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Ahmadian Elmi M, Motamed N, Picard D. Proteomic Analyses of the G Protein-Coupled Estrogen Receptor GPER1 Reveal Constitutive Links to Endoplasmic Reticulum, Glycosylation, Trafficking, and Calcium Signaling. Cells 2023; 12:2571. [PMID: 37947649 PMCID: PMC10650109 DOI: 10.3390/cells12212571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 10/14/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023] Open
Abstract
The G protein-coupled estrogen receptor 1 (GPER1) has been proposed to mediate rapid responses to the steroid hormone estrogen. However, despite a strong interest in its potential role in cancer, whether it is indeed activated by estrogen and how this works remain controversial. To provide new tools to address these questions, we set out to determine the interactome of exogenously expressed GPER1. The combination of two orthogonal methods, namely APEX2-mediated proximity labeling and immunoprecipitation followed by mass spectrometry, gave us high-confidence results for 73 novel potential GPER1 interactors. We found that this GPER1 interactome is not affected by estrogen, a result that mirrors the constitutive activity of GPER1 in a functional assay with a Rac1 sensor. We specifically validated several hits highlighted by a gene ontology analysis. We demonstrate that CLPTM1 interacts with GPER1 and that PRKCSH and GANAB, the regulatory and catalytic subunits of α-glucosidase II, respectively, associate with CLPTM1 and potentially indirectly with GPER1. An imbalance in CLPTM1 levels induces nuclear association of GPER1, as does the overexpression of PRKCSH. Moreover, we show that the Ca2+ sensor STIM1 interacts with GPER1 and that upon STIM1 overexpression and depletion of Ca2+ stores, GPER1 becomes more nuclear. Thus, these new GPER1 interactors establish interesting connections with membrane protein maturation, trafficking, and calcium signaling.
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Affiliation(s)
- Maryam Ahmadian Elmi
- Department of Cellular and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran 14155-6455, Iran
- Département de Biologie Moléculaire et Cellulaire, Université de Genève, Sciences III, Quai Ernest-Ansermet 30, CH-1211 Genève, Switzerland
| | - Nasrin Motamed
- Department of Cellular and Molecular Biology, School of Biology, College of Science, University of Tehran, Tehran 14155-6455, Iran
| | - Didier Picard
- Département de Biologie Moléculaire et Cellulaire, Université de Genève, Sciences III, Quai Ernest-Ansermet 30, CH-1211 Genève, Switzerland
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2
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Godoy‑Pacheco A, García‑Chagollán M, Ramírez‑De‑Arellano A, Hernández‑Silva C, Villegas‑Pineda J, Ramírez‑López I, Zepeda‑Nuño J, Aguilar‑Lemarroy A, Pereira‑Suárez A. Differential modulation of natural killer cell cytotoxicity by 17β‑estradiol and prolactin through the NKG2D/NKG2DL axis in cervical cancer cells. Oncol Lett 2022; 24:288. [DOI: 10.3892/ol.2022.13408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 04/19/2022] [Indexed: 11/06/2022] Open
Affiliation(s)
- Alejandro Godoy‑Pacheco
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Mariel García‑Chagollán
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Adrián Ramírez‑De‑Arellano
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Christian Hernández‑Silva
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Julio Villegas‑Pineda
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Inocencia Ramírez‑López
- Department of Physiology, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - José Zepeda‑Nuño
- Center for Research and Diagnosis of Pathology, Department of Microbiology and Pathology, University Center of Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
| | - Adriana Aguilar‑Lemarroy
- Department of Immunology, Western Biomedical Research Center, Guadalajara, Jalisco 44340, Mexico
| | - Ana Pereira‑Suárez
- Institute for Research in Biomedical Sciences, University Center for Health Sciences, University of Guadalajara, Guadalajara, Jalisco 44340, Mexico
