1
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Takai M, Yamamoto M, Yashiro N, Tamura M, Taniguchi A, Nagano S, Kusumoto Y, Tsujiuchi T. FFAR-mediated signaling drives migration of pancreatic cancer cells in hypoxic fibroblast co-cultures. Biochem Biophys Res Commun 2024; 727:150322. [PMID: 38945064 DOI: 10.1016/j.bbrc.2024.150322] [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: 06/14/2024] [Accepted: 06/26/2024] [Indexed: 07/02/2024]
Abstract
The tumor microenvironment (TME) comprises cancer and non-cancerous stromal cells, including fibroblasts. Free fatty acids (FFAs) regulate various biological responses by binding to G protein-coupled FFA receptors (FFARs). In this study, we examined the impact of FFAR1 and FFAR4 on the cell migration of pancreatic cancer PANC-1 cells co-cultured with 3T3 fibroblast cells under hypoxic conditions. PANC-1 cells cultured at 1 % O2 exhibited elevated FFAR1 expression and decreased FFAR4 expression compared to those at 21 % O2. Cell migration of PANC-1 cells was reduced under 1 % O2 conditions. FFAR1 knockdown enhanced PANC-1 cell migration, whereas FFAR4 knockdown inhibited it. Co-culture of PANC-1 cells with 3T3 cells at 1 % O2 significantly increased FFAR4 expression, while FFAR1 expression remained unchanged. To evaluate the effects of FFAR1 and FFAR4 on PANC-1 cell migration in co-culture with 3T3 cells, we conducted a wound healing assay using the Culture-Insert 2 Well. PANC-1 and 3T3 cells were individually seeded into the two wells and incubated at both 21 % and 1 % O2 for 13 h. The cell migration of PANC-1 cells co-cultured with 3T3 cells at 1 % O2 was notably higher compared to 21 % O2. TUG-770 reduced and TUG-891 enhanced the cell migration of PANC-1 cells co-cultured with 3T3 cells under both 21 % and 1 % O2 conditions. These findings suggest that FFAR1 and FFAR4 play important roles in regulating the cell migration of PANC-1 cells co-cultured with 3T3 cells under hypoxic conditions.
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Affiliation(s)
- Miwa Takai
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Mao Yamamoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Narumi Yashiro
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Moemi Tamura
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Anri Taniguchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Shion Nagano
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Yuka Kusumoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan.
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2
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Yashiro N, Takai M, Yamamoto M, Amano Y, Hara K, Tsujiuchi T. Effects of free fatty acid receptor (FFAR) signaling on the modulation of cancer cell functions under hypoxic conditions. Biochem Biophys Res Commun 2024; 699:149554. [PMID: 38280308 DOI: 10.1016/j.bbrc.2024.149554] [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: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 01/29/2024]
Abstract
In the tumor environment, hypoxia promotes tumor progression, such as cancer cell growth, migration and chemoresistance. This study aimed to evaluate the roles of free fatty acid receptors (FFARs) in the regulation of cancer cell functions under hypoxic conditions, using fibrosarcoma HT1080 cells. HT1080 cells expressed FFAR1, FFAR2 and FFAR3 genes, but not FFAR4 gene. FFAR1, FFAR2 and FFAR3 expression levels in HT1080 cells cultured at 1 % O2 were elevated, compared with 21 % O2. The cell growth activities of HT1080 cells cultured at 21 % O2 were inhibited by acetic acid (AA) and propanoic acid (PA), but not 1 % O2. HT1080 cell motility was markedly reduced by culturing at 1 % O2. The cell growth and motility of HT1080 cells were enhanced by FFAR2 knockdown. The cell viability to cisplatin (CDDP) of HT1080 cells cultured at 1 % O2 was increased, compared with 21 % O2. FFAR2 knockdown suppressed the cell viability to CDDP of HT1080 cells. On the other hand, the cell motility and viability to CDDP of HT1080 cells cultured at 21 % O2 were suppressed by TUG-770. When HT1080 cells were cultured at 1 % O2, the cell motility and viability to CDDP were decreased, correlating with FFAR1 expression level. Moreover, FFAR1 knockdown increased the cell viability to CDDP of HT1080 cells cultured at 1 % O2. These results suggest that FFAR-mediated signaling plays an important role in the modulation of cellular functions of HT1080 cells under hypoxic conditions.
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Affiliation(s)
- Narumi Yashiro
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Miwa Takai
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Mao Yamamoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Yuka Amano
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Koki Hara
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan.
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3
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Kurisu R, Takai M, Takamoto M, Tsujiuchi T. Effects of free fatty acid receptor-2 (FFAR2)-mediated signaling on the regulation of cellular functions in osteosarcoma cells. Biochem Biophys Res Commun 2023; 646:56-62. [PMID: 36706706 DOI: 10.1016/j.bbrc.2023.01.067] [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: 01/12/2023] [Accepted: 01/20/2023] [Indexed: 01/22/2023]
Abstract
G protein coupled free fatty acid receptors (FFARs) are involved in the pathogenesis of several human diseases. FFAR2 and FFAR3 are activated by the binding of short-chain fatty acids (SCFAs). This study aimed to evaluate the roles of FFAR2 in the regulation of cellular functions in osteosarcoma HOS cells, using acetic acid and propanoic acid as FFAR2 and FFAR3 agonists. FFAR2 and FFAR3 genes were expressed in HOS cells. The cell motile activity of HOS cells was significantly stimulated by acetic acid and propanoic acid. In contrast, acetic acid and propanoic acid had no impact on the activation of matrix metalloproteinase-2 (MMP-2) and MMP-9. In cell survival assay, the cell survival rate to cisplatin (CDDP) of HOS cells was elevated by acetic acid and propanoic acid. To assess the effects of FFAR2 on cellular functions, FFAR2 knockdown (HOS-FFAR2) cells were generated from HOS cells. The cell motile activity of HOS-FFAR2 cells was enhanced by acetic acid and propanoic acid. In the presence of acetic acid and propanoic acid, MMP-2 and MMP-9 activities were reduced in HOS-FFAR2 cells, compared with control cells. When cells were treated with acetic acid and propanoic acid, the cell survival rate to CDDP of HOS-FFAR2 cells was significantly lower than that of control cells. These results suggest that activation of FFAR2-mediated signaling is involved in the modulation of cellular functions in HOS cells.
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Affiliation(s)
- Rio Kurisu
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Miwa Takai
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Miyu Takamoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka, 577-8502, Japan.
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4
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Sun X, Chu H, Lei K, Ci Y, Lu H, Wang J, Zhou M, Ren H, Zheng T. GPR120 promotes metastasis but inhibits tumor growth in pancreatic ductal adenocarcinoma. Pancreatology 2022; 22:749-759. [PMID: 35717305 DOI: 10.1016/j.pan.2022.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 05/29/2022] [Accepted: 06/02/2022] [Indexed: 12/11/2022]
Abstract
OBJECTIVES G-protein-coupled receptor 120 (GPR120) is a long-chain unsaturated fatty acid receptor, which regulates glucose metabolism and lipid. To date, there are disputes on the roles of GPR120 in the pathogenesis of cancer. Besides, little is known about its roles in the pathogenesis of pancreatic ductal adenocarcinoma (PDAC). This study was designed to investigate the roles of GPR120 in the pathogenesis of PDAC. METHODS Immunohistochemical staining (IHC) was used for detecting the level of GPR120, epithelial-mesenchymal transformation (EMT) markers, Ki-67 and CD31 in ninety-one PDAC patients. Western blot, CCK8, flow cytometry and transwell assays were performed to determine proliferation, apoptosis, and motility in vitro. Subcutaneous tumor model was established to validate the roles of GPR120 in vivo. RESULTS GPR120 was highly expressed in PDAC tissues, which was associated with free fatty acids (FFAs), lymph node metastasis (LNM), and poor prognosis. Moreover, GPR120 activation led to down-regulation of E-cadherin and up-regulation of Snail, Vimentin, N-cadherin, MMP2, MMP9, and CD31. Additionally, GPR120 decreased the expression of P-PI3K, P-AKT and CMYC and increased the level of P-JAK2, P-STAT3, Wnt5a, total β-catenin and β-catenin in nucleus. CONCLUSIONS GPR120 promoted proliferation inhibition and apoptosis of PDAC, and contributed to PDAC metastasis via inducing EMT and angiogenesis. GPR120 served as a double-edged sword in the pathogenesis of PDAC.
