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Dinh QN, Vinh A, Arumugam TV, Drummond GR, Sobey CG. G protein-coupled estrogen receptor 1: a novel target to treat cardiovascular disease in a sex-specific manner? Br J Pharmacol 2021; 178:3849-3863. [PMID: 33948934 DOI: 10.1111/bph.15521] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/23/2021] [Accepted: 04/28/2021] [Indexed: 12/19/2022] Open
Abstract
As an agonist of the classical nuclear receptors, estrogen receptor-α and -β (NR3A1/2), estrogen has been assumed to inhibit the development of cardiovascular disease in premenopausal women. Indeed, reduced levels of estrogen after menopause are believed to contribute to accelerated morbidity and mortality rates in women. However, estrogen replacement therapy has variable effects on cardiovascular risk in postmenopausal women, including increased serious adverse events. Interestingly, preclinical studies have shown that selective activation of the novel membrane-associated G protein-coupled estrogen receptor, GPER, can promote cardiovascular protection. These benefits are more evident in ovariectomised than intact females or in males. It is therefore possible that selective targeting of the GPER in postmenopausal women could provide cardiovascular protection with fewer adverse effects that are caused by conventional 'receptor non-specific' estrogen replacement therapy. This review describes new data regarding the merits of targeting GPER to treat cardiovascular disease with a focus on sex differences.
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Affiliation(s)
- Quynh Nhu Dinh
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, Victoria, Australia
| | - Antony Vinh
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, Victoria, Australia
| | - Thiruma V Arumugam
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, Victoria, Australia
| | - Grant R Drummond
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, Victoria, Australia
| | - Christopher G Sobey
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, Victoria, Australia
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Qiu YA, Xiong J, Yu T. Role of G Protein-Coupled Estrogen Receptor in Digestive System Carcinomas: A Minireview. Onco Targets Ther 2021; 14:2611-2622. [PMID: 33888991 PMCID: PMC8055353 DOI: 10.2147/ott.s291896] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 03/16/2021] [Indexed: 12/14/2022] Open
Abstract
Digestive system carcinomas are one of the leading causes of cancer-related deaths worldwide. G protein-coupled estrogen receptor (GPER), a novel estrogen receptor, has been recognized as an important mediator in numerous cancer types. Recently, the function and clinical significance of GPER in digestive system carcinomas has been a subject of interest. Increasing evidence has revealed that GPER plays an important role as a potential biomarker in digestive system carcinomas. This work summarizes the recent literature and focuses on the emerging functional role of GPER in digestive system carcinomas, including gastric cancer, hepatocellular carcinoma, pancreatic cancer, and colorectal cancer. The potential application of GPER in novel strategies for the diagnosis and treatment of digestive system carcinomas is discussed and highlighted.
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Affiliation(s)
- Yu-An Qiu
- Department of Critical Care Medicine, Jiangxi Cancer Hospital, Nanchang University Cancer Hospital, Nanchang, 330029, People's Republic of China
| | - Jianping Xiong
- Department of Oncology, The First Affiliated Hospital of Nanchang University, Nanchang, 330006, People's Republic of China
| | - Tenghua Yu
- Department of Breast Surgery, Jiangxi Cancer Hospital, Nanchang University Cancer Hospital, Nanchang, 330029, People's Republic of China
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Meng F, Zhang L, Zhang W. Two forms of G protein-coupled estrogen receptor 1 in the ricefield eel: Expression and functional characterization in relation to ovarian follicle development. Gen Comp Endocrinol 2021; 304:113720. [PMID: 33508329 DOI: 10.1016/j.ygcen.2021.113720] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2020] [Revised: 01/01/2021] [Accepted: 01/15/2021] [Indexed: 01/02/2023]
Abstract
G protein-coupled estrogen receptor 1 (Gper1) mediates many rapid, non-genomic estrogenic effects in vertebrates, and plays an important reproductive role in the maintenance of oocyte meiotic arrest in teleost fishes. In the present study, two genes for Gper1, namely gper1a and gper1b, were identified in the genome of a teleost fish, the ricefield eel (Monopterus albus) through Blast and syntenic analysis. Although genes neighboring gper1b are of high synteny, ricefield eel Gper1b shares very low (around 15) percent identities with Gper1 homologues of other vertebrates. In transiently transfected HEK293T cells, both ricefield eel Gper1a and Gper1b responded to estradiol (E2) and estradiol-BSA (E2-BSA) challenges by activating pCRE but not pSRE luciferase reporters, which were abolished by G-15 and NF-449. The production of cAMP was also increased in HEK293T cells transfected with Gper1a or Gper1b expression construct after E2-BSA challenge, which was also abolished by G-15. Surprisingly, both Gper1a and Gper1b showed ligand-independent effects on pCRE luciferase reporters at higher transfected doses (10 ng). RT-PCR analysis showed that the transcript of gper1a is broadly expressed in tissues of both female and male fish while the expression of gper1b in tissues demonstrates obvious sexual dimorphism, with transcripts detected in all tissues examined in female whereas they were barely detectable in some peripheral tissues of male including the testis. In the ovary, the expression of both gper1a and gper1b was detected in the oocyte but not the follicular layer, with the mRNA levels increased during vitellogenesis, peaked at the late vitellogenic stage, and decreased precipitously at the full-grown and germinal vesicle breakdown (GVBD) stages. Moreover, E2 and E2-BSA induced cAMP production in the in vitro incubated follicles at mid-vitellogenic stage but not the GVBD stage, and the induction could be completely abolished by G-15, a Gper1 inhibitor. Taken together, these results suggest that both Gper1a and Gper1b may play important roles in the development and maturation of ovarian follicles in ricefield eels, possibly through inhibition of oocyte meiotic resumption.
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Affiliation(s)
- Feiyan Meng
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou, PR China
| | - Lihong Zhang
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou, PR China; Biology Department, School of Life Sciences, Sun Yat-Sen University, Guangzhou, PR China.
| | - Weimin Zhang
- Institute of Aquatic Economic Animals and Guangdong Province Key Laboratory for Aquatic Economic Animals, School of Life Sciences, Sun Yat-Sen University, Guangzhou, PR China; Biology Department, School of Life Sciences, Sun Yat-Sen University, Guangzhou, PR China.
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Le Magueresse-Battistoni B. Endocrine disrupting chemicals and metabolic disorders in the liver: What if we also looked at the female side? CHEMOSPHERE 2021; 268:129212. [PMID: 33359838 DOI: 10.1016/j.chemosphere.2020.129212] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 05/07/2023]
Abstract
Endocrine disrupting chemicals (EDCs) are linked to the worldwide epidemic incidence of metabolic disorders and fatty liver diseases, which affects quality of life and represents a high economic cost to society. Energy homeostasis exhibits strong sexual dimorphic traits, and metabolic organs respond to EDCs depending on sex, such as the liver, which orchestrates both drug elimination and glucose and lipid metabolism. In addition, fatty liver diseases show a strong sexual bias, which in part could also originate from sex differences observed in gut microbiota. The aim of this review is to highlight significant differences in endocrine and metabolic aspects of the liver, between males and females throughout development and into adulthood. It is also to illustrate how the male and female liver differently cope with exposure to various EDCs such as bisphenols, phthalates and persistent organic chemicals in order to draw attention to the need to include both sexes in experimental studies. Interesting data come from analyses of the composition and diversity of the gut microbiota in males exposed to the mentioned EDCs showing significant correlations with hepatic lipid accumulation and metabolic disorders but information on females is lacking or incomplete. As industrialization increases, the list of anthropogenic chemicals to which humans will be exposed will also likely increase. In addition to strengthening existing regulations, encouraging populations to protect themselves and promoting the substitution of harmful chemicals with safe products, innovative strategies based on sex differences in the gut microbiota and in the gut-liver axis could be optimistic outlook.
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Niță AR, Knock GA, Heads RJ. Signalling mechanisms in the cardiovascular protective effects of estrogen: With a focus on rapid/membrane signalling. Curr Res Physiol 2021; 4:103-118. [PMID: 34746830 PMCID: PMC8562205 DOI: 10.1016/j.crphys.2021.03.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/11/2021] [Accepted: 03/17/2021] [Indexed: 12/22/2022] Open
Abstract
In modern society, cardiovascular disease remains the biggest single threat to life, being responsible for approximately one third of worldwide deaths. Male prevalence is significantly higher than that of women until after menopause, when the prevalence of CVD increases in females until it eventually exceeds that of men. Because of the coincidence of CVD prevalence increasing after menopause, the role of estrogen in the cardiovascular system has been intensively researched during the past two decades in vitro, in vivo and in observational studies. Most of these studies suggested that endogenous estrogen confers cardiovascular protective and anti-inflammatory effects. However, clinical studies of the cardioprotective effects of hormone replacement therapies (HRT) not only failed to produce proof of protective effects, but also revealed the potential harm estrogen could cause. The "critical window of hormone therapy" hypothesis affirms that the moment of its administration is essential for positive treatment outcomes, pre-menopause (3-5 years before menopause) and immediately post menopause being thought to be the most appropriate time for intervention. Since many of the cardioprotective effects of estrogen signaling are mediated by effects on the vasculature, this review aims to discuss the effects of estrogen on vascular smooth muscle cells (VSMCs) and endothelial cells (ECs) with a focus on the role of estrogen receptors (ERα, ERβ and GPER) in triggering the more recently discovered rapid, or membrane delimited (non-genomic), signaling cascades that are vital for regulating vascular tone, preventing hypertension and other cardiovascular diseases.
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Affiliation(s)
- Ana-Roberta Niță
- School of Bioscience Education, Faculty of Life Sciences and Medicine, King’s College London, UK
| | - Greg A. Knock
- School of Bioscience Education, Faculty of Life Sciences and Medicine, King’s College London, UK
- School of Immunology and Microbial Sciences, Faculty of Life Sciences and Medicine, King’s College London, London, UK
| | - Richard J. Heads
- School of Bioscience Education, Faculty of Life Sciences and Medicine, King’s College London, UK
- Cardiovascular Research Section, King’s BHF Centre of Research Excellence, School of Cardiovascular Medicine and Sciences, Faculty of Life Sciences and Medicine, King’s College London, UK
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Sexual hormones and diabetes: The impact of estradiol in pancreatic β cell. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2021. [PMID: 33832654 DOI: 10.1016/bs.ircmb.2021.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/13/2023]
Abstract
Diabetes is one of the most prevalent metabolic diseases and its incidence is increasing throughout the world. Data from World Health Organization (WHO) point-out that diabetes is a major cause of blindness, kidney failure, heart attacks, stroke and lower limb amputation and estimated 1.6 million deaths were directly caused by it in 2016. Population studies show that the incidence of this disease increases in women after menopause, when the production of estrogen is decreasing in them. Knowing the impact that estrogenic signaling has on insulin-secreting β cells is key to prevention and design of new therapeutic targets. This chapter explores the role of estrogen and their receptors in the regulation of insulin secretion and biosynthesis, proliferation, regeneration and survival in pancreatic β cells. In addition, delves into the genetic animal models developed and its application for the specific study of the different estrogen signaling pathways. Finally, discusses the impact of menopause and hormone replacement therapy on pancreatic β cell function.
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Anagnostis P, Bosdou JK, Vaitsi K, Goulis DG, Lambrinoudaki I. Estrogen and bones after menopause: a reappraisal of data and future perspectives. Hormones (Athens) 2021; 20:13-21. [PMID: 32519298 DOI: 10.1007/s42000-020-00218-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/01/2020] [Indexed: 12/21/2022]
Abstract
Menopausal hormone therapy (MHT) is effective in preventing menopause-related bone loss and decreasing vertebral, non-vertebral and hip fracture risk. MHT contains estrogens that exert both antiosteoclastic and osteoanabolic effects. These effects are dose-dependent, as even ultra-low doses preserve or increase bone mineral density. The transdermal route of administration is effective on cancellous and cortical bone, although fracture data are still lacking. Hormone replacement therapy is the treatment of choice to preserve skeletal health in women with premature ovarian insufficiency and early menopause. MHT can be considered in women aged < 60 years or within 10 years since menopause as, in this population, benefits outweigh possible risks, such as breast cancer and cardiovascular events. Despite the ensuing bone loss after MHT discontinuation, a residual antifracture effect persists. However, in women at risk of fracture, subsequent antiosteoporotic therapy may be needed, either with an antiosteoclastic or osteoanabolic agent. In any case, longitudinal data from randomized controlled trials comparing different estrogen doses and routes of administration, as well as designating the optimal treatment strategy after MHT discontinuation, are needed to elucidate these issues further.
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Affiliation(s)
- Panagiotis Anagnostis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece.
