1
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Cooke M, Zhang S, Cornejo Maciel F, Kazanietz MG. Gi/o GPCRs drive the formation of actin-rich tunneling nanotubes in cancer cells via a Gβγ/PKCα/FARP1/Cdc42 axis. J Biol Chem 2023; 299:104983. [PMID: 37390986 PMCID: PMC10374973 DOI: 10.1016/j.jbc.2023.104983] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 07/02/2023] Open
Abstract
The functional association between stimulation of G-protein-coupled receptors (GPCRs) by eicosanoids and actin cytoskeleton reorganization remains largely unexplored. Using a model of human adrenocortical cancer cells, here we established that activation of the GPCR OXER1 by its natural agonist, the eicosanoid 5-oxo-eicosatetraenoic acid, leads to the formation of filopodia-like elongated projections connecting adjacent cells, known as tunneling nanotube (TNT)-like structures. This effect is reduced by pertussis toxin and GUE1654, a biased antagonist for the Gβγ pathway downstream of OXER1 activation. We also observed pertussis toxin-dependent TNT biogenesis in response to lysophosphatidic acid, indicative of a general response driven by Gi/o-coupled GPCRs. TNT generation by either 5-oxo-eicosatetraenoic acid or lysophosphatidic acid is partially dependent on the transactivation of the epidermal growth factor receptor and impaired by phosphoinositide 3-kinase inhibition. Subsequent signaling analysis reveals a strict requirement of phospholipase C β3 and its downstream effector protein kinase Cα. Consistent with the established role of Rho small GTPases in the formation of actin-rich projecting structures, we identified the phosphoinositide 3-kinase-regulated guanine nucleotide exchange factor FARP1 as a GPCR effector essential for TNT formation, acting via Cdc42. Altogether, our study pioneers a link between Gi/o-coupled GPCRs and TNT development and sheds light into the intricate signaling pathways governing the generation of specialized actin-rich elongated structures in response to bioactive signaling lipids.
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Affiliation(s)
- Mariana Cooke
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA.
| | - Suli Zhang
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Fabiana Cornejo Maciel
- Departament of Human Biochemistry, School of Medicine, University of Buenos Aires, Buenos Aires, Argentina; INBIOMED, CONICET, Buenos Aires, Argentina
| | - Marcelo G Kazanietz
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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2
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Mori Sequeiros Garcia MM, Paz C, Castillo AF, Benzo Y, Belluno MA, Balcázar Martínez A, Maloberti PM, Cornejo Maciel F, Poderoso C. New insights into signal transduction pathways in adrenal steroidogenesis: role of mitochondrial fusion, lipid mediators, and MAPK phosphatases. Front Endocrinol (Lausanne) 2023; 14:1175677. [PMID: 37223023 PMCID: PMC10200866 DOI: 10.3389/fendo.2023.1175677] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 04/17/2023] [Indexed: 05/25/2023] Open
Abstract
Hormone-receptor signal transduction has been extensively studied in adrenal gland. Zona glomerulosa and fasciculata cells are responsible for glucocorticoid and mineralocorticoid synthesis by adrenocorticotropin (ACTH) and angiotensin II (Ang II) stimulation, respectively. Since the rate-limiting step in steroidogenesis occurs in the mitochondria, these organelles are key players in the process. The maintenance of functional mitochondria depends on mitochondrial dynamics, which involves at least two opposite events, i.e., mitochondrial fusion and fission. This review presents state-of-the-art data on the role of mitochondrial fusion proteins, such as mitofusin 2 (Mfn2) and optic atrophy 1 (OPA1), in Ang II-stimulated steroidogenesis in adrenocortical cells. Both proteins are upregulated by Ang II, and Mfn2 is strictly necessary for adrenal steroid synthesis. The signaling cascades of steroidogenic hormones involve an increase in several lipidic metabolites such as arachidonic acid (AA). In turn, AA metabolization renders several eicosanoids released to the extracellular medium able to bind membrane receptors. This report discusses OXER1, an oxoeicosanoid receptor which has recently arisen as a novel participant in adrenocortical hormone-stimulated steroidogenesis through its activation by AA-derived 5-oxo-ETE. This work also intends to broaden knowledge of phospho/dephosphorylation relevance in adrenocortical cells, particularly MAP kinase phosphatases (MKPs) role in steroidogenesis. At least three MKPs participate in steroid production and processes such as the cellular cycle, either directly or by means of MAP kinase regulation. To sum up, this review discusses the emerging role of mitochondrial fusion proteins, OXER1 and MKPs in the regulation of steroid synthesis in adrenal cortex cells.
