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Li C, Zhang Z, Wei Y, Qi K, Dou Y, Song C, Liu Y, Li X, Li X, Wang K, Qiao R, Yang F, Han X. Genome-Wide Analysis of MAMSTR Transcription Factor-Binding Sites via ChIP-Seq in Porcine Skeletal Muscle Fibroblasts. Animals (Basel) 2023; 13:1731. [PMID: 37889674 PMCID: PMC10252000 DOI: 10.3390/ani13111731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/12/2023] [Accepted: 05/17/2023] [Indexed: 10/29/2023] Open
Abstract
Myocyte enhancer factor-2-activating motif and SAP domain-containing transcriptional regulator (MAMSTR) regulates its downstream through binding in its promoter regions. However, its molecular mechanism, particularly the DNA-binding sites, and coregulatory genes are quite unexplored. Therefore, to identify the genome-wide binding sites of the MAMSTR transcription factors and their coregulatory genes, chromatin immunoprecipitation sequencing was carried out. The results showed that MAMSTR was associated with 1506 peaks, which were annotated as 962 different genes. Most of these genes were involved in transcriptional regulation, metabolic pathways, and cell development and differentiation, such as AMPK signaling pathway, TGF-beta signaling pathway, transcription coactivator activity, transcription coactivator binding, adipocytokine signaling pathway, fat digestion and absorption, skeletal muscle fiber development, and skeletal muscle cell differentiation. Lastly, the expression levels and transcriptional activities of PID1, VTI1B, PRKAG1, ACSS2, and SLC28A3 were screened and verified via functional markers and analysis. Overall, this study has increased our understanding of the regulatory mechanism of MAMSTR during skeletal muscle fibroblast development and provided a reference for analyzing muscle development mechanisms.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | - Xuelei Han
- College of Animal Science and Technology, Henan Agricultural University, Zhengzhou 450002, China
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Zumbaugh MD, Johnson SE, Shi TH, Gerrard DE. Molecular and biochemical regulation of skeletal muscle metabolism. J Anim Sci 2022; 100:6652332. [PMID: 35908794 PMCID: PMC9339271 DOI: 10.1093/jas/skac035] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 02/02/2022] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle hypertrophy is a culmination of catabolic and anabolic processes that are interwoven into major metabolic pathways, and as such modulation of skeletal muscle metabolism may have implications on animal growth efficiency. Muscle is composed of a heterogeneous population of muscle fibers that can be classified by metabolism (oxidative or glycolytic) and contractile speed (slow or fast). Although slow fibers (type I) rely heavily on oxidative metabolism, presumably to fuel long or continuous bouts of work, fast fibers (type IIa, IIx, and IIb) vary in their metabolic capability and can range from having a high oxidative capacity to a high glycolytic capacity. The plasticity of muscle permits continuous adaptations to changing intrinsic and extrinsic stimuli that can shift the classification of muscle fibers, which has implications on fiber size, nutrient utilization, and protein turnover rate. The purpose of this paper is to summarize the major metabolic pathways in skeletal muscle and the associated regulatory pathways.
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Affiliation(s)
- Morgan D Zumbaugh
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Sally E Johnson
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Tim H Shi
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - David E Gerrard
- Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
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Rodriguez VR, Maffioly JI, Zdanovicz LA, Fabre RM, Barrandeguy ME, García MV, Lagadari M. Genetic diversity of meat quality related genes in Argentinean pigs. Vet Anim Sci 2022; 15:100237. [PMID: 35169654 PMCID: PMC8829130 DOI: 10.1016/j.vas.2022.100237] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Lu H, Yan H, Ward MG, Stewart T, Adeola O, Ajuwon KM. Effect on Rendement Napole genotype on metabolic markers in Ossabaw pigs fed different levels of fat. J Anim Physiol Anim Nutr (Berl) 2017; 102:e132-e138. [PMID: 28455882 DOI: 10.1111/jpn.12720] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2016] [Accepted: 02/19/2017] [Indexed: 12/15/2022]
Abstract
We investigated effects of Rendement Napole (RN) genotype on metabolic markers in Ossabaw pigs fed diets with different levels of dietary fat. Thirty-two pigs, belonging to either the wild-type (WT, rn+ /rn+ ) or carrier (CAR, RN- /rn+ ) genotypes (n = 16/genotype), were divided into two dietary groups, (high fat [HF] or low fat [LF]) diets, for 12 weeks (n = 8 pigs/genotype/diet) after which pigs were killed for gene expression analysis by RT-PCR. Feeding HF diet caused increased daily gain (ADG, p < .05) and final body weight (BW) (p < .05) in comparison with the LF diet (p < .05). Feed efficiency (gain:feed) was higher (p < .05) in pigs on the HF and was higher (p < .05) in CAR pigs compared to WT. There was genotype × diet interaction (p = .05) on final BW such that CAR animals on LF diet had the same final BW as animals of both genotypes on HF diet. Carrier pigs on LF diet had higher (p < .05) average daily gain and gain:feed than WT pigs. There was a trend (p < .08) for a higher feed consumption in pigs on the LF diet. Backfat thickness was higher (p < .01) in pigs on the HF diet. Serum triglyceride was higher (0.62 vs. 0.33 mg/dl, p < .01) in pigs on HF diet. Serum insulin was higher (p < .05) in CAR versus WT pigs (0.40 vs. 0.015 μg/ml). Pigs on the HF diet had a higher (p < .05) serum insulin compared to those on the LF diet (0.032 vs. 0.023 μg/ml). Carnitine palmitoyl transferase 1-alpha was higher (p < .05) in the longissimus dorsi and semitendinosus muscles of pigs on HF diet. Acyl-CoA oxidase I was elevated (p < .05) in the liver of pigs on HF diet. Fatty acid synthase was lower in the longissimus dorsi muscle, liver and mesenteric fat (p < .05) of carrier pigs. The RN gene regulates specific metabolic markers in the Ossabaw pigs.