- Department of Endocrinology, Police Medical Center of Thessaloniki, Thessaloniki, Greece.
| | - Julia K Bosdou
- Unit for Human Reproduction, 1st Department of Obstetrics and Gynecology, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Konstantina Vaitsi
- Department of Endocrinology, Police Medical Center of Thessaloniki, Thessaloniki, Greece
| | - Dimitrios G Goulis
- Unit of Reproductive Endocrinology, 1st Department of Obstetrics and Gynecology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Irene Lambrinoudaki
- 2nd Department of Obstetrics and Gynecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Gohar EY, Almutlaq RN, Daugherty EM, Butt MK, Jin C, Pollock JS, Pollock DM, De Miguel C. Activation of G protein-coupled estrogen receptor 1 ameliorates proximal tubular injury and proteinuria in Dahl salt-sensitive female rats. Am J Physiol Regul Integr Comp Physiol 2021; 320:R297-R306. [PMID: 33407017 PMCID: PMC7988769 DOI: 10.1152/ajpregu.00267.2020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 12/21/2020] [Accepted: 12/21/2020] [Indexed: 01/02/2023]
Abstract
Recent evidence indicates a crucial role for G protein-coupled estrogen receptor 1 (GPER1) in the maintenance of cardiovascular and kidney health in females. The current study tested whether GPER1 activation ameliorates hypertension and kidney damage in female Dahl salt-sensitive (SS) rats fed a high-salt (HS) diet. Adult female rats were implanted with telemetry transmitters for monitoring blood pressure and osmotic minipumps releasing G1 (selective GPER1 agonist, 400 μg/kg/day ip) or vehicle. Two weeks after pump implantation, rats were shifted from a normal-salt (NS) diet (0.4% NaCl) to a matched HS diet (4.0% NaCl) for 2 wk. Twenty-four hour urine samples were collected during both diet periods and urinary markers of kidney injury were assessed. Histological assessment of kidney injury was conducted after the 2-wk HS diet period. Compared with values during the NS diet, 24-h mean arterial pressure markedly increased in response to HS, reaching similar values in vehicle-treated and G1-treated rats. HS also significantly increased urinary excretion of protein, albumin, nephrin (podocyte damage marker), and KIM-1 (proximal tubule injury marker) in vehicle-treated rats. Importantly, G1 treatment prevented the HS-induced proteinuria, albuminuria, and increase in KIM-1 excretion but not nephrinuria. Histological analysis revealed that HS-induced glomerular damage did not differ between groups. However, G1 treatment preserved proximal tubule brush-border integrity in HS-fed rats. Collectively, our data suggest that GPER1 activation protects against HS-induced proteinuria and albuminuria in female Dahl SS rats by preserving proximal tubule brush-border integrity in a blood pressure-independent manner.
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Affiliation(s)
- Eman Y Gohar
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Rawan N Almutlaq
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Elizabeth M Daugherty
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Maryam K Butt
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Chunhua Jin
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Jennifer S Pollock
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - David M Pollock
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
| | - Carmen De Miguel
- Cardio-Renal Physiology and Medicine Section, Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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Sharma G, Prossnitz ER. Targeting the G protein-coupled estrogen receptor (GPER) in obesity and diabetes. ENDOCRINE AND METABOLIC SCIENCE 2021; 2. [PMID: 35321004 PMCID: PMC8936744 DOI: 10.1016/j.endmts.2021.100080] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Obesity has become a global epidemic in the modern world with the numbers of obese individuals having risen at alarming rates in the last decades. Obesity represents a serious medical condition that can lead to multiple complications, such as diabetes, dyslipidemia, cardiovascular disease including hypertension and atherosclerosis, stroke and increases in the risk of many types of cancer. Very few effective options exist to treat obesity, with many removed from the market due to associated complications. Obesity and metabolic syndrome display a sexual dichotomy, with (premenopausal) females displaying protection from weight gain and metabolic dysfunction compared to men. These beneficial effects are generally attributed to a class of female ovarian hormone, estrogens, which exert pleiotropic effects in multiple metabolic tissues, such as adipose, skeletal muscle, liver and pancreas. Multiple receptors mediate the actions of estrogens, including the classical nuclear estrogen receptors (ER α and ER β) and the G protein-coupled estrogen receptor (GPER). While the roles of nuclear ERs are more established, evidence of GPER function in metabolic homeostasis is still emerging. In this review, we will discuss the latest advances concerning the contributions of GPER towards obesity and metabolism utilizing GPER-selective pharmacological (agonists or antagonists) or genetic (GPER knock out mice or cells) tools. We present evidence that GPER regulates body weight, fat distribution, inflammation and glucose and lipid homeostasis via effects on metabolic tissues. Selective agonism of GPER by its agonist G-1 can alleviate symptoms of obesity and metabolic dysfunction in multiple murine models, thereby limiting weight gain, reducing insulin resistance and inflammation and improving glucose and lipid homeostasis in vivo. Thus, GPER represents a novel therapeutic target, with G-1 a first-in-class therapeutic agent, to treat obesity and its associated comorbidities, including diabetes.
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Dinh QN, Vinh A, Kim HA, Saini N, Broughton BRS, Chrissobolis S, Diep H, Judkins CP, Drummond GR, Sobey CG. Aldosterone-induced hypertension is sex-dependent, mediated by T cells and sensitive to GPER activation. Cardiovasc Res 2021; 117:960-970. [PMID: 32215568 DOI: 10.1093/cvr/cvaa075] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/30/2020] [Accepted: 03/20/2020] [Indexed: 12/23/2022] Open
Abstract
AIMS The G protein-coupled estrogen receptor 1 (GPER) may modulate some effects of aldosterone. In addition, G-1 (a GPER agonist) can lower blood pressure (BP) and promote T cell-mediated anti-inflammatory responses. This study aimed to test the effects of G-1 and G-15 (a GPER antagonist) on aldosterone-induced hypertension in mice and to examine the cellular mechanisms involved. METHODS AND RESULTS C57Bl/6 (wild-type, WT), RAG1-deficient and GPER-deficient mice were infused with vehicle, aldosterone (0.72 mg/kg/day S.C. plus 0.9% NaCl for drinking) ± G-1 (0.03 mg/kg/day S.C.) ± G-15 (0.3 mg/kg/day S.C.) for 14 days. G-1 attenuated aldosterone-induced hypertension in male WT but not male GPER-deficient mice. G-15 alone did not alter hypertension but it prevented the anti-hypertensive effect of G-1. In intact female WT mice, aldosterone-induced hypertension was markedly delayed and suppressed compared with responses in males, with BP remaining unchanged until after Day 7. In contrast, co-administration of aldosterone and G-15 fully increased BP within 7 days in WT females. Similarly, aldosterone robustly increased BP by Day 7 in ovariectomized WT females, and in both sexes of GPER-deficient mice. Whereas aldosterone had virtually no effect on BP in RAG1-deficient mice, adoptive transfer of T cells from male WT or male GPER-deficient mice into male RAG1-deficient mice restored the pressor response to aldosterone. This pressor effect could be attenuated by G-1 in RAG1-deficient mice that were reconstituted with either WT or GPER-deficient T cells, suggesting that G-1 does not act via T cells to lower BP. CONCLUSION Our findings indicate that although aldosterone-induced hypertension is largely mediated by T cells, it can be attenuated by activation of GPER on non-T cells, which accounts for the sex difference in sensitivity to the pressor effect.
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MESH Headings
- Aldosterone
- Animals
- Antihypertensive Agents/pharmacology
- Benzodioxoles/pharmacology
- Blood Pressure/drug effects
- Cyclopentanes/pharmacology
- Disease Models, Animal
- Estrogen Antagonists/pharmacology
- Female
- Homeodomain Proteins/genetics
- Homeodomain Proteins/metabolism
- Hypertension/chemically induced
- Hypertension/immunology
- Hypertension/metabolism
- Hypertension/prevention & control
- Male
- Mice, Inbred C57BL
- Mice, Knockout
- Ovariectomy
- Quinolines/pharmacology
- Receptors, Estrogen/antagonists & inhibitors
- Receptors, Estrogen/genetics
- Receptors, Estrogen/metabolism
- Receptors, G-Protein-Coupled/agonists
- Receptors, G-Protein-Coupled/antagonists & inhibitors
- Receptors, G-Protein-Coupled/genetics
- Receptors, G-Protein-Coupled/metabolism
- Sex Factors
- Signal Transduction
- T-Lymphocytes/immunology
- T-Lymphocytes/metabolism
- Mice
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Affiliation(s)
- Quynh Nhu Dinh
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Antony Vinh
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Hyun Ah Kim
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Narbada Saini
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
| | - Brad R S Broughton
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Sophocles Chrissobolis
- Department of Pharmaceutical and Biomedical Sciences, Raabe College of Pharmacy, Ohio Northern University, Ada, OH, USA
| | - Henry Diep
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Courtney P Judkins
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Grant R Drummond
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
| | - Christopher G Sobey
- Department of Physiology, Anatomy and Microbiology and Centre for Cardiovascular Biology and Disease Research, School of Life Sciences, La Trobe University, Bundoora, VIC 3086, Australia
- Cardiovascular Disease Program, Biomedicine Discovery Institute and Department of Pharmacology, Monash University, Clayton, VIC 3800, Australia
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61
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Contoreggi NH, Mazid S, Goldstein LB, Park J, Ovalles AC, Waters EM, Glass MJ, Milner TA. Sex and age influence gonadal steroid hormone receptor distributions relative to estrogen receptor β-containing neurons in the mouse hypothalamic paraventricular nucleus. J Comp Neurol 2021; 529:2283-2310. [PMID: 33341960 DOI: 10.1002/cne.25093] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 12/17/2022]
Abstract
Within the hypothalamic paraventricular nucleus (PVN), estrogen receptor (ER) β and other gonadal hormone receptors play a role in central cardiovascular processes. However, the influence of sex and age on the cellular and subcellular relationships of ERβ with ERα, G-protein ER (GPER1), as well as progestin and androgen receptors (PR and AR) in the PVN is uncertain. In young (2- to 3-month-old) females and males, ERβ-enhanced green fluorescent protein (EGFP) containing neurons were approximately four times greater than ERα-labeled and PR-labeled nuclei in the PVN. In subdivisions of the PVN, young females, compared to males, had: (1) more ERβ-EGFP neurons in neuroendocrine rostral regions; (2) fewer ERα-labeled nuclei in neuroendocrine and autonomic projecting medial subregions; and (3) more ERα-labeled nuclei in an autonomic projecting caudal region. In contrast, young males, compared to females, had approximately 20 times more AR-labeled nuclei, which often colocalized with ERβ-EGFP in neuroendocrine (approximately 70%) and autonomic (approximately 50%) projecting subregions. Ultrastructurally, in soma and dendrites, PVN ERβ-EGFP colocalized primarily with extranuclear AR (approximately 85% soma) and GPER1 (approximately 70% soma). Aged (12- to 24-month-old) males had more ERβ-EGFP neurons in a rostral neuroendocrine subregion compared to aged females and females with accelerated ovarian failure (AOF) and in a caudal autonomic subregion compared to post-AOF females. Late-aged (18- to 24-month-old) females compared to early-aged (12- to 14-month-old) females and AOF females had fewer AR-labeled nuclei in neuroendrocrine and autonomic projecting subregions. These findings indicate that gonadal steroids may directly and indirectly influence PVN neurons via nuclear and extranuclear gonadal hormone receptors in a sex-specific manner.
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Affiliation(s)
| | - Sanoara Mazid
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - Lily B Goldstein
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - John Park
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - Astrid C Ovalles
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - Elizabeth M Waters
- Harold and Margaret Milliken Hatch Laboratory of Neuroendocrinology, The Rockefeller University, NY
| | - Michael J Glass
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY
| | - Teresa A Milner
- Feil Family Brain and Mind Research Institute, Weill Cornell Medicine, New York, NY.,Harold and Margaret Milliken Hatch Laboratory of Neuroendocrinology, The Rockefeller University, NY
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62
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Chen JR, Zhao H, Wankhade UD, Chintapalli SV, Li C, Gai D, Shankar K, Zhan F, Lazarenko OP. GPR109A mediates the effects of hippuric acid on regulating osteoclastogenesis and bone resorption in mice. Commun Biol 2021; 4:53. [PMID: 33420329 PMCID: PMC7794563 DOI: 10.1038/s42003-020-01564-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 11/26/2020] [Indexed: 12/26/2022] Open
Abstract
The G protein-coupled receptor 109 A (GPR109A) is robustly expressed in osteoclastic precursor macrophages. Previous studies suggested that GPR109A mediates effects of diet-derived phenolic acids such as hippuric acid (HA) and 3-(3-hydroxyphenyl) propionic acid (3-3-PPA) on promoting bone formation. However, the role of GPR109A in metabolic bone homeostasis and osteoclast differentiation has not been investigated. Using densitometric, bone histologic and molecular signaling analytic methods, we uncovered that bone mass and strength were significantly higher in tibia and spine of standard rodent diet weaned 4-week-old and 6-month-old GPR109A gene deletion (GPR109A-/-) mice, compared to their wild type controls. Osteoclast numbers in bone and in ex vivo bone marrow cell cultures were significantly decreased in GPR109A-/- mice compared to wild type controls. In accordance with these data, CTX-1 in bone marrow plasma and gene expression of bone resorption markers (TNFα, TRAP, Cathepsin K) were significantly decreased in GPR109A-/- mice, while on the other hand, P1NP was increased in serum from both male and female GPR109A-/- mice compared to their respective controls. GPR109A deletion led to suppressed Wnt/β-catenin signaling in osteoclast precursors to inhibit osteoclast differentiation and activity. Indeed, HA and 3-3-PPA substantially inhibited RANKL-induced GPR109A expression and Wnt/β-catenin signaling in osteoclast precursors and osteoclast differentiation. Resultantly, HA significantly inhibited bone resorption and increased bone mass in wild type mice, but had no additional effects on bone in GPR109A-/- mice compared with their respective untreated control mice. These results suggest an important role for GPR109A during osteoclast differentiation and bone resorption mediating effects of HA and 3-3-PPA on inhibiting bone resorption during skeletal development.