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Li Z, Pan Y, Liu Q, Wang J, Liu C, Qu L, Li D. Role of GPER1 in the Mechanism of EGFR-TKIs Resistance in Lung Adenocarcinoma. Front Oncol 2022; 12:869113. [PMID: 35664735 PMCID: PMC9158128 DOI: 10.3389/fonc.2022.869113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 03/02/2022] [Indexed: 11/18/2022] Open
Abstract
Epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitors (TKIs) have a good clinical efficacy in lung adenocarcinoma harboring activating-mutation EGFR. Such EGFR mutations are more frequently observed in women and non-smokers. EGFR mutations are frequently reported to correlate with estrogen receptor (ER) α and/or β-expressions in lung adenocarcinoma. However, the role of GPER1, a novel G-protein-coupled estrogen receptor, in the estrogen signaling pathway and the association between its expression and EGFR mutation in lung adenocarcinoma are less well understood. Here, we aimed to examine ERα, Erβ, and GPER1 expressions, and to analyze their roles in the mechanism of EGFR-TKIs resistance in lung adenocarcinoma. We report an enhanced cytoplasmic expression of GPER1 in tissue samples. The nuclear GPER1 positively correlated with ER expression while the nuclear and also cytoplasmic expressing GPER1 negatively correlated with ER expression. Further, TKI resistance results in higher cytoplasmic GPER1 expression and decreased ER and nuclear GPER1 expression with evidence for GPER1 translocation to cell surface during the resistance. GPER1 itself is capable of regulating ER expression with concomitant regulation of MAPK signaling, and co-inhibition of GPER1 and ERs attenuates ERK1/2 and Akt phosphorylation. The results were also verified in vivo in mice where GPER1 silencing slowed tumor progression which was further potentiated by gefitinib.
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Affiliation(s)
- Zhenhua Li
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yaqiang Pan
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Qinghua Liu
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Jian Wang
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chang Liu
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Laihao Qu
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Dingbiao Li
- Department of Thoracic Surgery, Yan'an Affiliated Hospital of Kunming Medical University, Kunming, China
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Bubb M, Beyer ASL, Dasgupta P, Kaemmerer D, Sänger J, Evert K, Wirtz RM, Schulz S, Lupp A. Assessment of G Protein-Coupled Oestrogen Receptor Expression in Normal and Neoplastic Human Tissues Using a Novel Rabbit Monoclonal Antibody. Int J Mol Sci 2022; 23:ijms23095191. [PMID: 35563581 PMCID: PMC9099907 DOI: 10.3390/ijms23095191] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 12/23/2022] Open
Abstract
In addition to the classical oestrogen receptors, ERα and ERβ, a G protein-coupled oestrogen receptor (GPER) has been identified that primarily mediates the rapid, non-genomic signalling of oestrogens. Data on GPER expression at the protein level are contradictory; therefore, the present study was conducted to re-evaluate GPER expression by immunohistochemistry to obtain broad GPER expression profiles in human non-neoplastic and neoplastic tissues, especially those not investigated in this respect so far. We developed and thoroughly characterised a novel rabbit monoclonal anti-human GPER antibody, 20H15L21, using Western blot analyses and immunocytochemistry. The antibody was then applied to a large series of formalin-fixed, paraffin-embedded human tissue samples. In normal tissue, GPER was identified in distinct cell populations of the cortex and the anterior pituitary; islets and pancreatic ducts; fundic glands of the stomach; the epithelium of the duodenum and gallbladder; hepatocytes; proximal tubules of the kidney; the adrenal medulla; and syncytiotrophoblasts and decidua cells of the placenta. GPER was also expressed in hepatocellular, pancreatic, renal, and endometrial cancers, pancreatic neuroendocrine tumours, and pheochromocytomas. The novel antibody 20H15L21 will serve as a valuable tool for basic research and the identification of GPER-expressing tumours during histopathological examinations.