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Affiliation(s)
- Xiaoyuan Sun
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Huijun Chu
- Department of Gynecology, Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Ke Lei
- Department of Gastroenterology, Center of Tumor Immunology and Cytotherapy, Medical Research Center, Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yandong Ci
- Department of Orthopedics, Qingdao Eighth People's Hospital, Qingdao, 266003, China
| | - Haijun Lu
- Department of Radiation Oncology, Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Jia Wang
- Department of Gastroenterology, Center of Tumor Immunology and Cytotherapy, Medical Research Center, Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Meng Zhou
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - He Ren
- Department of Gastroenterology, Center of Tumor Immunology and Cytotherapy, Medical Research Center, Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
| | - Tongsen Zheng
- Department of Gastrointestinal Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China.
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5
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Pardella E, Ippolito L, Giannoni E, Chiarugi P. Nutritional and metabolic signalling through GPCRs. FEBS Lett 2022; 596:2364-2381. [PMID: 35776088 DOI: 10.1002/1873-3468.14441] [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: 04/21/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 11/11/2022]
Abstract
Deregulated metabolism is a well-known feature of several challenging diseases, including diabetes, obesity and cancer. Besides their important role as intracellular bioenergetic molecules, dietary nutrients and metabolic intermediates are released in the extracellular environment. As such, they may achieve unconventional roles as hormone-like molecules by activating cell-surface G-protein-coupled receptors (GPCRs) that regulate several pathophysiological processes. In this review, we provide an insight into the role of lactate, succinate, fatty acids, amino acids, ketogenesis-derived and β-oxidation-derived intermediates as extracellular signalling molecules. Moreover, the mechanisms by which their cognate metabolite-sensing GPCRs integrate nutritional and metabolic signals with specific intracellular pathways will be described. A better comprehension of these aspects is of fundamental importance to identify GPCRs as novel druggable targets.
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Affiliation(s)
- Elisa Pardella
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Viale Morgagni 50, 50134, Florence, Italy
| | - Luigi Ippolito
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Viale Morgagni 50, 50134, Florence, Italy
| | - Elisa Giannoni
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Viale Morgagni 50, 50134, Florence, Italy
| | - Paola Chiarugi
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, Viale Morgagni 50, 50134, Florence, Italy
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6
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Zhang L, Zhao X, Chu H, Zhao H, Lai X, Li J, Lv T. Serum Free Fatty Acids and G-Coupled Protein Receptors Are Associated With the Prognosis of Epithelial Ovarian Cancer. Front Oncol 2022; 12:777367. [PMID: 35785152 PMCID: PMC9248204 DOI: 10.3389/fonc.2022.777367] [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: 09/15/2021] [Accepted: 05/18/2022] [Indexed: 12/24/2022] Open
Abstract
Purpose Fatty acid metabolism plays key role in cancer development, and free fatty acid receptors (FFARs) are involved in many cancers. However, the correlation between serum free fatty acids (FFAs)/FFARs levels and ovarian cancer (OC) prognosis remains largely unclear. Methods A retrospective review of 534 primary OC patients and 1049 women with benign ovarian tumors was performed. Serum FFA levels data were extracted from the electronic medical record system. Repeated FFA results of 101 OC patients treated with standard chemotherapy were collected. The effects of FFAs on cells migration were evaluated in OC cell lines by Transwell assay. Gene Expression Profiling Interactive Analysis (GEPIA) was used to compare FFAR mRNA expression levels in cancer and noncancer tissues. Kaplan-Meier (KM) plotter was employed to analyze their prognostic values. SPSS 23.0 and Graphpad prism 7.0 software was used for analysis and graph construction. Results FFA levels in the serum of epithelial ovarian cancer (EOC) women were higher than in women with benign ovarian tumors independent of pathology, tumor stage,and grade. FFA levels decreased gradually after chemotherapy. FFAs enhanced the migration of OVCAR3 cells. FFAR1 mRNA expression was lower in OC cells than in control cells. FFAR3 was related to a better prognosis, and FFAR4 was related to poor prognosis in TP-53wild-type and mutated type OC, while FFAR1 and FFAR2 were related to a better prognosis in TP53 wild-type OC but FFAR2 was related to a poor prognosis in TP53-mutant OC. Conclusion The FFA levels are increased in OC and decreased with chemotherapy. High expression of FFARs was related to the prognosis of OC. The prognostic value of different FFARs differs depending on whether it is a TP53 wild or TP53 mutant ovarian cancer.Targeting FFARs may be an attractive treatment strategy for EOC.
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Affiliation(s)
- Lili Zhang
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiangzhong Zhao
- Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Huijun Chu
- Department of Gynaecology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Han Zhao
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Xiaoying Lai
- Department of Nephrology, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jing Li
- Department of Nutrition, The Affiliated Hospital of Qingdao University, Qingdao, China
| | - Teng Lv
- Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, China
- *Correspondence: Teng Lv,
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7
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Rubbino F, Garlatti V, Garzarelli V, Massimino L, Spanò S, Iadarola P, Cagnone M, Giera M, Heijink M, Guglielmetti S, Arena V, Malesci A, Laghi L, Danese S, Vetrano S. GPR120 prevents colorectal adenocarcinoma progression by sustaining the mucosal barrier integrity. Sci Rep 2022; 12:381. [PMID: 35013389 PMCID: PMC8748819 DOI: 10.1038/s41598-021-03787-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 11/29/2021] [Indexed: 12/26/2022] Open
Abstract
GPR120 (encoded by FFAR4 gene) is a receptor for long chain fatty acids, activated by ω-3 Polyunsaturated Fatty Acids (PUFAs), and expressed in many cell types. Its role in the context of colorectal cancer (CRC) is still puzzling with many controversial evidences. Here, we explored the involvement of epithelial GPR120 in the CRC development. Both in vitro and in vivo experiments were conducted to mimic the conditional deletion of the receptor from gut epithelium. Intestinal permeability and integrity of mucus layer were assessed by using Evans blue dye and immunofluorescence for MUC-2 protein, respectively. Microbiota composition, presence of lipid mediators and short chain fatty acids were analyzed in the stools of conditional GPR120 and wild type (WT) mice. Incidence and grade of tumors were evaluated in all groups of mice before and after colitis-associated cancer. Finally, GPR120 expression was analyzed in 9 human normal tissues, 9 adenomas, and 17 primary adenocarcinomas. Our work for the first time highlights the role of the receptor in the progression of colorectal cancer. We observed that the loss of epithelial GPR120 in the gut results into increased intestinal permeability, microbiota translocation and dysbiosis, which turns into hyperproliferation of epithelial cells, likely through the activation of β -catenin signaling. Therefore, the loss of GPR120 represents an early event of CRC, but avoid its progression as invasive cancer. these results demonstrate that the epithelial GPR120 receptor is essential to maintain the mucosal barrier integrity and to prevent CRC developing. Therefore, our data pave the way to GPR120 as an useful marker for the phenotypic characterization of CRC lesions and as new potential target for CRC prevention.