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Affiliation(s)
- H Lu
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - H Yan
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - M G Ward
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - T Stewart
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - O Adeola
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
| | - K M Ajuwon
- Department of Animal Sciences, Purdue University, West Lafayette, IN, USA
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Scheffler TL, Gerrard DE. GROWTH AND DEVELOPMENT SYMPOSIUM: Adenosine monophosphate-activated protein kinase and mitochondria in Rendement Napole pig growth. J Anim Sci 2017; 94:3601-3612. [PMID: 27898923 DOI: 10.2527/jas.2015-0055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The Rendement Napole mutation (RN-), which is well known to influence pork quality, also has a profound impact on metabolic characteristics of muscle. Pigs with RN- possess a SNP in the γ3 subunit of adenosine monophosphate (AMP)-activated protein kinase (AMPK); AMPK, a key energy sensor in skeletal muscle, modulates energy producing and energy consuming pathways to maintain cellular homeostasis. Importantly, AMPK regulates not only acute response to energy stress but also facilitates long-term adaptation via changes in gene and protein expression. The RN- allele increases AMPK activity, which alters the metabolic phenotype of skeletal muscle by increasing mitochondrial content and oxidative capacity. Fibers with greater oxidative capacity typically exhibit increased protein turnover and smaller fiber size, which indicates that RN- pigs may exhibit decreased efficiency and growth potential. However, whole body and muscle growth of RN- pigs appear similar to that of wild-type pigs and despite increased oxidative capacity, fibers maintain the capacity for hypertrophic growth. This indicates that compensatory mechanisms may allow RN- pigs to achieve rates of muscle growth similar to those of wild-type pigs. Intriguingly, lipid oxidation and mitochondria function are enhanced in RN- pig muscle. Thus far, characteristics of RN- muscle are largely based on animals near market weight. To better understand interaction between energy signaling and protein accretion in muscle, further work is needed to define age-dependent relationships between AMPK signaling, metabolism, and muscle growth.
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Salas RCD, Mingala CN. Genetic Factors Affecting Pork Quality: Halothane and Rendement Napole Genes. Anim Biotechnol 2017; 28:148-155. [PMID: 27854153 DOI: 10.1080/10495398.2016.1243550] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The most common pork quality problems are pale, soft, and exudative (PSE) and acid pork (AP). PSE is associated with the expression of recessive halothane (Hal) allele Haln. Recessive Hal pigs (Halnn) have defective Ca2+ release channels (CRC) or Ryanodine Receptors (RYR1) within the sarcoplasmic reticulum that allow uncontrolled release of Ca2+ in response to stress. Abnormal lactic acid metabolism caused by stress prior to slaughter leads to the sudden drop in postmortem muscle pH producing the PSE pork. Conversely, AP is caused by the dominant RN- allele of the Rendement Napole gene. RN- pigs have high glycolytic potential that causes the lower ultimate pHu due to excessive lactic acid production postmortem. Poor water holding capacity of muscle cells in PSE and AP causes excessive drip loss leading to low cooking and processing yields. The conventional methods to evaluate Hal and RN genotypes are less effective compared to the more accurate gene marker tests. Selection against the Haln and RN- alleles by genomic selection can potentially reduce the frequencies of the defective genes with high accuracy in less time. As more quantitative trait loci (QTL) are identified, pig breeders are able to select traits more effectively to increase efficiency of pig production and enhance pork quality.