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Affiliation(s)
- María Mercedes Mori Sequeiros Garcia
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Cristina Paz
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Ana Fernanda Castillo
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Yanina Benzo
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Matías A. Belluno
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Ariana Balcázar Martínez
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Paula Mariana Maloberti
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Fabiana Cornejo Maciel
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
| | - Cecilia Poderoso
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Buenos Aires, Argentina
- CONICET-Universidad de Buenos Aires, Instituto de Investigaciones Biomédicas (INBIOMED), Buenos Aires, Argentina
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3
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Maus KD, Stephenson DJ, Ali AN, MacKnight HP, Huang HJ, Serrats J, Kim M, Diegelmann RF, Chalfant CE. Ceramide kinase regulates acute wound healing by suppressing 5-oxo-ETE biosynthesis and signaling via its receptor OXER1. J Lipid Res 2022; 63:100187. [PMID: 35219746 PMCID: PMC8980959 DOI: 10.1016/j.jlr.2022.100187] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 02/18/2022] [Accepted: 02/21/2022] [Indexed: 01/10/2023] Open
Abstract
The sphingolipid, ceramide-1-phosphate (C1P), has been shown to promote the inflammatory phase and inhibit the proliferation and remodeling stages of wound repair via direct interaction with group IVA cytosolic phospholipase A2, a regulator of eicosanoid biosynthesis that fine-tunes the behaviors of various cell types during wound healing. However, the anabolic enzyme responsible for the production of C1P that suppresses wound healing as well as bioactive eicosanoids and target receptors that drive enhanced wound remodeling have not been characterized. Herein, we determined that decreasing C1P activity via inhibitors or genetic ablation of the anabolic enzyme ceramide kinase (CERK) significantly enhanced wound healing phenotypes. Importantly, postwounding inhibition of CERK enhanced the closure rate of acute wounds, improved the quality of healing, and increased fibroblast migration via a "class switch" in the eicosanoid profile. This switch reduced pro-inflammatory prostaglandins (e.g., prostaglandin E2) and increased levels of 5-hydroxyeicosatetraenoic acid and the downstream metabolite 5-oxo-eicosatetraenoic acid (5-oxo-ETE). Moreover, dermal fibroblasts from mice with genetically ablated CERK showed enhanced wound healing markers, while blockage of the murine 5-oxo-ETE receptor (oxoeicosanoid receptor 1) inhibited the enhanced migration phenotype of these cell models. Together, these studies reinforce the vital roles eicosanoids play in the wound healing process and demonstrate a novel role for CERK-derived C1P as a negative regulator of 5-oxo-ETE biosynthesis and the activation of oxoeicosanoid receptor 1 in wound healing. These findings provide foundational preclinical results for the use of CERK inhibitors to shift the balance from inflammation to resolution and increase the wound healing rate.
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Affiliation(s)
- Kenneth D Maus
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Daniel J Stephenson
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Anika N Ali
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Henry Patrick MacKnight
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Huey-Jing Huang
- Neuroscience Drug Discovery Unit, Takeda California, San Diego, CA, USA
| | - Jordi Serrats
- Neuroscience Drug Discovery Unit, Takeda California, San Diego, CA, USA
| | - Minjung Kim
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA
| | - Robert F Diegelmann
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University-School of Medicine, Richmond, VA, USA
| | - Charles E Chalfant
- Department of Cell Biology, Microbiology, and Molecular Biology, University of South Florida, Tampa, FL, USA; Cancer Biology and Evolution Program, The Moffitt Cancer Center, Tampa, FL, USA; Research Service, James A. Haley Veterans Hospital, Tampa, FL, USA; Division of Hematology & Oncology, Department of Medicine, University of Virginia, Charlottesville, VA, USA; Department of Cell Biology, University of Virginia, Charlottesville, VA, USA; Program in Cancer Biology, University of Virginia Cancer Center, Charlottesville, VA, USA; Research Service, Hunter Holmes McGuire Veterans Administration Medical Center, Richmond, VA, USA.
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4
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Abstract
Steroid hormones bind receptors in the cell nucleus and in the cell membrane. The most widely studied class of steroid hormone receptors are the nuclear receptors, named for their function as ligand-dependent transcription factors in the cell nucleus. Nuclear receptors, such as estrogen receptor alpha, can also be anchored to the plasma membrane, where they respond to steroids by activating signaling pathways independent of their function as transcription factors. Steroids can also bind integral membrane proteins, such as the G protein-coupled estrogen receptor. Membrane estrogen and progestin receptors have been cloned and characterized in vitro and influence the development and function of many organ systems. Membrane androgen receptors were cloned and characterized in vitro, but their function as androgen receptors in vivo is unresolved. We review the identity and function of membrane proteins that bind estrogens, progestins, and androgens. We discuss evidence that membrane glucocorticoid and mineralocorticoid receptors exist, and whether glucocorticoid and mineralocorticoid nuclear receptors act at the cell membrane. In many cases, integral membrane steroid receptors act independently of nuclear steroid receptors, even though they may share a ligand.
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Affiliation(s)
- Lindsey S Treviño
- Department of Population Sciences, Division of Health Equities, City of Hope Comprehensive Cancer Center, Duarte, CA 91010, USA
| | - Daniel A Gorelick
- Center for Precision Environmental Health, Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
- Correspondence: Daniel A Gorelick, PhD, One Baylor Plaza, Alkek Building N1317.07, Houston, TX, 77030-3411, USA.