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Affiliation(s)
- Federica Rubbino
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
| | - Valentina Garlatti
- Department of Pharmaceutical Science, Università Degli Studi del Piemonte Orientale "Amedeo Avogadro", Novara, Italy
| | | | - Luca Massimino
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- Laboratory of Gastrointestinal Immunopathology, IBD Center, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
| | - Salvatore Spanò
- Laboratory of Gastrointestinal Immunopathology, IBD Center, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
| | - Paolo Iadarola
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, Pavia, Italy
| | | | - Martin Giera
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Marieke Heijink
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Leiden, The Netherlands
| | - Simone Guglielmetti
- Division of Food Microbiology and Bioprocesses, Department of Food Environmental and Nutritional Sciences (DeFENS), Università Degli Studi Di Milano, Milan, Italy
| | - Vincenzo Arena
- Fondazione Policlinico Universitario Agostino Gemelli, IRCCS Università Cattolica del Sacro Cuore, Rome, Italy
| | - Alberto Malesci
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | - Luigi Laghi
- Laboratory of Molecular Gastroenterology, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
- Department of Medicine and Surgery, University of Parma, Parma, Italy
| | - Silvio Danese
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
- Laboratory of Gastrointestinal Immunopathology, IBD Center, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy
| | - Stefania Vetrano
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy.
- Laboratory of Gastrointestinal Immunopathology, IBD Center, IRCCS Humanitas Research Hospital, Rozzano (Mi), Italy.
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8
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Carullo G, Mazzotta S, Vega-Holm M, Iglesias-Guerra F, Vega-Pérez JM, Aiello F, Brizzi A. GPR120/FFAR4 Pharmacology: Focus on Agonists in Type 2 Diabetes Mellitus Drug Discovery. J Med Chem 2021; 64:4312-4332. [PMID: 33843223 PMCID: PMC8154576 DOI: 10.1021/acs.jmedchem.0c01002] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
![]()
The G-protein coupled receptors (GPCRs)
activated by free fatty
acids (FFAs) have emerged as new and exciting drug targets, due to
their plausible translation from pharmacology to medicines. This perspective
aims to report recent research about GPR120/FFAR4 and its involvement
in several diseases, including cancer, inflammatory conditions, and
central nervous system disorders. The focus is to highlight the importance
of GPR120 in Type 2 diabetes mellitus (T2DM). GPR120 agonists, useful
in T2DM drug discovery, have been widely explored from a structure–activity
relationship point of view. Since the identification of the first
reported synthetic agonist TUG-891, the research has paved the way
for the development of TUG-based molecules as well as new and different
chemical entities. These molecules might represent the starting point
for the future discovery of GPR120 agonists as antidiabetic drugs.
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Affiliation(s)
- Gabriele Carullo
- Department of Biotechnology, Chemistry, and Pharmacy, DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Sarah Mazzotta
- Department of Pharmaceutical Sciences, University of Milan, Via Luigi Mangiagalli 25, 20133 Milano, Italy
| | - Margarita Vega-Holm
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain
| | - Fernando Iglesias-Guerra
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain
| | - José Manuel Vega-Pérez
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Seville, Profesor García González 2, 41012 Seville, Spain
| | - Francesca Aiello
- Department of Pharmacy, Health and Nutritional Sciences, DoE 2018-2022, University of Calabria, Edificio Polifunzionale, 87036 Rende, Cosenza, Italy
| | - Antonella Brizzi
- Department of Biotechnology, Chemistry, and Pharmacy, DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
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Mazzotta S, Governa P, Borgonetti V, Marcolongo P, Nanni C, Gamberucci A, Manetti F, Pessina F, Carullo G, Brizzi A, Aiello F. Pinocembrin and its linolenoyl ester derivative induce wound healing activity in HaCaT cell line potentially involving a GPR120/FFA4 mediated pathway. Bioorg Chem 2021; 108:104657. [PMID: 33556697 DOI: 10.1016/j.bioorg.2021.104657] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 01/07/2021] [Accepted: 01/12/2021] [Indexed: 12/17/2022]
Abstract
Wound healing represents an urgent need from the clinical point of view. Several diseases result in wound conditions which are difficult to treat, such as in the case of diabetic foot ulcer. Starting from there, the medicinal research has focused on various targets over the years, including GPCRs as new wound healing drug targets. In line with this, GPR120, known to be an attractive target in type 2 diabetes drug discovery, was studied to finalize the development of new wound healing agents. Pinocembrin (HW0) was evaluated as a suitable compound for interacting with GPR120, and was hybridized with fatty acids, which are known endogenous GPR120 ligands, to enhance the wound healing potential and GPR120 interactions. HW0 and its 7-linolenoyl derivative (HW3) were found to be innovative wound healing agents. Immunofluorescence and functional assays suggested that their activity was mediated by GPR120, and docking simulations showed that the compounds could share the same pocket occupied by the known GPR120 agonist, TUG-891.
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Affiliation(s)
- Sarah Mazzotta
- Department of Pharmaceutical Sciences, Via Luigi Mangiagalli 25, 20133 Milano, Italy
| | - Paolo Governa
- Department of Biotechnology, Chemistry and Pharmacy - DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Vittoria Borgonetti
- Department of Neuroscience, Psychology, Pharmacology and Child Health (NEUROFARBA), University of Florence, Viale Pieraccini 6, 50139 Firenze, Italy
| | - Paola Marcolongo
- Department of Molecular and Developmental Medicine, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Claudio Nanni
- Department of Molecular and Developmental Medicine, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Alessandra Gamberucci
- Department of Molecular and Developmental Medicine, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Fabrizio Manetti
- Department of Biotechnology, Chemistry and Pharmacy - DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Federica Pessina
- Department of Molecular and Developmental Medicine, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Gabriele Carullo
- Department of Biotechnology, Chemistry and Pharmacy - DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy.
| | - Antonella Brizzi
- Department of Biotechnology, Chemistry and Pharmacy - DoE 2018-2022, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Francesca Aiello
- Department of Pharmacy, Health and Nutritional Sciences - DoE 2018-2022, University of Calabria, Ed. Polifunzionale, 87036 Arcavacata di Rende (CS), Italy
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10
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Cosín-Roger J, Ortiz-Masia D, Barrachina MD, Calatayud S. Metabolite Sensing GPCRs: Promising Therapeutic Targets for Cancer Treatment? Cells 2020; 9:cells9112345. [PMID: 33113952 PMCID: PMC7690732 DOI: 10.3390/cells9112345] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/21/2020] [Accepted: 10/21/2020] [Indexed: 02/07/2023] Open
Abstract
G-protein-coupled receptors constitute the most diverse and largest receptor family in the human genome, with approximately 800 different members identified. Given the well-known metabolic alterations in cancer development, we will focus specifically in the 19 G-protein-coupled receptors (GPCRs), which can be selectively activated by metabolites. These metabolite sensing GPCRs control crucial processes, such as cell proliferation, differentiation, migration, and survival after their activation. In the present review, we will describe the main functions of these metabolite sensing GPCRs and shed light on the benefits of their potential use as possible pharmacological targets for cancer treatment.
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Affiliation(s)
- Jesús Cosín-Roger
- Hospital Dr. Peset, Fundación para la Investigación Sanitaria y Biomédica de la Comunitat Valenciana, FISABIO, 46017 Valencia, Spain
- Correspondence: ; Tel.: +34-963851234
| | - Dolores Ortiz-Masia
- Departament of Medicine, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain;
| | - Maria Dolores Barrachina
- Departament of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (M.D.B.); (S.C.)
| | - Sara Calatayud
- Departament of Pharmacology and CIBER, Faculty of Medicine, University of Valencia, 46010 Valencia, Spain; (M.D.B.); (S.C.)
