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Abebe BK, Wang H, Li A, Zan L. A review of the role of transcription factors in regulating adipogenesis and lipogenesis in beef cattle. J Anim Breed Genet 2024; 141:235-256. [PMID: 38146089 DOI: 10.1111/jbg.12841] [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: 09/30/2023] [Revised: 11/25/2023] [Accepted: 11/30/2023] [Indexed: 12/27/2023]
Abstract
In the past few decades, genomic selection and other refined strategies have been used to increase the growth rate and lean meat production of beef cattle. Nevertheless, the fast growth rates of cattle breeds are often accompanied by a reduction in intramuscular fat (IMF) deposition, impairing meat quality. Transcription factors play vital roles in regulating adipogenesis and lipogenesis in beef cattle. Meanwhile, understanding the role of transcription factors in regulating adipogenesis and lipogenesis in beef cattle has gained significant attention to increase IMF deposition and meat quality. Therefore, the aim of this paper was to provide a comprehensive summary and valuable insight into the complex role of transcription factors in adipogenesis and lipogenesis in beef cattle. This review summarizes the contemporary studies in transcription factors in adipogenesis and lipogenesis, genome-wide analysis of transcription factors, epigenetic regulation of transcription factors, nutritional regulation of transcription factors, metabolic signalling pathways, functional genomics methods, transcriptomic profiling of adipose tissues, transcription factors and meat quality and comparative genomics with other livestock species. In conclusion, transcription factors play a crucial role in promoting adipocyte development and fatty acid biosynthesis in beef cattle. They control adipose tissue formation and metabolism, thereby improving meat quality and maintaining metabolic balance. Understanding the processes by which these transcription factors regulate adipose tissue deposition and lipid metabolism will simplify the development of marbling or IMF composition in beef cattle.
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Affiliation(s)
- Belete Kuraz Abebe
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
- Department of Animal Science, Werabe University, Werabe, Ethiopia
| | - Hongbao Wang
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
| | - Anning Li
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
| | - Linsen Zan
- College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, People's Republic of China
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2
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Heyman E, Meeremans M, Van Poucke M, Peelman L, Devriendt B, De Schauwer C. Validation of multiparametric panels for bovine mesenchymal stromal cell phenotyping. Cytometry A 2023; 103:744-755. [PMID: 37173856 DOI: 10.1002/cyto.a.24737] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/13/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Bovine mesenchymal stromal cells (MSCs) display important features that render them valuable for cell therapy and tissue engineering strategies, such as self-renewal, multi-lineage differentiation, as well as immunomodulatory properties. These cells are also promising candidates to produce cultured meat. For all these applications, it is imperative to unequivocally identify this cell population. The isolation and in vitro tri-lineage differentiation of bovine MSCs is already described, but data on their immunophenotypic characterization is not yet complete. The currently limited availability of monoclonal antibodies (mAbs) specific for bovine MSC markers strongly hampers this research. Following the minimal criteria defined for human MSCs, bovine MSCs should express CD73, CD90, and CD105 and lack expression of CD14 or CD11b, CD34, CD45, CD79α, or CD19, and MHC-II. Additional surface proteins which have been reported to be expressed include CD29, CD44, and CD106. In this study, we aimed to immunophenotype bovine adipose tissue (AT)-derived MSCs using multi-color flow cytometry. To this end, 13 commercial Abs were screened for recognizing bovine epitopes using the appropriate positive controls. Using flow cytometry and immunofluorescence microscopy, cross-reactivity was confirmed for CD34, CD73, CD79α, and CD90. Unfortunately, none of the evaluated CD105 and CD106 Abs cross-reacted with bovine cells. Subsequently, AT-derived bovine MSCs were characterized using multi-color flow cytometry based on their expression of nine markers. Bovine MSCs clearly expressed CD29 and CD44, and lacked expression of CD14, CD45, CD73, CD79α, and MHCII, while a variable expression was observed for CD34 and CD90. In addition, the mRNA transcription level of different markers was analyzed using reverse transcription quantitative polymerase chain reaction. Using these panels, bovine MSCs can be properly immunophenotyped which allows a better characterization of this heterogenous cell population.
