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Brown LH, Mutch DM. Mechanisms underlying N3-PUFA regulation of white adipose tissue endocrine function. Curr Opin Pharmacol 2020; 52:40-46. [PMID: 32504953 DOI: 10.1016/j.coph.2020.04.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 12/11/2022]
Abstract
Omega-3 polyunsaturated fatty acids (N3-PUFA) are widely reported to improve obesity-associated metabolic impairments, in part, through the regulation of adipokine and cytokine secretion from white adipose tissue (WAT). However, the precise underlying molecular mechanisms by which N3-PUFA influence WAT endocrine function remain poorly described. Available evidence supports that N3-PUFA and related bioactive lipid mediators regulate several intracellular pathways that converge on two important transcription factors: PPAR-γ and NF-κB. Further, N3-PUFA signaling through GPR120 appears integral for the regulation of adipokine and cytokine production. This review collates insights from in vitro and in vivo studies using genetic and chemical inhibition of key signaling proteins to describe the pathways by which N3-PUFA regulate WAT endocrine function. Existing gaps in knowledge and opportunities to advance our understanding in this area are also highlighted.
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Affiliation(s)
- Liam H Brown
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - David M Mutch
- Department of Human Health and Nutritional Sciences, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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Senatorov IS, Cheshmehkani A, Burns RN, Singh K, Moniri NH. Carboxy-Terminal Phosphoregulation of the Long Splice Isoform of Free-Fatty Acid Receptor-4 Mediates β-Arrestin Recruitment and Signaling to ERK1/2. Mol Pharmacol 2020; 97:304-313. [PMID: 32132133 DOI: 10.1124/mol.119.117697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Accepted: 01/31/2020] [Indexed: 12/13/2022] Open
Abstract
Free-fatty acid receptor-4 (FFA4), previously termed GPR120, is a G protein-coupled receptor (GPCR) for medium and long-chained fatty acids, agonism of which can regulate a myriad of metabolic, sensory, inflammatory, and proliferatory signals. Two alternative splice isoforms of FFA4 exist that differ by the presence of an additional 16 amino acids in the longer (FFA4-L) transcript, which has been suggested to be an intrinsically β-arrestin-biased GPCR. Although the shorter isoform (FFA4-S) has been studied more extensively, very little is known about mechanisms of regulation or signaling of the longer isoform. Because β-arrestin recruitment is dependent on receptor phosphorylation, in the current study, we used the endogenous agonist docosahexaenoic acid (DHA) to examine the mechanisms of FFA4-L phosphorylation, as well as DHA-dependent β-arrestin recruitment and DHA-dependent extracellular-signal regulated kinase-1/2 (ERK1/2) signaling in human embryonic kidney 293 cells. Our results reveal differences in basal phosphorylation of the two FFA4 isoforms, and we show that DHA-mediated phosphorylation of FFA4-L is primarily regulated by G protein-coupled receptor kinase 6, whereas protein kinase-C can also contribute to agonist-induced and heterologous phosphorylation. Moreover, our data demonstrate that FFA4-L phosphorylation occurs on the distal C terminus and is directly responsible for recruitment and interactions with β-arrestin-2. Finally, using CRISPR/Cas9 genome-edited cells, our data reveal that unlike FFA4-S, the longer isoform is unable to facilitate phosphorylation of ERK1/2 in cells that are devoid of β-arrestin-1/2. Together, these results are the first to demonstrate phosphoregulation of FFA4-L as well as the effects of loss of phosphorylation sites on β-arrestin recruitment and ERK1/2 activation. SIGNIFICANCE STATEMENT: Free-fatty acid receptor-4 (FFA4) is a cell-surface G protein-coupled receptor for medium and long-chained fatty acids that can be expressed as distinct short (FFA4-S) or long (FFA4-L) isoforms. Although much is known about FFA4-S, the longer isoform remains virtually unstudied. Here, we reveal the mechanisms of docosahexaenoic acid-induced phosphorylation of FFA4-L and subsequent β-arrestin-2 recruitment and extracellular-signal regulated kinase-1/2 activity.