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11
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Vekris A, Pilalis E, Chatziioannou A, Petry KG. A Computational Pipeline for the Extraction of Actionable Biological Information From NGS-Phage Display Experiments. Front Physiol 2019; 10:1160. [PMID: 31607941 PMCID: PMC6769401 DOI: 10.3389/fphys.2019.01160] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2018] [Accepted: 08/28/2019] [Indexed: 12/20/2022] Open
Abstract
Phage Display is a powerful method for the identification of peptide binding to targets of variable complexities and tissues, from unique molecules to the internal surfaces of vessels of living organisms. Particularly for in vivo screenings, the resulting repertoires can be very complex and difficult to study with traditional approaches. Next Generation Sequencing (NGS) opened the possibility to acquire high resolution overviews of such repertoires and thus facilitates the identification of binders of interest. Additionally, the ever-increasing amount of available genome/proteome information became satisfactory regarding the identification of putative mimicked proteins, due to the large scale on which partial sequence homology is assessed. However, the subsequent production of massive data stresses the need for high-performance computational approaches in order to perform standardized and insightful molecular network analysis. Systems-level analysis is essential for efficient resolution of the underlying molecular complexity and the extraction of actionable interpretation, in terms of systemic biological processes and pathways that are systematically perturbed. In this work we introduce PepSimili, an integrated workflow tool, which performs mapping of massive peptide repertoires on whole proteomes and delivers a streamlined, systems-level biological interpretation. The tool employs modules for modeling and filtering of background noise due to random mappings and amplifies the biologically meaningful signal through coupling with BioInfoMiner, a systems interpretation tool that employs graph-theoretic methods for prioritization of systemic processes and corresponding driver genes. The current implementation exploits the Galaxy environment and is available online. A case study using public data is presented, with and without a control selection.
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Affiliation(s)
| | - Eleftherios Pilalis
- Metabolic Engineering and Bioinformatics Program, Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece.,eNIOS Applications P.C., Athens, Greece
| | - Aristotelis Chatziioannou
- Metabolic Engineering and Bioinformatics Program, Institute of Chemical Biology, National Hellenic Research Foundation, Athens, Greece.,eNIOS Applications P.C., Athens, Greece
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12
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Kleemann J, Hrgovic I, Kleimann P, Ter-Nedden J, Glaser M, Steinhorst K, Härle K, Müller J, Kaufmann R, Kippenberger S, Meissner M. G protein-coupled receptor 40 expression in human melanoma - correlation with tumour thickness, AJCC stage and survival. J Eur Acad Dermatol Venereol 2019; 34:285-292. [PMID: 31465594 DOI: 10.1111/jdv.15924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 07/25/2019] [Indexed: 11/29/2022]
Abstract
BACKGROUND In melanoma, preclinical data suggest a possible role of polyunsaturated fatty acids inhibiting cell growth. A new target molecule for free fatty acids, the G protein-coupled receptor GPR40, was identified in melanoma cells. OBJECTIVES The aim of this study was to investigate GPR40 expression in human melanocytic tissues and to evaluate its potential as a prognostic marker. METHODS AND RESULTS A total of 114 tissue sections of naevi, primary melanoma and melanoma metastasis were immunohistochemically stained with anti-GPR40. The staining was evaluated, using the immunoreactivity scoring system. Compared to naevi, primary melanoma and melanoma metastasis showed significantly higher levels of GPR40 (P < 0.05). In primary melanoma, GPR40 expression positively correlated with tumour thickness (P = 0.044) and AJCC level (P = 0.017) and in melanoma metastasis with AJCC level (P = 0.035). Primary melanoma patients with high levels of GPR40 had a significantly poorer overall survival (P = 0.004) and shorter disease-free survival (0.040). CONCLUSION The present study identified GPR40 as a novel target molecule in melanoma. First evidence for a potential role of the receptor in tumour progression and metastases was found, and it could be demonstrated that GPR40 expression is negatively correlated with patient's survival.
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Affiliation(s)
- J Kleemann
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - I Hrgovic
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - P Kleimann
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - J Ter-Nedden
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - M Glaser
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - K Steinhorst
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - K Härle
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - J Müller
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - R Kaufmann
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - S Kippenberger
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
| | - M Meissner
- Department of Dermatology, Venereology and Allergy, Goethe University Hospital, Frankfurt/Main, Germany
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13
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Marcial-Medina C, Ordoñez-Moreno A, Gonzalez-Reyes C, Cortes-Reynosa P, Perez Salazar E. Oleic acid induces migration through a FFAR1/4, EGFR and AKT-dependent pathway in breast cancer cells. Endocr Connect 2019; 8:252-265. [PMID: 30721135 PMCID: PMC6410766 DOI: 10.1530/ec-18-0543] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 02/04/2019] [Indexed: 12/25/2022]
Abstract
Free fatty acids (FFAs) are an energy source, and induce activation of signal transduction pathways that mediate several biological processes. In breast cancer cells, oleic acid (OA) induces proliferation, matrix metalloproteinase-9 (MMP-9) secretion, migration and invasion. However, the signal transduction pathways that mediate migration and invasion induced by OA in breast cancer cells have not been studied in detail. We demonstrate here that FFAR1 and FFAR4 mediate migration induced by OA in MDA-MB-231 and MCF-7 breast cancer cells. Moreover, OA induces migration, invasion, AKT1 and AKT2 activation, 12-LOX secretion and an increase of NFκB-DNA binding activity in breast cancer cells. Cell migration requires FFAR1, FFAR4, EGFR, AKT and PI3K activity, whereas invasion is mediated though a PI3K/Akt-dependent pathway. Furthermore, OA promotes relocalization of paxillin to focal contacts and it requires PI3K and EGFR activity, whereas NFκB-DNA binding activity requires PI3K and AKT activity.
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Affiliation(s)
| | | | | | | | - Eduardo Perez Salazar
- Departamento de Biologia Celular, Cinvestav-IPN, Mexico City, Mexico
- Correspondence should be addressed to E Perez Salazar:
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14
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Activation of GPR120 promotes the metastasis of breast cancer through the PI3K/Akt/NF-κB signaling pathway. Anticancer Drugs 2019; 30:260-270. [DOI: 10.1097/cad.0000000000000716] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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15
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Chu X, Zhou Q, Xu Y, Jiang J, Li Q, Zhou Q, Wu Q, Jin M, Wang H, Gu Y, Wang X, Wang B, He S, He X, Wu C, Zhang F, Zhang Y. Aberrant fatty acid profile and FFAR4 signaling confer endocrine resistance in breast cancer. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:100. [PMID: 30795784 PMCID: PMC6387561 DOI: 10.1186/s13046-019-1040-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 01/15/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND Evidence suggests that fatty acid receptor FFAR4 plays a tumor-promoting role in adipose tissue-adjacent malignancies, but its clinical relevance remains unexplored. Here, we investigated the clinical significance and underlying mechanisms of FFAR4 in hormone receptor-positive breast cancer (HRPBC). METHODS FFAR4 expression was assessed by immunohistochemistry in an exploration cohort of 307 breast cancer cases collected from two independent institutes. Two public breast cancer microarray datasets served as validation cohorts. Gas chromatography-mass spectrometry was employed to identify FFAR4 ligands in normal and cancerous breast tissues. Survival analyses were performed in all cohorts and designated molecular subgroups. Mechanistic studies were performed in vitro in hormone receptor-positive breast cancer cell lines MCF-7 and T-47D. RESULTS Aberrant FFAR4 expression and endogenous FFAR4 ligands were identified in breast cancer tissues, five FFAR4 ligands showed significantly elevated proportions in cancerous versus normal tissues. In the exploration cohort, FFAR4 was demonstrated as an independent prognostic factor for recurrences (HR: 2.183, 95% CI: 1.360-3.504, P = 0.001) and breast cancer-specific deaths (HR: 2.102, 95% CI: 1.173-3.766, P = 0.013) in HRPBC cases. In contrast, FFAR4 expression was not associated with prognosis in hormone receptor-negative cases. In the validation cohorts, FFAR4 mRNA levels were also observed to be associated with disease recurrence in estrogen receptor-positive cases, but not so in estrogen receptor-negative cases. FFAR4 activation by endogenous ligands and a synthetic ligand TUG891 significantly dampened tamoxifen's efficacy on HRPBC cells, whereas FFAR4 knockdown or antagonist AH7614 abrogated this effect. Furthermore, FFAR4-induced tamoxifen resistance was dependent on ERK and AKT pathways in HRPBC. CONCLUSIONS Our results establish a novel role of FFAR4 and its ligands in the complicated interactions between tissue lipid profile and cancer biology. FFAR4 signaling confers tamoxifen resistance in HRPBC cell line and FFAR4 expression can serve as a prognostic biomarker for tamoxifen-treated HRPBC patients. FFAR4 may serve as a potential target for anti-breast cancer therapies, especially in endocrine resistant cases.