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Affiliation(s)
- Maria Bubb
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747 Jena, Germany; (M.B.); (A.-S.L.B.); (P.D.); (S.S.)
| | - Anna-Sophia Lieselott Beyer
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747 Jena, Germany; (M.B.); (A.-S.L.B.); (P.D.); (S.S.)
| | - Pooja Dasgupta
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747 Jena, Germany; (M.B.); (A.-S.L.B.); (P.D.); (S.S.)
| | - Daniel Kaemmerer
- Department of General and Visceral Surgery, Zentralklinik Bad Berka, 99438 Bad Berka, Germany;
| | - Jörg Sänger
- Laboratory of Pathology and Cytology Bad Berka, 99438 Bad Berka, Germany;
| | - Katja Evert
- Department of Pathology, University of Regensburg, 93053 Regensburg, Germany;
- Institute of Pathology, University Medicine of Greifswald, 17475 Greifswald, Germany
| | - Ralph M. Wirtz
- STRATIFYER Molecular Pathology GmbH, 50935 Cologne, Germany;
| | - Stefan Schulz
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747 Jena, Germany; (M.B.); (A.-S.L.B.); (P.D.); (S.S.)
| | - Amelie Lupp
- Institute of Pharmacology and Toxicology, Jena University Hospital, 07747 Jena, Germany; (M.B.); (A.-S.L.B.); (P.D.); (S.S.)
- Correspondence: ; Tel.: +49-3641-9325678; Fax: +49-3641-9325652
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Hirtz A, Lebourdais N, Rech F, Bailly Y, Vaginay A, Smaïl-Tabbone M, Dubois-Pot-Schneider H, Dumond H. GPER Agonist G-1 Disrupts Tubulin Dynamics and Potentiates Temozolomide to Impair Glioblastoma Cell Proliferation. Cells 2021; 10:cells10123438. [PMID: 34943948 PMCID: PMC8699794 DOI: 10.3390/cells10123438] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/29/2021] [Accepted: 12/03/2021] [Indexed: 12/11/2022] Open
Abstract
Glioblastoma (GBM) is the most common brain tumor in adults, which is very aggressive, with a very poor prognosis that affects men twice as much as women, suggesting that female hormones (estrogen) play a protective role. With an in silico approach, we highlighted that the expression of the membrane G-protein-coupled estrogen receptor (GPER) had an impact on GBM female patient survival. In this context, we explored for the first time the role of the GPER agonist G-1 on GBM cell proliferation. Our results suggested that G-1 exposure had a cytostatic effect, leading to reversible G2/M arrest, due to tubulin polymerization blockade during mitosis. However, the observed effect was independent of GPER. Interestingly, G-1 potentiated the efficacy of temozolomide, the current standard chemotherapy treatment, since the combination of both treatments led to prolonged mitotic arrest, even in a temozolomide less-sensitive cell line. In conclusion, our results suggested that G-1, in combination with standard chemotherapy, might be a promising way to limit the progression and aggressiveness of GBM.
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Affiliation(s)
- Alex Hirtz
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
| | - Nolwenn Lebourdais
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
| | - Fabien Rech
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
- Université de Lorraine, CHRU-Nancy, Service de Neurochirurgie, F-54000 Nancy, France
| | - Yann Bailly
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
| | - Athénaïs Vaginay
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
- Université de Lorraine, CNRS, Inria, LORIA, F-54000 Nancy, France;
| | | | - Hélène Dubois-Pot-Schneider
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
| | - Hélène Dumond
- Université de Lorraine, CNRS, CRAN, F-54000 Nancy, France; (A.H.); (N.L.); (F.R.); (Y.B.); (A.V.); (H.D.-P.-S.)