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Affiliation(s)
- Ilya S Senatorov
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, Georgia
| | - Ameneh Cheshmehkani
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, Georgia
| | - Rebecca N Burns
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, Georgia
| | - Kirti Singh
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, Georgia
| | - Nader H Moniri
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, Georgia
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Zhao X, Schindell B, Li W, Ni L, Liu S, Wijerathne CUB, Gong J, Nyachoti CM, O K, Yang C. Distribution and localization of porcine calcium sensing receptor in different tissues of weaned piglets1. J Anim Sci 2019; 97:2402-2413. [PMID: 30887022 DOI: 10.1093/jas/skz096] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 03/18/2019] [Indexed: 02/06/2023] Open
Abstract
Taste receptors including calcium sensing receptor (CaSR) are expressed in various animal tissues, and CaSR plays important roles in nutrient sensing and the physiology, growth, and development of animals. However, molecular distribution of porcine CaSR (pCaSR) in different tissues, especially along the longitudinal axis of the digestive tract in weaned piglets, is still unknown. In the present study, we investigated the distribution and localization of pCaSR in the different tissues including intestinal segments of weaned piglets. Six male pigs were anesthetized and euthanized. Different tissues such as intestinal segments were collected. The pCaSR mRNA abundance, protein abundance, and localization were measured by real-time PCR, Western blotting, and immunohistochemistry, respectively. The mRNA and protein of pCaSR were detected in the kidney, lung, liver, stomach, duodenum, jejunum, ileum, and colon. The pCaSR mRNA was much higher (five to 180 times) in the kidney when compared with other tissues (P < 0.05). The ileum had higher pCaSR mRNA and protein abundances than the stomach, duodenum, jejunum, and colon (P < 0.05). Immunohistochemical staining results indicated that the pCaSR protein was mostly located in the epithelia of the stomach, duodenum, jejunum, ileum, and colon. These results demonstrate that pCaSR is widely expressed in different tissues including intestinal segments in weaned piglets and the ileum has a higher expression level of pCaSR. Further research is needed to confirm the expression of CaSR in the different types of epithelial cells isolated from weaned piglets and characterize the functions of pCaSR, its potential ligands and cell signaling pathways related to CaSR activation in enteroendocrine cells and potentially in enterocytes.
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Affiliation(s)
- Xiaoya Zhao
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
| | - Brayden Schindell
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
| | - Weiqi Li
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
| | - Liju Ni
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada.,Shanghai Lab-Animal Research Center, Shanghai, China
| | - Shangxi Liu
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
| | - Charith U B Wijerathne
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada.,CCARM, St. Boniface Hospital Research Centre, Winnipeg, MB, Canada
| | - Joshua Gong
- Guelph Research and Development Centre, Agriculture Agri-Food Canada, Guelph, ON, Canada
| | - C Martin Nyachoti
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
| | - Karmin O
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada.,CCARM, St. Boniface Hospital Research Centre, Winnipeg, MB, Canada
| | - Chengbo Yang
- Department of Animal Science, University of Manitoba, Winnipeg, MB, Canada
