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Hao W, Zhao C, Li G, Wang H, Li T, Yan P, Wei S. Blue LED light induces cytotoxicity via ROS production and mitochondrial damage in bovine subcutaneous preadipocytes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 322:121195. [PMID: 36736558 DOI: 10.1016/j.envpol.2023.121195] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 01/07/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
The purpose of this study was to investigate the effect and mechanism of blue light irradiation on bovine subcutaneous preadipocytes. In this study, preadipocytes were divided into dark group (control) and blue light group. Results show that blue light exposure time-dependently reduced the viability of preadipocytes and induced mitochondrial damage, in accompaniment with the accumulation of intracellular reactive oxygen species (ROS). Meanwhile, blue light caused oxidative stress, as evidenced by the increased MDA level, the reduced T-AOC contents, as well as the decreased activities of antioxidant enzymes. Additionally, blue light treatment induced apoptosis and G2/M phase arrest via Bcl-2/Bax/cleaved caspase-3 pathway and P53/GADD45 pathway, respectively. Protein expressions of LC3-II/LC3-I and P62 were up-regulated under blue light exposure, indicating blue light initiated autophagy but impeded autophagic degradation. Moreover, blue light caused an increase in the secretion of pro-inflammatory factors (TNF-α, IL-1β, and IL-6). Pretreatment with N-acetylcysteine (NAC), a potent ROS scavenger, restored the loss of mitochondrial membrane potential (Δψ) and reduced excess ROS. Additionally, the above negative effects of blue light on cells were alleviated after NAC administration. In conclusion, this study demonstrates blue light induces cellular ROS overproduction and Δψ depolarization, resulting in the decrease of cell viability and the activation of apoptosis, autophagy, and inflammation, providing a reference for the application of blue light in the regulation of fat cells in the future.
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Affiliation(s)
- Weiguang Hao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Chongchong Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Guowen Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Hongzhuang Wang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Tingting Li
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Peishi Yan
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China
| | - Shengjuan Wei
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, 210095, Jiangsu, China.
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Bharanidharan R, Thirugnanasambantham K, Kim J, Xaysana P, Viengsakoun N, Ibidhi R, Oh J, Kim NY, Beak SH, Smith SB, Kim KH. Supplementation with rumen-inert fat in the growing phase altered adipogenic gene expression and the size and number of adipocytes in Hanwoo steers. J Anim Sci 2023; 101:skad315. [PMID: 37768168 PMCID: PMC10583981 DOI: 10.1093/jas/skad315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Accepted: 09/27/2023] [Indexed: 09/29/2023] Open
Abstract
We hypothesized that the provision of rumen-inert fat (RIF) to growing cattle (9 to 13 mo of age) would affect the expression of genes involved in lipid metabolism and thereby affect the size and number of adipocytes of steers slaughtered at 30 mo of age. Thirty steers with an average initial body weight (BW) of 239 ± 25 kg were allocated to six pens, balanced for BW and genetic merit for marbling, and assigned to one of two treatment groups: control (only basal diet) or test diet (basal diet with 200 g of RIF per day, on an as-fed basis) for 5 mo. Biopsy samples of longissimus lumborum (LM) muscle were then collected for analysis of fatty acid composition and gene expression. Both groups were then fed the same basal diets during the early and late fattening phases, without RIF, until slaughter (average shrunk BW = 759 kg). Supplementation with RIF increased the longissimus thoracis (LT) intramuscular fatty acid concentration at slaughter (P = 0.087) and numerically increased the quality grade score (P = 0.106). The LM intramuscular relative mRNA expression of genes such as PPARα, ZFP423 and SREBP1, FASN, SCD, FABP4, GPAT1, and DGAT2 were downregulated (P < 0.1) following RIF supplementation. Supplementation of RIF decreased (P < 0.1) diameter and concomitantly increased intramuscular adipocytes per viewing section at slaughter. This likely was caused by promotion of triacylglycerol hydrolysis during the growing phase. Another possible explanation is that the relative mRNA expression of gene ATGL was upregulated by RIF supplementation during the growing (P < 0.1) and the fattening phases (P < 0.05), while the genes associated with fatty acid uptake (FABP4) and esterification (DGAT2) were downregulated during the growing phase and upregulated (P < 0.1) during the fattening phase. This implies that the lipid turnover rate was higher for steers during the growing than fattening phase. This study demonstrated that RIF supplementation during the growing phase induced a carryover effect on the lipogenic transcriptional regulation involved in adipocyte lipid content of intramuscular adipose tissue; increased triacylglycerol hydrolysis during the growing phase subsequently was followed by increased lipid accumulation during the fattening phases.