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Affiliation(s)
- Ramon Cesar D Salas
- a Department of Animal Science , College of Agriculture, Central Luzon State University , Nueva Ecija , Philippines
| | - Claro N Mingala
- a Department of Animal Science , College of Agriculture, Central Luzon State University , Nueva Ecija , Philippines.,b Animal Health Unit , Philippine Carabao Center National Headquarters and Gene Pool , Nueva Ecija , Philippines
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Li B, Liu K, Weng Q, Li P, Wei W, Li Q, Chen J, Huang R, Wu W, Liu H. RNA-seq analysis reveals new candidate genes for drip loss in a Pietrain × Duroc × Landrace × Yorkshire population. Anim Genet 2016; 47:192-9. [DOI: 10.1111/age.12401] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2015] [Indexed: 12/29/2022]
Affiliation(s)
- Bojiang Li
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Kaiqing Liu
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Qiannan Weng
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Pinghua Li
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Wei Wei
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Qifa Li
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Jie Chen
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Ruihua Huang
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Wangjun Wu
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
| | - Honglin Liu
- Department of Animal Genetics, Breeding and Reproduction; College of Animal Science and Technology; Nanjing Agricultural University; Nanjing 210095 China
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Contribution of the phosphagen system to postmortem muscle metabolism in AMP-activated protein kinase γ3 R200Q pig Longissimus muscle. Meat Sci 2014; 96:876-83. [DOI: 10.1016/j.meatsci.2013.10.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 09/25/2013] [Accepted: 10/04/2013] [Indexed: 11/23/2022]
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Scheffler TL, Scheffler JM, Park S, Kasten SC, Wu Y, McMillan RP, Hulver MW, Frisard MI, Gerrard DE. Fiber hypertrophy and increased oxidative capacity can occur simultaneously in pig glycolytic skeletal muscle. Am J Physiol Cell Physiol 2013; 306:C354-63. [PMID: 24304835 DOI: 10.1152/ajpcell.00002.2013] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
An inverse relationship between skeletal muscle fiber cross-sectional area (CSA) and oxidative capacity suggests that muscle fibers hypertrophy at the expense of oxidative capacity. Therefore, our objective was to utilize pigs possessing mutations associated with increased oxidative capacity [AMP-activated protein kinase (AMPKγ3(R200Q))] or fiber hypertrophy [ryanodine receptor 1 (RyR1(R615C))] to determine if these events occur in parallel. Longissimus muscle was collected from wild-type (control), AMPKγ3(R200Q), RyR1(R615C), and AMPKγ3(R200Q)-RyR1(R615C) pigs. Regardless of AMPK genotype, RyR(R615C) increased fiber CSA by 35%. In contrast, AMPKγ3(R200Q) pig muscle exhibited greater citrate synthase and β-hydroxyacyl CoA dehydrogenase activity. Isolated mitochondria from AMPKγ3(R200Q) muscle had greater maximal, ADP-stimulated oxygen consumption rate. Additionally, AMPKγ3(R200Q) muscle contained more (∼50%) of the mitochondrial proteins succinate dehydrogenase and cytochrome c oxidase and more mitochondrial DNA. Surprisingly, RyR1(R615C) increased mitochondrial proteins and DNA, but this was not associated with improved oxidative capacity, suggesting that altered energy metabolism in RyR1(R615C) muscle influences mitochondrial proliferation and protein turnover. Thus pigs that possess both AMPKγ3(R200Q) and RyR(R615C) exhibit increased muscle fiber CSA as well as greater oxidative capacity. Together, our findings support the notion that hypertrophy and enhanced oxidative capacity can occur simultaneously in skeletal muscle and suggest that the signaling mechanisms controlling these events are independently regulated.
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Affiliation(s)
- T L Scheffler
- Department of Animal and Poultry Sciences, Virginia Tech, Blacksburg, Virginia; and
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Investigation of four candidate genes (IGF2, JHDM1A, COPB1 and TEF1) for growth rate and backfat thickness traits on SSC2q in Large White pigs. Mol Biol Rep 2013; 41:309-15. [PMID: 24234674 DOI: 10.1007/s11033-013-2863-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2012] [Accepted: 11/05/2013] [Indexed: 10/26/2022]
Abstract
As important quantitative traits, the growth rate and backfat thickness are controlled by multiple genes. The aim of this investigation was to evaluate the effect of the single and multiple SNPs of four candidate genes (IGF2, JHDM1A, COPB1 and TEF-1) on growth rate and backfat thickness. The four candidate genes were mapped on the p arm of SSC 2, and there are several QTLs, such as average daily gain, backfat thickness, an imprinted QTLs affecting muscle mass and fat deposition have been reported in this region. The polymorphisms of these genes were detected using PCR-RFLP methods, mixed procedure was used to analyze the single marker association with the growth and backfat thickness traits, and the gene-gene combination was investigated using multiple-markers analysis. The single marker association analysis indicated that the IGF2 intron-3 g.3072G > A and the substitution g.93G > A of TEF-1 gene were significantly associated with the age at 100 kg (P < 0.05). The JHDM1A 3′UTR g.224C > G, the c.3096C > T polymorphism of COPB1 gene and the substitution g.93G > A of TEF-1 gene were all significantly associated with the backfat at the shoulder (P < 0.05), backfat at the last rib, backfat at the lumbar, and the average backfat thickness, respectively. The multiple-markers analysis indicated that IGF2 and TEF-1 integrated gene networks for the age at 100 kg. Therefore, we can suggest that the polymorphism of IGF2 and TEF-1 gene could be used in marker-assisted selection for the age at 100 kg in Large White pigs.
