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Dong H, Zeng X, Xu J, He C, Sun Z, Liu L, Huang Y, Sun Z, Cao Y, Peng Z, Qiu YA, Yu T. Advances in immune regulation of the G protein-coupled estrogen receptor. Int Immunopharmacol 2024; 136:112369. [PMID: 38824903 DOI: 10.1016/j.intimp.2024.112369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/12/2024] [Accepted: 05/27/2024] [Indexed: 06/04/2024]
Abstract
Estrogen and related receptors have been shown to have a significant impact on human development, reproduction, metabolism and immune regulation and to play a critical role in tumor development and treatment. Traditionally, the nuclear estrogen receptors (nERs) ERα and ERβ have been thought to be involved in mediating the estrogenic effects. However, our group and others have previously demonstrated that the G protein-coupled estrogen receptor (GPER) is the third independent ER, and estrogen signaling mediated by GPER is known to play an important role in normal physiology and a variety of abnormal diseases. Interestingly, recent studies have progressively revealed GPER involvement in the maintenance of the normal immune system, abnormal immune diseases, and inflammatory lesions, which may be of significant clinical value primarily in the immunotherapy of tumors. In this article, we review current advances in GPER-related immunomodulators and provide a theoretical basis and potential clinical targets to ameliorate immune-related diseases and immunotherapy for tumors.
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Affiliation(s)
- Hanzhi Dong
- Department of Oncology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330000, China
| | - Xiaoqiang Zeng
- Jiangxi Medical College, Nanchang University, Nanchang 330000, China
| | - Jiawei Xu
- Department of Breast Surgery, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China
| | - Chongwu He
- Department of Breast Surgery, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China
| | - Zhengkui Sun
- Department of Breast Surgery, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China
| | - Liyan Liu
- Department of Pharmacy, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China
| | - Yanxiao Huang
- Jiangxi Medical College, Nanchang University, Nanchang 330000, China
| | - Zhe Sun
- Department of Oncology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330000, China
| | - Yuan Cao
- Department of Oncology, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang 330000, China
| | - Zhiqiang Peng
- Department of Lymphohematology, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China.
| | - Yu-An Qiu
- Department of Critical Care Medicine, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China.
| | - Tenghua Yu
- Department of Breast Surgery, Jiangxi Cancer Hospital, The Second Affiliated Hospital of Nanchang Medical College, Jiangxi Clinical Research Center for Cancer, Nanchang 330029, China.
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2
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Prossnitz ER, Barton M. The G protein-coupled oestrogen receptor GPER in health and disease: an update. Nat Rev Endocrinol 2023:10.1038/s41574-023-00822-7. [PMID: 37193881 DOI: 10.1038/s41574-023-00822-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/28/2023] [Indexed: 05/18/2023]
Abstract
Oestrogens and their receptors contribute broadly to physiology and diseases. In premenopausal women, endogenous oestrogens protect against cardiovascular, metabolic and neurological diseases and are involved in hormone-sensitive cancers such as breast cancer. Oestrogens and oestrogen mimetics mediate their effects via the cytosolic and nuclear receptors oestrogen receptor-α (ERα) and oestrogen receptor-β (ERβ) and membrane subpopulations as well as the 7-transmembrane G protein-coupled oestrogen receptor (GPER). GPER, which dates back more than 450 million years in evolution, mediates both rapid signalling and transcriptional regulation. Oestrogen mimetics (such as phytooestrogens and xenooestrogens including endocrine disruptors) and licensed drugs such as selective oestrogen receptor modulators (SERMs) and downregulators (SERDs) also modulate oestrogen receptor activity in both health and disease. Following up on our previous Review of 2011, we herein summarize the progress made in the field of GPER research over the past decade. We will review molecular, cellular and pharmacological aspects of GPER signalling and function, its contribution to physiology, health and disease, and the potential of GPER to serve as a therapeutic target and prognostic indicator of numerous diseases. We also discuss the first clinical trial evaluating a GPER-selective drug and the opportunity of repurposing licensed drugs for the targeting of GPER in clinical medicine.