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Affiliation(s)
- Xiao Chu
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China.,Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.,Department of Radiation Oncology, Fudan University Shanghai Cancer Center, Fudan University, Shanghai, China
| | - Qi Zhou
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Yingchun Xu
- Department of Oncology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, China
| | - Jingting Jiang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Qing Li
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Qianjun Zhou
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Qiong Wu
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Min Jin
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Hui Wang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Yuting Gu
- Department of Oncology, Renji Hospital, Shanghai Jiao Tong University School of Medicine (SJTUSM), Shanghai, China
| | - Xue Wang
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Bei Wang
- Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Songbing He
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Xiaozhou He
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China
| | - Changping Wu
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China.
| | - Fengchun Zhang
- Department of Oncology, Suzhou Kowloon Hospital and Shanghai Ruijin Hospital, SJTUSM, Suzhou, Jiangsu, China.
| | - Yanyun Zhang
- Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Changzhou, Jiangsu, China. .,Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China.
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16
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Meng FT, Huang M, Shao F, Huang Q. Upregulated FFAR4 correlates with the epithelial-mesenchymal transition and an unfavorable prognosis in human cholangiocarcinoma. Cancer Biomark 2018; 23:353-361. [PMID: 30248044 DOI: 10.3233/cbm-181358] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Fu-Tao Meng
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
- Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, Hefei, Anhui, China
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
| | - Mei Huang
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
- Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, Hefei, Anhui, China
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
| | - Feng Shao
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
- Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, Hefei, Anhui, China
| | - Qiang Huang
- Department of General Surgery, Affiliated Anhui Provincial Hospital, Hefei, Anhui, China
- Anhui Province Key Laboratory of Hepatopancreatobiliary Surgery, Hefei, Anhui, China
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17
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Im JH, Kang KW, Kim SY, Kim YG, An YJ, Park S, Jeong BH, Choi SY, Lee JS, Kang KW. GPR119 agonist enhances gefitinib responsiveness through lactate-mediated inhibition of autophagy. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:295. [PMID: 30497501 PMCID: PMC6267899 DOI: 10.1186/s13046-018-0949-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Accepted: 10/31/2018] [Indexed: 12/12/2022]
Abstract
Background Ligand-dependent activation of the G-protein coupled receptor 119 (GPR119) lowers blood glucose via glucose-dependent insulin secretion and intestinal glucagon-like peptide-1 production. However, the function of GPR119 in cancer cells has not been studied. Methods GPR119 expression was assessed by real-time qPCR and immunohistochemistry in human breast cancer cell lines and breast cancer tissues. Cell proliferation and cell cycle analyses were performed by Incucyte® live cell analysis system and flow cutometry, respectively. Autophagy activity was estimeated by western blottings and LC3-GFP transfection. Results mRNA or protein expression of GPR119 was detected in 9 cancer cell lines and 19 tissue samples. Cotreatment with GPR119 agonist (MBX-2982 or GSK1292263) significantly potentiated gefitinib-induced cell growth inhibition in gefitinib-insensitive MCF-7 and MDA-MB-231 breast cancer cells. We observed that caspase-3/7 activity was enhanced with the downregulation of Bcl-2 in MCF-7 cells exposed to MBX-2982. Gefitinib-induced autophagy is related with cancer cell survival and chemoresistance. GPR119 agonists inhibit gefitinib-induced autophagosome formation in MCF-7 and MDA-MB-231 cells. MBX-2982 also caused a metabolic shift to enhanced glycolysis accompanied by reduced mitochondrial oxidative phosphorylation. MBX-2982 increased intracellular (~ 2.5 mM) and extracellular lactate (~ 20 mM) content. Gefitinib-mediated autophagy was suppressed by 20 mM lactate in MCF-7 cells. Conclusions GPR119 agonists reduced mitochondrial OXPHOS and stimulated glycolysis in breast cancer cells, with consequent overproduction of lactate that inhibited autophagosome formation. Because autophagy is crucial for the survival of cancer cells exposed to TKIs, GPR119 agonists potentiated the anticancer effects of TKIs. Electronic supplementary material The online version of this article (10.1186/s13046-018-0949-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ji Hye Im
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea
| | - Keon Wook Kang
- Department of Nuclear Medicine, College of Medicine, Seoul National University, Seoul, Republic of Korea
| | - Sun Young Kim
- College of Pharmacy, Dankook University, Cheonan-si, Republic of Korea
| | - Yoon Gyoon Kim
- College of Pharmacy, Dankook University, Cheonan-si, Republic of Korea
| | - Yong Jin An
- Natural Product Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Sunghyouk Park
- Natural Product Research Institute, College of Pharmacy, Seoul National University, Seoul, Republic of Korea
| | - Byung Hwa Jeong
- Molecular Recognition Research Center, Korea Institute of Science and Technology, Seoul, Republic of Korea
| | - Song-Yi Choi
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Jin-Sun Lee
- College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Keon Wook Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Republic of Korea.
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18
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Fukushima K, Takahashi K, Kusaka M, Ishimoto K, Minami K, Otagaki S, Fukushima N, Honoki K, Tsujiuchi T. Induction of GPR40 positively regulates cell motile and growth activities in breast cancer MCF-7 cells. J Recept Signal Transduct Res 2018; 38:311-315. [DOI: 10.1080/10799893.2018.1494742] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kaori Fukushima
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Kaede Takahashi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Mirai Kusaka
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Kaichi Ishimoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Kanako Minami
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Shiho Otagaki
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Nobuyuki Fukushima
- Division of Molecular Neurobiology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
| | - Kanya Honoki
- Department of Orthopedic Surgery, Nara Medical University, Kashihara, Nara, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashiosaka, Osaka, Japan
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19
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Involvement of FFA1 and FFA4 in the regulation of cellular functions during tumor progression in colon cancer cells. Exp Cell Res 2018; 369:54-60. [DOI: 10.1016/j.yexcr.2018.05.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/03/2018] [Accepted: 05/06/2018] [Indexed: 01/25/2023]
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20
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Park SK, Herrnreiter A, Pfister SL, Gauthier KM, Falck BA, Falck JR, Campbell WB. GPR40 is a low-affinity epoxyeicosatrienoic acid receptor in vascular cells. J Biol Chem 2018; 293:10675-10691. [PMID: 29777058 DOI: 10.1074/jbc.ra117.001297] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 04/25/2018] [Indexed: 12/17/2022] Open
Abstract
Endothelium-derived epoxyeicosatrienoic acids (EETs) have numerous vascular activities mediated by G protein-coupled receptors. Long-chain free fatty acids and EETs activate GPR40, prompting us to investigate the role of GPR40 in some vascular EET activities. 14,15-EET, 11,12-EET, arachidonic acid, and the GPR40 agonist GW9508 increase intracellular calcium concentrations in human GPR40-overexpressing HEK293 cells (EC50 = 0.58 ± 0.08 μm, 0.91 ± 0.08 μm, 3.9 ± 0.06 μm, and 19 ± 0.37 nm, respectively). EETs with cis- and trans-epoxides had similar activities, whereas substitution of a thiirane sulfur for the epoxide oxygen decreased the activities. 8,9-EET, 5,6-EET, and the epoxide hydrolysis products 11,12- and 14,15-dihydroxyeicosatrienoic acids were less active than 11,12-EET. The GPR40 antagonist GW1100 and siRNA-mediated GPR40 silencing blocked the EET- and GW9508-induced calcium increases. EETs are weak GPR120 agonists. GPR40 expression was detected in human and bovine endothelial cells (ECs), smooth muscle cells, and arteries. 11,12-EET concentration-dependently relaxed preconstricted coronary arteries; however, these relaxations were not altered by GW1100. In human ECs, 11,12-EET increased MAP kinase (MAPK)-mediated ERK phosphorylation, phosphorylation and levels of connexin-43 (Cx43), and expression of cyclooxygenase-2 (COX-2), all of which were inhibited by GW1100 and the MAPK inhibitor U0126. Moreover, siRNA-mediated GPR40 silencing decreased 11,12-EET-induced ERK phosphorylation. These results indicated that GPR40 is a low-affinity EET receptor in vascular cells and arteries. We conclude that epoxidation of arachidonic acid to EETs enhances GPR40 agonist activity and that 11,12-EET stimulation of GPR40 increases Cx43 and COX-2 expression in ECs via ERK phosphorylation.