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Affiliation(s)
- Rajaraman Bharanidharan
- Department of Eco-friendly Livestock Science, Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Krishnaraj Thirugnanasambantham
- Department of Eco-friendly Livestock Science, Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
- Pondicherry Centre for Biological Science and Educational Trust, Puducherry 605004, India
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai 602105, India
| | - Jayeon Kim
- Department of International Agricultural Technology, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Panyavong Xaysana
- Department of International Agricultural Technology, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
| | - Napasirth Viengsakoun
- Department of Livestock and Fisheries, Faculty of Agriculture, National University of Laos, Vientiane Capital, 856, Lao People’s Democratic Republic
| | - Ridha Ibidhi
- Agroécologie, INRAE, Institut Agro, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21000 Dijon, France
| | - Joonpyo Oh
- Cargill Animal Nutrition Korea, Seongnam, Republic of Korea
| | - Na-Yeon Kim
- Asia Pacific Ruminant Institute, Icheon 17385, Republic of Korea
| | - Seok-Hyeon Beak
- Department of Agricultural Biotechnology, College of Agriculture and Life Science, Seoul National University, Seoul 08826, Republic of Korea
| | - Stephen B Smith
- Department of Animal Science, Texas A&M University, College Station, TX 77843, USA
- Institute for Advancing Health through Agriculture, Texas A&M AgriLife, College Station, TX 77843, USA
| | - Kyoung Hoon Kim
- Department of Eco-friendly Livestock Science, Institute of Green Bio Science and Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
- Department of International Agricultural Technology, Graduate School of International Agricultural Technology, Seoul National University, Pyeongchang 25354, Republic of Korea
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BMP2 increases hyperplasia and hypertrophy of bovine subcutaneous preadipocytes via BMP/SMAD signaling. In Vitro Cell Dev Biol Anim 2022; 58:210-219. [PMID: 35275330 DOI: 10.1007/s11626-022-00661-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 02/20/2022] [Indexed: 11/05/2022]
Abstract
The study aims to characterize functions of bone morphogenetic protein 2 (BMP2) gene in the process of subcutaneous (SQ) fat deposition of bovine, thereby providing insights into mechanisms for the use of BMP2 in fat management. Our results show that BMP2 was extensively expressed in bovine and relatively rich in adipose tissue. Exogenous BMP2 significantly enhanced proliferation of bovine preadipocytes. Consistently, si-BMP2 apparently induced cell cycle arrest at G0/G1 phase and decreased proliferation of preadipocytes. Meanwhile, exogenous BMP2 mildly enhanced preadipocyte differentiation at day 3 of differentiation, as evidenced by accelerated lipid accumulation, as well as increased mRNA and protein expressions of adipogenic key transcription factor PPARγ; contrary results about lipids were found by BMP2 interference treatment. No difference was observed concerning BMP2 or si-BMP2 treatment at day - 2 and day 0 of differentiation. Additionally, LDN-193189 (inhibitor of BMP type I receptor) pretreatment diminished the enhancement of preadipocyte proliferation and differentiation induced by BMP2, as evidenced by constant proliferation rate and PPARγ expressions. Furthermore, BMP2 markedly enhanced phosphorylation level of SMAD1/5/9, and LDN-193189 could diminish the difference caused by BMP2. Thus, our results suggest that BMP2 triggers BMP/SMAD signaling pathway, promoting both hyperplasia and hypertrophy of bovine preadipocytes.
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Silva DBS, Fonseca LFS, Pinheiro DG, Magalhães AFB, Muniz MMM, Ferro JA, Baldi F, Chardulo LAL, Schnabel RD, Taylor JF, Albuquerque LG. Spliced genes in muscle from Nelore Cattle and their association with carcass and meat quality. Sci Rep 2020; 10:14701. [PMID: 32895448 PMCID: PMC7477197 DOI: 10.1038/s41598-020-71783-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2018] [Accepted: 08/04/2020] [Indexed: 01/31/2023] Open
Abstract
Transcript data obtained by RNA-Seq were used to identify differentially expressed alternatively spliced genes in ribeye muscle tissue between Nelore cattle that differed in their ribeye area (REA) or intramuscular fat content (IF). A total of 166 alternatively spliced transcripts from 125 genes were significantly differentially expressed in ribeye muscle between the highest and lowest REA groups (p ≤ 0.05). For animals selected on their IF content, 269 alternatively spliced transcripts from 219 genes were differentially expressed in ribeye muscle between the highest and lowest IF animals. Cassette exons and alternative 3′ splice sites were the most frequently found alternatively spliced transcripts for REA and IF content. For both traits, some differentially expressed alternatively spliced transcripts belonged to myosin and myotilin gene families. The hub transcripts were identified for REA (LRRFIP1, RCAN1 and RHOBTB1) and IF (TRIP12, HSPE1 and MAP2K6) have an important role to play in muscle cell degradation, development and motility. In general, transcripts were found for both traits with biological process GO terms that were involved in pathways related to protein ubiquitination, muscle differentiation, lipids and hormonal systems. Our results reinforce the biological importance of these known processes but also reveal new insights into the complexity of the whole cell muscle mRNA of Nelore cattle.