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Affiliation(s)
- Eric R Prossnitz
- Department of Internal Medicine, Division of Molecular Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, USA.
- Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, University of New Mexico Health Sciences Center, Albuquerque, NM, USA.
- University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, NM, USA.
| | - Matthias Barton
- Molecular Internal Medicine, University of Zürich, Zürich, Switzerland.
- Andreas Grüntzig Foundation, Zürich, Switzerland.
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3
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Arterburn JB, Prossnitz ER. G Protein-Coupled Estrogen Receptor GPER: Molecular Pharmacology and Therapeutic Applications. Annu Rev Pharmacol Toxicol 2023; 63:295-320. [PMID: 36662583 PMCID: PMC10153636 DOI: 10.1146/annurev-pharmtox-031122-121944] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The actions of estrogens and related estrogenic molecules are complex and multifaceted in both sexes. A wide array of natural, synthetic, and therapeutic molecules target pathways that produce and respond to estrogens. Multiple receptors promulgate these responses, including the classical estrogen receptors of the nuclear hormone receptor family (estrogen receptors α and β), which function largely as ligand-activated transcription factors, and the 7-transmembrane G protein-coupled estrogen receptor, GPER, which activates a diverse array of signaling pathways. The pharmacology and functional roles of GPER in physiology and disease reveal important roles in responses to both natural and synthetic estrogenic compounds in numerous physiological systems. These functions have implications in the treatment of myriad disease states, including cancer, cardiovascular diseases, and metabolic disorders. This review focuses on the complex pharmacology of GPER and summarizes major physiological functions of GPER and the therapeutic implications and ongoing applications of GPER-targeted compounds.
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Affiliation(s)
- Jeffrey B Arterburn
- Department of Chemistry and Biochemistry, New Mexico State University, Las Cruces, New Mexico, USA
- University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA;
| | - Eric R Prossnitz
- University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA;
- Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, and Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico, USA
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4
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Muhammad A, Forcados GE, Yusuf AP, Abubakar MB, Sadiq IZ, Elhussin I, Siddique MAT, Aminu S, Suleiman RB, Abubakar YS, Katsayal BS, Yates CC, Mahavadi S. Comparative G-Protein-Coupled Estrogen Receptor (GPER) Systems in Diabetic and Cancer Conditions: A Review. Molecules 2022; 27:molecules27248943. [PMID: 36558071 PMCID: PMC9786783 DOI: 10.3390/molecules27248943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/05/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
For many patients, diabetes Mellitus and Malignancy are frequently encountered comorbidities. Diabetes affects approximately 10.5% of the global population, while malignancy accounts for 29.4 million cases each year. These troubling statistics indicate that current treatment approaches for these diseases are insufficient. Alternative therapeutic strategies that consider unique signaling pathways in diabetic and malignancy patients could provide improved therapeutic outcomes. The G-protein-coupled estrogen receptor (GPER) is receiving attention for its role in disease pathogenesis and treatment outcomes. This review aims to critically examine GPER' s comparative role in diabetes mellitus and malignancy, identify research gaps that need to be filled, and highlight GPER's potential as a therapeutic target for diabetes and malignancy management. There is a scarcity of data on GPER expression patterns in diabetic models; however, for diabetes mellitus, altered expression of transport and signaling proteins has been linked to GPER signaling. In contrast, GPER expression in various malignancy types appears to be complex and debatable at the moment. Current data show inconclusive patterns of GPER expression in various malignancies, with some indicating upregulation and others demonstrating downregulation. Further research should be conducted to investigate GPER expression patterns and their relationship with signaling pathways in diabetes mellitus and various malignancies. We conclude that GPER has therapeutic potential for chronic diseases such as diabetes mellitus and malignancy.