- Correspondence: ; Tel.: +33-372746115
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Zhao T, Qi W, Yang P, Yang L, Shi Y, Zhou L, Ye L. Mechanisms of cardiovascular toxicity induced by PM 2.5: a review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:65033-65051. [PMID: 34617228 DOI: 10.1007/s11356-021-16735-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/22/2021] [Indexed: 06/13/2023]
Abstract
An increasing number of studies have shown that exposure to particulate matter with a diameter ≤ 2.5 μm (PM2.5) could affect the onset and development of cardiovascular diseases. To explore the underlying mechanisms, the studies conducted in vitro investigations using different cell lines. In this review, we examined recently published reports cited by PubMed or Web of Science on the topic of cardiovascular toxicity induced by PM2.5 that carried the term in vitro. Here, we summarized the suggested mechanisms of PM2.5 leading to adverse effects and cardiovascular toxicity including oxidative stress; the increase of vascular endothelial permeability; the injury of vasomotor function and vascular reparative capacity in vascular endothelial cell lines; macrophage polarization and apoptosis in macrophage cell lines; and hypermethylation and apoptosis in the AC16 cell line and the related signaling pathways, which provided a new research direction of cardiovascular toxicity of PM2.5.
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Affiliation(s)
- Tianyang Zhao
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China
| | - Wen Qi
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China
| | - Pan Yang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China
- Jilin Provincial Center for Disease Control and Prevention (Jilin Provincial Institute of Public Health), Changchun, China
| | - Liwei Yang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China
| | - Yanbin Shi
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China
| | - Liting Zhou
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China.
| | - Lin Ye
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, 1163 Xin Min Street, Changchun, China.
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Tutzauer J, Gonzalez de Valdivia E, Swärd K, Alexandrakis Eilard I, Broselid S, Kahn R, Olde B, Leeb-Lundberg LMF. Ligand-independent G protein-coupled Estrogen Receptor (GPER)/GPR30 Activity: Lack of receptor-dependent effects of G-1 and 17β-estradiol.. Mol Pharmacol 2021; 100:271-282. [PMID: 34330822 PMCID: PMC8626787 DOI: 10.1124/molpharm.121.000259] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 06/06/2021] [Indexed: 11/22/2022] Open
Abstract
G protein–coupled receptor 30 (GPR30) is a membrane receptor reported to bind 17β-estradiol (E2) and mediate rapid nongenomic estrogen responses, hence also named G protein–coupled estrogen receptor. G-1 is a proposed GPR30-specific agonist that has been used to implicate the receptor in several pathophysiological events. However, controversy surrounds the role of GPR30 in G-1 and E2 responses. We investigated GPR30 activity in the absence and presence of G-1 and E2 in several eukaryotic systems ex vivo and in vitro in the absence and presence of the receptor. Ex vivo activity was addressed using the caudal artery from wild-type (WT) and GPR30 knockout (KO) mice, and in vitro activity was addressed using a HeLa cell line stably expressing a synthetic multifunctional promoter (nuclear factor κB, signal transducer and activator of transcription, activator protein 1)–luciferase construct (HFF11 cells) and a human GPR30-inducible T-REx system (T-REx HFF11 cells), HFF11 and human embryonic kidney 293 cells transiently expressing WT GPR30 and GPR30 lacking the C-terminal PDZ (postsynaptic density-95/discs-large /zonula occludens-1 homology) motif SSAV, and yeast Saccharomyces cerevisiae transformed to express GPR30. WT and KO arteries exhibited similar contractile responses to 60 mM KCl and 0.3 μM cirazoline, and G-1 relaxed both arteries with the same potency and efficacy. Furthermore, expression of GPR30 did not introduce any responses to 1 μM G-1 and 0.1 μM E2 in vitro. On the other hand, receptor expression caused considerable ligand-independent activity in vitro, which was receptor PDZ motif-dependent in mammalian cells. We conclude from these results that GPR30 exhibits ligand-independent activity in vitro but no G-1– or E2-stimulated activity in any of the systems used.