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5
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Powell WS, Rokach J. Targeting the OXE receptor as a potential novel therapy for asthma. Biochem Pharmacol 2020; 179:113930. [PMID: 32240653 PMCID: PMC10656995 DOI: 10.1016/j.bcp.2020.113930] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Accepted: 03/19/2020] [Indexed: 12/11/2022]
Abstract
5-Oxo-6,8,11,14-eicosatetraenoic acid (5-oxo-ETE) is an arachidonic acid metabolite formed by oxidation of the 5-lipoxygenase (5-LO) product 5S-hydroxy-6,8,11,14-eicosatetraenoic acid (5S-HETE) by the NADP+-dependent enzyme 5-hydroxyeicosanoid dehydrogenase. It is the only 5-LO product with appreciable chemoattractant activity for human eosinophils. Its actions are mediated by the selective OXE receptor, which is highly expressed on eosinophils, basophils, neutrophils and monocytes. Orthologs of the OXER1 gene, which encodes this receptor, are found in many species except for rodents. Intradermal injection of 5-oxo-ETE into humans and monkeys elicits eosinophil infiltration into the skin, raising the possibility that it may play a pathophysiological role in eosinophilic diseases. To investigate this and possibly identify a novel therapy we sought to prepare synthetic antagonists that could selectively block the OXE receptor. We synthesized a series of indole-based compounds bearing substituents that mimic the regions of 5-oxo-ETE that are required for biological activity, which we modified to reduce metabolism. The most potent of these OXE receptor antagonists is S-Y048, which is a potent inhibitor of 5-oxo-ETE-induced calcium mobilization (IC50, 20 pM) and has a long half-life following oral administration. S-Y048 inhibited allergen-induced eosinophil infiltration into the skin of rhesus monkeys that had been experimentally sensitized to house dust mite and inhibited pulmonary inflammation resulting from challenge with aerosolized allergen. These data provide the first evidence for a pathophysiological role for 5-oxo-ETE in mammals and suggest that potent and selective OXE receptor antagonists such as S-Y048 may be useful therapeutic agents in asthma and other eosinophilic diseases.
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Affiliation(s)
- William S Powell
- Meakins-Christie Laboratories, Centre for Translational Biology, McGill University Health Centre, 1001 Decarie Blvd, Montreal, QC H4A 3J1, Canada.
| | - Joshua Rokach
- Claude Pepper Institute and Department of Chemistry, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901-6982, USA
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6
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Aung MT, Yu Y, Ferguson KK, Cantonwine DE, Zeng L, McElrath TF, Pennathur S, Mukherjee B, Meeker JD. Prediction and associations of preterm birth and its subtypes with eicosanoid enzymatic pathways and inflammatory markers. Sci Rep 2019; 9:17049. [PMID: 31745121 PMCID: PMC6863859 DOI: 10.1038/s41598-019-53448-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 11/01/2019] [Indexed: 12/26/2022] Open
Abstract
Endogenous signaling molecules derived from lipids, peptides, and DNA, are important regulators of physiological processes during pregnancy. The effect of their collective impact on preterm birth (delivery < 37 weeks gestation) is understudied. We aimed to characterize the associations and predictive capacity of an extensive panel of eicosanoids, immune biomarkers, oxidative stress markers, and growth factors towards preterm birth and its subtypes. We conducted a cross-sectional study of pregnant women (recruited < 15 weeks gestation) in the LIFECODES birth cohort, which included 58 cases of preterm birth and 115 controls that delivered term. Among the cases there were 31 cases who had a spontaneous preterm birth (cases who had spontaneous preterm labor and/or preterm premature rupture of membranes) and 25 that had preterm birth associated with aberrant placentation (cases who had preeclampsia and/or intrauterine growth restriction) and 2 cases that could not be sufficiently categorized as either. We analyzed single biomarker associations with each preterm birth outcome using multiple logistic regression. Adaptive elastic-net was implemented to perform a penalized multiple logistic regression on all biomarkers simultaneously to identify the most predictive biomarkers. We then organized biomarkers into biological groups and by enzymatic pathways and applied adaptive elastic-net and random forest to evaluate the accuracy of each group for predicting preterm birth cases. The majority of associations we observed were for spontaneous preterm birth, and adaptive elastic-net identified 5-oxoeicosatetraenoic acid, resolvin D1, 5,6-epoxy-eicsatrienoic acid, and 15-deoxy-12,14-prostaglandin J2 as most predictive. Overall, lipid biomarkers performed the best at separating cases from controls compared to other biomarker categories (adaptive elastic-net AUC = 0.78 [0.62, 0.94], random forest AUC = 0.84 [0.72, 0.96]). Among the enzymatic pathways that differentiate eicosanoid metabolites, we observed the highest prediction of overall preterm birth by lipoxygenase metabolites using random forest (AUC = 0.83 [0.69, 0.96]), followed by cytochrome p450 metabolites using adaptive elastic-net (AUC = 0.74 [0.52, 0.96]). In this study we translate biological hypothesis into the language of modern machine learning. Many lipid biomarkers were highly associated with overall and spontaneous preterm birth. Among eicosanoids, lipoxygenase and cytochrome p450 products performed best in identifying overall and spontaneous preterm birth. The combination of lipid biomarkers may have good utility in clinical settings to predict preterm birth.