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Affiliation(s)
- Aliyu Muhammad
- Center for Cancer Research, Department of Biology, Tuskegee University, Tuskegee, AL 36088, USA
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | | | - Abdurrahman Pharmacy Yusuf
- Department of Biochemistry, School of Life Sciences, Federal University of Technology, Minna P.M.B. 65, Nigeria
| | - Murtala Bello Abubakar
- Department of Physiology, Faculty of Basic Medical Sciences, College of Health Sciences, Usmanu Danfodiyo University, Sokoto P.M.B. 2254, Nigeria
- Centre for Advanced Medical Research & Training (CAMRET), Usmanu Danfodiyo University, Sokoto P.M.B. 2254, Nigeria
| | - Idris Zubairu Sadiq
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | - Isra Elhussin
- Center for Cancer Research, Department of Biology, Tuskegee University, Tuskegee, AL 36088, USA
| | - Md Abu Talha Siddique
- Center for Cancer Research, Department of Biology, Tuskegee University, Tuskegee, AL 36088, USA
| | - Suleiman Aminu
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | - Rabiatu Bako Suleiman
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | - Yakubu Saddeeq Abubakar
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | - Babangida Sanusi Katsayal
- Department of Biochemistry, Faculty of Life Sciences, Ahmadu Bello University, Zaria P.M.B. 1044, Nigeria
| | - Clayton C Yates
- Center for Cancer Research, Department of Biology, Tuskegee University, Tuskegee, AL 36088, USA
| | - Sunila Mahavadi
- Center for Cancer Research, Department of Biology, Tuskegee University, Tuskegee, AL 36088, USA
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5
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Ding Q, Chorazyczewski J, Gros R, Motulsky HJ, Limbird LE, Feldman RD. Correlation of functional and radioligand binding characteristics of GPER ligands confirming aldosterone as a GPER agonist. Pharmacol Res Perspect 2022; 10:e00995. [PMID: 36065843 PMCID: PMC9446082 DOI: 10.1002/prp2.995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 06/30/2022] [Indexed: 11/30/2022] Open
Abstract
Aldosterone exerts some of its effects not by binding to mineralocorticoid receptors, but rather by acting via G protein-coupled estrogen receptors (GPER). To determine if aldosterone binds directly to GPER, we studied the ability of aldosterone to compete for the binding of [3 H] 2-methoxyestradiol ([3 H] 2-ME), a high potency GPER-selective agonist. We used GPER gene transfer to engineer Sf9-cultured insect cells to express GPER. We chose insect cells to avoid interactions with any intrinsic mammalian receptors for aldosterone. [3 H] 2-ME binding was saturable and reversible to a high-affinity population of receptors with Kd = 3.7 nM and Bmax = 2.2 pmol/mg. Consistent with agonist binding to G Protein-coupled receptors, [3 H] 2-ME high-affinity state binding was reduced in the presence of the hydrolysis-resistant GTP analog, GppNHp. [3 H] 2-ME binding was competed for by the GPER agonist G1, the GPER antagonist G15, estradiol (E2), as well as aldosterone (Aldo). The order of potency for competing for [3 H] 2-ME binding, namely 2ME > Aldo > E2 ≥ G1, paralleled the orders of potency for inhibition of cell proliferation and inhibition of ERK phosphorylation by ligands acting at GPER. These data confirm the ability of aldosterone to interact with the GPER, consistent with the interpretation that aldosterone likely mediates its GPER-dependent effects by direct binding to the GPER. SIGNIFICANCE STATEMENT: Despite the growing evidence for aldosterone's actions via G protein-coupled estrogen receptors (GPER), there remains significant skepticism that aldosterone can directly interact with GPER. The current studies are the first to demonstrate directly that aldosterone indeed is capable of binding to the GPER and thus likely mediates its GPER-dependent effects by direct binding to the receptor.