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Affiliation(s)
- Emma Heyman
- Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - M Meeremans
- Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - M Van Poucke
- Laboratory of Animal Genetics, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - L Peelman
- Laboratory of Animal Genetics, Department of Veterinary and Biosciences, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - B Devriendt
- Laboratory of Immunology, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Catharina De Schauwer
- Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
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Bezerra AF, Alves JPM, Fernandes CCL, Cavalcanti CM, Silva MRL, Conde AJH, Tetaping GM, Ferreira ACA, Melo LM, Rodrigues APR, Rondina D. Dyslipidemia induced by lipid diet in late gestation donor impact on growth kinetics and in vitro potential differentiation of umbilical cord Wharton's Jelly mesenchymal stem cells in goats. Vet Res Commun 2022; 46:1259-1270. [PMID: 36125693 DOI: 10.1007/s11259-022-09995-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/04/2022] [Indexed: 10/14/2022]
Abstract
Mesenchymal stem cells (MSC) from the umbilical cord (UC) have several attractive properties for clinical use. This study aimed to verify the impact of a lipid-rich diet during late gestation of donor goats on the growth and differentiation of MSCs from UC. From the 100th day of pregnancy to delivery, 22 goats were grouped based on their diet into the donor-lipid (DLD; n = 11) and donor-baseline (DBD; n = 11) diet groups. Diets were isonitrogenous and isoenergetic, differing in fat content (2.8% vs. 6.3% on a dry matter basis). Wharton's jelly (WJ) fragments were cultured. After primary culture, samples of WJ-MSCs were characterized by the expression of CD90, CD73, CD34, CD45, CD105, and Fas genes, mitochondrial activity using MitoTracker (MT) fluorescence probe, and growth kinetics. Population doubling time (PDT) was also determined. WJ-MSCs were differentiated into chondrocytes, adipocytes and osteocytes, and the mineralized area and adipocytes were determined. The lipid diet significantly increased triglyceride and cholesterol levels during pregnancy. The DLD group showed sub-expression of the CD90 gene, a high MT intensity, and a low proliferation rate at the end of the subculture. The mean PDT was 83.9 ± 1.3 h. Mineralized area and lipid droplet stain intensity from osteogenic and adipogenic differentiations, respectively, were greater in DLD. We conclude that in donor goats, dietary dyslipidemia during late pregnancy affects the ability of UC-derived MSCs to express their developmental potential in vitro, thus limiting their possible use for therapeutic purposes.
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Affiliation(s)
| | | | | | - Camila Muniz Cavalcanti
- School of Veterinary Medicine, Ceará State University (UECE), Fortaleza, CE, 60.714.903, Brazil
| | | | | | - Gildas Mbemya Tetaping
- School of Veterinary Medicine, Ceará State University (UECE), Fortaleza, CE, 60.714.903, Brazil
| | | | - Luciana Magalhães Melo
- School of Veterinary Medicine, Centro Universitario Fametro (UNIFAMETRO), Fortaleza, CE, 60010-470, Brazil
| | | | - Davide Rondina
- School of Veterinary Medicine, Ceará State University (UECE), Fortaleza, CE, 60.714.903, Brazil.
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An Update on Applications of Cattle Mesenchymal Stromal Cells. Animals (Basel) 2022; 12:ani12151956. [PMID: 35953945 PMCID: PMC9367612 DOI: 10.3390/ani12151956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/27/2022] [Accepted: 07/29/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary Among livestock species, cattle are crucially important for the meat and milk production industry. Cows can be affected by different pathologies, such as mastitis, endometritis and lameness, which can negatively affect either food production or reproductive efficiency. The use of mesenchymal stromal cells (MSCs) is a valuable tool both in the treatment of various medical conditions and in the application of reproductive biotechnologies. This review provides an update on state-of-the-art applications of bovine MSCs to clinical treatments and reproductive biotechnologies. Abstract Attention on mesenchymal stromal cells (MSCs) research has increased in the last decade mainly due to the promising results about their plasticity, self-renewal, differentiation potential, immune modulatory and anti-inflammatory properties that have made stem cell therapy more clinically attractive. Furthermore, MSCs can be easily isolated and expanded to be used for autologous or allogenic therapy following the administration of either freshly isolated or previously cryopreserved cells. The scientific literature on the use of stromal cells in the treatment of several animal health conditions is currently available. Although MSCs are not as widely used for clinical treatments in cows as for companion and sport animals, they have the potential to be employed to improve productivity in the cattle industry. This review provides an update on state-of-the-art applications of bovine MSCs to clinical treatments and reproductive biotechnologies.