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Affiliation(s)
- Max T Aung
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Youfei Yu
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - Kelly K Ferguson
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, Durham, NC, USA
| | - David E Cantonwine
- Division of Maternal and Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Lixia Zeng
- Department of Internal Medicine-Nephrology, University of Michigan, Ann Arbor, MI, USA
| | - Thomas F McElrath
- Division of Maternal and Fetal Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Subramaniam Pennathur
- Department of Internal Medicine-Nephrology, University of Michigan, Ann Arbor, MI, USA.,Michigan Regional Comprehensive Metabolomics Resource Core, University of Michigan, Ann Arbor, MI, USA.,Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, MI, USA
| | - Bhramar Mukherjee
- Department of Biostatistics, University of Michigan School of Public Health, Ann Arbor, MI, USA.,Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA
| | - John D Meeker
- Department of Environmental Health Sciences, University of Michigan School of Public Health, Ann Arbor, MI, USA.
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7
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Hughes CHK, Bosviel R, Newman JW, Pate JL. Luteal Lipids Regulate Progesterone Production and May Modulate Immune Cell Function During the Estrous Cycle and Pregnancy. Front Endocrinol (Lausanne) 2019; 10:662. [PMID: 31636603 PMCID: PMC6788218 DOI: 10.3389/fendo.2019.00662] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 09/12/2019] [Indexed: 12/11/2022] Open
Abstract
Although the corpus luteum (CL) contains high concentrations of lipid in the form of steroid hormone precursors and prostaglandins, little is known about the abundance or function of other luteal lipid mediators. To address this, 79 lipid mediators were measured in bovine CL, using ultra performance liquid chromatography-tandem mass spectrometry. CL from estrous cycle days 4, 11, and 18 were compared and, separately, CL from days 18 of the estrous cycle and pregnancy were compared. Twenty-three lipids increased as the estrous cycle progressed (P < 0.05), with nine increasing between days 4 and 11 and fourteen increasing between days 4 and 18. Overall, this indicated a general upregulation of lipid mediator synthesis as the estrous cycle progressed, including increases in oxylipins and endocannabinoids. Only 15-KETE was less abundant in the CL of early pregnancy (P < 0.05), with a tendency (P < 0.10) for four others to be less abundant. Notably, 15-KETE also increased between estrous cycle days 4 and 18. Ingenuity Pathway Analysis (IPA, Qiagen) indicated that functions associated with differentially abundant lipids during the estrous cycle included leukocyte activation, cell migration, and cell proliferation. To investigate changes in CL during maternal recognition of pregnancy, this lipid dataset was integrated with a published dataset from mRNA profiling during maternal recognition of pregnancy. This analysis indicated that lipids and mRNA that changed during maternal recognition of pregnancy may regulate some of the same functions, including immune cell chemotaxis and cell-cell communication. To assess effects of these lipid mediators, luteal cells were cultured with 5-KETE or 15-KETE. One ng/mL 5-KETE reduced luteal progesterone on day 1 of culture, only in the absence of luteinizing hormone (LH), while 1 ng/mL 15-KETE induced progesterone only in the presence of LH (10 ng/mL). On day 7 of culture, 0.1 ng/mL 15-KETE reduced prostaglandin (PG)F2A-induced inhibition of LH-stimulated progesterone production, while 1 ng/mL 15-KETE did not have this effect. Overall, these data suggest a role for lipid mediators during luteal development and early pregnancy, as regulators of steroidogenesis, immune cell activation and function, intracellular signaling, and cell survival and death.
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Affiliation(s)
- Camilla H. K. Hughes
- Center for Reproductive Biology and Health, Department of Animal Sciences, Pennsylvania State University, State College, PA, United States
| | - Remy Bosviel
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
| | - John W. Newman
- West Coast Metabolomics Center, Genome Center, University of California, Davis, Davis, CA, United States
- Obesity and Metabolism Research Unit, USDA-ARS-Western Human Nutrition Research Center, Davis, CA, United States
- Department of Nutrition, University of California, Davis, Davis, CA, United States
| | - Joy L. Pate
- Center for Reproductive Biology and Health, Department of Animal Sciences, Pennsylvania State University, State College, PA, United States
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8
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Neuman I, Cooke M, Lemiña NA, Kazanietz MG, Cornejo Maciel F. 5-oxo-ETE activates migration of H295R adrenocortical cells via MAPK and PKC pathways. Prostaglandins Other Lipid Mediat 2019; 144:106346. [PMID: 31301403 DOI: 10.1016/j.prostaglandins.2019.106346] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2019] [Revised: 06/06/2019] [Accepted: 06/19/2019] [Indexed: 01/08/2023]
Abstract
The OXE receptor is a GPCR activated by eicosanoids produced by the action of 5-lipoxygenase. We previously found that this membrane receptor participates in the regulation of cAMP-dependent and -independent steroidogenesis in human H295R adrenocortical carcinoma cells. In this study we analyzed the effects of the OXE receptor physiological activator 5-oxo-ETE on the growth and migration of H259R cells. While 5-oxo-ETE did not affect the growth of H295R cells, overexpression of OXE receptor caused an increase in cell proliferation, which was further increased by 5-oxo-ETE and blocked by 5-lipoxygenase inhibition. 5-oxo-ETE increased the migratory capacity of H295R cells in wound healing assays, but it did not induce the production of metalloproteases MMP-1, MMP-2, MMP-9 and MMP-10. The pro-migratory effect of 5-oxo-ETE was reduced by pharmacological inhibition of the MEK/ERK1/2, p38 and PKC pathways. 5-oxo-ETE caused significant activation of ERK and p38. ERK activation by the eicosanoid was reduced by the "pan" PKC inhibitor GF109203X but not by the classical PKC inhibitor Gö6976, suggesting the involvement of novel PKCs in this effect. Although H295R cells display detectable phosphorylation of Ser299 in PKCδ, a readout for the activation of this novel PKC, treatment with 5-oxo-ETE per se was unable to induce additional PKCδ activation. Our results revealed signaling effectors activated by 5-oxo-ETE in H295R cells and may have significant implications for our understanding of OXE receptor in adrenocortical cell pathophysiology.