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Affiliation(s)
- Qingming Ding
- Institute of Cardiovascular Sciences, Albrechtsen Research Centre, Winnipeg, Canada
| | - Jozef Chorazyczewski
- Departments of Medicine, Physiology and Pharmacology, Robarts Research Institute, London, Canada
| | - Robert Gros
- Departments of Medicine, Physiology and Pharmacology, Robarts Research Institute, London, Canada
| | | | - Lee E Limbird
- Department of Life and Physical Sciences, Fisk University, Nashville, Tennessee, USA
| | - Ross D Feldman
- Institute of Cardiovascular Sciences, Albrechtsen Research Centre, Winnipeg, Canada
- Departments of Medicine, Physiology and Pharmacology, Robarts Research Institute, London, Canada
- Department of Pharmacology & Therapeutics, University of Manitoba, Winnipeg, Canada
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6
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Dika E, Lambertini M, Lauriola M, Veronesi G, Ricci C, Tartari F, Tassone D, Campione E, Scarfì F. Female melanoma and estrogen receptors expression: an immunohistochemical pilot study. Melanoma Res 2022; 32:231-240. [PMID: 35579670 DOI: 10.1097/cmr.0000000000000826] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Epidemiologic data highlight sex differences in melanoma outcome. A putative role of sex hormones is still under investigation. Very few laboratory investigations have focused on the level of expression of estrogen receptors in melanoma. We evaluated the presence of estrogen receptors alpha (ERα) and beta (ERβ) in melanoma specimens from female patients with a previous history of breast carcinoma (BC). Moreover, another group of female patients undergoing ovarian stimulation (OS) were also compared to two control groups matched for age and melanoma staging. The study was performed at the IRCCS Policlinico di Sant'Orsola Hospital's Melanoma Unit from January 2017 to December 2019. The nuclear and cytoplasmatic immunohistochemical staining was evaluated and scored by the percentage of stained tumour cells: 0 (≤20%), 1 (21-50%) or 2 (≥50%). Twenty-eight specimens were analysed. ERβ nuclear presence was detected in all cases of women with a history of breast cancer. Cytoplasmatic ERβ was clearly expressed with a score of 2 in seven cases. In the respective control group, nuclear and cytoplasmatic ERβ expression was much lower. A cytoplasmatic ERα positivity was also detected in almost all cases. In the second group of women who experienced ovarian stimulation for Assisted Reproductive Technology (ART), a lower abundance of nuclear ERs was detected. Conversely, cytoplasmatic ERβ and α expression ranged widely. Melanoma of women treated with anti-estrogen therapy is generally more prone to express estrogen receptors compared with women of the same age and CM staging but also compared with women in fertile age with and without a history of OS.
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Affiliation(s)
- Emi Dika
- Dermatology, IRCCS Policlinico di Sant'Orsola
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
| | - Martina Lambertini
- Dermatology, IRCCS Policlinico di Sant'Orsola
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
| | - Mattia Lauriola
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
| | - Giulia Veronesi
- Dermatology, IRCCS Policlinico di Sant'Orsola
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
| | - Costantino Ricci
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
- Pathology Unit, Ospedale Maggiore
| | - Federico Tartari
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
| | - Daniela Tassone
- Plastic surgery unit, IRCCS Policlinico di Sant'Orsola, Bologna
| | - Elena Campione
- Dermatologic Unit, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Federica Scarfì
- Dermatology, IRCCS Policlinico di Sant'Orsola
- Dermatology, Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna
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7
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Chiavarini M, Naldini G, Giacchetta I, Fabiani R. Exogenous Hormone Factors in Relation to the Risk of Malignant Melanoma in Women: A Systematic Review and Meta-Analysis. Cancers (Basel) 2022; 14:cancers14133192. [PMID: 35804961 PMCID: PMC9264834 DOI: 10.3390/cancers14133192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/18/2022] [Accepted: 06/21/2022] [Indexed: 02/04/2023] Open
Abstract
The influence of exogenous female hormones on the risk of developing malignant melanoma in women remains controversial. The aim of our review and meta-analysis is to summarize the evidence and derive a more accurate estimation of the association between oral contraceptives (OCs) or menopausal hormone therapy (MHT) and the risk of developing malignant melanoma in women. PubMed, Web of Science, and Scopus database were searched for studies published up until October 2021. The PRISMA statement and MOOSE guidelines were followed. Studies were pooled using a random effects model. Heterogeneity was explored with the chi-square-based Cochran’s Q statistic and the I2 statistic. Publication bias was assessed with Begg’s test and Egger’s test. Forty-six studies met the eligibility criteria. The pooled analysis (26 studies) on OC use and the risk of developing cutaneous malignant melanoma (CMM) showed no significant association, but demonstrated significant association for cohort studies (OR 1.08, 95% CI 1.01–1.16; I2 = 0.00%, p = 0.544). The pooled analysis (16 studies) showed a significantly increased risk of CMM in association with MHT (OR 1.15, 95% CI 1.08–1.23; I2 = 25.32%, p = 0.169). Stratifying the results by study design showed that a significant increased risk of CMM was associated with MHT in the cohort studies (OR 1.12; 95% CI 1.04–1.19; I2 = 0%, p = 0.467). No significant publication bias could be detected. Further studies are needed to investigate the potential association with formulation, duration of use, and dosage of use, and to better understand the role of possible confounders.