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Ai X, Hou X, Guo T. C-type natriuretic peptide promotes adipogenic differentiation of goat adipose-derived stem cells via cGMP/PKG/ p38 MAPK signal pathway. In Vitro Cell Dev Biol Anim 2021; 57:865-877. [PMID: 34786662 DOI: 10.1007/s11626-021-00621-2] [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: 06/14/2021] [Accepted: 08/31/2021] [Indexed: 10/19/2022]
Abstract
C-type natriuretic peptide (CNP) is a member of natriuretic peptide family, which plays unique roles in cardiovascular system. Once CNP binds to natriuretic peptide receptor B (NPR-B), NPR-B induces the production of cGMP, thereby activating PKG and downstream targets. The expression of NPR-B in adipose tissue led to a hypothesis that CNP could have roles involving in regulation of adipogenesis. However, there are few studies on the relationship between CNP and adipogenesis in goat. In the present study, goat adipose-derived stem cells (ADSCs) were isolated and employed to investigate the effect of CNP on adipogenesis in goat. The results showed that CNP significantly promoted adipogenic differentiation of goat ADSCs and also up-regulated the expression of brown adipose genes including uncoupling protein 1 (UCP-1) and peroxisome proliferator-activated receptor γ coactivator-1 α (PGC-1α). Furthermore, treatment with CNP increased the cGMP production and the phosphorylation of p38 mitogen-activated protein kinase (p38 MAPK), MAPK activated protein kinase 2 (MK2), and activating transcription factor 2 (ATF2) during adipogenic differentiation. Conversely, PKG inhibitor Rp-8-CPT-cGMP or p38 MAPK specific inhibitor SB203580 abolished stimulative effect of CNP on adipogenic differentiation. Collectively, it is proved that CNP promoted adipogenic differentiation of goat ADSCs depending on the cGMP/PKG/p38 MAPK signal pathway.
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Affiliation(s)
- Xia Ai
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China.
| | - Ximiao Hou
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China
| | - Tingting Guo
- State Key Laboratory of Crop Stress Biology for Arid Areas and College of Life Sciences, Northwest A&F University, Yangling, Xianyang, 712100, Shaanxi, China
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Balasubramanian B, Liu W, Pushparaj K, Park S. The Epic of In Vitro Meat Production-A Fiction into Reality. Foods 2021; 10:1395. [PMID: 34208720 PMCID: PMC8233867 DOI: 10.3390/foods10061395] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/07/2021] [Accepted: 06/09/2021] [Indexed: 01/18/2023] Open
Abstract
Due to a proportionally increasing population and food demands, the food industry has come up with wide innovations, opportunities, and possibilities to manufacture meat under in vitro conditions. The amalgamation of cell culture and tissue engineering has been the base idea for the development of the synthetic meat, and this has been proposed to be a pivotal study for a futuristic muscle development program in the medical field. With improved microbial and chemical advancements, in vitro meat matched the conventional meat and is proposed to be eco-friendly, healthy, nutrient rich, and ethical. Despite the success, there are several challenges associated with the utilization of materials in synthetic meat manufacture, which demands regulatory and safety assessment systems to manage the risks associated with the production of cultured meat. The role of 3D bioprinting meat analogues enables a better nutritional profile and sensorial values. The integration of nanosensors in the bioprocess of culture meat eased the quality assessment throughout the food supply chain and management. Multidisciplinary approaches such as mathematical modelling, computer fluid dynamics, and biophotonics coupled with tissue engineering will be promising aspects to envisage the future prospective of this technology and make it available to the public at economically feasible rates.