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Affiliation(s)
- Danielly B S Silva
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil.
| | - Larissa F S Fonseca
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil
| | - Daniel G Pinheiro
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil
| | - Ana F B Magalhães
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil
| | - Maria M M Muniz
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil
| | - Jesus A Ferro
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil.,National Council for Scientific and Technological Development (CNPq), Brasilia, DF, Brazil
| | - Fernando Baldi
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil.,National Council for Scientific and Technological Development (CNPq), Brasilia, DF, Brazil
| | - Luis A L Chardulo
- School of Veterinary and Animal Science, São Paulo State University (UNESP), Botucatu, SP, Brazil
| | - Robert D Schnabel
- Division of Animal Sciences, University of Missouri Columbia, Columbia, MO, USA
| | - Jeremy F Taylor
- Division of Animal Sciences, University of Missouri Columbia, Columbia, MO, USA
| | - Lucia G Albuquerque
- School of Agricultural and Veterinarian Sciences, São Paulo State University (UNESP), Jaboticabal, SP, Brazil. .,National Council for Scientific and Technological Development (CNPq), Brasilia, DF, Brazil.
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Facioli FL, De Marchi F, Marques MG, Michelon PRP, Zanella EL, Caires KC, Reeves JJ, Zanella R. The Outcome and Economic Viability of Embryo Production Using IVF and SOV Techniques in the Wagyu Breed of Cattle. Vet Sci 2020; 7:vetsci7020058. [PMID: 32369966 PMCID: PMC7355500 DOI: 10.3390/vetsci7020058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 04/18/2020] [Accepted: 04/19/2020] [Indexed: 01/25/2023] Open
Abstract
The Japanese black cattle breed (Wagyu) has an improved metabolism, which allows them to have a higher marbling score when compared with other cattle breeds. However, this may affect other aspects of the animal’s physiology, including hormone secretion and their reproductive success, such as their response to synchronization protocols and embryo production. Therefore, the objectives of this study were to test a superovulation protocol (SOV) developed with low doses of FSH and to evaluate the outcome and economic viability of embryo production using the SOV and in vitro fertilization (IVF) approaches in the Wagyu cattle breed. For that, ten Wagyu cows were submitted to five SOVs over a period of 15 months using a standard protocol: CIDR + 3 mg estradiol benzoate (D0), 35 mg FSH (Folltropin®) a.m. and p.m. (D4), 35 mg Folltropin® a.m. and 20 mg p.m. (D5), 20 mg Folltropin® a.m. and 10 mg p.m. (D6), 10 mg Folltropin® and 0.5 mg cloprostenol, both a.m. and p.m., + CIDR removal (D7), 0.05 mg GnRH + insemination 12 and 24 h after (D8) and embryo collection + 0.5 mg of cloprostenol (D16). Thirty days after each SOV, a follicular aspiration was conducted to produce IVF embryos without any pre-synchronization using standard semen in the same group of animals. The average number of embryos produced was 7.63 ± 5.61 (SOV) and 4.52 ± 2.44 (IVF) (p = 0.303). There was no significant correlation between the number of embryos produced by the different techniques (SOV and IVF), indicating that cows that respond well to SOV did not respond well to IVF and vice versa (r = 0.379, p = 0.529). The total cost of each embryo produced by SOV was R$215.00 and R$410.00 for IVF. Therefore, cows that produce less than five embryos by SOV are not economically viable due their lack of response to FSH, and the use of IVF in those animals may be more effective.
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Affiliation(s)
- Fernanda L. Facioli
- Faculdade de Agronomia e Medicina Veterinária, Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil; (F.L.F.); (F.D.M.); (E.L.Z.)
| | - Flávia De Marchi
- Faculdade de Agronomia e Medicina Veterinária, Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil; (F.L.F.); (F.D.M.); (E.L.Z.)