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Affiliation(s)
- Isabel Neuman
- Departamento de Bioquímica Humana, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina; INBIOMED, Instituto de Investigaciones Biomédicas, UBA, CONICET, Buenos Aires, Argentina
| | - Mariana Cooke
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Nicolás Agustín Lemiña
- INBIOMED, Instituto de Investigaciones Biomédicas, UBA, CONICET, Buenos Aires, Argentina
| | - Marcelo G Kazanietz
- Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Fabiana Cornejo Maciel
- Departamento de Bioquímica Humana, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina; INBIOMED, Instituto de Investigaciones Biomédicas, UBA, CONICET, Buenos Aires, Argentina.
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9
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Gu Z, Shan K, Chen H, Chen YQ. n-3 Polyunsaturated Fatty Acids and their Role in Cancer Chemoprevention. ACTA ACUST UNITED AC 2015; 1:283-294. [PMID: 26457243 DOI: 10.1007/s40495-015-0043-9] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Polyunsaturated fatty acids (PUFAs), including omega-3 (n-3) and omega-6 (n-6) PUFAs, are essential for human health. Recent research shows n-3 PUFAs and their mediators can inhibit inflammation, angiogenesis and cancer via multiple mechanisms, including reduced release of n-6 fatty acid arachidonic acid from cell membranes, inhibition of enzymatic activities, and direct competition with arachidonic acid for enzymatic conversions. In this review, we discuss inflammation-related cancer, anti-inflammatory effects of n-3 PUFA lipid mediators, antineoplastic activities of n-3 PUFA in vitro and in vivo, and present an update on recent human trials.
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Affiliation(s)
- Zhennan Gu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, P.R. China ; The Synergistic Innovation Center for Food Safety and Nutrition, Wuxi 214122, P.R. China ; Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
| | - Kai Shan
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, P.R. China ; The Synergistic Innovation Center for Food Safety and Nutrition, Wuxi 214122, P.R. China
| | - Haiqin Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, P.R. China ; The Synergistic Innovation Center for Food Safety and Nutrition, Wuxi 214122, P.R. China
| | - Yong Q Chen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, P.R. China ; The Synergistic Innovation Center for Food Safety and Nutrition, Wuxi 214122, P.R. China ; Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA
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10
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Dattilo M, Neuman I, Muñoz M, Maloberti P, Cornejo Maciel F. OxeR1 regulates angiotensin II and cAMP-stimulated steroid production in human H295R adrenocortical cells. Mol Cell Endocrinol 2015; 408:38-44. [PMID: 25657046 DOI: 10.1016/j.mce.2015.01.040] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2014] [Revised: 01/26/2015] [Accepted: 01/26/2015] [Indexed: 01/13/2023]
Abstract
Hormone-regulated steroidogenesis and StAR protein induction involve the action of lipoxygenated products. The products of 5-lipoxygenase act on inflammation and immunity by stimulation of a membrane receptor called OxeR1. The presence of OxeR1 in other systems has not been described up to date and little is known about its mechanism of action and other functions. In this context, the aim of this study was the identification and characterization of OxeR1 as a mediator of cAMP-dependent and independent pathways. Overexpression of OxeR1 in MA-10 Leydig cells increased cAMP-dependent progesterone production. Angiotensin II and cAMP stimulation of adrenocortical human H295R cells produced an increase in StAR protein induction and steroidogenesis in cells overexpressing OxeR1 as compared to mock-transfected cells. Additionally, activation of OxeR1 caused a time-dependent increase in ERK1/2 phosphorylation. In summary, membrane receptor OxeR1 is involved in StAR protein induction and activation of steroidogenesis triggered by cAMP or angiotensin II, acting, at least in part, through ERK1/2 activation.