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Affiliation(s)
- Julia Tutzauer
- Department of Experimental Medical Science, Lund University, Sweden
| | | | - Karl Swärd
- Department of Experimental Medical Science, Lund University, Sweden
| | | | - Stefan Broselid
- Department of Experimental Medical Science, Lund University, Sweden
| | - Robin Kahn
- Department of Clinical Sciences Lund, Lund University, Sweden
| | - Björn Olde
- Department of Clinical Sciences Lund, Lund University, Sweden
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Qie Y, Qin W, Zhao K, Liu C, Zhao L, Guo LH. Environmental Estrogens and Their Biological Effects through GPER Mediated Signal Pathways. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116826. [PMID: 33706245 DOI: 10.1016/j.envpol.2021.116826] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
Many environmental chemicals have been found to exert estrogenic effects in cells and experimental animals by activating nuclear receptors such as estrogen receptors and estrogen-related receptors. These compounds include bisphenols, pesticides, polybrominated diphenyl ethers (PBDEs), organophosphate flame retardants, phthalates and metalloestrogens. G protein-coupled estrogen receptor (GPER) exists widely in numerous cells/tissues of human and other vertebrates. A number of studies have demonstrated that GPER plays a vital role in mediating the estrogenic effects of environmental pollutants. Even at very low concentrations, these chemicals may activate GPER pathways, thus affect many aspects of cellular functions including proliferation, metastasis and apoptosis, resulting in cancer progression, cardiovascular disorders, and reproductive dysfunction. This review summarized the environmental occurrence and human exposure levels of these pollutants, and integrated current experimental evidence toward revealing the underlying mechanisms of pollutant-induced cellular dysfunction via GPER. The GPER mediated rapid non-genomic actions play an important role in the process leading to the adverse effects observed in experimental animals and even in human beings.
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Affiliation(s)
- Yu Qie
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Weiping Qin
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Keda Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Chang Liu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing, 100049, People's Republic of China
| | - Lixia Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, People's Republic of China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310007, People's Republic of China
| | - Liang-Hong Guo
- Institute of Environmental and Health Sciences, China Jiliang University, Hangzhou, Zhejiang, 310018, People's Republic of China; Institute of Environment and Health, Jianghan University, Wuhan, Hubei, People's Republic of China.
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Patwardhan A, Cheng N, Trejo J. Post-Translational Modifications of G Protein-Coupled Receptors Control Cellular Signaling Dynamics in Space and Time. Pharmacol Rev 2021; 73:120-151. [PMID: 33268549 PMCID: PMC7736832 DOI: 10.1124/pharmrev.120.000082] [Citation(s) in RCA: 75] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
G protein-coupled receptors (GPCRs) are a large family comprising >800 signaling receptors that regulate numerous cellular and physiologic responses. GPCRs have been implicated in numerous diseases and represent the largest class of drug targets. Although advances in GPCR structure and pharmacology have improved drug discovery, the regulation of GPCR function by diverse post-translational modifications (PTMs) has received minimal attention. Over 200 PTMs are known to exist in mammalian cells, yet only a few have been reported for GPCRs. Early studies revealed phosphorylation as a major regulator of GPCR signaling, whereas later reports implicated a function for ubiquitination, glycosylation, and palmitoylation in GPCR biology. Although our knowledge of GPCR phosphorylation is extensive, our knowledge of the modifying enzymes, regulation, and function of other GPCR PTMs is limited. In this review we provide a comprehensive overview of GPCR post-translational modifications with a greater focus on new discoveries. We discuss the subcellular location and regulatory mechanisms that control post-translational modifications of GPCRs. The functional implications of newly discovered GPCR PTMs on receptor folding, biosynthesis, endocytic trafficking, dimerization, compartmentalized signaling, and biased signaling are also provided. Methods to detect and study GPCR PTMs as well as PTM crosstalk are further highlighted. Finally, we conclude with a discussion of the implications of GPCR PTMs in human disease and their importance for drug discovery. SIGNIFICANCE STATEMENT: Post-translational modification of G protein-coupled receptors (GPCRs) controls all aspects of receptor function; however, the detection and study of diverse types of GPCR modifications are limited. A thorough understanding of the role and mechanisms by which diverse post-translational modifications regulate GPCR signaling and trafficking is essential for understanding dysregulated mechanisms in disease and for improving and refining drug development for GPCRs.