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Affiliation(s)
| | - Wenchao Liu
- Department of Animal Science, College of Coastal Agricultural Sciences, Guangdong Ocean University, Zhanjiang 524088, China;
| | - Karthika Pushparaj
- Department of Zoology, School of Biosciences, Avinashilingam Institute for Home Science and Higher Education for Women, Coimbatore 641 043, Tamil Nadu, India;
| | - Sungkwon Park
- Department of Food Science and Biotechnology, College of Life Science, Sejong University, Seoul 05006, Korea;
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Wright A, Arthaud-Day ML, Weiss ML. Therapeutic Use of Mesenchymal Stromal Cells: The Need for Inclusive Characterization Guidelines to Accommodate All Tissue Sources and Species. Front Cell Dev Biol 2021; 9:632717. [PMID: 33665190 PMCID: PMC7921162 DOI: 10.3389/fcell.2021.632717] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 01/07/2021] [Indexed: 12/12/2022] Open
Abstract
Following their discovery over 50 years ago, mesenchymal stromal cells (MSCs) have become one of the most studied cellular therapeutic products by both academia and industry due to their regenerative potential and immunomodulatory properties. The promise of MSCs as a therapeutic modality has been demonstrated by preclinical data yet has not translated to consistent, successful clinical trial results in humans. Despite the disparities across the field, MSC shareholders are unified under one common goal-to use MSCs as a therapeutic modality to improve the quality of life for those suffering from a malady in which the standard of care is suboptimal or no longer effective. Currently, there is no Food and Drug Administration (FDA)-approved MSC therapy on the market in the United States although several MSC products have been granted regulatory approval in other countries. In this review, we intend to identify hurdles that are impeding therapeutic progress and discuss strategies that may aid in accomplishing this universal goal of widespread therapeutic use.
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Affiliation(s)
- Adrienne Wright
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, United States
| | - Marne L Arthaud-Day
- Department of Management, Kansas State University, Manhattan, KS, United States
| | - Mark L Weiss
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS, United States.,Midwest Institute of Comparative Stem Cell Biotechnology, Kansas State University, Manhattan, KS, United States
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8
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Sigmarsdóttir Þ, McGarrity S, Rolfsson Ó, Yurkovich JT, Sigurjónsson ÓE. Current Status and Future Prospects of Genome-Scale Metabolic Modeling to Optimize the Use of Mesenchymal Stem Cells in Regenerative Medicine. Front Bioeng Biotechnol 2020; 8:239. [PMID: 32296688 PMCID: PMC7136564 DOI: 10.3389/fbioe.2020.00239] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 03/09/2020] [Indexed: 12/15/2022] Open
Abstract
Mesenchymal stem cells are a promising source for externally grown tissue replacements and patient-specific immunomodulatory treatments. This promise has not yet been fulfilled in part due to production scaling issues and the need to maintain the correct phenotype after re-implantation. One aspect of extracorporeal growth that may be manipulated to optimize cell growth and differentiation is metabolism. The metabolism of MSCs changes during and in response to differentiation and immunomodulatory changes. MSC metabolism may be linked to functional differences but how this occurs and influences MSC function remains unclear. Understanding how MSC metabolism relates to cell function is however important as metabolite availability and environmental circumstances in the body may affect the success of implantation. Genome-scale constraint based metabolic modeling can be used as a tool to fill gaps in knowledge of MSC metabolism, acting as a framework to integrate and understand various data types (e.g., genomic, transcriptomic and metabolomic). These approaches have long been used to optimize the growth and productivity of bacterial production systems and are being increasingly used to provide insights into human health research. Production of tissue for implantation using MSCs requires both optimized production of cell mass and the understanding of the patient and phenotype specific metabolic situation. This review considers the current knowledge of MSC metabolism and how it may be optimized along with the current and future uses of genome scale constraint based metabolic modeling to further this aim.