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Affiliation(s)
- Jin-Ran Chen
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA.
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA.
| | - Haijun Zhao
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Umesh D Wankhade
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Sree V Chintapalli
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Can Li
- Myeloma Center, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Dongzheng Gai
- Myeloma Center, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Kartik Shankar
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
- Department of Pediatrics, Section of Nutrition, University of Colorado School of Medicine, Aurora, CO, 80045, USA
| | - Fenghuang Zhan
- Myeloma Center, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
| | - Oxana P Lazarenko
- Arkansas Children's Nutrition Center, Little Rock, AR, 72202, USA
- Department of Pediatrics, University of Arkansas for Medical Sciences, Little Rock, AR, 72202, USA
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63
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Wu XJ, Williams MJ, Kew KA, Converse A, Thomas P, Zhu Y. Reduced Vitellogenesis and Female Fertility in Gper Knockout Zebrafish. Front Endocrinol (Lausanne) 2021; 12:637691. [PMID: 33790865 PMCID: PMC8006473 DOI: 10.3389/fendo.2021.637691] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/14/2021] [Indexed: 12/13/2022] Open
Abstract
The role G-protein coupled estrogen receptor (GPER) plays in vertebrate reproduction remains controversial. To investigate GPER's reproductive role, we generated a gper zebrafish mutant line (gper-/- ) using TALENs. Gper mutant females exhibited reduced fertility with a 40.85% decrease in embryo production which was associated with a significant decrease in the number of Stage V (730-750 μm) ovulated oocytes. Correspondingly, the number of early vitellogenic follicles (Stage III, 400-450 µm) in gper-/- ovaries was greater than that in wildtypes (wt), suggesting that subsequent follicle development was retarded in the gper-/- fish. Moreover, plasma vitellogenin levels were decreased in gper-/- females, and epidermal growth factor receptor (Egfr) expression was lower in Stage III vitellogenic oocytes than in wt counterparts. However, hepatic nuclear estrogen receptor levels were not altered, and estrogen levels were elevated in ovarian follicles. These results suggest that Gper is involved in the control of ovarian follicle development via regulation of vitellogenesis and Egfr expression in zebrafish.
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Affiliation(s)
- Xin-Jun Wu
- Department of Biology, East Carolina University, Greenville, NC, United States
| | | | - Kimberly Ann Kew
- Department of Biochemistry and Molecular Biology, Brody School of Medicine, East Carolina University, Greenville, NC, United States
| | - Aubrey Converse
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX, United States
| | - Peter Thomas
- Marine Science Institute, University of Texas at Austin, Port Aransas, TX, United States
- *Correspondence: Yong Zhu, ; Peter Thomas,
| | - Yong Zhu
- Department of Biology, East Carolina University, Greenville, NC, United States
- *Correspondence: Yong Zhu, ; Peter Thomas,
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64
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Miyaoku K, Ogino Y, Lange A, Ono A, Kobayashi T, Ihara M, Tanaka H, Toyota K, Akashi H, Yamagishi G, Sato T, Tyler CR, Iguchi T, Miyagawa S. Characterization of G protein-coupled estrogen receptors in Japanese medaka, Oryzias latipes. J Appl Toxicol 2020; 41:1390-1399. [PMID: 33336402 DOI: 10.1002/jat.4130] [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: 07/19/2020] [Revised: 12/03/2020] [Accepted: 12/03/2020] [Indexed: 11/06/2022]
Abstract
The G protein-coupled estrogen receptor 1 (Gper1) is a membrane-bound estrogen receptor that mediates non-genomic action of estrogens. A Gper1-mediating pathway has been implicated in reproductive activities in fish, including oocyte growth, but Gper1 has been characterized in only a very limited number of fish species. In this study, we cloned and characterized two genes encoding medaka (Oryzias latipes) Gper1s, namely, Gper1a and Gper1b, and phylogenic and synteny analyses suggest that these genes originate through a teleost-specific whole genome duplication event. We found that Gper1a induced phosphorylation of mitogen-activated protein kinase (MAPK) in 293T cells transfected with medaka Gper1s on exposure to the natural estrogen, 17β-estradiol (E2) and a synthetic Gper1 agonist (G-1), and treatment with both E2 and G-1 also decreased the rate of spontaneous maturation in medaka oocytes. These findings show that the processes for oocyte growth and maturation are sensitive to estrogens and are possibly mediated through Gper1a in medaka. We also show that 17α-ethinylestradiol (EE2), one of the most potent estrogenic endocrine-disrupting chemicals, and bisphenol A (BPA, a weak environmental estrogen) augmented phosphorylation of MAPK through medaka Gper1s in 293T cells. Interestingly, however, treatment with EE2 or BPA did not attenuate maturation of medaka oocytes. Our findings support that Gper1-mediated effects on oocytes are conserved among fish species, but effects of estrogenic endocrine-disrupting chemicals on oocytes acting through Gper1 may be divergent among fish species.
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Affiliation(s)
- Kaori Miyaoku
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Yukiko Ogino
- Center for Promotion of International Education and Research, Faculty of Agriculture, Kyushu University, Fukuoka, Japan
| | - Anke Lange
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Ayaka Ono
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Tohru Kobayashi
- Graduate School of Nutritional and Environmental Sciences, University of Shizuoka, Shizuoka, Japan
| | - Masaru Ihara
- Research Centre for Environmental Quality Management, Kyoto University, Ohtsu, Japan
| | - Hiroaki Tanaka
- Research Centre for Environmental Quality Management, Kyoto University, Ohtsu, Japan
| | - Kenji Toyota
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan.,Sado Marine Biological Station, Faculty of Science, Niigata University, Sado, Japan
| | - Hiroshi Akashi
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Genki Yamagishi
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan
| | - Tomomi Sato
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Japan
| | - Charles R Tyler
- Biosciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | - Taisen Iguchi
- Graduate School of Nanobioscience, Yokohama City University, Yokohama, Japan
| | - Shinichi Miyagawa
- Faculty of Industrial Science and Technology, Tokyo University of Science, Tokyo, Japan.,Division of Biological Environment Innovation, Research Institute for Science and Technology, Tokyo University of Science, Tokyo, Japan
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65
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Huang KP, Raybould HE. Estrogen and gut satiety hormones in vagus-hindbrain axis. Peptides 2020; 133:170389. [PMID: 32860834 PMCID: PMC8461656 DOI: 10.1016/j.peptides.2020.170389] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2020] [Revised: 07/27/2020] [Accepted: 08/22/2020] [Indexed: 10/23/2022]
Abstract
Estrogens modulate different physiological functions, including reproduction, inflammation, bone formation, energy expenditure, and food intake. In this review, we highlight the effect of estrogens on food intake regulation and the latest literature on intracellular estrogen signaling. In addition, gut satiety hormones, such as cholecystokinin, glucagon-like peptide 1 and leptin are essential to regulate ingestive behaviors in the postprandial period. These peripheral signals are sensed by vagal afferent terminals in the gut wall and transmitted to the hindbrain axis. Here we 1. review the role of the vagus-hindbrain axis in response to gut satiety signals and 2. consider the potential synergistic effects of estrogens on gut satiety signals at the level of vagal afferent neurons and nuclei located in the hindbrain. Understanding the action of estrogens in gut-brain axis provides a potential strategy to develop estrogen-based therapies for metabolic diseases and emphasizes the importance of sex difference in the treatment of obesity.
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Affiliation(s)
- Kuei-Pin Huang
- School of Veterinary Medicine, University of California Davis, CA, United States
| | - Helen E Raybould
- School of Veterinary Medicine, University of California Davis, CA, United States.
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66
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Vahidinia Z, Karimian M, Joghataei MT. Neurosteroids and their receptors in ischemic stroke: From molecular mechanisms to therapeutic opportunities. Pharmacol Res 2020; 160:105163. [DOI: 10.1016/j.phrs.2020.105163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 01/09/2023]
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67
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Sharma G, Hu C, Staquicini DI, Brigman JL, Liu M, Mauvais-Jarvis F, Pasqualini R, Arap W, Arterburn JB, Hathaway HJ, Prossnitz ER. Preclinical efficacy of the GPER-selective agonist G-1 in mouse models of obesity and diabetes. Sci Transl Med 2020; 12:12/528/eaau5956. [PMID: 31996464 DOI: 10.1126/scitranslmed.aau5956] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 07/23/2019] [Accepted: 12/30/2019] [Indexed: 12/12/2022]
Abstract
Human obesity has become a global health epidemic, with few safe and effective pharmacological therapies currently available. The systemic loss of ovarian estradiol (E2) in women after menopause greatly increases the risk of obesity and metabolic dysfunction, revealing the critical role of E2 in this setting. The salutary effects of E2 are traditionally attributed to the classical estrogen receptors ERα and ERβ, with the contribution of the G protein-coupled estrogen receptor (GPER) still largely unknown. Here, we used ovariectomy- and diet-induced obesity (DIO) mouse models to evaluate the preclinical activity of GPER-selective small-molecule agonist G-1 (also called Tespria) against obesity and metabolic dysfunction. G-1 treatment of ovariectomized female mice (a model of postmenopausal obesity) reduced body weight and improved glucose homeostasis without changes in food intake, fuel source usage, or locomotor activity. G-1-treated female mice also exhibited increased energy expenditure, lower body fat content, and reduced fasting cholesterol, glucose, insulin, and inflammatory markers but did not display feminizing effects on the uterus (imbibition) or beneficial effects on bone health. G-1 treatment of DIO male mice did not elicit weight loss but prevented further weight gain and improved glucose tolerance, indicating that G-1 improved glucose homeostasis independently of its antiobesity effects. However, in ovariectomized DIO female mice, G-1 continued to elicit weight loss, reflecting possible sex differences in the mechanisms of G-1 action. In conclusion, this work demonstrates that GPER-selective agonism is a viable therapeutic approach against obesity, diabetes, and associated metabolic abnormalities in multiple preclinical male and female models.
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Affiliation(s)
- Geetanjali Sharma
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Chelin Hu
- Department of Cell Biology and Physiology, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Daniela I Staquicini
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103, USA.,Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
| | - Jonathan L Brigman
- Department of Neurosciences, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Meilian Liu
- Department of Biochemistry and Molecular Biology, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA.,Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Franck Mauvais-Jarvis
- Diabetes Discovery and Sex-Based Medicine Laboratory, Section of Endocrinology and Metabolism, Department of Medicine, Tulane University Health Sciences Center, School of Medicine, New Orleans, LA 70112, USA.,Section of Endocrinology, Southeast Louisiana Veterans Administration Health Care System, New Orleans, LA 70112, USA
| | - Renata Pasqualini
- Division of Cancer Biology, Department of Radiation Oncology, Rutgers New Jersey Medical School, Newark, NJ 07103, USA.,Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA
| | - Wadih Arap
- Rutgers Cancer Institute of New Jersey, Newark, NJ 07103, USA.,Division of Hematology/Oncology, Department of Medicine, Rutgers New Jersey Medical School, Newark, NJ 07103, USA
| | - Jeffrey B Arterburn
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, NM, 88003, USA
| | - Helen J Hathaway
- Department of Cell Biology and Physiology, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA.,University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
| | - Eric R Prossnitz
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA. .,Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA.,University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Science Center, Albuquerque, NM 87131, USA
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68
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Della Torre S. Non-alcoholic Fatty Liver Disease as a Canonical Example of Metabolic Inflammatory-Based Liver Disease Showing a Sex-Specific Prevalence: Relevance of Estrogen Signaling. Front Endocrinol (Lausanne) 2020; 11:572490. [PMID: 33071979 PMCID: PMC7531579 DOI: 10.3389/fendo.2020.572490] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 08/20/2020] [Indexed: 12/11/2022] Open
Abstract
There is extensive evidence supporting the interplay between metabolism and immune response, that have evolved in close relationship, sharing regulatory molecules and signaling systems, to support biological functions. Nowadays, the disruption of this interaction in the context of obesity and overnutrition underlies the increasing incidence of many inflammatory-based metabolic diseases, even in a sex-specific fashion. During evolution, the interplay between metabolism and reproduction has reached a degree of complexity particularly high in female mammals, likely to ensure reproduction only under favorable conditions. Several factors may account for differences in the incidence and progression of inflammatory-based metabolic diseases between females and males, thus contributing to age-related disease development and difference in life expectancy between the two sexes. Among these factors, estrogens, acting mainly through Estrogen Receptors (ERs), have been reported to regulate several metabolic pathways and inflammatory processes particularly in the liver, the metabolic organ showing the highest degree of sexual dimorphism. This review aims to investigate on the interaction between metabolism and inflammation in the liver, focusing on the relevance of estrogen signaling in counteracting the development and progression of non-alcoholic fatty liver disease (NAFLD), a canonical example of metabolic inflammatory-based liver disease showing a sex-specific prevalence. Understanding the role of estrogens/ERs in the regulation of hepatic metabolism and inflammation may provide the basis for the development of sex-specific therapeutic strategies for the management of such an inflammatory-based metabolic disease and its cardio-metabolic consequences.