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Affiliation(s)
- Anand Patwardhan
- Department of Pharmacology and the Biomedical Sciences Graduate Program, School of Medicine, University of California, San Diego, La Jolla, California
| | - Norton Cheng
- Department of Pharmacology and the Biomedical Sciences Graduate Program, School of Medicine, University of California, San Diego, La Jolla, California
| | - JoAnn Trejo
- Department of Pharmacology and the Biomedical Sciences Graduate Program, School of Medicine, University of California, San Diego, La Jolla, California
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Zhou C, Li P, Han M, Gao X. Daidzein stimulates fatty acid-induced fat deposition in C2C12 myoblast cells via the G protein-coupled receptor 30 pathway. Anim Biotechnol 2020; 33:851-863. [PMID: 33164657 DOI: 10.1080/10495398.2020.1842749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Fat deposition in skeletal muscle is an important aspect of improving meat quality. Isoflavones can promote animal anabolism, but whether and how they regulate muscle fat deposition remain largely unclear. In this study, we explored the role and corresponding molecular mechanism of one of the major isoflavones, daidzein, in fat deposition in C2C12 myoblast cells. In the absence of fatty acids (FAs), daidzein did not promote triglyceride synthesis and lipid droplet formation in cells but increased sterol regulatory element-binding protein 1c (SREBP-1c) expression and maturation. In the presence of FAs, daidzein enhanced FAs-induced fat deposition and the SREBP-1c signaling. Daidzein promoted FAs-induced nuclear factor κB1 (NFκB1) phosphorylation and activated the SREBP-1c signaling in a PI3K-dependent manner. G protein-coupled receptor 30 (GPR30) knockdown but not estrogen receptor α (ERα) knockdown blocked the stimulation of daidzein on the PI3K-NFκB1-SREBP-1c signaling pathway, while both knockdown did not affect the stimulation of FAs on this signaling. qRT-PCR and ChIP-qPCR further detected that daidzein stimulated NFκB1-targeted SREBP-1c transcription. Daidzein did not affect ERα expression in cells, but it stimulated GPR30 expression and cytoplasmic localization. These results reveal that daidzein promotes FAs-induced fat deposition through the GPR30 signaling in C2C12 myoblast cells.
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Affiliation(s)
- Chengjian Zhou
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Ping Li
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Meihong Han
- College of Animal Science, Yangtze University, Jingzhou, China
| | - Xuejun Gao
- College of Animal Science, Yangtze University, Jingzhou, China
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Meng Z, Li C, Ding G, Cao W, Xu X, Heng Y, Deng Y, Li Y, Zhang X, Li D, Wang W, Wang Y, Xing W, Hou H. Glycomics: Immunoglobulin G N-Glycosylation Associated with Mammary Gland Hyperplasia in Women. OMICS-A JOURNAL OF INTEGRATIVE BIOLOGY 2020; 24:551-558. [PMID: 32833579 DOI: 10.1089/omi.2020.0091] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Mammary gland hyperplasia (MGH) is very common, especially among young and middle-aged women. New diagnostics and biomarkers for MGH are needed for rational clinical management and precision medicine. We report, in this study, new findings using a glycomics approach, with a focus on immunoglobulin G (IgG) N-glycosylation. A cross-sectional study was conducted in a community-based population sample in Beijing, China. A total of 387 participants 40-65 years of age were enrolled in this study, including 194 women with MGH (cases) and 193 women who had no MGH (controls). IgG N-glycans were characterized in the serum by ultra-performance liquid chromatography. The levels of the glycan peaks (GPs) GP2, GP5, GP6, and GP7 were lower in the MGH group compared with the control group, whereas GP14 was significantly higher in the MGH group (p < 0.05). A predictive model using GP5, GP21, and age was established and a receiver operating characteristic curve analysis was performed. The sensitivity and specificity of the model for MGH was 61.3% and 63.2%, respectively, likely owing to receptor mechanisms and/or inflammation regulation. To the best of our knowledge, this is the first study reporting on an association between IgG N-glycosylation and MGH. We suggest person-to-person variations in IgG N-glycans and their combination with multiomics biomarker strategies offer a promising avenue to identify novel diagnostics and individuals at increased risk of MGH.