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Wu W, Zuo B, Ren Z, Hapsari AAR, Lei M, Xu D, Li F, Xiong Y. Identification of four SNPs and association analysis with meat quality traits in the porcine Pitx2c gene. SCIENCE CHINA. LIFE SCIENCES 2011; 54:426-33. [PMID: 21574044 DOI: 10.1007/s11427-011-4167-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2010] [Accepted: 02/28/2011] [Indexed: 11/30/2022]
Abstract
The association of the porcine Pitx2c gene with meat quality traits was investigated in the present study. A total of eight single nucleotide polymorphisms (SNPs) were found. Allele frequencies of four SNPs were further detected in four commercial breeds and eight Chinese indigenous breeds. Single SNP and meat quality associations were analyzed in a Yorkshire×Meishan F(2) population. The SNPs c.474C>T (P<0.01) and c.636C>T (P<0.05) showed a significant association with meat color (MCV1). The SNPs c.*37G>A and c.*47G>A were significantly associated with drip loss rate (DLR), water holding capacity (WHC) and meat color value (MCV1) consistently (P<0.05). Linkage disequilibrium (LD) analysis revealed that the adjacent SNPs were in LD. Two major haplotypes were identified, and association analysis between haplotype combinations and meat quality indicated that the presence of two copies of haplotype 1 -CCGG- may improve meat quality.
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Affiliation(s)
- WangJun Wu
- Key Laboratory of Swine Genetics and Breeding, Ministry of Agriculture, College of Animal Science, Huazhong Agricultural University, Wuhan, 430070, China
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Han X, Xu X, Liu B. Molecular Characteristics of the Porcine MUSTN1 Gene and its Significant Association with Economic Traits. ACTA ACUST UNITED AC 2010. [DOI: 10.3923/javaa.2010.2351.2356] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Zhao JX, Yan X, Tong JF, Means WJ, McCormick RJ, Zhu MJ, Du M. Mouse AMP-activated protein kinase gamma3 subunit R225Q mutation affecting mouse growth performance when fed a high-energy diet. J Anim Sci 2009; 88:1332-40. [PMID: 20023137 DOI: 10.2527/jas.2009-2376] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The Rendement Napole (RN) genotype widely exists in Hampshire pigs. Recently, RN gene was identified as a R200Q mutation in AMP-activated protein kinase (AMPK) gamma3 subunit. The effect of RN genotype on the growth performance of animals and the underlying mechanisms remain controversial. Using transgenic mice carrying an analogous R225Q mutation, the objective of this study was to study the role of RN gene in the growth performance of animals at different energy levels. Wild-type (WT) mice and those with the RN mutation were assigned to 4 groups: 1) WT plus normal diet, 2) RN plus normal diet, 3) WT plus high-energy diet, and 4) RN plus high-energy diet. Mice were weaned at 21 d old and fed the trial diets for 1 mo and then killed for carcass measurements. The pH of postmortem muscle from RN mice was less (P < 0.01) than that from WT mice. No difference in growth performance was observed when mice were fed a normal diet. When fed a high-energy diet, RN mice showed a greater fat accumulation (WT vs. RN, 1.11 vs. 1.63 g for gonadal fat and 1.40 vs. 1.84 g for subcutaneous fat; P < 0.05). Muscle weight was also increased (WT vs. RN, 0.27 vs. 0.30 g for gastrocnemius muscle; P < 0.05). The food consumption was greater in RN compared with WT mice (2.95 vs. 2.49 g; P < 0.05). The AMPK content and its downstream target, acetyl-CoA carboxylase (ACC), content were greater in RN mice (P < 0.05). The phosphorylation of ACC at Ser 79, a site exclusively phosphorylated by AMPK, was increased (P < 0.05), showing greater AMPK activity in RN mouse muscle. No difference in muscle fiber composition and mitochondrial content was observed between WT and RN mice. High fat diet downregulates protein kinase B but upregulates extracellular signal-regulated kinase signaling. In conclusion, the R225Q mutation has no major effect on the growth performance of animals fed a normal diet; a high-energy diet increased fatness in RN mice, likely due to their greater consumption of feed compared with WT mice.
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Affiliation(s)
- J X Zhao
- Department of Animal Science, University of Wyoming, Laramie, USA
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