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Affiliation(s)
- Sang-Kyu Park
- From the Department of Pharmacology and Toxicology Medical College of Wisconsin, Milwaukee, Wisconsin 53226 and
| | - Anja Herrnreiter
- From the Department of Pharmacology and Toxicology Medical College of Wisconsin, Milwaukee, Wisconsin 53226 and
| | - Sandra L Pfister
- From the Department of Pharmacology and Toxicology Medical College of Wisconsin, Milwaukee, Wisconsin 53226 and
| | - Kathryn M Gauthier
- From the Department of Pharmacology and Toxicology Medical College of Wisconsin, Milwaukee, Wisconsin 53226 and
| | - Benjamin A Falck
- the Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas 75390
| | - John R Falck
- the Department of Biochemistry, University of Texas Southwestern Medical Center, Dallas, Texas 75390
| | - William B Campbell
- From the Department of Pharmacology and Toxicology Medical College of Wisconsin, Milwaukee, Wisconsin 53226 and
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Abstract
The correlation between ultraviolet radiation of the skin and melanoma incidence in humans is well established. Interestingly, epidemiologic data suggest also a correlation to an increased BMI pointing to metabolic trigger factors in melanoma pathogenesis. To substantiate this connection, we studied the expression of G-protein-coupled receptor 120 (GPR120), a receptor sensitive to unsaturated long-chain free fatty acids in melanoma tissues. One-hundred fourteen tissue sections histologically confirmed as nevi (n=32), primary melanoma (n=39), and melanoma metastasis (n=43) were immunohistochemically stained against GPR120. The staining was evaluated by three trained dermatopathologists and independently scored. Compared with nevi, primary melanoma and melanoma metastasis showed significantly higher levels of GPR120 staining. Only three out of 32 nevi showed strong GPR120 expression [median immunoreactivity-scoring system (IRS) score: 1, range: 0-10], whereas in primary melanomas 14 out of 39 were highly GPR120-positive (median IRS score: 7, range: 0-12) and in melanoma metastasis 27 out of 43 were highly GPR120-positive (median IRS score: 9, range: 0-12). GPR120 expression and tumor thickness (mm) show a statistically significant correlation in primary melanoma (P=0.011). Moreover, GPR120-positive staining was found throughout the epidermis and in sebaceous and sweat glands, which is yet not described. This study identified GPR120 as a novel marker for melanoma, indicating that melanoma cells are sensitive to free fatty acids. It is tempting to speculate that pharmacologically interfering with GPR120 signaling might improve melanoma therapy.
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Senatorov IS, Moniri NH. The role of free-fatty acid receptor-4 (FFA4) in human cancers and cancer cell lines. Biochem Pharmacol 2018; 150:170-180. [PMID: 29452095 DOI: 10.1016/j.bcp.2018.02.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Accepted: 02/12/2018] [Indexed: 12/12/2022]
Abstract
A dietary influence on cancer progression has been evident for many decades, and dietary fatty acids, particularly long chain mono- and polyunsaturated fatty acids, have been shown to play significant roles in influencing growth of a variety of human cancers. The discovery of the family of cell-surface free-fatty acid receptors, which include the long-chain fatty acid receptors FFA1 and FFA4, suggest that many of the effects of dietary fats could be receptor-mediated. FFA4 is ubiquitously expressed and has recently been shown to modulate a variety of important anti-inflammatory and metabolic processes. Since FFA4 is currently an attractive drug target for treatment of metabolic disorders such as diabetes and obesity, understanding its role in cancer progression is critical towards the drug discovery process. In this research update, the current body of knowledge on the role of this receptor in regulating cancer cell proliferation, migration, and invasion, as well as in vivo tumorigenesis is reviewed.
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Affiliation(s)
- Ilya S Senatorov
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, GA 30341, United States
| | - Nader H Moniri
- Department of Pharmaceutical Sciences, College of Pharmacy, Mercer University Health Sciences Center, Mercer University, Atlanta, GA 30341, United States.
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23
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Hopkins MM, Meier KE. Free Fatty Acid Receptors and Cancer: From Nutrition to Pharmacology. Handb Exp Pharmacol 2017; 236:233-251. [PMID: 27757756 DOI: 10.1007/164_2016_48] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The effects of fatty acids on cancer cells have been studied for decades. The roles of dietary long-chain n-3 polyunsaturated fatty acids, and of microbiome-generated short-chain butyric acid, have been of particular interest over the years. However, the roles of free fatty acid receptors (FFARs) in mediating effects of fatty acids in tumor cells have only recently been examined. In reviewing the literature, the data obtained to date indicate that the long-chain FFARs (FFA1 and FFA4) play different roles than the short-chain FFARs (FFA2 and FFA3). Moreover, FFA1 and FFA4 can in some cases mediate opposing actions in the same cell type. Another conclusion is that different types of cancer cells respond differently to FFAR activation. Currently, the best-studied models are prostate, breast, and colon cancer. FFA1 and FFA4 agonists can inhibit proliferation and migration of prostate and breast cancer cells, but enhance growth of colon cancer cells. In contrast, FFA2 activation can in some cases inhibit proliferation of colon cancer cells. Although the available data are sometimes contradictory, there are several examples in which FFAR agonists inhibit proliferation of cancer cells. This is a unique response to GPCR activation that will benefit from a mechanistic explanation as the field progresses. The development of more selective FFAR agonists and antagonists, combined with gene knockout approaches, will be important for unraveling FFAR-mediated inhibitory effects. These inhibitory actions, mediated by druggable GPCRs, hold promise for cancer prevention and/or therapy.
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Affiliation(s)
- Mandi M Hopkins
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, WA, 99210-1495, USA
| | - Kathryn E Meier
- Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Spokane, WA, 99210-1495, USA.