- Programa de Mestrado em BioExperimentação, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil
| | - Mariana G. Marques
- Programa de Pós-Graduação em Produção e Sanidade Animal, Instituto Federal Catarinense, Concórdia, SC 89703-720, Brazil;
- Laboratório de Sanidade Animal, Embrapa Suínos e Aves, Concórdia, SC 89715-899, Brazil
| | | | - Eraldo L. Zanella
- Faculdade de Agronomia e Medicina Veterinária, Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil; (F.L.F.); (F.D.M.); (E.L.Z.)
- Programa de Mestrado em BioExperimentação, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil
| | - Kyle C. Caires
- Department of Human Nutrition, Food and Animal Sciences, University of Hawaii, Manoa, HI 96822, USA;
| | | | - Ricardo Zanella
- Faculdade de Agronomia e Medicina Veterinária, Curso de Medicina Veterinária, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil; (F.L.F.); (F.D.M.); (E.L.Z.)
- Programa de Mestrado em BioExperimentação, Universidade de Passo Fundo, Passo Fundo, RS 99052-900, Brazil
- Correspondence:
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Review: Enhancing intramuscular fat development via targeting fibro-adipogenic progenitor cells in meat animals. Animal 2019; 14:312-321. [PMID: 31581971 DOI: 10.1017/s175173111900209x] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
In the livestock industry, subcutaneous and visceral fat pads are considered as wastes, while intramuscular fat or marbling fat is essential for improving flavor and palatability of meat. Thus, strategies for optimizing fat deposition are needed. Intramuscular adipocytes provide sites for lipid deposition and marbling formation. In the present article, we addressed the origin and markers of intramuscular adipocyte progenitors - fibro-adipogenic progenitors (FAPs), as well as the latest progresses in mechanisms regulating the proliferation and differentiation of intramuscular FAPs. Finally, by targeting intramuscular FAPs, possible nutritional manipulations to improve marbling fat deposition are discussed. Despite recent progresses, the properties and regulation of intramuscular FAPs in livestock remain poorly understood and deserve further investigation.
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Peng DQ, Lee JS, Kim WS, Kim YS, Bae MH, Jo YH, Oh YK, Baek YC, Hwang SG, Lee HG. Effect of vitamin A restriction on carcass traits and blood metabolites in Korean native steers. ANIMAL PRODUCTION SCIENCE 2019. [DOI: 10.1071/an17733] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The objective of the present study was to determine the effect of vitamin A restriction on serum metabolites and carcass performance in Korean native steers during a fattening period. In Study 1, 61 steers were divided into three groups and supplied diets with concentrate and roughage containing 890 IU/kg of provitamin A and then supplemented with either 8000 IU (control), 3000 IU (T1) or 0 IU (T2) of premix vitamin A per kilogram of dry matter. In Study 2, 19 steers were divided into two groups and provided with the same basic diets then supplemented with 8000 IU (control) or 0 IU (T) of premix vitamin A per kilogram of dry matter. In Study 1, we found that serum vitamin A concentrations were significantly (P < 0.05) lower in the T2 group, along with significant (P < 0.05) increases in blood urea nitrogen, albumin, creatinine and non-esterified fatty acid concentrations. In Study 2, the T group had a higher (P < 0.05) skeletal muscle mRNA expression levels of myogenic factor 6 and a trend for the greater yield grade (P=0.095). However, marbling scores in the study showed no significant. Therefore, vitamin A restriction with vitamin premix during the fattening period was associated with a trend for a higher yield grade, but marbling scores that were not significantly higher. Metabolic parameters in this stage could be used as indicators in future metabolic studies and as early health status markers in Korean native steers.