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Affiliation(s)
- Manuela Chiavarini
- Department of Experimental Medicine, Section of Public Heath, University of Perugia, 06129 Perugia, Italy;
| | - Giulia Naldini
- School of Specialization in Hygiene and Preventive Medicine, University of Perugia, 06129 Perugia, Italy;
| | - Irene Giacchetta
- School of Specialization in Hygiene and Preventive Medicine, University of Perugia, 06129 Perugia, Italy;
- Correspondence:
| | - Roberto Fabiani
- Department of Chemistry, Biology and Biotechnology, University of Perugia, 06129 Perugia, Italy;
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8
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Zhao Y, Liu H, Fan M, Miao Y, Zhao X, Wei Q, Ma B. G protein-coupled receptor 30 mediates cell proliferation of goat mammary epithelial cells via MEK/ERK&PI3K/AKT signaling pathway. Cell Cycle 2022; 21:2027-2037. [PMID: 35659445 DOI: 10.1080/15384101.2022.2083708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The mammary gland of mammals possesses the specific function of synthesizing, secreting, and delivering milk. Notably, mammary epithelial cells are considered to be central to control the expansion and remodeling of mammary gland into a milk-secretory organ. And the biological function of mammary gland is mainly regulated by the endocrine system, especially for estrogen. G protein-coupled receptor 30 (GPR30), an estrogen membrane receptor, mediates estrogen-induced functions of physiology and pathophysiology. However, the relationship between estrogen/GPR30 signaling and proliferation of goat mammary epithelial cells (gMECs) is still unclear. Herein, estrogen promoted cell proliferation than control, as evidence by upregulation of cell numbers, BrdU-positive cell counts, and cell viability. Of note, these activities were all obviously reduced by treatment with GPR30 antagonist G15, yet GPR30 agonist G1 increased cell proliferation than control. Further, GPR30 silencing inhibited cell proliferation than negative control. This inhibition was accompanied by a G2/M phase arrest and downregulation of cell cycle regulators. Meanwhile, estrogen increased the phosphorylation of ERK1/2 and AKT. Further, the protein level of p-ERK1/2 and p-AKT was enhanced by GPR30 agonist G1 but inhibited by GPR30 antagonist G15 and GPR30 silencing. Importantly, MEK inhibitor and PI3K inhibitor decreased the expression of cell cycle regulators, and repressed estrogen-induced and G1-driven promotion of cell proliferation, suggesting that estrogen regulated cell proliferation of gMECs through mechanisms involving cell cycle, dependent of GPR30 and MEK/ERK and PI3K/AKT signaling pathway. This may provide a strong theoretical basis for researching estrogen sustained-release drugs promoting breast development and improving lactation performance.Abbreviations: gMECs, goat mammary epithelial cells; E2, 17β-estradiol; GPR30, G protein-coupled receptor 30; shRNA, small hairpin RNA; CDK, cyclin-dependent kinase; PI3K, phosphatidylinositol 3-kinase; AKT, proteinkinase B; MAPK, mitogen-activated protein kinase; MEK, mitogen-activated protein kinase kinase; ERK1/2, extracellular signal-regulated kinase 1/2.