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Affiliation(s)
- Melina Dattilo
- INBIOMED - UBA/CONICET, Department of Biochemistry, School of Medicine, University of Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Isabel Neuman
- INBIOMED - UBA/CONICET, Department of Biochemistry, School of Medicine, University of Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Mariana Muñoz
- INBIOMED - UBA/CONICET, Department of Biochemistry, School of Medicine, University of Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Paula Maloberti
- INBIOMED - UBA/CONICET, Department of Biochemistry, School of Medicine, University of Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina
| | - Fabiana Cornejo Maciel
- INBIOMED - UBA/CONICET, Department of Biochemistry, School of Medicine, University of Buenos Aires, Paraguay 2155, C1121ABG, Buenos Aires, Argentina.
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11
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Montero D, Terova G, Rimoldi S, Tort L, Negrin D, Zamorano MJ, Izquierdo M. Modulation of adrenocorticotrophin hormone (ACTH)-induced expression of stress-related genes by PUFA in inter-renal cells from European sea bass (Dicentrarchus labrax). J Nutr Sci 2015; 4:e16. [PMID: 26090096 PMCID: PMC4463938 DOI: 10.1017/jns.2015.6] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2014] [Revised: 09/11/2014] [Accepted: 01/05/2015] [Indexed: 01/29/2023] Open
Abstract
Dietary fatty acids have been shown to exert a clear effect on the stress response, modulating the release of cortisol. The role of fatty acids on the expression of steroidogenic genes has been described in mammals, but little is known in fish. The effect of different fatty acids on the release of cortisol and expression of stress-related genes of European sea bass (Dicentrarchus labrax) head kidney, induced by a pulse of adenocorticotrophin hormone (ACTH), was studied. Tissue was maintained in superfusion with 60 min of incubation with EPA, DHA, arachidonic acid (ARA), linoleic acid or α-linolenic acid (ALA) during 490 min. Cortisol was measured by RIA. The quantification of stress-related genes transcripts was conducted by One-Step TaqMan real-time RT-PCR. There was an effect of the type of fatty acid on the ACTH-induced release of cortisol, values from ALA treatment being elevated within all of the experimental period. The expression of some steroidogenic genes, such as the steroidogenic acute regulatory protein (StAR) and c-fos, were affected by fatty acids, ALA increasing the expression of StAR after 1 h of ACTH stimulation whereas DHA, ARA and ALA increased the expression of c-fos after 20 min. ARA increased expression of the 11β-hydroxylase gene. Expression of heat shock protein 70 (HSP70) was increased in all the experimental treatments except for ARA. Results corroborate previous studies of the effect of different fatty acids on the release of cortisol in marine fish and demonstrate that those effects are mediated by alteration of the expression of steroidogenic genes.
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Key Words
- ACTH, adrenocorticotrophin hormone
- ALA, α-linolenic acid
- ARA, arachidonic acid
- Adrenocorticotrophin hormone-induced stress response
- COX, cyclo-oxygenase
- CYP11b, cytochrome P450 11β
- Dicentrarchus labrax
- Fatty acids
- GR, glucocorticoid receptor
- HSP, heat shock protein
- LA, linoleic acid
- LOX, lipo-oxygenase
- Nutritional modulation of steroidogenesis
- PKA, protein kinase A
- PLA2, phospholipase A2
- StAR, steroidogenic acute regulatory protein
- Stress-related gene expression
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Affiliation(s)
- Daniel Montero
- Universidad de Las Palmas de Gran Canaria
(ULPGC), Grupo de Investigación en acuicultura (GIA),
Instituto Universitario de Sanidad Animal y Seguridad Alimentaria
(IUSA), c/ Transmontaña, s/n,
35413, Arucas, Las
Palmas, Canary Islands, Spain
| | - Genciana Terova
- University of Insubria,
Department of Biotechnology and Life Sciences, Via
Dunant, 3-21100 Varese, Italy
| | - Simona Rimoldi
- University of Insubria,
Department of Biotechnology and Life Sciences, Via
Dunant, 3-21100 Varese, Italy
| | - Lluis Tort
- Universitat Autonoma de Barcelona,
Department de Biologia Cel.lular, Fisiologia i
immunologia, Edifici M. 08193,
Bellaterra, Cerdanyola del Vallès,
Barcelona, Spain
| | - Davinia Negrin
- Universidad de Las Palmas de Gran Canaria
(ULPGC), Grupo de Investigación en acuicultura (GIA),
Instituto Universitario de Sanidad Animal y Seguridad Alimentaria
(IUSA), c/ Transmontaña, s/n,
35413, Arucas, Las
Palmas, Canary Islands, Spain
| | - María Jesús Zamorano
- Universidad de Las Palmas de Gran Canaria
(ULPGC), Grupo de Investigación en acuicultura (GIA),
Instituto Universitario de Sanidad Animal y Seguridad Alimentaria
(IUSA), c/ Transmontaña, s/n,
35413, Arucas, Las
Palmas, Canary Islands, Spain
| | - Marisol Izquierdo