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Affiliation(s)
- Zixiu Meng
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Cancan Li
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Guoyong Ding
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Weijie Cao
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Xizhu Xu
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yuanyuan Heng
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yang Deng
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Yuejin Li
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Xiaoyu Zhang
- Beijing Key Laboratory of Clinical Epidemiology, School of Public Health, Capital Medical University, Beijing, China
| | - Dong Li
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Wei Wang
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China.,School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia
| | - Youxin Wang
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China.,School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia.,School of Public Health and Management, Binzhou Medical University, Yantai, China
| | - Weijia Xing
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China
| | - Haifeng Hou
- School of Public Health, Shandong First Medical University and Shandong Academy of Medical Sciences, Taian, China.,School of Medical and Health Sciences, Edith Cowan University, Perth, Western Australia, Australia
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Janezic EM, Lauer SML, Williams RG, Chungyoun M, Lee KS, Navaluna E, Lau HT, Ong SE, Hague C. N-glycosylation of α 1D-adrenergic receptor N-terminal domain is required for correct trafficking, function, and biogenesis. Sci Rep 2020; 10:7209. [PMID: 32350295 PMCID: PMC7190626 DOI: 10.1038/s41598-020-64102-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 04/09/2020] [Indexed: 01/21/2023] Open
Abstract
G protein-coupled receptor (GPCR) biogenesis, trafficking, and function are regulated by post-translational modifications, including N-glycosylation of asparagine residues. α1D-adrenergic receptors (α1D-ARs) - key regulators of central and autonomic nervous system function - contain two putative N-glycosylation sites within the large N-terminal domain at N65 and N82. However, determining the glycosylation state of this receptor has proven challenging. Towards understanding the role of these putative glycosylation sites, site-directed mutagenesis and lectin affinity purification identified N65 and N82 as bona fide acceptors for N-glycans. Surprisingly, we also report that simultaneously mutating N65 and N82 causes early termination of α1D-AR between transmembrane domain 2 and 3. Label-free dynamic mass redistribution and cell surface trafficking assays revealed that single and double glycosylation deficient mutants display limited function with impaired plasma membrane expression. Confocal microscopy imaging analysis and SNAP-tag sucrose density fractionation assays revealed the dual glycosylation mutant α1D-AR is widely distributed throughout the cytosol and nucleus. Based on these novel findings, we propose α1D-AR transmembrane domain 2 acts as an ER localization signal during active protein biogenesis, and that α1D-AR N-terminal glycosylation is required for complete translation of nascent, functional receptor.
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Affiliation(s)
- Eric M Janezic
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Sophia My-Linh Lauer
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Robert George Williams
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Michael Chungyoun
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Kyung-Soon Lee
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Edelmar Navaluna
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Ho-Tak Lau
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Shao-En Ong
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA
| | - Chris Hague
- Department of Pharmacology, School of Medicine, University of Washington, 1959 NE Pacific Street, Seattle, WA, 98185, USA.
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13
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Hirao-Suzuki M, Takeda S, Kodama Y, Takiguchi M, Toda A, Ohara M. Metalloestrogenic effects of cadmium are absent in long-term estrogen-deprived MCF-7 cells: Evidence for the involvement of constitutively activated estrogen receptor α and very low expression of G protein-coupled estrogen receptor 1. Toxicol Lett 2020; 319:22-30. [DOI: 10.1016/j.toxlet.2019.10.018] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 10/17/2019] [Accepted: 10/22/2019] [Indexed: 02/06/2023]
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