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Affiliation(s)
- Sara Della Torre
- Department of Pharmaceutical Sciences, University of Milan, Milan, Italy
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69
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Gohar EY. G protein-coupled estrogen receptor 1 as a novel regulator of blood pressure. Am J Physiol Renal Physiol 2020; 319:F612-F617. [PMID: 32893662 DOI: 10.1152/ajprenal.00045.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The mechanisms underlying hypertension are multifaceted and incompletely understood. New evidence suggests that G protein-coupled estrogen receptor 1 (GPER1) mediates protective actions within the cardiovascular and renal systems. This mini-review focuses on recent advancements in our understanding of the vascular, renal, and cardiac GPER1-mediated mechanisms that influence blood pressure regulation. We emphasize clinical and basic evidence that suggests GPER1 as a novel target to aid therapeutic strategies for hypertension. Furthermore, we discuss current controversies and challenges facing GPER1-related research.
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Affiliation(s)
- Eman Y Gohar
- Division of Nephrology, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
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70
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Chuang SC, Chen CH, Chou YS, Ho ML, Chang JK. G Protein-Coupled Estrogen Receptor Mediates Cell Proliferation through the cAMP/PKA/CREB Pathway in Murine Bone Marrow Mesenchymal Stem Cells. Int J Mol Sci 2020; 21:ijms21186490. [PMID: 32899453 PMCID: PMC7555423 DOI: 10.3390/ijms21186490] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/31/2020] [Accepted: 09/03/2020] [Indexed: 01/12/2023] Open
Abstract
Estrogen is an important hormone to regulate skeletal physiology via estrogen receptors. The traditional estrogen receptors are ascribed to two nuclear estrogen receptors (ERs), ERα and ERβ. Moreover, G protein-coupled estrogen receptor-1 (GPER-1) was reported as a membrane receptor for estrogen in recent years. However, whether GPER-1 regulated osteogenic cell biology on skeletal system is still unclear. GPER-1 is expressed in growth plate abundantly before puberty but decreased abruptly since the very late stage of puberty in humans. It indicates GPER-1 might play an important role in skeletal growth regulation. GPER-1 expression has been confirmed in osteoblasts, osteocytes and chondrocytes, but its expression in mesenchymal stem cells (MSCs) has not been confirmed. In this study, we hypothesized that GPER-1 is expressed in bone MSCs (BMSC) and enhances BMSC proliferation. The cultured tibiae of neonatal rat and murine BMSCs were tested in our study. GPER-1-specific agonist (G-1) and antagonist (G-15), and GPER-1 siRNA (siGPER-1) were used to evaluate the downstream signaling pathway and cell proliferation. Our results revealed BrdU-positive cell counts were higher in cultured tibiae in the G-1 group. The G-1 also enhanced the cell viability and proliferation, whereas G-15 and siGPER-1 reduced these activities. The cAMP and phosphorylation of CREB were enhanced by G-1 but inhibited by G-15. We further demonstrated that GPER-1 mediates BMSC proliferation via the cAMP/PKA/p-CREB pathway and subsequently upregulates cell cycle regulators, cyclin D1/cyclin-dependent kinase (CDK) 6 and cyclin E1/CDK2 complex. The present study is the first to report that GPER-1 mediates BMSC proliferation. This finding indicates that GPER-1 mediated signaling positively regulates BMSC proliferation and may provide novel insights into addressing estrogen-mediated bone development.
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Affiliation(s)
- Shu-Chun Chuang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-C.C.); (C.-H.C.); (Y.-S.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chung-Hwan Chen
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-C.C.); (C.-H.C.); (Y.-S.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Orthopedics, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung 807, Taiwan
| | - Ya-Shuan Chou
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-C.C.); (C.-H.C.); (Y.-S.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Mei-Ling Ho
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-C.C.); (C.-H.C.); (Y.-S.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medicinal Research, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Physiology, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Marine Biotechnology and Resources, National Sun Yat-Sen University, Kaohsiung 807, Taiwan
- Correspondence: (M.-L.H.); (J.-K.C.); Tel.: +886-7-3121101-2553 (M.-L.H.&J.-K.C.); Fax: +886-7-3219452 (M.-L.H.&J.-K.C.)
| | - Je-Ken Chang
- Orthopaedic Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan; (S.-C.C.); (C.-H.C.); (Y.-S.C.)
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Orthopedics, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Division of Adult Reconstruction Surgery, Department of Orthopedics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Correspondence: (M.-L.H.); (J.-K.C.); Tel.: +886-7-3121101-2553 (M.-L.H.&J.-K.C.); Fax: +886-7-3219452 (M.-L.H.&J.-K.C.)
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71
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Attarhaie Tehrani M, Veney SL. Intramuscular antagonism of the G-protein coupled estrogen receptor 1 partially affects dimorphic characteristics of the syrinx, but is ineffective within the neural song circuit of zebra finches. Gen Comp Endocrinol 2020; 293:113492. [PMID: 32333912 DOI: 10.1016/j.ygcen.2020.113492] [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: 12/20/2019] [Revised: 04/17/2020] [Accepted: 04/21/2020] [Indexed: 10/24/2022]
Abstract
Within the zebra finch song system, robust sex differences exist that enable singing behavior in males, but not females. Estradiol is a potent contributor to this process, but how and through which receptor(s) it acts is not clear. Historically, pharmacological manipulations of nuclear estrogen receptors have yielded conflicting results possibly due to method of drug delivery. More recently, the membrane bound G-protein coupled estrogen receptor 1 (GPER1) has also been identified as a potential candidate, but its function has not been fully described. To further investigate the role of GPER1, and the importance of the route of drug administration, a specific antagonist (G-15) was intramuscularly administered to zebra finches for 25 days, starting on the day of hatching. G-15 significantly decreased muscle fiber sizes of ventralis and dorsalis in the syrinx of males only. Dimorphic characteristics of the neural song system were unaffected by this manipulation in either sex. These results contrast with a study in which G-15 was intracranially delivered. In males, select song nuclei were decreased in volume, and in females, syrinx muscle fiber size was increased. Together, these results support the hypothesis that estrogens acting through GPER1 influence dimorphic development of the song system, and that method of drug administration is important in this species.
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Affiliation(s)
- Mahtab Attarhaie Tehrani
- Department of Biological Sciences, 1275 University Esplanade, Kent State University, Kent, OH 44242, USA.
| | - Sean L Veney
- Department of Biological Sciences, 1275 University Esplanade, Kent State University, Kent, OH 44242, USA; School of Biomedical Sciences, 1275 University Esplanade, Kent State University, Kent, OH 44242, USA.
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72
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Estrogen Receptors and Estrogen-Induced Uterine Vasodilation in Pregnancy. Int J Mol Sci 2020; 21:ijms21124349. [PMID: 32570961 PMCID: PMC7352873 DOI: 10.3390/ijms21124349] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 06/10/2020] [Accepted: 06/15/2020] [Indexed: 12/16/2022] Open
Abstract
Normal pregnancy is associated with dramatic increases in uterine blood flow to facilitate the bidirectional maternal–fetal exchanges of respiratory gases and to provide sole nutrient support for fetal growth and survival. The mechanism(s) underlying pregnancy-associated uterine vasodilation remain incompletely understood, but this is associated with elevated estrogens, which stimulate specific estrogen receptor (ER)-dependent vasodilator production in the uterine artery (UA). The classical ERs (ERα and ERβ) and the plasma-bound G protein-coupled ER (GPR30/GPER) are expressed in UA endothelial cells and smooth muscle cells, mediating the vasodilatory effects of estrogens through genomic and/or nongenomic pathways that are likely epigenetically modified. The activation of these three ERs by estrogens enhances the endothelial production of nitric oxide (NO), which has been shown to play a key role in uterine vasodilation during pregnancy. However, the local blockade of NO biosynthesis only partially attenuates estrogen-induced and pregnancy-associated uterine vasodilation, suggesting that mechanisms other than NO exist to mediate uterine vasodilation. In this review, we summarize the literature on the role of NO in ER-mediated mechanisms controlling estrogen-induced and pregnancy-associated uterine vasodilation and our recent work on a “new” UA vasodilator hydrogen sulfide (H2S) that has dramatically changed our view of how estrogens regulate uterine vasodilation in pregnancy.
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73
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Rintz E, Gaffke L, Podlacha M, Brokowska J, Cyske Z, Węgrzyn G, Pierzynowska K. Transcriptomic Changes Related to Cellular Processes with Particular Emphasis on Cell Activation in Lysosomal Storage Diseases from the Group of Mucopolysaccharidoses. Int J Mol Sci 2020; 21:ijms21093194. [PMID: 32366041 PMCID: PMC7246638 DOI: 10.3390/ijms21093194] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 04/27/2020] [Accepted: 04/28/2020] [Indexed: 12/13/2022] Open
Abstract
Although mucopolysaccharidoses (MPS), inherited metabolic diseases from the group of lysosomal storage diseases (LSD), are monogenic disorders, recent studies indicated that their molecular mechanisms are complicated. Storage of glycosaminoglycans (GAGs), arising from a deficiency in one of the enzymes involved in the degradation of these compounds, is the primary cause of each MPS type. However, dysfunctions of various cellular organelles and disturbance of cellular processes have been reported which contribute considerably to pathomechanisms of the disease. Here, we present a complex transcriptomic analysis in which all types and subtypes of MPS were investigated, with special emphasis on genes related to cell activation processes. Complex changes in expression of these genes were found in fibroblasts of all MPS types, with number of transcripts revealing higher or lower levels (relative to control fibroblasts) between 19 and over 50, depending on MPS type. Genes in which expression was significantly affected in most MPS types code for proteins involved in following processes, classified according to Gene Ontology knowledge database: cell activation, cell growth, cell recognition, and cell division. Levels of some transcripts (including CD9, CLU, MME and others) were especially significantly changed (over five times relative to controls). Our results are discussed in the light of molecular pathomechanisms of MPS, indicating that secondary and/or tertiary changes, relative to GAG storage, might significantly modulate cellular dysfunctions and contribute to molecular mechanisms of the disease. This may influence the efficacy of various therapies and suggests why various treatments are not fully effective in improving the complex symptoms of MPS.
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Sex Hormone-Dependent Physiology and Diseases of Liver. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17082620. [PMID: 32290381 PMCID: PMC7216036 DOI: 10.3390/ijerph17082620] [Citation(s) in RCA: 75] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 04/04/2020] [Accepted: 04/07/2020] [Indexed: 12/12/2022]
Abstract
Sexual dimorphism is associated not only with somatic and behavioral differences between men and women, but also with physiological differences reflected in organ metabolism. Genes regulated by sex hormones differ in expression in various tissues, which is especially important in the case of liver metabolism, with the liver being a target organ for sex hormones as its cells express estrogen receptors (ERs: ERα, also known as ESR1 or NR3A; ERβ; GPER (G protein-coupled ER, also known as GPR 30)) and the androgen receptor (AR) in both men and women. Differences in sex hormone levels and sex hormone-specific gene expression are mentioned as some of the main variations in causes of the incidence of hepatic diseases; for example, hepatocellular carcinoma (HCC) is more common in men, while women have an increased risk of autoimmune liver disease and show more acute liver failure symptoms in alcoholic liver disease. In non-alcoholic fatty liver disease (NAFLD), the distinction is less pronounced, but increased incidences are suggested among men and postmenopausal women, probably due to an increased tendency towards visceral fat accumulation.
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Feldman RD. Sex-Specific Determinants of Coronary Artery Disease and Atherosclerotic Risk Factors: Estrogen and Beyond. Can J Cardiol 2020; 36:706-711. [PMID: 32389343 DOI: 10.1016/j.cjca.2020.03.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 03/02/2020] [Accepted: 03/02/2020] [Indexed: 12/18/2022] Open
Abstract
The way we view coronary artery disease in women has changed dramatically over the past decades. From an initial perspective that coronary artery disease was a male disorder and that women were protected by estrogens, there has been the gradual appreciation that this is an equal opportunity disease. Postmenopausal women are more likely than men to be hypertensive, dyslipidemic, and have multiple risk factors. Beyond the appreciation of estrogen's global effects on cardiovascular and metabolic function, our further advances in the understanding of sex-specific risks and management will be based on a greater understanding of the diversity of estrogen-mediated receptor pathways, including appreciation of the sometimes divergent effects of estrogen when acting either via the classic estrogen receptor or the more recently appreciated G protein-coupled estrogen receptor. In addition, the importance of sex-specific regulation of cardiometabolic processes beyond the sex hormones, specifically via SRY regulation, is only beginning to be understood. Finally, the author summarizes his recent studies demonstrating sex-specific G protein-coupled estrogen receptor regulation of blood pressure and cholesterol metabolism that may serve as a paradigm for the elucidation of sex-specific determinants of cardiovascular risk and the basis for sex-specific management of those risks.