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Wei S, Zheng Y, Zhang M, Zheng H, Yan P. Grape seed procyanidin extract inhibits adipogenesis and stimulates lipolysis of porcine adipocytes in vitro. J Anim Sci 2018; 96:2753-2762. [PMID: 29701782 DOI: 10.1093/jas/sky158] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 04/24/2018] [Indexed: 12/17/2022] Open
Abstract
The objective of this article was to evaluate in vitro effect of grape seed procyanidin extract (GSPE) on differentiation, proliferation, and lipolysis of porcine adipocytes, providing a molecular basis for the use of GSPE in pig fat regulation. Primary preadipocytes isolated from subcutaneous adipose tissue of pigs were used as the in vitro cell model. Treatment of GSPE repressed preadipocyte differentiation, as evidenced by reduced lipid accumulation, decreased mRNA expressions of peroxisome proliferator-activated receptor gamma (PPARγ) and fatty acid-binding protein 4 (FABP4), as well as enhanced expressions of preadipocyte factor-1. Activity of glycerol-3-phosphate dehydrogenase (GPDH), one of the most important enzymes in the pathway for triacylglycerol biosynthesis, was also decreased. Furthermore, GSPE could suppress preadipocyte proliferation by inducing G0/G1 cell cycle arrest and cell apoptosis. In porcine mature adipocytes, treatment with GSPE attenuated lipid content and GPDH activity, and the release of both free fatty acid and glycerol were enhanced; mRNA expressions of key lipolytic transcription factors, including hormone-sensitive lipase (HSL) and adipose triglyceride lipase (ATGL), were elevated in GSPE-treated adipocytes. In summary, our results suggest GSPE inhibits porcine preadipocyte differentiation and proliferation and stimulates lipolysis of mature adipocytes, thus providing novel insights for further exploring the use of GSPE as a fat accumulation inhibitor.
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Affiliation(s)
- Shengjuan Wei
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, P R China
| | - Yueying Zheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, P R China
| | - Mengmeng Zhang
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, P R China
| | - Hao Zheng
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, Jiangsu, P R China
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9
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Wang B, Nie W, Fu X, de Avila JM, Ma Y, Zhu MJ, Maquivar M, Parish SM, Busboom JR, Nelson ML, Du M. Neonatal vitamin A injection promotes cattle muscle growth and increases oxidative muscle fibers. J Anim Sci Biotechnol 2018; 9:82. [PMID: 30459947 PMCID: PMC6236944 DOI: 10.1186/s40104-018-0296-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 09/26/2018] [Indexed: 01/12/2023] Open
Abstract
Background Vitamin A and its metabolite, retinoic acid (RA), are important regulators of cell differentiation and organ morphogenesis. Its impact on beef cattle muscle growth remains undefined. Method Angus steer calves were administrated with 0 (control) or 150,000 IU vitamin A (retinyl palmitate in glycerol, i.m.) per calf at birth and 1 month of age. At 2 months of age, a biopsy of the Biceps femoris muscle was obtained to analyze the immediate effects of vitamin A injection on myogenic capacity of muscle cells. The resulting steers were harvested at 14 months of age. Results Vitamin A administration increased cattle growth at 2 months. At 2 months of age, Vitamin A increased PAX7 positive satellite cells and the expression of myogenic marker genes including PAX7, MYF5, MYOD and MYOG. Muscle derived mononuclear cells were further isolated and induced myogenesis in vitro. More myotubes and a higher degree of myogenesis was observed in vitamin A groups. Consistently, vitamin A increased Latissimus dorsi (LD) muscle fiber size at harvest. In addition, vitamin A increased the ratio of oxidative type I and type IIA fibers and reduced the glycolic type IIX fibers. Furthermore, we found that RA, a key bioactive metabolite of vitamin A, activated PPARGC1A promoter, which explains the upregulated expression of PPARGC1A in skeletal muscle. Conclusion Vitamin A administration to neonatal calves enhanced postnatal muscle growth by promoting myogenesis and increasing satellite cell density, accompanied with a shift to oxidative muscle fibers.