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Maillard V, Desmarchais A, Durcin M, Uzbekova S, Elis S. Docosahexaenoic acid (DHA) effects on proliferation and steroidogenesis of bovine granulosa cells. Reprod Biol Endocrinol 2018; 16:40. [PMID: 29699561 PMCID: PMC5918968 DOI: 10.1186/s12958-018-0357-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 04/18/2018] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Docosahexaenoic acid (DHA) is a n-3 polyunsaturated fatty acid (PUFA) belonging to a family of biologically active fatty acids (FA), which are known to have numerous health benefits. N-3 PUFAs affect reproduction in cattle, and notably directly affect follicular cells. In terms of reproduction in cattle, n-3 PUFA-enriched diets lead to increased follicle size or numbers. METHODS The objective of the present study was to analyze the effects of DHA (1, 10, 20 and 50 μM) on proliferation and steroidogenesis (parametric and/or non parametric (permutational) ANOVA) of bovine granulosa cells in vitro and mechanisms of action through protein expression (Kruskal-Wallis) and signaling pathways (non parametric ANOVA) and to investigate whether DHA could exert part of its action through the free fatty acid receptor 4 (FFAR4). RESULTS DHA (10 and 50 μM) increased granulosa cell proliferation and DHA 10 μM led to a corresponding increase in proliferating cell nuclear antigen (PCNA) expression level. DHA also increased progesterone secretion at 1, 20 and 50 μM, and estradiol secretion at 1, 10 and 20 μM. Consistent increases in protein levels were also reported for the steroidogenic enzymes, cytochrome P450 family 11 subfamily A member 1 (CYP11A1) and hydroxy-delta-5-steroid dehydrogenase, 3 beta- and steroid delta-isomerase 1 (HSD3B1), and of the cholesterol transporter steroidogenic acute regulatory protein (StAR), which are necessary for production of progesterone or androstenedione. FFAR4 was expressed in all cellular types of bovine ovarian follicles, and in granulosa cells it was localized close to the cellular membrane. TUG-891 treatment (1 and 50 μM), a FFAR4 agonist, increased granulosa cell proliferation and MAPK14 phosphorylation in a similar way to that observed with DHA treatment. However, TUG-891 treatment (1, 10 and 50 μM) showed no effect on progesterone or estradiol secretion. CONCLUSIONS These data show that DHA stimulated proliferation and steroidogenesis of bovine granulosa cells and led to MAPK14 phosphorylation. FFAR4 involvement in DHA effects requires further investigation, even if our data might suggest FFAR4 role in DHA effects on granulosa cell proliferation. Other mechanisms of DHA action should be investigated as the steroidogenic effects seemed to be independent of FFAR4 activation.
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Affiliation(s)
- Virginie Maillard
- 0000 0001 2182 6141grid.12366.30UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380 Nouzilly, France
- 0000 0004 0385 4036grid.464126.3INRA Centre Val de Loire, Physiologie de la Reproduction et des Comportements, 37380 Nouzilly, France
| | - Alice Desmarchais
- 0000 0001 2182 6141grid.12366.30UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380 Nouzilly, France
| | - Maeva Durcin
- 0000 0001 2182 6141grid.12366.30UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380 Nouzilly, France
| | - Svetlana Uzbekova
- 0000 0001 2182 6141grid.12366.30UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380 Nouzilly, France
| | - Sebastien Elis
- 0000 0001 2182 6141grid.12366.30UMR PRC, CNRS, IFCE, INRA, Université de Tours, 37380 Nouzilly, France
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Roura E, Fu M. Taste, nutrient sensing and feed intake in pigs (130 years of research: then, now and future). Anim Feed Sci Technol 2017. [DOI: 10.1016/j.anifeedsci.2017.08.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Yamada H, Umemoto T, Kakei M, Momomura SI, Kawakami M, Ishikawa SE, Hara K. Eicosapentaenoic acid shows anti-inflammatory effect via GPR120 in 3T3-L1 adipocytes and attenuates adipose tissue inflammation in diet-induced obese mice. Nutr Metab (Lond) 2017; 14:33. [PMID: 28503189 PMCID: PMC5422876 DOI: 10.1186/s12986-017-0188-0] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 05/01/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Saturated fatty acids have been shown to cause insulin resistance and low-grade chronic inflammation, whereas unsaturated fatty acids suppress inflammation via G-protein coupled receptor 120 (GPR120) in macrophages. However, the anti-inflammatory effects of unsaturated fatty acids in adipocytes have yet to be elucidated. Hence, the aims of the present study were to evaluate the anti-inflammatory effects of eicosapentaenoic acid (EPA) via GPR120 in adipocytes. METHODS We used 250 μM palmitate as a representative saturated fatty acid. 3T3-L1 adipocytes were used for in vitro studies. We further evaluated the effect of