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Affiliation(s)
- Ross D Feldman
- Departments of Medicine, of Physiology & Pathophysiology, of Pharmacology & Therapeutics, University of Manitoba, Winnipeg, Manitoba, Canada; Cardiac Sciences Program, Winnipeg Regional Health Authority, Winnipeg, Manitoba, Canada.
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Sagiroglu S, Kılınc M, Doganer A, Bilal N, Orhan I, Kılıc MA. G protein coupled oestrogen receptor 1, aromatase, 17β-HSD and cAMP level in mutational falsetto. Eur Arch Otorhinolaryngol 2020; 277:1121-1127. [PMID: 31989268 DOI: 10.1007/s00405-020-05795-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/23/2019] [Indexed: 12/22/2022]
Abstract
OBJECTIVES Puberphonia or mutational falsetto (MF) is seen more in males, and hormonal changes are considered to be among the aetiological causes. Therefore, the aim of this study was to investigate the molecules [G protein-coupled oestrogen receptor 1 (GPER-1), aromatase, 17-beta-hydroxysteroid dehydrogenase (17β-HSD), cyclic adenosine monophosphate (cAMP) levels] related to receptors and pathways in patients with MF. METHODS The study included 30 MF patients and a control group of 30 healthy individuals. Voice recordings were made of the MF patients and acoustic analyses were applied. The serum GPER-1, aromatase, 17β-HSD, cAMP levels and TSH, estradiol, prolactin, progesterone, and testosterone levels were evaluated in venous blood samples. RESULTS In the MF patients, the GPER-1 level determined of mean 3.68 (1.95-4.26) pg/ml, 17 beta dehydrogenase of 5.25 (2.73-6.77) ng/ml, and cAMP of 24.62 (11.62-30.35) ng/ml were statistically signficantly higher than those of the control group (p = 0.008, p = 0.002, p = 0.003, respectively). The aromatase level in the MF patients was found to be 3.48 (2.01-4.91) and the difference between the two groups was not statistically significant (p = 0.067). CONCLUSION The GPER-1, 17β-HSD, and cAMP levels were found to be higher in the MF patients than in the control group, suggesting that they could be of importance in the diagnosis and treatment of MF.
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Affiliation(s)
- Saime Sagiroglu
- Department of Otorhinolaringology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Avsar Campus, 46100, Kahramanmaras, Turkey.
| | - Metin Kılınc
- Department of Medical Biochemistry, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Kahramanmaras, Turkey
| | - Adem Doganer
- Department of Biostatistics and Medical Informatics, Faculty of Medicine, Kahramanmaraş Sutcu Imam University, Kahramanmaras, Turkey
| | - Nagihan Bilal
- Department of Otorhinolaringology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Avsar Campus, 46100, Kahramanmaras, Turkey
| | - Israfil Orhan
- Department of Otorhinolaringology, Faculty of Medicine, Kahramanmaras Sutcu Imam University, Avsar Campus, 46100, Kahramanmaras, Turkey
| | - Mehmet Akif Kılıc
- Department of Otorhinolaringology, Faculty of Medicine, Medeniyet University, Istanbul, Turkey
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Notas G, Kampa M, Castanas E. G Protein-Coupled Estrogen Receptor in Immune Cells and Its Role in Immune-Related Diseases. Front Endocrinol (Lausanne) 2020; 11:579420. [PMID: 33133022 PMCID: PMC7564022 DOI: 10.3389/fendo.2020.579420] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 09/10/2020] [Indexed: 12/30/2022] Open
Abstract
G protein-coupled estrogen receptor 1 (GPER1), is a functional estrogen receptor involved in estrogen related actions on several systems including processes of the nervous, reproductive, metabolic, cardiovascular, and immune system. Regarding the latter, GPER is expressed in peripheral B and T lymphocytes as well as in monocytes, eosinophils, and neutrophils. Several studies have implicated GPER in immune-mediated diseases like multiple sclerosis, Parkinson's disease, and atherosclerosis-related inflammation, while a recent report suggests that its deletion could be responsible for a form of familial immunodeficiency. It has also been suggested that it is a key regulator of immune-mediated events in breast, pancreatic, prostate, and hepatocellular cancer as well as in melanoma. GPER has been also reported to interact with classic ER-alpha or its splice variants in order to modify immune functions. This review aims to present current knowledge relating GPER to immune functions, the cellular and signaling pathways involved, as well as the potential clinical implications of GPER modulation in immune-related diseases.
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Luo J, Liu D. Does GPER Really Function as a G Protein-Coupled Estrogen Receptor in vivo? Front Endocrinol (Lausanne) 2020; 11:148. [PMID: 32296387 PMCID: PMC7137379 DOI: 10.3389/fendo.2020.00148] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Accepted: 03/03/2020] [Indexed: 12/25/2022] Open
Abstract
Estrogen can elicit pleiotropic cellular responses via a diversity of estrogen receptors (ERs)-mediated genomic and rapid non-genomic mechanisms. Unlike the genomic responses, where the classical nuclear ERα and ERβ act as transcriptional factors following estrogen binding to regulate gene transcription in estrogen target tissues, the non-genomic cellular responses to estrogen are believed to start at the plasma membrane, leading to rapid activation of second messengers-triggered cytoplasmic signal transduction cascades. The recently acknowledged ER, GPR30 or GPER, was discovered in human breast cancer cells two decades ago and subsequently in many other cells. Since its discovery, it has been claimed that estrogen, ER antagonist fulvestrant, as well as some estrogenic compounds can directly bind to GPER, and therefore initiate the non-genomic cellular responses. Various recently developed genetic tools as well as chemical ligands greatly facilitated research aimed at determining the physiological roles of GPER in different tissues. However, there is still lack of evidence that GPER plays a significant role in mediating endogenous estrogen action in vivo. This review summarizes current knowledge about GPER, including its tissue expression and cellular localization, with emphasis on the research findings elucidating its role in health and disease. Understanding the role of GPER in estrogen signaling will provide opportunities for the development of new therapeutic strategies to strengthen the benefits of estrogen while limiting the potential side effects.
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Affiliation(s)
- Jing Luo
- Department of Nutrition, School of Public Health, Sun Yat-sen University, Guangzhou, China
- Department of Human Nutrition, Foods and Exercise, College of Agricultural and Life Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Dongmin Liu
- Department of Human Nutrition, Foods and Exercise, College of Agricultural and Life Sciences, Virginia Tech, Blacksburg, VA, United States
- *Correspondence: Dongmin Liu
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Win S, Min RW, Chen CQ, Zhang J, Chen Y, Li M, Suzuki A, Abdelmalek MF, Wang Y, Aghajan M, Aung FW, Diehl AM, Davis RJ, Than TA, Kaplowitz N. Expression of mitochondrial membrane-linked SAB determines severity of sex-dependent acute liver injury. J Clin Invest 2019; 129:5278-5293. [PMID: 31487267 PMCID: PMC6877311 DOI: 10.1172/jci128289] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 08/29/2019] [Indexed: 12/15/2022] Open
Abstract
SH3 domain-binding protein that preferentially associates with Btk (SAB) is an outer-membrane docking protein for JNK-mediated impairment of mitochondrial function. Deletion of Sab in hepatocytes inhibits sustained JNK activation and cell death. The current study demonstrates that an increase in SAB expression enhanced the severity of acetaminophen-induced (APAP-induced) liver injury. Female mice were resistant to liver injury and exhibited markedly decreased hepatic SAB protein expression compared with male mice. The mechanism of SAB repression involved a pathway from ERα to p53 expression that induced miR34a-5p. miR34a-5p targeted the Sab mRNA coding region, thereby repressing SAB expression. Fulvestrant or p53 knockdown decreased miR34a-5p and increased SAB expression in female mice, leading to increased injury from APAP and TNF/galactosamine. In contrast, an ERα agonist increased p53 and miR34a-5p, which decreased SAB expression and hepatotoxicity in male mice. Hepatocyte-specific deletion of miR34a also increased the severity of liver injury in female mice, which was prevented by GalNAc-ASO knockdown of Sab. Similar to mice, premenopausal women expressed elevated levels of hepatic p53 and low levels of SAB, whereas age-matched men expressed low levels of p53 and high levels of SAB, but there was no difference in SAB expression between the sexes in the postmenopausal stage. In conclusion, SAB expression levels determined the severity of JNK-dependent liver injury. Female mice expressed low levels of hepatic SAB protein because of the ERα/p53/miR34a pathway, which repressed SAB expression and accounted for the resistance to liver injury seen in these females.
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Affiliation(s)
- Sanda Win
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Robert W.M. Min
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Christopher Q. Chen
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Jun Zhang
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yibu Chen
- USC Libraries Bioinformatics Service, Norris Medical Library, USC, Los Angeles, California, USA
| | - Meng Li
- USC Libraries Bioinformatics Service, Norris Medical Library, USC, Los Angeles, California, USA
| | - Ayako Suzuki
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | - Manal F. Abdelmalek
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | - Ying Wang
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | | | - Filbert W.M. Aung
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Anna Mae Diehl
- Division of Gastroenterology, Department of Medicine, Duke University, Durham, North Carolina, USA
| | - Roger J. Davis
- Howard Hughes Medical Institute and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Tin A. Than
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
| | - Neil Kaplowitz
- USC Research Center for Liver Disease, Keck School of Medicine, University of Southern California (USC), Los Angeles, California, USA
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Carrillo B, Collado P, Díaz F, Chowen JA, Grassi D, Pinos H. Blocking of Estradiol Receptors ERα, ERβ and GPER During Development, Differentially Alters Energy Metabolism in Male and Female Rats. Neuroscience 2019; 426:59-68. [PMID: 31805254 DOI: 10.1016/j.neuroscience.2019.11.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/30/2019] [Accepted: 11/02/2019] [Indexed: 12/25/2022]
Abstract
Estradiol not only participates in the regulation of energy metabolism in adulthood, but also during the first stages of life as it modulates the alterations induced by under- and over-nutrition. The objectives of the present study were to determine: 1) If estradiol is involved in the normal programming of energy metabolism in rats; 2) If there is a specific window of time for this programming and 3) If males and females are differentially vulnerable to the action of this hormone. Estrogen receptors (ER) α, ERβ and GPER were blocked by their specific antagonists MPP, PHTPP and G15, respectively, from postnatal day (P) 1 (the day of birth) to P5 or from P5 to P13. Physiological parameters such as body weight, fat depots and caloric intake were then analysed at P90. Hypothalamic AgRP, POMC, MC4R, ERα, ERβ and GPER mRNA levels and plasma levels of estradiol, were also studied. We found that blocking ER receptors from P5 to P13 significantly decreases long-term body weight in males and hypothalamic POMC mRNA levels in females. The blocking of ERs from P1 to P5 only affected plasma estradiol levels in females. The present results indicate programming actions of estradiol from P5 to P13 on body weight in male and POMC expression in female rats and emphasize the importance of including both sexes in metabolic studies. It is necessary to unravel the mechanisms that underlie the actions of estradiol on food intake, both during development and in adulthood, and to determine how this programming differentially takes place in males and females.
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Affiliation(s)
- Beatriz Carrillo
- Departamento de Psicobiología, Universidad Nacional de Educación a Distancia (UNED), C/ Juan del Rosal n° 10, 28040 Madrid, Spain, Instituto Mixto de Investigación Escuela Nacional de Sanidad (IMIENS).
| | - Paloma Collado
- Departamento de Psicobiología, Universidad Nacional de Educación a Distancia (UNED), C/ Juan del Rosal n° 10, 28040 Madrid, Spain, Instituto Mixto de Investigación Escuela Nacional de Sanidad (IMIENS).
| | - Francisca Díaz
- Departamento de Endocrinología, Hospital Infantil Universitario Niño Jesús, Instituto de Investigación La Princesa, Avda. Menéndez Pelayo, N° 65 28009 Madrid, Spain, Investigación Biomédica en Red (CIBER) de la Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, IMDEA Food Institute, CEI UAM + CSIC.
| | - Julie A Chowen
- Departamento de Endocrinología, Hospital Infantil Universitario Niño Jesús, Instituto de Investigación La Princesa, Avda. Menéndez Pelayo, N° 65 28009 Madrid, Spain, Investigación Biomédica en Red (CIBER) de la Fisiopatología de la Obesidad y Nutrición, Instituto de Salud Carlos III, IMDEA Food Institute, CEI UAM + CSIC.
| | - Daniela Grassi
- Department of Preclinical odontology, Faculty of Biomedical Science and Health Universidad Europea de Madrid, Calle Tajo s/n, 28670 Villaviciosa de Odón, Madrid, Spain.
| | - Helena Pinos
- Departamento de Psicobiología, Universidad Nacional de Educación a Distancia (UNED), C/ Juan del Rosal n° 10, 28040 Madrid, Spain, Instituto Mixto de Investigación Escuela Nacional de Sanidad (IMIENS).