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Affiliation(s)
- Þóra Sigmarsdóttir
- The Blood Bank, Landspitali – The National University Hospital of Iceland, Reykjavik, Iceland
- School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
| | - Sarah McGarrity
- School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
- Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | - Óttar Rolfsson
- Faculty of Medicine, School of Health Sciences, University of Iceland, Reykjavik, Iceland
| | | | - Ólafur E. Sigurjónsson
- The Blood Bank, Landspitali – The National University Hospital of Iceland, Reykjavik, Iceland
- School of Science and Engineering, Reykjavik University, Reykjavik, Iceland
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9
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Fraeye I, Kratka M, Vandenburgh H, Thorrez L. Sensorial and Nutritional Aspects of Cultured Meat in Comparison to Traditional Meat: Much to Be Inferred. Front Nutr 2020; 7:35. [PMID: 32266282 PMCID: PMC7105824 DOI: 10.3389/fnut.2020.00035] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 03/06/2020] [Indexed: 11/22/2022] Open
Abstract
Cultured meat aspires to be biologically equivalent to traditional meat. If cultured meat is to be consumed, sensorial (texture, color, flavor) and nutritional characteristics are of utmost importance. This paper compares cultured meat to traditional meat from a tissue engineering and meat technological point of view, focusing on several molecular, technological and sensorial attributes. We outline the challenges and future steps to be taken for cultured meat to mimic traditional meat as closely as possible.
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Affiliation(s)
- Ilse Fraeye
- Research Group for Technology and Quality of Animal Products, Leuven Food Science and Nutrition Research Centre, KU Leuven Ghent Technology Campus, Gent, Belgium
| | - Marie Kratka
- Department of Development and Regeneration, KU Leuven, Kortrijk, Belgium
| | - Herman Vandenburgh
- Department of Pathology, Brown University, Providence, RI, United States
| | - Lieven Thorrez
- Department of Development and Regeneration, KU Leuven, Kortrijk, Belgium
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Lin R, Jia Y, Wu F, Meng Y, Sun Q, Jia L. Combined Exposure to Fructose and Bisphenol A Exacerbates Abnormal Lipid Metabolism in Liver of Developmental Male Rats. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16214152. [PMID: 31661889 PMCID: PMC6862621 DOI: 10.3390/ijerph16214152] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/22/2019] [Accepted: 10/25/2019] [Indexed: 12/17/2022]
Abstract
The aim of this study was to investigate whether combined exposure to fructose and bisphenol A (BPA) has a synergistic effect on abnormal lipid metabolism in the liver of developmental male rats and its possible mechanism. Fifty weaned male Wistar rats were divided into five groups: the control, 13% fructose, 20% fructose, 1 µg/mL BPA, and 13% fructose + 1 µg/mL BPA (combined exposure). Rats were exposed to fructose and/or BPA through drinking water for eight weeks. Genes or proteins regulating lipid metabolism include sterol regulatory element binding protein 1 (SREBP1), adipose triglyceride lipase (ATGL), hormone sensitive lipase (HSL), acetyl-CoA carboxylase 1 (ACC1), fatty acid synthase (FAS), zinc α 2 glycoprotein (ZAG) and estrogen receptor α (ERα), and the expression of proteins regulating inflammatory response, such as TLR4 and NF-κB, were determined. Serum total cholesterol (T-CHO), triglyceride (TG), low, high density lipoprotein cholesterol (LDL-C, HDL-C), blood glucose, insulin, IL-17 and TNF-α levels were also measured. Liver tissue morphology was observed by H&E staining. The results showed that the levels of gene and protein catalyzing lipogenesis were increased (SREBP1, ACC1 and FAS), while those catalyzing lipolysis were decreased (ATGL, HSL and ZAG), accompanied by dyslipidemia, insulin resistance and hepatic fat accumulation, and there were higher expression of TLR4 and NF-κB protein and lower expression of ERα protein in liver, and increased serum IL-17 and TNF-α levels in fructose and/or BPA exposed rats compared with controls. Moreover, the above indicators were more serious in combined exposure group than in single exposure group. Therefore, abnormal lipid metabolism in the liver of developmental rats could be exacerbated by combined exposed to fructose and BPA.
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Affiliation(s)
- Ren Lin
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Yue Jia
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Fengjuan Wu
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Yuan Meng
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Qi Sun
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
| | - Lihong Jia
- Department of Child and Adolescent Health, School of Public Health, China Medical University, Shenyang 110122, China.