- Universidad de Las Palmas de Gran Canaria
(ULPGC), Grupo de Investigación en acuicultura (GIA),
Instituto Universitario de Sanidad Animal y Seguridad Alimentaria
(IUSA), c/ Transmontaña, s/n,
35413, Arucas, Las
Palmas, Canary Islands, Spain
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12
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Powell WS, Rokach J. Biosynthesis, biological effects, and receptors of hydroxyeicosatetraenoic acids (HETEs) and oxoeicosatetraenoic acids (oxo-ETEs) derived from arachidonic acid. Biochim Biophys Acta Mol Cell Biol Lipids 2014; 1851:340-55. [PMID: 25449650 DOI: 10.1016/j.bbalip.2014.10.008] [Citation(s) in RCA: 219] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2014] [Revised: 10/10/2014] [Accepted: 10/21/2014] [Indexed: 12/14/2022]
Abstract
Arachidonic acid can be oxygenated by a variety of different enzymes, including lipoxygenases, cyclooxygenases, and cytochrome P450s, and can be converted to a complex mixture of oxygenated products as a result of lipid peroxidation. The initial products in these reactions are hydroperoxyeicosatetraenoic acids (HpETEs) and hydroxyeicosatetraenoic acids (HETEs). Oxoeicosatetraenoic acids (oxo-ETEs) can be formed by the actions of various dehydrogenases on HETEs or by dehydration of HpETEs. Although a large number of different HETEs and oxo-ETEs have been identified, this review will focus principally on 5-oxo-ETE, 5S-HETE, 12S-HETE, and 15S-HETE. Other related arachidonic acid metabolites will also be discussed in less detail. 5-Oxo-ETE is synthesized by oxidation of the 5-lipoxygenase product 5S-HETE by the selective enzyme, 5-hydroxyeicosanoid dehydrogenase. It actions are mediated by the selective OXE receptor, which is highly expressed on eosinophils, suggesting that it may be important in eosinophilic diseases such as asthma. 5-Oxo-ETE also appears to stimulate tumor cell proliferation and may also be involved in cancer. Highly selective and potent OXE receptor antagonists have recently become available and could help to clarify its pathophysiological role. The 12-lipoxygenase product 12S-HETE acts by the GPR31 receptor and promotes tumor cell proliferation and metastasis and could therefore be a promising target in cancer therapy. It may also be involved as a proinflammatory mediator in diabetes. In contrast, 15S-HETE may have a protective effect in cancer. In addition to GPCRs, higher concentration of HETEs and oxo-ETEs can activate peroxisome proliferator-activated receptors (PPARs) and could potentially regulate a variety of processes by this mechanism. This article is part of a Special Issue entitled "Oxygenated metabolism of PUFA: analysis and biological relevance".
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Affiliation(s)
- William S Powell
- Meakins-Christie Laboratories, Department of Medicine, McGill University, 3626St. Urbain Street, Montreal, Quebec H2X 2P2, Canada.
| | - Joshua Rokach
- Claude Pepper Institute and Department of Chemistry, Florida Institute of Technology, 150 West University Boulevard, Melbourne, FL 32901, USA
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13
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Bäck M, Powell WS, Dahlén SE, Drazen JM, Evans JF, Serhan CN, Shimizu T, Yokomizo T, Rovati GE. Update on leukotriene, lipoxin and oxoeicosanoid receptors: IUPHAR Review 7. Br J Pharmacol 2014; 171:3551-74. [PMID: 24588652 DOI: 10.1111/bph.12665] [Citation(s) in RCA: 155] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 02/06/2014] [Accepted: 02/18/2014] [Indexed: 12/14/2022] Open
Abstract
The endogenous ligands for the LT, lipoxin (LX) and oxoeicosanoid receptors are bioactive products produced by the action of the lipoxygenase family of enzymes. The LT receptors BLT1 and BLT2 , are activated by LTB4 and the CysLT1 and CysLT2 receptors are activated by the cysteinyl-LTs, whereas oxoeicosanoids exert their action through the OXE receptor. In contrast to these pro-inflammatory mediators, LXA4 transduces responses associated with the resolution of inflammation through the receptor FPR2/ALX (ALX/FPR2). The aim of the present review is to give a state of the field on these receptors, with focus on recent important findings. For example, BLT1 receptor signalling in cancer and the dual role of the BLT2 receptor in pro- and anti-inflammatory actions have added more complexity to lipid mediator signalling. Furthermore, a cross-talk between the CysLT and P2Y receptor systems has been described, and also the presence of novel receptors for cysteinyl-LTs, such as GPR17 and GPR99. Finally, lipoxygenase metabolites derived from ω-3 essential polyunsaturated acids, the resolvins, activate the receptors GPR32 and ChemR23. In conclusion, the receptors for the lipoxygenase products make up a sophisticated and tightly controlled system of endogenous pro- and anti-inflammatory signalling in physiology and pathology.