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Potential Therapeutic Application of Estrogen in Gender Disparity of Nonalcoholic Fatty Liver Disease/Nonalcoholic Steatohepatitis. Cells 2019; 8:cells8101259. [PMID: 31619023 PMCID: PMC6835656 DOI: 10.3390/cells8101259] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Revised: 10/10/2019] [Accepted: 10/12/2019] [Indexed: 02/07/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) caused by fat accumulation in the liver is globally the most common cause of chronic liver disease. Simple steatosis can progress to nonalcoholic steatohepatitis (NASH), a more severe form of NAFLD. The most potent driver for NASH is hepatocyte death induced by lipotoxicity, which triggers inflammation and fibrosis, leading to cirrhosis and/or liver cancer. Despite the significant burden of NAFLD, there is no therapy for NAFLD/NASH. Accumulating evidence indicates gender-related NAFLD progression. A higher incidence of NAFLD is found in men and postmenopausal women than premenopausal women, and the experimental results, showing protective actions of estradiol in liver diseases, suggest that estrogen, as the main female hormone, is associated with the progression of NAFLD/NASH. However, the mechanism explaining the functions of estrogen in NAFLD remains unclear because of the lack of reliable animal models for NASH, the imbalance between the sexes in animal experiments, and subsequent insufficient results. Herein, we reviewed the pathogenesis of NAFLD/NASH focused on gender and proposed a feasible association of estradiol with NAFLD/NASH based on the findings reported thus far. This review would help to expand our knowledge of the gender differences in NAFLD and for developing gender-based treatment strategies for NAFLD/NASH.
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82
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Iravani M, Lagerquist MK, Karimian E, Chagin AS, Ohlsson C, Sävendahl L. Effects of the selective GPER1 agonist G1 on bone growth. Endocr Connect 2019; 8:1302-1309. [PMID: 31434056 PMCID: PMC6765336 DOI: 10.1530/ec-19-0274] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 08/20/2019] [Indexed: 12/28/2022]
Abstract
Estrogens may affect bone growth locally or systemically via the known estrogen receptors ESR1, ESR2 and G protein-coupled estrogen receptor 1 (GPER1). Mouse and human growth plate chondrocytes have been demonstrated to express GPER1 and ablation of this receptor increased bone length in mice. Therefore, GPER1 is an attractive target for therapeutic modulation of bone growth, which has never been explored. To investigate the effects of activated GPER1 on the growth plate, we locally exposed mouse metatarsal bones to different concentrations of the selective GPER1 agonist G1 for 14 days ex vivo. The results showed that none of the concentrations of G1 had any direct effect on metatarsal bone growth when compared to control. To evaluate if GPER1 stimulation may systemically modulate bone growth, ovariectomized C57BL/6 mice were treated with G1 or β-estradiol (E2). Similarly, G1 did not influence tibia and femur growth in treated mice. As expected, E2 treatment suppressed bone growth in vivo. We conclude that ligand stimulation of GPER1 does not influence bone growth in mice.
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Affiliation(s)
- Maryam Iravani
- Department of Women’s and Children’s Health, Karolinska Institutet and Pediatric Endocrinology Unit, Karolinska University Hospital, Solna, Sweden
- Correspondence should be addressed to M Iravani:
| | - Marie K Lagerquist
- Center of Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Elham Karimian
- Department of Women’s and Children’s Health, Karolinska Institutet and Pediatric Endocrinology Unit, Karolinska University Hospital, Solna, Sweden
| | - Andrei S Chagin
- Department of Physiology and Pharmacology, Karolinska Institutet, Solna, Sweden
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russian Federation
| | - Claes Ohlsson
- Center of Bone and Arthritis Research, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
| | - Lars Sävendahl
- Department of Women’s and Children’s Health, Karolinska Institutet and Pediatric Endocrinology Unit, Karolinska University Hospital, Solna, Sweden
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83
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Chen JR, Wankhade UD, Alund AW, Blackburn ML, Shankar K, Lazarenko OP. 3-(3-Hydroxyphenyl)-Propionic Acid (PPA) Suppresses Osteoblastic Cell Senescence to Promote Bone Accretion in Mice. JBMR Plus 2019; 3:e10201. [PMID: 31667457 PMCID: PMC6808226 DOI: 10.1002/jbm4.10201] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 04/18/2019] [Accepted: 04/23/2019] [Indexed: 12/24/2022] Open
Abstract
Phenolic acids (PAs) are metabolites derived from polyphenolic compounds found in fruits and vegetables resulting from the actions of gut bacteria. Previously, we reported that the levels of seven individual PAs were found to be at least 10 times higher in the serum of rats fed a blueberry (BB)‐containing diet compared to those fed a control diet. We have characterized the effects of one such BB‐associated serum PA, 3‐(3‐hydroxyphenyl)‐propionic acid (PPA), on senescence signaling and promotion of mesenchymal stem cell differentiation toward osteoblasts, while suppressing adipogenesis in the stem cells. To better understand the mechanistic actions of PPA on bone formation in vivo, we administered four doses of PPA (0.1, 0.5, 1, and 5 mg/kg/day; daily i.p.) to 1‐month‐old female C57BL6/J mice for 30 days. We did not observe significant effects of PPA on cortical bone; however, there were significantly higher bone volume and trabecular thickness and increased osteoblastic cell number, but decreased osteoclastic cell number in PPA‐treated groups compared to controls. These morphological and cellular outcomes of bone were reflected in changes of bone formation markers in serum and bone marrow plasma. PPA treatment reduced senescence signaling as evaluated by senescence‐associated β‐galactosidase activity, PPARγ, p53, and p21 expression in bone. In conclusion, PPA is capable of altering the mesenchymal stem cell differentiation program and bone cell senescence. This raises the possibility that BB‐rich diets promote bone growth through increasing systemic PAs, a question that merits additional investigation. © 2019 The Authors. JBMR Plus published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Jin-Ran Chen
- Arkansas Children's Nutrition Center Little Rock AR USA.,Department of Pediatrics University of Arkansas for Medical Sciences Little Rock AR USA
| | - Umesh D Wankhade
- Arkansas Children's Nutrition Center Little Rock AR USA.,Department of Pediatrics University of Arkansas for Medical Sciences Little Rock AR USA
| | - Alexander W Alund
- Graduate Program in Interdisciplinary Biomedical Sciences University of Arkansas for Medical Sciences Little Rock AR USA
| | - Michael L Blackburn
- Arkansas Children's Nutrition Center Little Rock AR USA.,Department of Pediatrics University of Arkansas for Medical Sciences Little Rock AR USA
| | - Kartik Shankar
- Arkansas Children's Nutrition Center Little Rock AR USA.,Department of Pediatrics University of Arkansas for Medical Sciences Little Rock AR USA
| | - Oxana P Lazarenko
- Arkansas Children's Nutrition Center Little Rock AR USA.,Department of Pediatrics University of Arkansas for Medical Sciences Little Rock AR USA
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84
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Handgraaf S, Philippe J. The Role of Sexual Hormones on the Enteroinsular Axis. Endocr Rev 2019; 40:1152-1162. [PMID: 31074764 DOI: 10.1210/er.2019-00004] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 05/03/2019] [Indexed: 12/17/2022]
Abstract
Sex steroid estrogens, androgens, and progesterone, produced by the gonads, which have long been considered as endocrine glands, are implicated in sexual differentiation, puberty, and reproduction. However, the impact of sex hormones goes beyond these effects through their role on energy metabolism. Indeed, sex hormones are important physiological regulators of glucose homeostasis and, in particular, of the enteroinsular axis. In this review, we describe the roles of estrogens, androgens, and progesterone on glucose homeostasis through their effects on pancreatic α- and β-cells, as well as on enteroendocrine L-cells, and their implications in hormonal biosynthesis and secretion. The analysis of their mechanisms of action with the dissection of the receptors implicated in the several protective effects could provide some new aspects of the fine-tuning of hormonal secretion under the influence of the sex. This knowledge paves the way to the understanding of transgender physiology and new potential therapeutics in the field of type 2 diabetes.
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Affiliation(s)
- Sandra Handgraaf
- Laboratory of Molecular Diabetes, Division of Endocrinology, Diabetes, Hypertension, and Nutrition, University Hospital/Diabetes Center/University of Geneva Medical School, Geneva, Switzerland
| | - Jacques Philippe
- Laboratory of Molecular Diabetes, Division of Endocrinology, Diabetes, Hypertension, and Nutrition, University Hospital/Diabetes Center/University of Geneva Medical School, Geneva, Switzerland
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85
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Zheng Y, Houston KD. Glucose-dependent GPER1 expression modulates tamoxifen-induced IGFBP-1 accumulation. J Mol Endocrinol 2019; 63:103-112. [PMID: 31242463 PMCID: PMC6598863 DOI: 10.1530/jme-18-0253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 05/29/2019] [Indexed: 12/22/2022]
Abstract
G protein-coupled estrogen receptor 1 (GPER1) is a seven-transmembrane receptor that mediates rapid cell signaling events stimulated by estrogens. While the role that GPER1 has in the modulation of E2-responsive tissues and cancers is well documented, the molecular mechanisms that regulate GPER1 expression are currently not well defined. The recently identified GPER1-dependent mechanism of tamoxifen action in breast cancer cells underscores the importance of identifying mechanisms that regulate GPER1 expression in this cell type. We hypothesized that GPER1 expression in breast cancer cells is sensitive to [D-glucose] and provide data showing increased GPER1 expression when cells were cultured in low [D-glucose]. To determine if the observed accumulation of GPER1 was AMP-activated protein kinase (AMPK)-dependent, small molecule stimulation or inhibition of AMPK was performed. AMPK inhibition decreased GPER1 accumulation in cells grown in low [D-glucose] while the AMPK-activating compound AICAR increased GPER1 accumulation in cells grown in high [D-glucose] media. Additionally, transfection of cells with a plasmid expressing constitutively active AMPK resulted in increased GPER1 accumulation. To determine if [D-glucose]-dependent GPER1 accumulation altered breast cancer cell response to tamoxifen, cells grown in the presence of decreasing [D-glucose] were co-treated with tamoxifen and IGFBP-1 transcription was measured. The results from these experiments reveal that D-glucose deprivation increased GPER1-mediated and tamoxifen-induced IGFBP-1 transcription suggesting that [D-glucose] may increase breast cancer cell sensitivity to tamoxifen. Taken together, these results identify a previously unknown mechanism that regulates GPER1 expression that modifies one aspect tamoxifen action in breast cancer cells.
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Affiliation(s)
- Yan Zheng
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico, USA
| | - Kevin D Houston
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico, USA
- Correspondence should be addressed to K D Houston:
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86
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The role of GPCRs in bone diseases and dysfunctions. Bone Res 2019; 7:19. [PMID: 31646011 PMCID: PMC6804689 DOI: 10.1038/s41413-019-0059-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 05/22/2019] [Accepted: 05/27/2019] [Indexed: 12/13/2022] Open
Abstract
The superfamily of G protein-coupled receptors (GPCRs) contains immense structural and functional diversity and mediates a myriad of biological processes upon activation by various extracellular signals. Critical roles of GPCRs have been established in bone development, remodeling, and disease. Multiple human GPCR mutations impair bone development or metabolism, resulting in osteopathologies. Here we summarize the disease phenotypes and dysfunctions caused by GPCR gene mutations in humans as well as by deletion in animals. To date, 92 receptors (5 glutamate family, 67 rhodopsin family, 5 adhesion, 4 frizzled/taste2 family, 5 secretin family, and 6 other 7TM receptors) have been associated with bone diseases and dysfunctions (36 in humans and 72 in animals). By analyzing data from these 92 GPCRs, we found that mutation or deletion of different individual GPCRs could induce similar bone diseases or dysfunctions, and the same individual GPCR mutation or deletion could induce different bone diseases or dysfunctions in different populations or animal models. Data from human diseases or dysfunctions identified 19 genes whose mutation was associated with human BMD: 9 genes each for human height and osteoporosis; 4 genes each for human osteoarthritis (OA) and fracture risk; and 2 genes each for adolescent idiopathic scoliosis (AIS), periodontitis, osteosarcoma growth, and tooth development. Reports from gene knockout animals found 40 GPCRs whose deficiency reduced bone mass, while deficiency of 22 GPCRs increased bone mass and BMD; deficiency of 8 GPCRs reduced body length, while 5 mice had reduced femur size upon GPCR deletion. Furthermore, deficiency in 6 GPCRs induced osteoporosis; 4 induced osteoarthritis; 3 delayed fracture healing; 3 reduced arthritis severity; and reduced bone strength, increased bone strength, and increased cortical thickness were each observed in 2 GPCR-deficiency models. The ever-expanding number of GPCR mutation-associated diseases warrants accelerated molecular analysis, population studies, and investigation of phenotype correlation with SNPs to elucidate GPCR function in human diseases.