EPA supplementation in a high-fat/high-sucrose (HFHS) diet-induced adipose tissue inflammatory mouse model. RESULTS EPA attenuated palmitate-induced increases in inflammatory gene expression and NF-κB phosphorylation in 3T3-L1 adipocytes. Silencing of GPR120 abolished the anti-inflammatory effects of EPA. In GPR120 downstream signal analysis, EPA was found to decrease palmitate-induced increases in TAK1/TAB1 complex expression. EPA supplementation suppressed HFHS-induced crown-like structure formation in epididymal adipose tissue and altered macrophage phenotypes from M1 to M2 in the stromal vascular fraction. Moreover, the EPA-containing diet attenuated increases in adipose p-JNK and phospho-p65 NF-κB levels. CONCLUSIONS In conclusion, the findings of the present study demonstrate that EPA suppresses palmitate-induced inflammation via GPR120 by inhibiting the TAK1/TAB1 interaction in adipocytes. EPA supplementation reduced HFHS diet-induced inflammatory changes in mouse adipose tissues. These results demonstrate adipose GPR120 as a potential therapeutic target for decreasing inflammation.
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Affiliation(s)
- Hodaka Yamada
- First Department of Comprehensive Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya, Saitama 330-8503 Japan
| | - Tomio Umemoto
- First Department of Comprehensive Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya, Saitama 330-8503 Japan
| | - Masafumi Kakei
- First Department of Comprehensive Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya, Saitama 330-8503 Japan
| | - Shin-Ichi Momomura
- First Department of Comprehensive Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya, Saitama 330-8503 Japan
| | - Masanobu Kawakami
- Internal Medicine, Nerima Hikarigaoka Hospital, 2-11-1 Hikarigaoka, Nerima, Tokyo, 179-0072 Japan
| | - San-E Ishikawa
- Division of Endocrinology and Metabolism, International University of Health and Welfare Hospital, 537-3 Iguchi, Nasushiobara, Tochigi 329-2763 Japan
| | - Kazuo Hara
- First Department of Comprehensive Medicine, Jichi Medical University Saitama Medical Center, 1-847 Amanumacho, Omiya, Saitama 330-8503 Japan
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Insulinotropic effects of GPR120 agonists are altered in obese diabetic and obese non-diabetic states. Clin Sci (Lond) 2016; 131:247-260. [PMID: 27980130 DOI: 10.1042/cs20160545] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 12/13/2016] [Accepted: 12/15/2016] [Indexed: 02/06/2023]
Abstract
G-protein-coupled receptor 120 (GPR120) is a putative target for obesity and diabetes therapies. However, it remains controversial whether resident GPR120 plays a direct regulatory role in islet β-cell insulin secretion. The present study examined this issue in isolated rodent islets and rat β-cell line INS-1E, and assessed the role of GPR120 in islet insulin secretion in obese non-diabetic (OND) and diabetic states. GPR120 expression was detected in rodent islet β-cells. Docosahexaenoic acid (DHA) and synthetic GPR120 agonist GSK137647 (GSK) augmented insulin release from rat/mouse islets and INS-1E; DHA effects were partially mediated by GPR40. GPR120 knockdown and overexpression attenuated and enhanced DHA effects in INS-1E respectively. DHA and GSK improved postprandial hyperglycaemia of diabetic mice. Inhibition of calcium signalling in INS-1E reduced GPR120 activation-induced insulinotropic effects. The insulinotropic effects of DHA/GSK were amplified in OND rat islets, but diminished in diabetic rat islets. GPR120 and peroxisome proliferator-activated receptor γ (PPARγ) expression were elevated in OND islets and palmitic acid (PA)-treated INS-1E, but reduced in diabetic islets and high glucose-treated INS-1E. PPARγ activation increased GPR120 expression in rat islets and INS-1E. DHA and GSK induced protein kinase B (Akt)/extracellular signal-regulated kinase (ERK) phosphorylation in rodent islets and INS-1E, and these effects were altered in OND and diabetic states. Taken together, the present study indicates that (i) GPR120 activation has an insulinotropic influence on β-cells with the involvement of calcium signalling; (ii) GPR120 expression in β-cells and GPR120-mediated insulinotropic effects are altered in OND and diabetic states in distinct ways, and these alterations may be mediated by PPARγ.