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12
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Kim MJ, Sim DY, Lee HM, Lee HJ, Kim SH. Hypolipogenic Effect of Shikimic Acid Via Inhibition of MID1IP1 and Phosphorylation of AMPK/ACC. Int J Mol Sci 2019; 20:ijms20030582. [PMID: 30700011 PMCID: PMC6387373 DOI: 10.3390/ijms20030582] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 01/24/2019] [Accepted: 01/28/2019] [Indexed: 02/06/2023] Open
Abstract
Although shikimic acid from Illicium verum has antioxidant, antibacterial, anti-inflammatory, and analgesic effects, the effect of shikimic acid on lipogenesis has not yet been explored. Thus, in the present study, hypolipogenic mechanism of shikimic acid was examined in HepG2, Huh7 and 3T3-L1 adipocyte cells. Shikimic acid showed weak cytotoxicity in HepG2, Huh7 and 3T3-L1 cells, but suppressed lipid accumulation in HepG2, Huh7 and 3T3-L1 cells by Oil Red O staining. Also, shikimic acid attenuated the mRNA expression of de novo lipogenesis related genes such as FAS, SREBP-1c, and LXR-α in HepG2 cells by RT-PCR analysis and suppressed the protein expression of SREBP-1c and LXR-α in HepG2 and 3T3-L1 cells. It should be noted that shikimic acid activated phosphorylation of AMP-activated protein kinase (AMPK)/Aacetyl-coenzyme A carboxylase (ACC) and reduced the expression of MID1 Interacting Protein 1 (MID1IP1) in HepG2, Huh7 and 3T3-L1 cells. Conversely, depletion of MID1IP1 activated phosphorylation of AMPK, while overexpression of MID1IP1 suppressed phosphorylation of AMPK in HepG2 cells. However, AMPK inhibitor compound c did not affect the expression of MID1IP1, indicating MID1IP1 as an upstream of AMPK. Taken together, our findings suggest that shikimic acid has hypolipogenic effect in HepG2 and 3T3-L1 cells via phosphorylation of AMPK/ACC and inhibition of MID1IP1 as a potent candidate for prevention or treatment of fatty liver and hyperlipidemia.
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Affiliation(s)
- Moon Joon Kim
- College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea.
| | - Deok Yong Sim
- College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea.
| | - Hye Min Lee
- College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea.
| | - Hyo-Jung Lee
- College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea.
| | - Sung-Hoon Kim
- College of Korean Medicine, Kyung Hee University, Seoul 02447, Korea.
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13
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Silva-Vignato B, Coutinho LL, Poleti MD, Cesar ASM, Moncau CT, Regitano LCA, Balieiro JCC. Gene co-expression networks associated with carcass traits reveal new pathways for muscle and fat deposition in Nelore cattle. BMC Genomics 2019; 20:32. [PMID: 30630417 PMCID: PMC6329100 DOI: 10.1186/s12864-018-5345-y] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2018] [Accepted: 11/30/2018] [Indexed: 01/15/2023] Open
Abstract
BACKGROUND Positively correlated with carcass weight and animal growth, the ribeye area (REA) and the backfat thickness (BFT) are economic important carcass traits, which impact directly on producer's payment. The selection of these traits has not been satisfactory since they are expressed later in the animal's life and multigene regulated. So, next-generation technologies have been applied in this area to improve animal's selection and better understand the molecular mechanisms involved in the development of these traits. Correlation network analysis, performed by tools like WGCNA (Weighted Correlation Network Analysis), has been used to explore gene-gene interactions and gene-phenotype correlations. Thus, this study aimed to identify putative candidate genes and metabolic pathways that regulate REA and BFT by constructing a gene co-expression network using WGCNA and RNA sequencing data, to better understand genetic and molecular variations behind these complex traits in Nelore cattle. RESULTS The gene co-expression network analysis, using WGCNA, were built using RNA-sequencing data normalized by transcript per million (TPM) from 43 Nelore steers. Forty-six gene clusters were constructed, between them, three were positively correlated (p-value< 0.1) to the BFT (Green Yellow, Ivory, and Light Yellow modules) and, one cluster was negatively correlated (p-value< 0.1) with REA (Salmon module). The enrichment analysis performed by DAVID and WebGestalt (FDR 5%) identified eight Gene Ontology (GO) terms and three KEGG pathways in the Green Yellow module, mostly associated with immune response and inflammatory mechanisms. The enrichment of the Salmon module demonstrated 19 GO terms and 21 KEGG pathways, related to muscle energy metabolism, lipid metabolism, muscle degradation, and oxidative stress diseases. The Ivory and Light yellow modules have not shown significant results in the enrichment analysis. CONCLUSION With this study, we verified that inflammation and immune response pathways modulate the BFT trait. Energy and lipid metabolism pathways, highlighting fatty acid metabolism, were the central pathways associated with REA. Some genes, as RSAD2, EIF2AK2, ACAT1, and ACSL1 were considered as putative candidate related to these traits. Altogether these results allow us to a better comprehension of the molecular mechanisms that lead to muscle and fat deposition in bovine.
