perelman School of Medicine, The University of Pennsylvania, Philadelphia, PA, USA. .,Musculoskeletal Regeneration Program, Department of Orthopaedic Surgery and Cell and Developmental Biology, Penn Institute of Regenerative Medicine, The University of Pennsylvania, 3450 Hamilton Walk, 112A Stemmler Hall, Philadelphia, PA, 19104-6081, USA.
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47
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Magli A, Perlingeiro RRC. Myogenic progenitor specification from pluripotent stem cells. Semin Cell Dev Biol 2018; 72:87-98. [PMID: 29107681 DOI: 10.1016/j.semcdb.2017.10.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 10/25/2017] [Accepted: 10/27/2017] [Indexed: 12/21/2022]
Abstract
Pluripotent stem cells represent important tools for both basic and translational science as they enable to study mechanisms of development, model diseases in vitro and provide a potential source of tissue-specific progenitors for cell therapy. Concomitantly with the increasing knowledge of the molecular mechanisms behind activation of the skeletal myogenic program during embryonic development, novel findings in the stem cell field provided the opportunity to begin recapitulating in vitro the events occurring during specification of the myogenic lineage. In this review, we will provide a perspective of the molecular mechanisms responsible for skeletal myogenic commitment in the embryo and how this knowledge was instrumental for specifying this lineage from pluripotent stem cells. In addition, we will discuss the current limitations for properly recapitulating skeletal myogenesis in the petri dish, and we will provide insights about future applications of pluripotent stem cell-derived myogenic cells.
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Affiliation(s)
- Alessandro Magli
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN, USA
| | - Rita R C Perlingeiro
- Lillehei Heart Institute, Department of Medicine, University of Minnesota, Minneapolis, MN, USA.
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Abstract
The fusion of muscle precursor cells is a required event for proper skeletal muscle development and regeneration. Numerous proteins have been implicated to function in myoblast fusion; however, the majority are expressed in diverse tissues and regulate numerous cellular processes. How myoblast fusion is triggered and coordinated in a muscle-specific manner has remained a mystery for decades. Through the discovery of two muscle-specific fusion proteins, Myomaker and Myomerger–Minion, we are now primed to make significant advances in our knowledge of myoblast fusion. This article reviews the latest findings regarding the biology of Myomaker and Minion–Myomerger, places these findings in the context of known pathways in mammalian myoblast fusion, and highlights areas that require further investigation. As our understanding of myoblast fusion matures so does our potential ability to manipulate cell fusion for therapeutic purposes.
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Affiliation(s)
- Srihari C Sampath
- Genomics Institute of the Novartis Research Foundation, 10675 John Jay Hopkins Drive, San Diego, CA, 92121, USA. .,Division of Musculoskeletal Imaging, Department of Radiology, University of California San Diego School of Medicine, 200 West Arbor Drive, San Diego, CA, 92103, USA.
| | - Srinath C Sampath
- Genomics Institute of the Novartis Research Foundation, 10675 John Jay Hopkins Drive, San Diego, CA, 92121, USA. .,Division of Musculoskeletal Imaging, Department of Radiology, University of California San Diego School of Medicine, 200 West Arbor Drive, San Diego, CA, 92103, USA.
| | - Douglas P Millay
- Department of Molecular Cardiovascular Biology, Cincinnati Children's Hospital Medical Center, 240 Albert Sabin Way, Cincinnati, OH, 45229, USA. .,Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH, 45229, USA.
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Auld AL, Collins MA, Mandigo TR, Folker ES. High-Resolution Imaging Methods to Analyze LINC Complex Function During Drosophila Muscle Development. Methods Mol Biol 2018; 1840:181-203. [PMID: 30141046 DOI: 10.1007/978-1-4939-8691-0_14] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Using Drosophila muscle development as a model system makes possible the identification of genetic pathways, temporal regulation of development, mechanisms of cellular development, and physiological impacts in a single system. Here we describe the basic techniques for the evaluation of the cellular development of muscle in Drosophila in both embryos and in larvae. These techniques are discussed within the context of how the LINC complex contributes to muscle development.
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50
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Abstract
The demonstration that TRα1 mRNA encodes a nuclear thyroid hormone receptor and two proteins imported into mitochondria with molecular masses of 43 and 28 kDa has brought new clues to better understand the pleiotropic influence of iodinated hormones. If p28 activity remains unknown, p43 binds to T3 responsive elements occurring in the organelle genome, and, in the T3 presence, stimulates mitochondrial transcription and the subsequent synthesis of mitochondrial encoded proteins. This influence increases mitochondrial activity and through changes in the mitochondrial/nuclear cross talk affects important nuclear target genes regulating cell proliferation and differentiation, oncogenesis, or apoptosis. In addition, this pathway influences muscle metabolic and contractile phenotype, as well as glycaemia regulation. Interestingly, according to the process considered, p43 exerts opposite or cooperative effects with the well-known T3 pathway, thus allowing a fine tuning of the physiological influence of this hormone.
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Affiliation(s)
- Chantal Wrutniak-Cabello
- INRA, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France; Université de Montpellier, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France.
| | - François Casas
- INRA, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France; Université de Montpellier, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France
| | - Gérard Cabello
- INRA, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France; Université de Montpellier, UMR 866 Dynamique Musculaire et Métabolisme, 34060 Montpellier, France
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