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24
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Effect of α-linolenic acid-rich diacylglycerol oil on protein kinase C activation in the rat digestive tract and lingual mucosa. Food Chem Toxicol 2017; 103:168-173. [DOI: 10.1016/j.fct.2017.02.033] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 12/27/2016] [Accepted: 02/23/2017] [Indexed: 11/21/2022]
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25
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Houthuijzen JM, Oosterom I, Hudson BD, Hirasawa A, Daenen LGM, McLean CM, Hansen SVF, van Jaarsveld MTM, Peeper DS, Jafari Sadatmand S, Roodhart JML, van de Lest CHA, Ulven T, Ishihara K, Milligan G, Voest EE. Fatty acid 16:4(n-3) stimulates a GPR120-induced signaling cascade in splenic macrophages to promote chemotherapy resistance. FASEB J 2017; 31:2195-2209. [PMID: 28183801 PMCID: PMC5388545 DOI: 10.1096/fj.201601248r] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 01/23/2017] [Indexed: 12/31/2022]
Abstract
Although chemotherapy is designed to eradicate tumor cells, it also has significant effects on normal tissues. The platinum-induced fatty acid 16:4(n-3) (hexadeca-4,7,10,13-tetraenoic acid) induces systemic resistance to a broad range of DNA-damaging chemotherapeutics. We show that 16:4(n-3) exerts its effect by activating splenic F4/80+/CD11blow macrophages, which results in production of chemoprotective lysophosphatidylcholines (LPCs). Pharmacologic studies, together with analysis of expression patterns, identified GPR120 on F4/80+/CD11blow macrophages as the relevant receptor for 16:4(n-3). Studies that used splenocytes from GPR120-deficient mice have confirmed this conclusion. Activation of the 16:4(n-3)-GPR120 axis led to enhanced cPLA2 activity in these splenic macrophages and secretion of the resistance-inducing lipid mediator, lysophosphatidylcholine(24:1). These studies identify a novel and unexpected function for GPR120 and suggest that antagonists of this receptor might be effective agents to limit development of chemotherapy resistance.—Houthuijzen, J. M., Oosterom, I., Hudson, B. D., Hirasawa, A., Daenen, L. G. M., McLean, C. M., Hansen, S. V. F., van Jaarsveld, M. T. M., Peeper, D. S., Jafari Sadatmand, S., Roodhart, J. M. L., van de Lest, C. H. A., Ulven, T., Ishihara, K., Milligan, G., Voest, E. E. Fatty acid 16:4(n-3) stimulates a GPR120-induced signaling cascade in splenic macrophages to promote chemotherapy resistance.
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Affiliation(s)
- Julia M Houthuijzen
- Department of Molecular Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands.,Department of Molecular Pathology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Ilse Oosterom
- Department of Medical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Brian D Hudson
- Centre for Translational Pharmacology, Institute of Molecular, Cell, and Systems Biology, University of Glasgow, Glasgow, United Kingdom
| | - Akira Hirasawa
- Department of Genomic Drug Discovery Science, Kyoto University, Kyoto, Japan
| | - Laura G M Daenen
- Department of Medical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Chelsea M McLean
- Department of Molecular Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Steffen V F Hansen
- Department of Physics, Chemistry, and Pharmacy, University of Southern Denmark, Odense, Denmark
| | | | - Daniel S Peeper
- Department of Molecular Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Sahar Jafari Sadatmand
- Department of Molecular Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
| | - Jeanine M L Roodhart
- Department of Medical Oncology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Chris H A van de Lest
- Department of Biochemistry and Cell Biology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Trond Ulven
- Department of Physics, Chemistry, and Pharmacy, University of Southern Denmark, Odense, Denmark
| | - Kenji Ishihara
- National Research Institute of Fisheries Science, Kanazawaku, Japan
| | - Graeme Milligan
- Centre for Translational Pharmacology, Institute of Molecular, Cell, and Systems Biology, University of Glasgow, Glasgow, United Kingdom
| | - Emile E Voest
- Department of Molecular Oncology, Netherlands Cancer Institute, Amsterdam, The Netherlands
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26
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Takahashi K, Fukushima K, Onishi Y, Node Y, Inui K, Fukushima N, Honoki K, Tsujiuchi T. Different effects of G-protein-coupled receptor 120 (GPR120) and GPR40 on cell motile activity of highly migratory osteosarcoma cells. Biochem Biophys Res Commun 2017; 484:675-680. [PMID: 28159555 DOI: 10.1016/j.bbrc.2017.01.175] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Accepted: 01/30/2017] [Indexed: 01/06/2023]
Abstract
G-protein-coupled receptor 120 (GPR120) and GPR40 are members of free fatty acid (FFA) receptors and mediate a variety of biological responses through binding of medium- and long-chain FFAs. Recently, it has been reported that GPR120 and GPR40 regulated cellular functions of cancer cells. In the present study, to assess whether GPR120 and GPR40 are involved in the enhancement of cell motile activity of osteosarcoma cells, we established highly migratory (MG63-R7) cells from osteosarcoma MG-63 cells. The expression level of GPR120 gene was significantly higher in MG63-R7 cells than in MG-63 cells, while no change of GPR40 expression was observed. In cell motility assay, the cell motile activity of MG63-R7 cells was approximately 200 times higher than that of MG-63 cells. The cell motile activity of MG63-R7 cells was stimulated by GW9508, which is an agonist of GPR120 and GPR40. Moreover, a GPR40 antagonist GW1100 elevated the cell motile activity of MG63-R7 cells in the presence of GW9508. To confirm the effects of GPR120 and GPR40 on the cell motile activity of MG63-R7 cells, GPR120 knockdown cells were generated from MG63-R7 cells. The cell motile activity of MG63-R7 cells was markedly suppressed by GPR120 knockdown. These results indicated that GPR120 enhanced and GPR40 inhibited the cell motile activity of highly migratory osteosarcoma cells.
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Affiliation(s)
- Kaede Takahashi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Kaori Fukushima
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Yuka Onishi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Yusuke Node
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Karin Inui
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Nobuyuki Fukushima
- Division of Molecular Neurobiology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Kanya Honoki
- Department of Orthopedic Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan.
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27
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Hansen SVF, Ulven T. Pharmacological Tool Compounds for the Free Fatty Acid Receptor 4 (FFA4/GPR120). Handb Exp Pharmacol 2017; 236:33-56. [PMID: 27807695 DOI: 10.1007/164_2016_60] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
The free fatty acid receptor 4 (FFA4), also known as GPR120, is a G protein-coupled receptor that is activated by long-chain fatty acids and that has been associated with regulation of appetite, release of insulin controlling hormones, insulin sensitization, anti-inflammatory and potentially anti-obesity activity, and is progressively appearing as an attractive potential target for the treatment of metabolic dysfunctions such as obesity, type 2 diabetes and inflammatory disorders. Ongoing investigations of the pharmacological functions of FFA4 and validation of its potential as a therapeutic target depend critically on the appropriateness and quality of the available pharmacological probes or tool compounds. After a brief summary of the pharmacological functions of FFA4 and some general considerations on desirable properties for these pharmacological tool compounds, the individual compounds that have been or are currently being used as tools for probing the function of FFA4 in various in vitro and in vivo settings will be discussed and evaluated.
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Affiliation(s)
- Steffen V F Hansen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark
| | - Trond Ulven
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, 5230, Odense M, Denmark.