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Invited review: nutrient-sensing receptors for free fatty acids and hydroxycarboxylic acids in farm animals. Animal 2016; 11:1008-1016. [PMID: 27829484 DOI: 10.1017/s175173111600238x] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Data on nutrient sensing by free fatty acid receptors (FFAR1, FFAR2, FFAR3, FFAR4) and hydroxycarboxylic acid receptors (HCAR1, HCAR2) are increasing for human or rodent models. Both receptor families link intestinal fermentation by the microbiota and energy metabolism with cellular responses. Therefore, this finding provides a link that is independent of the only function of the fermentation products as energy substrates. For example, these reactions are associated with insulin secretion, regulation of lipolysis, adipose tissue differentiation and innate immune responses. In farm animals, the available data on both receptor families from the intestine and other tissues increase. However, currently, the data are primarily linked with the distribution of receptor messenger RNAs (mRNAs) and more rarely with proteins. Functional data on the importance of these receptors in farm animal species is not abundant and is often associated with the immune system. In certain farm animal species, the receptors were cloned and ligand binding was characterised. In chicken, only one FFAR2 was recently identified using genome analysis, which is contradictory to a study using an FFAR1 small interfering RNA. The chicken FFAR2 is composed of more than 20 paralogs. No data on HCAR1 or HCAR2 exist in this species. Currently, in pigs, most available data are on the mRNA distribution within intestine. However, no FFAR1 expression has been shown in this organ to date. In addition to FFAR2, an orthologue (FFAR2-like) with the highest abundance in intestine has been reported. The data on HCAR1 and HCAR2 in pigs is scarce. In ruminants, most of the currently available information on receptor distribution is linked to mRNA data and shows the expression, for example, in mammary gland and adipose tissue. However, some protein data on FFAR2 and FFAR1 protein has been reported and functional data availability is slowly increasing. The receptor mRNAs of HCAR1 and HCAR2 are expressed in bovine. The HCAR2 protein has been demonstrated in certain tissues, such as liver and fat. Because of the physiological importance of both receptor families in human life science, more studies that analyse the physiological significance of both receptor families in animal science may be performed within the next several years.
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Song T, Zhou Y, Peng J, Tao YX, Yang Y, Xu T, Peng J, Ren J, Xiang Q, Wei H. GPR120 promotes adipogenesis through intracellular calcium and extracellular signal-regulated kinase 1/2 signal pathway. Mol Cell Endocrinol 2016; 434:1-13. [PMID: 27302893 DOI: 10.1016/j.mce.2016.06.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 05/24/2016] [Accepted: 06/04/2016] [Indexed: 12/22/2022]
Abstract
Numerous researches have demonstrated that GPR120 (also called FFAR4) exerts novel functions in insulin resistance and adipogenesis. However, the molecular mechanism of GPR120-mediated adipogenic differentiation is still unclear. This study was aimed to interpret the relevant function mechanism of GPR120 in the differentiation of 3T3-L1 adipocytes. The results showed that GPR120 expression was dramatically increased along with the adipogenic differentiation of 3T3-L1 adipocytes and the adipogenic ability was significantly inhibited in shGPR120-transfected cells. TUG-891, a selective agonist of GPR120, promoted the intracellular triglyceride accumulation in a dose-dependent manner and did not enhance adipogenesis in shGPR120-transfected cells. Markedly, TUG-891 increased the activation of PPARγ in a GPR120-dependent pathway as assessed by luciferase reporter assay. Furthermore, in the adipogenic differentiation process of 3T3-L1 adipocytes, TUG-891 increased the [Ca(2+)]i and phosphorylation level of ERK1/2. Pretreatment with inhibitors of either ERK1/2 (U0126) or [Ca(2+)]i (BAPTA-AM) notably attenuated the GPR120-mediated adipogenesis. These results show that GPR120 promotes adipogenesis by increasing PPARγ expression via [Ca(2+)]i and ERK1/2 signal pathway in 3T3-L1 adipocytes.