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87
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Cheng L, Poulsen SB, Wu Q, Esteva-Font C, Olesen ETB, Peng L, Olde B, Leeb-Lundberg LMF, Pisitkun T, Rieg T, Dimke H, Fenton RA. Rapid Aldosterone-Mediated Signaling in the DCT Increases Activity of the Thiazide-Sensitive NaCl Cotransporter. J Am Soc Nephrol 2019; 30:1454-1470. [PMID: 31253651 DOI: 10.1681/asn.2018101025] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 04/29/2019] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The NaCl cotransporter NCC in the kidney distal convoluted tubule (DCT) regulates urinary NaCl excretion and BP. Aldosterone increases NaCl reabsorption via NCC over the long-term by altering gene expression. But the acute effects of aldosterone in the DCT are less well understood. METHODS Proteomics, bioinformatics, and cell biology approaches were combined with animal models and gene-targeted mice. RESULTS Aldosterone significantly increases NCC activity within minutes in vivo or ex vivo. These effects were independent of transcription and translation, but were absent in the presence of high potassium. In vitro, aldosterone rapidly increased intracellular cAMP and inositol phosphate accumulation, and altered phosphorylation of various kinases/kinase substrates within the MAPK/ERK, PI3K/AKT, and cAMP/PKA pathways. Inhibiting GPR30, a membrane-associated receptor, limited aldosterone's effects on NCC activity ex vivo, and NCC phosphorylation was reduced in GPR30 knockout mice. Phosphoproteomics, network analysis, and in vitro studies determined that aldosterone activates EGFR-dependent signaling. The EGFR immunolocalized to the DCT and EGFR tyrosine kinase inhibition decreased NCC activity ex vivo and in vivo. CONCLUSIONS Aldosterone acutely activates NCC to modulate renal NaCl excretion.
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Affiliation(s)
- Lei Cheng
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | - Qi Wu
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | | | - Emma T B Olesen
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Faculty of Health and Medical Sciences, Department of Biomedical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Li Peng
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Björn Olde
- Unit of Drug Target Discovery, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - L M Fredrik Leeb-Lundberg
- Unit of Drug Target Discovery, Department of Experimental Medical Science, Lund University, Lund, Sweden
| | - Trairak Pisitkun
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark.,Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Timo Rieg
- Department of Molecular Pharmacology and Physiology, University of South Florida, Tampa, Florida
| | - Henrik Dimke
- Department of Cardiovascular and Renal Research, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark; and.,Department of Nephrology, Odense University Hospital, Odense, Denmark
| | - Robert A Fenton
- InterPrET Center, Department of Biomedicine, Aarhus University, Aarhus, Denmark;
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88
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Shepard BD. Sex differences in diabetes and kidney disease: mechanisms and consequences. Am J Physiol Renal Physiol 2019; 317:F456-F462. [PMID: 31241989 DOI: 10.1152/ajprenal.00249.2019] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Type 1 and type 2 diabetes, along with their accompanying hyperglycemia, are associated with a multitude of comorbidities including the development of diabetic kidney disease. Although the hallmarks of these metabolic disorders have been well characterized in population and animal studies, it is becoming increasingly apparent that diabetes manifests itself differently in men and women. This review summarizes the recent diabetic literature with a focus on known sex differences in clinical and preclinical studies. It explores the physiological differences of glucose handling and the development of diabetes between men and women. This review also uncovers potential mechanisms for these differences, honing in on the vital role that sex hormone signaling plays in the progression of diabetes and renal complications.
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Affiliation(s)
- Blythe D Shepard
- Department of Human Science, Georgetown University, Washington, District of Columbia
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89
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Camilletti MA, Abeledo-Machado A, Ferraris J, Pérez PA, Faraoni EY, Pisera D, Gutierrez S, Díaz-Torga G. Role of GPER in the anterior pituitary gland focusing on lactotroph function. J Endocrinol 2019; 240:99-110. [PMID: 30400046 DOI: 10.1530/joe-18-0402] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Accepted: 10/19/2018] [Indexed: 12/22/2022]
Abstract
Ovarian steroids control a variety of physiological functions. They exert actions through classical nuclear steroid receptors, but rapid non-genomic actions through specific membrane steroid receptors have been also described. In this study, we demonstrate that the G-protein-coupled estrogen receptor (GPER) is expressed in the rat pituitary gland and, at a high level, in the lactotroph population. Our results revealed that ~40% of the anterior pituitary cells are GPER positive and ~35% of the lactotrophs are GPER positive. By immunocytochemical and immuno-electron-microscopy studies, we demonstrated that GPER is localized in the plasmatic membrane but is also associated to the endoplasmic reticulum in rat lactotrophs. Moreover, we found that local Gper expression is regulated negatively by 17β-estradiol (E2) and progesterone (P4) and fluctuates during the estrus cycle, being minimal in proestrus. Interestingly, lack of ovarian steroids after an ovariectomy (OVX) significantly increased pituitary GPER expression specifically in the three morphologically different subtypes of lactotrophs. We found a rapid estradiol stimulatory effect on PRL secretion mediated by GPER, both in vitro and ex vivo, using a GPER agonist G1, and this effect was prevented by the GPER antagonist G36, demonstrating a novel role for this receptor. Then, the increased pituitary GPER expression after OVX could lead to alterations in the pituitary function as all three lactotroph subtypes are target of GPER ligand and could be involved in the PRL secretion mediated by GPER. Therefore, it should be taken into consideration in the response of the gland to an eventual hormone replacement therapy.
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Affiliation(s)
- María Andrea Camilletti
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Alejandra Abeledo-Machado
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Jimena Ferraris
- Instituto de Investigaciones Biomédicas, Facultad de Medicina, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - Pablo A Pérez
- Centro de Microscopia Electrónica, Instituto de Investigaciones en Ciencias de la Salud (INICSA-CONICET), Facultad de Ciencias Medicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Erika Y Faraoni
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
| | - Daniel Pisera
- Instituto de Investigaciones Biomédicas, Facultad de Medicina, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - Silvina Gutierrez
- Centro de Microscopia Electrónica, Instituto de Investigaciones en Ciencias de la Salud (INICSA-CONICET), Facultad de Ciencias Medicas, Universidad Nacional de Córdoba, Córdoba, Argentina
| | - Graciela Díaz-Torga
- Instituto de Biología y Medicina Experimental, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina
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90
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Abstract
Sex differences exist in the regulation of energy homeostasis. Better understanding of the underlying mechanisms for sexual dimorphism in energy balance may facilitate development of gender-specific therapies for human diseases, e.g. obesity. Multiple organs, including the brain, liver, fat and muscle, play important roles in the regulations of feeding behavior, energy expenditure and physical activity, which therefore contribute to the maintenance of energy balance. It has been increasingly appreciated that this multi-organ system is under different regulations in male vs. female animals. Much of effort has been focused on roles of sex hormones (including androgens, estrogens and progesterone) and sex chromosomes in this sex-specific regulation of energy balance. Emerging evidence also indicates that other factors (not sex hormones/receptors and not encoded by the sex chromosomes) exist to regulate energy homeostasis differentially in males vs. females. In this review, we summarize factors and signals that have been shown to regulate energy homeostasis in a sexually dimorphic fashion and propose a framework where these factors and signals may be integrated to mediate sex differences in energy homeostasis.
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Affiliation(s)
- Chunmei Wang
- Children’s Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, 77030
| | - Yong Xu
- Children’s Nutrition Research Center, Department of Pediatrics, Baylor College of Medicine, Houston, Texas, 77030
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas, 77030
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91
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G-Protein Coupled Estrogen Receptor in Breast Cancer. Int J Mol Sci 2019; 20:ijms20020306. [PMID: 30646517 PMCID: PMC6359026 DOI: 10.3390/ijms20020306] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 01/10/2019] [Accepted: 01/12/2019] [Indexed: 12/16/2022] Open
Abstract
The G-protein coupled estrogen receptor (GPER), an alternate estrogen receptor (ER) with a structure distinct from the two canonical ERs, being ERα, and ERβ, is expressed in 50% to 60% of breast cancer tissues and has been presumed to be associated with the development of tamoxifen resistance in ERα positive breast cancer. On the other hand, triple-negative breast cancer (TNBC) constitutes 15% to 20% of breast cancers and frequently displays a more aggressive behavior. GPER is prevalent and involved in TNBC and can be a therapeutic target. However, contradictory results exist regarding the function of GPER in breast cancer, proliferative or pro-apoptotic. A better understanding of the GPER, its role in breast cancer, and the interactions with the ER and epidermal growth factor receptor will be beneficial for the disease management and prevention in the future.
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92
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Mahmoodzadeh S, Dworatzek E. The Role of 17β-Estradiol and Estrogen Receptors in Regulation of Ca 2+ Channels and Mitochondrial Function in Cardiomyocytes. Front Endocrinol (Lausanne) 2019; 10:310. [PMID: 31156557 PMCID: PMC6529529 DOI: 10.3389/fendo.2019.00310] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 04/30/2019] [Indexed: 11/13/2022] Open
Abstract
Numerous epidemiological, clinical, and animal studies showed that cardiac function and manifestation of cardiovascular diseases (CVDs) are different between males and females. The underlying reasons for these sex differences are definitely multifactorial, but major evidence points to a causal role of the sex steroid hormone 17β-estradiol (E2) and its receptors (ER) in the physiology and pathophysiology of the heart. Interestingly, it has been shown that cardiac calcium (Ca2+) ion channels and mitochondrial function are regulated in a sex-specific manner. Accurate mitochondrial function and Ca2+ signaling are of utmost importance for adequate heart function and crucial to maintaining the cardiovascular health. Due to the highly sensitive nature of these processes in the heart, this review article highlights the current knowledge regarding sex dimorphisms in the heart implicating the importance of E2 and ERs in the regulation of cardiac mitochondrial function and Ca2+ ion channels, thus the contractility. In particular, we provide an overview of in-vitro and in-vivo studies using either E2 deficiency; ER deficiency or selective ER activation, which suggest that E2 and ERs are strongly involved in these processes. In this context, this review also discusses the divergent E2-responses resulting from the activation of different ER subtypes in these processes. Detailed understanding of the E2 and ER-mediated molecular and cellular mechanisms in the heart under physiological and pathological conditions may help to design more specifically targeted drugs for the management of CVDs in men and women.
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Affiliation(s)
- Shokoufeh Mahmoodzadeh
- Department of Molecular Muscle Physiology, Max-Delbrueck-Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- *Correspondence: Shokoufeh Mahmoodzadeh
| | - Elke Dworatzek
- Department of Molecular Muscle Physiology, Max-Delbrueck-Center for Molecular Medicine in the Helmholtz Association, Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, Berlin, Germany
- Institute of Gender in Medicine, Charité Universitaetsmedizin, Berlin, Germany
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93
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Puglisi R, Mattia G, Carè A, Marano G, Malorni W, Matarrese P. Non-genomic Effects of Estrogen on Cell Homeostasis and Remodeling With Special Focus on Cardiac Ischemia/Reperfusion Injury. Front Endocrinol (Lausanne) 2019; 10:733. [PMID: 31708877 PMCID: PMC6823206 DOI: 10.3389/fendo.2019.00733] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 10/10/2019] [Indexed: 12/12/2022] Open
Abstract
This review takes into consideration the main mechanisms involved in cellular remodeling following an ischemic injury, with special focus on the possible role played by non-genomic estrogen effects. Sex differences have also been considered. In fact, cardiac ischemic events induce damage to different cellular components of the heart, such as cardiomyocytes, vascular cells, endothelial cells, and cardiac fibroblasts. The ability of the cardiovascular system to counteract an ischemic insult is orchestrated by these cell types and is carried out thanks to a number of complex molecular pathways, including genomic (slow) or non-genomic (fast) effects of estrogen. These pathways are probably responsible for differences observed between the two sexes. Literature suggests that male and female hearts, and, more in general, cardiovascular system cells, show significant differences in many parameters under both physiological and pathological conditions. In particular, many experimental studies dealing with sex differences in the cardiovascular system suggest a higher ability of females to respond to environmental insults in comparison with males. For instance, as cells from females are more effective in counteracting the ischemia/reperfusion injury if compared with males, a role for estrogen in this sex disparity has been hypothesized. However, the possible involvement of estrogen-dependent non-genomic effects on the cardiovascular system is still under debate. Further experimental studies, including sex-specific studies, are needed in order to shed further light on this matter.