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Affiliation(s)
- Magnus Bäck
- Nomenclature Subcommittee for Leukotriene Receptors, International Union of Basic and Clinical Pharmacology, Stockholm, Sweden; Department of Medicine, Karolinska Institutet, Stockholm, Sweden; Department of Cardiology, Karolinska University Hospital, Stockholm, Sweden
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14
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Powell WS, Rokach J. The eosinophil chemoattractant 5-oxo-ETE and the OXE receptor. Prog Lipid Res 2013; 52:651-65. [PMID: 24056189 DOI: 10.1016/j.plipres.2013.09.001] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 09/10/2013] [Indexed: 01/04/2023]
Abstract
5-Oxo-ETE (5-oxo-6,8,11,14-eicosatetraenoic acid) is formed from the 5-lipoxygenase product 5-HETE (5S-hydroxy-6,8,11,14-eicosatetraenoic acid) by 5-hydroxyeicosanoid dehydrogenase (5-HEDH). The cofactor NADP(+) is a limiting factor in the synthesis of 5-oxo-ETE because of its low concentrations in unperturbed cells. Activation of the respiratory burst in phagocytic cells, oxidative stress, and cell death all dramatically elevate both intracellular NADP(+) levels and 5-oxo-ETE synthesis. 5-HEDH is widely expressed in inflammatory, structural, and tumor cells. Cells devoid of 5-lipoxygenase can synthesize 5-oxo-ETE by transcellular biosynthesis using inflammatory cell-derived 5-HETE. 5-Oxo-ETE is a chemoattractant for neutrophils, monocytes, and basophils and promotes the proliferation of tumor cells. However, its primary target appears to be the eosinophil, for which it is a highly potent chemoattractant. The actions of 5-oxo-ETE are mediated by the highly selective OXE receptor, which signals by activating various second messenger pathways through the release of the βγ-dimer from Gi/o proteins to which it is coupled. Because of its potent effects on eosinophils, 5-oxo-ETE may be an important mediator in asthma, and, because of its proliferative effects, may also contribute to tumor progression. Selective OXE receptor antagonists, which are currently under development, could be useful therapeutic agents in asthma and other allergic diseases.
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Key Words
- 12-HHT
- 12-hydroxy-5Z,8E,10E-heptadecatrienoic acid
- 4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoic acid
- 5,12-diHETE
- 5,15-diHETE
- 5-HEDH
- 5-HEPE
- 5-HETE
- 5-HETrE
- 5-HODE
- 5-HpETE
- 5-LO
- 5-Lipoxygenase
- 5-Oxo-ETE
- 5-hydroxyeicosanoid dehydrogenase
- 5-lipoxygenase
- 5-oxo-12-HETE
- 5-oxo-12S-hydroxy-6E,8Z,10E,14Z-eicosatetraenoic acid
- 5-oxo-15-HETE
- 5-oxo-15S-hydroxy-6E,8Z,11Z,13E-eicosatetraenoic acid
- 5-oxo-20-HETE
- 5-oxo-20-hydroxy-6E,8Z,11Z,14Z-eicosatetraenoic acid
- 5-oxo-6E,8Z,11Z,14Z,17Z-eicosapentaenoic acid
- 5-oxo-6E,8Z,11Z,14Z-eicosatetraenoic acid
- 5-oxo-6E,8Z,11Z-eicosatrienoic acid
- 5-oxo-6E,8Z-octadecadienoic acid
- 5-oxo-7-glutathionyl factor-8,11,14-eicosatrienoic acid
- 5-oxo-EPE
- 5-oxo-ETE
- 5-oxo-ETrE
- 5-oxo-ODE
- 5S,12S-dihydroxy-6E,8Z,10E,14Z-eicosatetraenoic acid
- 5S,15S-dihydroxy-6E,8Z,11Z,13E-eicosatetraenoic acid
- 5S-hydroperoxy-6E,8Z,11Z,14Z-eicosatetraenoic acid
- 5S-hydroxy-6E,8Z,11Z,14Z,17Z-eicosapentaenoic acid
- 5S-hydroxy-6E,8Z,11Z,14Z-eicosatetraenoic acid
- 5S-hydroxy-6E,8Z,11Z-eicosatrienoic acid
- 5S-hydroxy-6E,8Z-octadecadienoic acid
- 5Z,8Z,11Z,14Z,17Z-eicosapentaenoic acid
- 5Z,8Z,11Z-eicosatrienoic acid
- 5Z,8Z-octadecadienoic acid
- Asthma
- Chemoattractants
- DHA
- ECL
- EPA
- Eosinophils
- FOG(7)
- G protein-coupled receptor
- GPCR
- Inflammation
- LT
- LXA(4)
- Mead acid
- PAF
- PI3K
- PLC
- PMA
- PUFA
- Sebaleic acid
- StAR
- eosinophil chemotactic lipid
- leukotriene
- lipoxin A(4)
- phorbol myristate acetate
- phosphoinositide-3 kinase
- phospholipase C
- platelet-activating
- polyunsaturated fatty acid
- steroidogenic acute regulatory protein
- uPAR
- urokinase-type plasminogen activator receptor
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Affiliation(s)
- William S Powell
- Meakins-Christie Laboratories, Department of Medicine, McGill University, 3626 St. Urbain Street, Montreal, Quebec H2X 2P2, Canada.
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