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28
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Fujii K, Luo Y, Fujiwara-Tani R, Kishi S, He S, Yang S, Sasaki T, Ohmori H, Kuniyasu H. Pro-metastatic intracellular signaling of the elaidic trans fatty acid. Int J Oncol 2016; 50:85-92. [PMID: 27959384 DOI: 10.3892/ijo.2016.3797] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 12/02/2016] [Indexed: 11/05/2022] Open
Abstract
Trans fatty acids (TFAs) are risk factors of cardiovascular disorders, and a few studies have reported the cancer-promoting effects of TFAs. In the present study, we examined the effects and signaling of elaidic acid (EA), a TFA, in colorectal cancer (CRC) cells. Oral intake of EA increased the metastasis of CT26 mouse CRC cells by inducing the expression of stemness markers nucleostemin (NS) and CD133. Mechanisms underlying EA-induced signaling were confirmed by determining the binding of EA to G-protein coupled receptor 40 (GPR40) and GPR120 by performing surface protein internalization assay. We found that c-SRC mediated EGFR transactivation was induced by the binding of EA to GPR40 and GPR120. Moreover, EGFR signaling upregulated NS and Snail expression and downregulated E-cadherin expression in wild-type APC-containing CT26 cells, and upregulated NS, Wnt5a and CD44 expression in APC-null HT29 cells. These results indicate that EA enhances the stemness and epithelial-mesenchymal transition of CRC cells. These results also indicate the prominent metastatic potential of EA-treated cancer cells and highlight the important implications of EA on public health.
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Affiliation(s)
- Kiyomu Fujii
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Yi Luo
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Rina Fujiwara-Tani
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Shingo Kishi
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Song He
- Department of Pathology, Nantong University Cancer Hospital, Nantong, Jiangsu 226361, P.R. China
| | - Shuyun Yang
- Department of Pathology, Nantong University Cancer Hospital, Nantong, Jiangsu 226361, P.R. China
| | - Takamitsu Sasaki
- Department of Gastroenterological Surgery, Fukuoka University School of Medicine, Jonan-ku, Fukuoka 814-0180, Japan
| | - Hitoshi Ohmori
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
| | - Hiroki Kuniyasu
- Department of Molecular Pathology, Nara Medical University, Kashihara 634-8521, Japan
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29
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Houthuijzen JM. For Better or Worse: FFAR1 and FFAR4 Signaling in Cancer and Diabetes. Mol Pharmacol 2016; 90:738-743. [PMID: 27582526 DOI: 10.1124/mol.116.105932] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Accepted: 08/25/2016] [Indexed: 01/12/2023] Open
Abstract
Increased energy intake can lead to obesity, which increases the risk for the development of diabetes and cancer. Free fatty acids regulate numerous cellular processes, like insulin secretion, inflammation, proliferation, and cell migration. Dysregulation of these cellular functions by increased lipid intake plays a significant role in the development of diseases like diabetes and cancer. Free fatty acid receptors 1 and 4 (FFAR1 and FFAR4) are two free fatty acid receptors under increasing investigation for their roles in diabetes and more recently also cancer. Both receptors bind medium- to long-chain, saturated and omega-3 unsaturated fatty acids. Increasing evidence shows that enhanced FFAR1 and FFAR4 signaling reduces diabetes symptoms but enhances tumor growth and migration of various cancer types like melanoma and prostate cancer. This review gives an overview of the role of FFAR1 and FFAR4 in diabetes and cancer and discusses their potential to function as targets for treatment.
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Affiliation(s)
- J M Houthuijzen
- Netherlands Cancer Institute, Department of Molecular Pathology, Amsterdam, The Netherlands
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30
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Milligan G, Shimpukade B, Ulven T, Hudson BD. Complex Pharmacology of Free Fatty Acid Receptors. Chem Rev 2016; 117:67-110. [PMID: 27299848 DOI: 10.1021/acs.chemrev.6b00056] [Citation(s) in RCA: 188] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
G protein-coupled receptors (GPCRs) are historically the most successful family of drug targets. In recent times it has become clear that the pharmacology of these receptors is far more complex than previously imagined. Understanding of the pharmacological regulation of GPCRs now extends beyond simple competitive agonism or antagonism by ligands interacting with the orthosteric binding site of the receptor to incorporate concepts of allosteric agonism, allosteric modulation, signaling bias, constitutive activity, and inverse agonism. Herein, we consider how evolving concepts of GPCR pharmacology have shaped understanding of the complex pharmacology of receptors that recognize and are activated by nonesterified or "free" fatty acids (FFAs). The FFA family of receptors is a recently deorphanized set of GPCRs, the members of which are now receiving substantial interest as novel targets for the treatment of metabolic and inflammatory diseases. Further understanding of the complex pharmacology of these receptors will be critical to unlocking their ultimate therapeutic potential.
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Affiliation(s)
- Graeme Milligan
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow , Glasgow G12 8QQ, Scotland, United Kingdom
| | - Bharat Shimpukade
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark , Campusvej 55, DK-5230 Odense M, Denmark
| | - Trond Ulven
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark , Campusvej 55, DK-5230 Odense M, Denmark
| | - Brian D Hudson
- Centre for Translational Pharmacology, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow , Glasgow G12 8QQ, Scotland, United Kingdom
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31
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Targeting of free fatty acid receptor 1 in EOC: A novel strategy to restrict the adipocyte-EOC dependence. Gynecol Oncol 2016; 141:72-9. [DOI: 10.1016/j.ygyno.2016.02.026] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2015] [Revised: 02/15/2016] [Accepted: 02/21/2016] [Indexed: 12/14/2022]
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32
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Kita T, Kadochi Y, Takahashi K, Fukushima K, Yamasaki E, Uemoto T, Hirane M, Fukushima N, Honoki K, Tsujiuchi T. Diverse effects of G-protein-coupled free fatty acid receptors on the regulation of cellular functions in lung cancer cells. Exp Cell Res 2016; 342:193-9. [PMID: 26968637 DOI: 10.1016/j.yexcr.2016.03.008] [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] [Received: 01/27/2016] [Revised: 03/07/2016] [Accepted: 03/07/2016] [Indexed: 01/15/2023]
Abstract
Free fatty acids (FFAs) are dietary nutrients which mediate a variety of biological effects through binding to G-protein-coupled FFA receptors (FFARs). G-protein-coupled receptor 120 (GPR120) and GPR40 are identified as FFARs for long- and medium-chain fatty acids. Here we investigated whether GPR120 and GPR40 are involved in the acquisition of malignant properties in lung cancer cells. Three lung cancer RLCNR, LL/2 and A549 cells used in this study expressed GPR120 and GPR40 genes. The cell motile activities of all cells were significantly suppressed by a GPR40 antagonist GW1100. In addition, GPR40 knockdown inhibited the cell motile activity of A549 cells. In gelatin zymography, matrix metalloproteinase-2 (MMP-2) activity in GPR40 knockdown was significantly lower than that in control cells. Next, to evaluate effects of GPR120 and GPR40 on cellular functions induced by anti-cancer drug, the long-term cisplatin (CDDP) treated (A549-CDDP) cells were generated. The expression levels of GPR120 and GPR40 were significantly decreased in A549-CDDP cells. While A549-CDDP cells showed the high cell motile activity, GW1100 suppressed the cell motile activity of A549-CDDP cells. These results demonstrate that GPR120 negatively and GPR40 positively regulate cellular functions during tumor progression in lung cancer cells.
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Affiliation(s)
- Tsubasa Kita
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Yui Kadochi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Kaede Takahashi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Kaori Fukushima
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Eri Yamasaki
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Taiki Uemoto
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Miku Hirane
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Nobuyuki Fukushima
- Division of Molecular Neurobiology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan
| | - Kanya Honoki
- Department of Orthopedic Surgery, Nara Medical University, 840 Shijo-cho, Kashihara, Nara 634-8521, Japan
| | - Toshifumi Tsujiuchi
- Division of Molecular Oncology, Department of Life Science, Faculty of Science and Engineering, Kinki University, 3-4-1, Kowakae, Higashiosaka, Osaka 577-8502, Japan.
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33
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Molecular mechanisms of target recognition by lipid GPCRs: relevance for cancer. Oncogene 2015; 35:4021-35. [DOI: 10.1038/onc.2015.467] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Revised: 11/02/2015] [Accepted: 11/02/2015] [Indexed: 12/18/2022]
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