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Affiliation(s)
- Rossella Puglisi
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Gianfranco Mattia
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Alessandra Carè
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Giuseppe Marano
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Walter Malorni
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
- School of Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Paola Matarrese
- Center for Gender Specific Medicine, Istituto Superiore di Sanità, Rome, Italy
- *Correspondence: Paola Matarrese
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94
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Ogola BO, Zimmerman MA, Sure VN, Gentry KM, Duong JL, Clark GL, Miller KS, Katakam PVG, Lindsey SH. G Protein-Coupled Estrogen Receptor Protects From Angiotensin II-Induced Increases in Pulse Pressure and Oxidative Stress. Front Endocrinol (Lausanne) 2019; 10:586. [PMID: 31507536 PMCID: PMC6718465 DOI: 10.3389/fendo.2019.00586] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 08/09/2019] [Indexed: 12/14/2022] Open
Abstract
Our previous work showed that the G protein-coupled estrogen receptor (GPER) is protective in the vasculature and kidneys during angiotensin (Ang) II-dependent hypertension by inhibiting oxidative stress. The goal of the current study was to assess the impact of GPER deletion on sex differences in Ang II-induced hypertension and oxidative stress. Male and female wildtype and GPER knockout mice were implanted with radiotelemetry probes for measurement of baseline blood pressure before infusion of Ang II (700 ng/kg/min) for 2 weeks. Mean arterial pressure was increased to the same extent in all groups, but female wildtype mice were protected from Ang II-induced increases in pulse pressure, aortic wall thickness, and Nox4 mRNA. In vitro studies using vascular smooth muscle cells found that pre-treatment with the GPER agonist G-1 inhibited Ang II-induced ROS and NADP/NADPH. Ang II increased while G-1 decreased Nox4 mRNA and protein. The effects of Ang II were blocked by losartan and Nox4 siRNA, while the effects of G-1 were inhibited by adenylyl cyclase inhibition and mimicked by phosphodiesterase inhibition. We conclude that during conditions of elevated Ang II, GPER via the cAMP pathway suppresses Nox4 transcription to limit ROS production and prevent arterial stiffening. Taken together with our previous work, this study provides insight into how acute estrogen signaling via GPER provides cardiovascular protection during Ang II hypertension and potentially other diseases characterized by increased oxidative stress.
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Affiliation(s)
- Benard O. Ogola
- Department of Pharmacology, Tulane University, New Orleans, LA, United States
| | | | - Venkata N. Sure
- Department of Pharmacology, Tulane University, New Orleans, LA, United States
| | - Kaylee M. Gentry
- Department of Pharmacology, Tulane University, New Orleans, LA, United States
| | - Jennifer L. Duong
- Department of Pharmacology, Tulane University, New Orleans, LA, United States
| | - Gabrielle L. Clark
- Department of Biomedical Engineering, Tulane University, New Orleans, LA, United States
| | - Kristin S. Miller
- Department of Biomedical Engineering, Tulane University, New Orleans, LA, United States
| | | | - Sarah H. Lindsey
- Department of Pharmacology, Tulane University, New Orleans, LA, United States
- *Correspondence: Sarah H. Lindsey
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95
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Ma W, Chen X, Cerne R, Syed SK, Ficorilli JV, Cabrera O, Obukhov AG, Efanov AM. Catechol estrogens stimulate insulin secretion in pancreatic β-cells via activation of the transient receptor potential A1 (TRPA1) channel. J Biol Chem 2018; 294:2935-2946. [PMID: 30587572 DOI: 10.1074/jbc.ra118.005504] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 12/10/2018] [Indexed: 12/22/2022] Open
Abstract
Estrogen hormones play an important role in controlling glucose homeostasis and pancreatic β-cell function. Despite the significance of estrogen hormones for regulation of glucose metabolism, little is known about the roles of endogenous estrogen metabolites in modulating pancreatic β-cell function. In this study, we evaluated the effects of major natural estrogen metabolites, catechol estrogens, on insulin secretion in pancreatic β-cells. We show that catechol estrogens, hydroxylated at positions C2 and C4 of the steroid A ring, rapidly potentiated glucose-induced insulin secretion via a nongenomic mechanism. 2-Hydroxyestrone, the most abundant endogenous estrogen metabolite, was more efficacious in stimulating insulin secretion than any other tested catechol estrogens. In insulin-secreting cells, catechol estrogens produced rapid activation of calcium influx and elevation in cytosolic free calcium. Catechol estrogens also generated sustained elevations in cytosolic free calcium and evoked inward ion current in HEK293 cells expressing the transient receptor potential A1 (TRPA1) cation channel. Calcium influx and insulin secretion stimulated by estrogen metabolites were dependent on the TRPA1 activity and inhibited with the channel-specific pharmacological antagonists or the siRNA. Our results suggest the role of estrogen metabolism in a direct regulation of TRPA1 activity with potential implications for metabolic diseases.
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Affiliation(s)
- Wenzhen Ma
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
| | - Xingjuan Chen
- the Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Rok Cerne
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
| | - Samreen K Syed
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
| | - James V Ficorilli
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
| | - Over Cabrera
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
| | - Alexander G Obukhov
- the Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, Indiana 46202
| | - Alexander M Efanov
- From the Lilly Research Laboratories, Eli Lilly and Company, Indianapolis, Indiana 46285 and
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96
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Pabbidi MR, Kuppusamy M, Didion SP, Sanapureddy P, Reed JT, Sontakke SP. Sex differences in the vascular function and related mechanisms: role of 17β-estradiol. Am J Physiol Heart Circ Physiol 2018; 315:H1499-H1518. [DOI: 10.1152/ajpheart.00194.2018] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The incidence of cardiovascular disease (CVD) is lower in premenopausal women but increases with age and menopause compared with similarly aged men. Based on the prevalence of CVD in postmenopausal women, sex hormone-dependent mechanisms have been postulated to be the primary factors responsible for the protection from CVD in premenopausal women. Recent Women’s Health Initiative studies, Cochrane Review studies, the Early Versus Late Intervention Trial with Estradiol Study, and the Kronos Early Estrogen Prevention Study have suggested that beneficial effects of hormone replacement therapy (HRT) are seen in women of <60 yr of age and if initiated within <10 yr of menopause. In contrast, the beneficial effects of HRT are not seen in women of >60 yr of age and if commenced after 10 yr of menopause. The higher incidence of CVD and the failure of HRT in postmenopausal aged women could be partly associated with fundamental differences in the vascular structure and function between men and women and in between pre- and postmenopausal women, respectively. In this regard, previous studies from human and animal studies have identified several sex differences in vascular function and associated mechanisms. The female sex hormone 17β-estradiol regulates the majority of these mechanisms. In this review, we summarize the sex differences in vascular structure, myogenic properties, endothelium-dependent and -independent mechanisms, and the role of 17β-estradiol in the regulation of vascular function.
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Affiliation(s)
- Mallikarjuna R. Pabbidi
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi
| | - Maniselvan Kuppusamy
- Division of Endocrinology, University of Mississippi Medical Center, Jackson, Mississippi
| | - Sean P. Didion
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi
| | - Padmaja Sanapureddy
- Department of Primary Care and Medicine, G. V. (Sonny) Montgomery Veterans Affairs Medical Center, Jackson, Mississippi
| | - Joey T. Reed
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi
| | - Sumit P. Sontakke
- Department of Pharmacology and Toxicology, University of Mississippi Medical Center, Jackson, Mississippi
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97
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Kawakami M, Yokota-Nakagi N, Uji M, Yoshida KI, Tazumi S, Takamata A, Uchida Y, Morimoto K. Estrogen replacement enhances insulin-induced AS160 activation and improves insulin sensitivity in ovariectomized rats. Am J Physiol Endocrinol Metab 2018; 315:E1296-E1304. [PMID: 30179516 DOI: 10.1152/ajpendo.00131.2018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Menopause predisposes women to impaired glucose metabolism, but the role of estrogen remains unclear. In this study, we examined the effects of chronic estrogen replacement on whole body insulin sensitivity and insulin signaling in ovariectomized rats. Female Wistar rats aged 9 wk were ovariectomized under anesthesia. After 4 wk, pellets containing either 17β-estradiol (E2) or placebo (Pla) were subcutaneously implanted in the rats. After 4 wk of treatment, the intra-abdominal fat accumulation was greater in the Pla group than that in the E2 group. Hyperinsulinemic-euglycemic clamp analysis and intravenous glucose tolerance test revealed that insulin sensitivity was significantly lower in the Pla group than in the E2 group. In addition, Western blotting showed that in vivo insulin stimulation increased protein kinase B (Akt) phosphorylation to a similar degree in the gastrocnemius and liver of both groups, but phosphorylated Akt2 Ser474 was enhanced in the muscle of the E2 group compared with the Pla group. Moreover, insulin-stimulated phosphorylation of Akt substrate of 160 kDa (AS160) Thr642 was observed only in the E2 group, resulting in the difference between the two groups. Additionally, AS160 protein and mRNA levels were higher in muscle of the E2 group than the Pla group. In contrast, E2 replacement had no effect on glucose transporter 4 protein levels in muscle and glycogen synthase kinase-3β in muscle and liver. These results suggest that estrogen replacement improves insulin sensitivity by activating the Akt2/AS160 pathway in the insulin-stimulated muscle of ovariectomized rats.
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Affiliation(s)
- Mizuho Kawakami
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Naoko Yokota-Nakagi
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Masami Uji
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Ken-Ichi Yoshida
- Department of Forensic Medicine, Graduate School of Medicine, Tokyo Medical University , Tokyo , Japan
| | - Shoko Tazumi
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Akira Takamata
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Yuki Uchida
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
| | - Keiko Morimoto
- Faculty of Human Life and Environment, Department of Environmental Health, Nara Women's University , Nara , Japan
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98
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Azizian H, Khaksari M, Asadi karam G, Esmailidehaj M, Farhadi Z. Cardioprotective and anti-inflammatory effects of G-protein coupled receptor 30 (GPR30) on postmenopausal type 2 diabetic rats. Biomed Pharmacother 2018; 108:153-164. [DOI: 10.1016/j.biopha.2018.09.028] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2018] [Revised: 09/05/2018] [Accepted: 09/05/2018] [Indexed: 02/07/2023] Open
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99
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Waghulde H, Cheng X, Galla S, Mell B, Cai J, Pruett-Miller SM, Vazquez G, Patterson A, Vijay-kumar M, Joe B. Attenuation of Microbiotal Dysbiosis and Hypertension in a CRISPR/Cas9 Gene Ablation Rat Model of GPER1. Hypertension 2018; 72:1125-1132. [PMID: 30354811 PMCID: PMC6208154 DOI: 10.1161/hypertensionaha.118.11175] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 08/09/2018] [Indexed: 12/20/2022]
Abstract
G-protein-coupled estrogen receptor, Gper1, has been implicated in cardiovascular disease, but its mechanistic role in blood pressure control is poorly understood. Here, we demonstrate that genetically salt-sensitive hypertensive rats with complete genomic excision of Gper1 by a multiplexed guide RNA CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats)/Cas9 (CRISPR associated proteins) approach present with lower blood pressure, which was accompanied by altered microbiota, different levels of circulating short chain fatty acids, and improved vascular relaxation. Microbiotal transplantation from hypertensive Gper1+/+ rats reversed the cardiovascular protective effect exerted by the genomic deletion of Gper1. Thus, this study reveals a role for Gper1 in promoting microbiotal alterations that contribute to cardiovascular pathology. However, the exact mechanism by which Gper1 regulates blood pressure is still unknown. Our results indicate that the function of Gper1 is contextually dependent on the microbiome, whereby, contemplation of using Gper1 as a target for therapy of cardiovascular disease requires caution.
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Affiliation(s)
- Harshal Waghulde
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Xi Cheng
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Sarah Galla
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Blair Mell
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Jingwei Cai
- Department of Veterinary and Biomedical Sciences, University Park, PA 16802
| | - Shondra M. Pruett-Miller
- Genome Engineering and iPSC Center, Washington University School of Medicine, St. Louis, MO 63110
| | - Guillermo Vazquez
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Andrew Patterson
- Department of Veterinary and Biomedical Sciences, University Park, PA 16802
| | - Matam Vijay-kumar
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
| | - Bina Joe
- Center for Hypertension and Personalized Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
- Physiological Genomics Laboratory, Department of Physiology and Pharmacology, University of Toledo College of Medicine and Life Sciences, Toledo, OH 43614
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100
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Hewitt SC, Korach KS. Estrogen Receptors: New Directions in the New Millennium. Endocr Rev 2018; 39:664-675. [PMID: 29901737 PMCID: PMC6173474 DOI: 10.1210/er.2018-00087] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 06/07/2018] [Indexed: 12/19/2022]
Abstract
Nineteen years have passed since our previous review in this journal in 1999 regarding estrogen receptors. At that time, we described the current assessments of the physiological activities of estrogen and estrogen receptors. Since that time there has been an explosion of progress in our understanding of details of estrogen receptor-mediated processes from the molecular and cellular level to the whole organism. In this review we discuss the basic understanding of estrogen signaling and then elaborate on the progress and current understanding of estrogen receptor actions that have developed using new models and continuing clinical studies.
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Affiliation(s)
- Sylvia C Hewitt
- Receptor Biology Section, Reproductive and Developmental Endocrinology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina
| | - Kenneth S Korach
- Receptor Biology Section, Reproductive and Developmental Endocrinology Laboratory, National Institute of Environmental Health Sciences, National Institutes of Health, Research Triangle Park, North Carolina
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