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Affiliation(s)
- Tongxing Song
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Yuanfei Zhou
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Jian Peng
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Ya-Xiong Tao
- Department of Anatomy, Physiology and Pharmacology, College of Veterinary Medicine, Auburn University, AL, 36849, USA
| | - Yang Yang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Tao Xu
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Jie Peng
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Jiao Ren
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Quanhang Xiang
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China
| | - Hongkui Wei
- Department of Animal Nutrition and Feed Science, College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, 430070, China; The Cooperative Innovation Center for Sustainable Pig Production, Wuhan, 430070, China.
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Ran T, Li H, Liu Y, Zhou C, Tang S, Han X, Wang M, He Z, Kang J, Yan Q, Tan Z, Beauchemin KA. Cloning, Phylogenetic Analysis, and Distribution of Free Fatty Acid Receptor GPR120 Expression along the Gastrointestinal Tract of Housing versus Grazing Kid Goats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:2333-2341. [PMID: 26914739 DOI: 10.1021/acs.jafc.5b06131] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
G-protein-coupled receptor 120 (GPR120) is reported as a long-chain fatty acid (LCFA) receptor that elicits free fatty acid (FFA) regulation on metabolism homeostasis. The study aimed to clone the gpr120 gene of goats (g-GPR120) and subsequently investigate phylogenetic analysis and tissue distribution throughout the digestive tracts of kid goats, as well as the effect of housing versus grazing (H vs G) feeding systems on GPR120 expression. Partial coding sequence (CDS) of g-GPR120 was cloned and submitted to NCBI (accession no. KU161270 ). Phylogenetic analysis revealed that g-GPR120 shared higher homology in both mRNA and amino acid sequences for ruminants than nonruminants. Immunochemistry, real-time PCR, and Western blot analysis showed that g-GPR120 was expressed throughout the digestive tracts of goats. The expression of g-GPR120 was affected by feeding system and age, with greater expression of g-GPR120 in the G group. It was concluded that the g-GPR120-mediated LCFA chemosensing mechanism is widely present in the tongue and gastrointestinal tract of goats and that its expression can be affected by feeding system and age.
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Affiliation(s)
- Tao Ran
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
- Graduate University of the Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Hengzhi Li
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
- Graduate University of the Chinese Academy of Sciences , Beijing 100049, People's Republic of China
| | - Yong Liu
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México , Toluca, Estado de México C.P. 50090, Mexico
| | - Chuanshe Zhou
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Shaoxun Tang
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Xuefeng Han
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Min Wang
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Zhixiong He
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
- Lethbridge Research Centre, Agriculture and Agri-Food Canada , Lethbridge, Alberta T1J 4B1, Canada
| | - Jinghe Kang
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Qiongxian Yan
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Zhiliang Tan
- Key Laboratory for Agro-Ecological Processes in Subtropical Region and South-Central Experimental Station of Animal Nutrition and Feed Science in Ministry of Agriculture, Institute of Subtropical Agriculture, Chinese Academy of Sciences , Changsha, Hunan 410125, People's Republic of China
| | - Karen A Beauchemin
- Lethbridge Research Centre, Agriculture and Agri-Food Canada , Lethbridge, Alberta T1J 4B1, Canada
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