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Affiliation(s)
- Bo Wang
- 1State Key Lab of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 People's Republic of China.,2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Wei Nie
- 1State Key Lab of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193 People's Republic of China.,2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Xing Fu
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA.,3Department of Animal Sciences, Louisiana State University, Baton Rouge, LA 70803 USA
| | - Jeanene M de Avila
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Yannan Ma
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA.,4College of Animal Science and Technology, Gansu Agricultural University, Lanzhou, 730070 Gansu People's Republic of China
| | - Mei-Jun Zhu
- 5School of Food Science, Washington State University, Pullman, WA 99164 USA
| | - Martin Maquivar
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Steven M Parish
- 6College of Veterinary Science, Washington State University, Pullman, WA 99164 USA
| | - Jan R Busboom
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Mark L Nelson
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
| | - Min Du
- 2Department of Animal Sciences, Washington State University, Pullman, WA 99164 USA
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Reduced satellite cell density and myogenesis in Wagyu compared with Angus cattle as a possible explanation of its high marbling. Animal 2017; 12:990-997. [PMID: 28988554 DOI: 10.1017/s1751731117002403] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Mechanisms responsible for excellent marbling in Japanese black cattle, Wagyu, remain to be established. Because both muscle cells and intramuscular adipocytes are developed from mesenchymal progenitor cells during early muscle development, we hypothesized that intramuscular progenitor cells in Wagyu cattle have attenuated myogenic capacity in favor of adipogenesis, leading to high marbling but reduced muscle growth. Biceps femoris muscle biopsy samples were obtained from both Angus (n=3) and Wagyu (n=3) cattle at 12 months of age. Compared with Angus, the density of satellite cells was much lower in Wagyu muscle (by 45.8±10%, P<0.05). Consistently, the formation of myotubes from muscle-derived progenitor cells was also lower (by 64.2±12.9%, P<0.05), but adipogenic capacity was greater in Wagyu. The average muscle fiber diameter was larger in Wagyu (by 23.9±6.8%, P=0.089) despite less muscle mass, suggesting less muscle fiber formation in Wagyu compared with Angus cattle. Because satellite cells are derived from fetal myogenic cells, the reduction in satellite cell density together with lower muscle fiber formation suggests that myogenesis was attenuated during early muscle development in Wagyu cattle. Given the shared pool of mesenchymal progenitor cells, the attenuated myogenesis likely shifts progenitor cells to adipogenesis during early development, which may contribute to high intramuscular adipocyte formation in Wagyu cattle.
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11
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Global transcriptome analysis identifies differentially expressed genes related to lipid metabolism in Wagyu and Holstein cattle. Sci Rep 2017; 7:5278. [PMID: 28706200 PMCID: PMC5509646 DOI: 10.1038/s41598-017-05702-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 06/01/2017] [Indexed: 11/22/2022] Open
Abstract
Fat deposition of beef cattle varies between breeds. However, the regulation mechanism is still not elucidated completely at molecular level. In the present study, we comparatively analyzed transcriptome of subcutaneous adipose tissue between Wagyu and Holstein cattle with a significant difference in fat deposition to identify key genes associated with fat metabolism and adipogenesis by high-throughput RNA-seq technology. A total of 59,149,852 and 69,947,982 high quality reads were generated, respectively. With further analysis, 662 differentially expressed genes were identified. Gene Ontology and KEGG pathway analysis revealed that many differentially expressed genes were enriched in several biological processes and pathways relevant to adipogenesis and lipid metabolism, in which PPAR and fatty acid metabolism signaling pathways with related genes such as PPARγ, PLIN2 and ELOVL6 et al. play a critical role. Protein-protein interaction network analysis showed EGR1, FOS, SERPINE1, AGT, MMP2 may have great impact on adipocyte differentiation and adipogenesis. Moreover, potential alternative splicing events and single nucleotide polymorphisms (SNPs) were also identified. In summary, we comprehensively analyzed and discussed the transcriptome of subcutaneous adipose tissue of Wagyu and Holstein cattle, which might provide a theoretical basis for better understanding molecular mechanism of fat metabolism and deposition in beef cattle.
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An L, Ling PP, Zhu X, Liu Y, Zhang F, Ma X, Xu B, Wang Y, Du Z, Yang L, Xue F, Bella A, Presicce GA, Du F. Successful Vitrification ofIn vivoEmbryos Collected from Superovulated Japanese Black Cattle (Wagyu). Reprod Domest Anim 2016; 51:255-61. [DOI: 10.1111/rda.12674] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 01/14/2016] [Indexed: 11/30/2022]
Affiliation(s)
- L An
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
| | - PP Ling
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
| | - X Zhu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
| | - Y Liu
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
| | - F Zhang
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
| | - X Ma
- Lannuo Biotechnologies Wuxi Inc.; Wuxi China
| | - B Xu
- Lannuo Biotechnologies Wuxi Inc.; Wuxi China
| | - Y Wang
- Lannuo Biotechnologies Wuxi Inc.; Wuxi China
| | - Z Du
- Lannuo Biotechnologies Wuxi Inc.; Wuxi China
| | - L Yang
- Lannuo Biotechnologies Wuxi Inc.; Wuxi China
| | - F Xue
- Renova Life Inc.; College Park MA USA
| | - A Bella
- Istituto Superiore di Sanità; Rome Italy
| | | | - F Du
- Jiangsu Key Laboratory for Molecular and Medical Biotechnology; College of Life Sciences; Nanjing Normal University; Nanjing China
- Renova Life Inc.; College Park MA USA
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Review: Animal model and the current understanding of molecule dynamics of adipogenesis. Animal 2016; 10:927-32. [DOI: 10.1017/s1751731115002992] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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