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Affiliation(s)
- Bárbara Silva-Vignato
- College of Agriculture "Luiz de Queiroz", University of São Paulo, Piracicaba, SP, 13418-900, Brazil.
| | - Luiz L Coutinho
- College of Agriculture "Luiz de Queiroz", University of São Paulo, Piracicaba, SP, 13418-900, Brazil
| | - Mirele D Poleti
- College of Animal Science and Food Engineering, University of São Paulo, Pirassununga, SP, 13635-900, Brazil
| | - Aline S M Cesar
- College of Agriculture "Luiz de Queiroz", University of São Paulo, Piracicaba, SP, 13418-900, Brazil
| | | | | | - Júlio C C Balieiro
- College of Veterinary Medicine and Animal Science, University of São Paulo, Pirassununga, SP, 13635-900, Brazil
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Lin R, Wu D, Wu FJ, Meng Y, Zhang JH, Wang XG, Jia LH. Non-alcoholic Fatty Liver Disease Induced by Perinatal Exposure to Bisphenol a Is Associated With Activated mTOR and TLR4/NF-κB Signaling Pathways in Offspring Rats. Front Endocrinol (Lausanne) 2019; 10:620. [PMID: 31551937 PMCID: PMC6746910 DOI: 10.3389/fendo.2019.00620] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
Accumulating evidence suggests a role of bisphenol A (BPA) in non-alcoholic fatty liver disease (NAFLD), and its mechanism may be related to the up-regulation of lipogenic genes, but the mechanism of BPA induced lipogenic gene expression remains unknown. The aim of this study was to investigate the effects of perinatal exposure to BPA on NAFLD and its mechanisms. Pregnant Sprague-Dawley rats had access to drinking water containing 1 or 10 μg/ml BPA from gestational day 6 to post-natal day 21. For 5 weeks after weaning, offspring drank normal water without BPA. Body weight, lipid profile and the expression of genes or proteins involved in mTOR mediated lipid metabolism and autophagy, as well as inflammatory response were investigated in the 8-wk-old offspring of different genders. The results showed that body weight was increased only in females, however, males, and females from dams treated with BPA had significantly excess visceral adipose tissue, which was consistent with adipocyte hypertrophy. Elevated TG levels and up-regulation of lipogenic genes or proteins in liver, such as sterol regulatory element binding protein 1 (SREBP1), acetyl-CoA carboxylase 1 (ACC1), and fatty acid synthase (FAS) were consistent with increased liver lipid droplets in offspring exposed to BPA. Compared with controls, the protein levels of InsR, p-IRS-1, IRS-1, TSC1, and TSC2 were decreased, p-PI3K, p-Akt (S473), p-Akt (T308), p-mTOR, and mTOR were increased, and the impaired autophagic degradation was evidenced by increased protein levels of p62, although the levels of p-ULK1, Beclin1, and LC3B proteins were increased in liver of BPA-exposed offspring. The levels of TLR4 and NF-κB proteins were also significantly increased, and ERα protein was significantly decreased in BPA-exposed offspring. Our findings indicate that perinatal exposure to BPA causes the development of NAFLD in both female and male offspring, which is associated with up-regulation of lipogenic genes, dysregulated autophagy and activated inflammatory response involving the PI3K/Akt/mTOR and TLR4/NF-κB pathways.
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