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Affiliation(s)
- Ying Zhao
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Haokun Liu
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Mingzhen Fan
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Yuyang Miao
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Xiaoe Zhao
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Qing Wei
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
| | - Baohua Ma
- Key Laboratory of Animal Biotechnology, Ministry of Agriculture, College of Veterinary Medicine, Northwest A&F University, Yangling, Shaanxi, China
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9
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Vellano CP, White MG, Andrews MC, Chelvanambi M, Witt RG, Daniele JR, Titus M, McQuade JL, Conforti F, Burton EM, Lastrapes MJ, Ologun G, Cogdill AP, Morad G, Prieto P, Lazar AJ, Chu Y, Han G, Khan MAW, Helmink B, Davies MA, Amaria RN, Kovacs JJ, Woodman SE, Patel S, Hwu P, Peoples M, Lee JE, Cooper ZA, Zhu H, Gao G, Banerjee H, Lau M, Gershenwald JE, Lucci A, Keung EZ, Ross MI, Pala L, Pagan E, Segura RL, Liu Q, Borthwick MS, Lau E, Yates MS, Westin SN, Wani K, Tetzlaff MT, Haydu LE, Mahendra M, Ma X, Logothetis C, Kulstad Z, Johnson S, Hudgens CW, Feng N, Federico L, Long GV, Futreal PA, Arur S, Tawbi HA, Moran AE, Wang L, Heffernan TP, Marszalek JR, Wargo JA. Androgen receptor blockade promotes response to BRAF/MEK-targeted therapy. Nature 2022; 606:797-803. [PMID: 35705814 PMCID: PMC10071594 DOI: 10.1038/s41586-022-04833-8] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 05/05/2022] [Indexed: 01/27/2023]
Abstract
Treatment with therapy targeting BRAF and MEK (BRAF/MEK) has revolutionized care in melanoma and other cancers; however, therapeutic resistance is common and innovative treatment strategies are needed1,2. Here we studied a group of patients with melanoma who were treated with neoadjuvant BRAF/MEK-targeted therapy ( NCT02231775 , n = 51) and observed significantly higher rates of major pathological response (MPR; ≤10% viable tumour at resection) and improved recurrence-free survival (RFS) in female versus male patients (MPR, 66% versus 14%, P = 0.001; RFS, 64% versus 32% at 2 years, P = 0.021). The findings were validated in several additional cohorts2-4 of patients with unresectable metastatic melanoma who were treated with BRAF- and/or MEK-targeted therapy (n = 664 patients in total), demonstrating improved progression-free survival and overall survival in female versus male patients in several of these studies. Studies in preclinical models demonstrated significantly impaired anti-tumour activity in male versus female mice after BRAF/MEK-targeted therapy (P = 0.006), with significantly higher expression of the androgen receptor in tumours of male and female BRAF/MEK-treated mice versus the control (P = 0.0006 and P = 0.0025). Pharmacological inhibition of androgen receptor signalling improved responses to BRAF/MEK-targeted therapy in male and female mice (P = 0.018 and P = 0.003), whereas induction of androgen receptor signalling (through testosterone administration) was associated with a significantly impaired response to BRAF/MEK-targeted therapy in male and female patients (P = 0.021 and P < 0.0001). Together, these results have important implications for therapy.
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Affiliation(s)
- Christopher P Vellano
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael G White
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Miles C Andrews
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Medicine, Central Clinical School, Monash University, Melbourne, Victoria, Australia
| | - Manoj Chelvanambi
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Russell G Witt
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Joseph R Daniele
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mark Titus
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jennifer L McQuade
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Fabio Conforti
- Division of Melanoma, Sarcomas, and Rare Tumors, European Institute of Oncology, IRCCS, Milan, Italy
| | - Elizabeth M Burton
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Matthew J Lastrapes
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gabriel Ologun
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Surgery, Guthrie Courtland Medical Center, Courtland, NY, USA
| | - Alexandria P Cogdill
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Immunai, New York, NY, USA
| | - Golnaz Morad
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Peter Prieto
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Surgery, University of Rochester, Rochester, NY, USA
| | - Alexander J Lazar
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Yanshuo Chu
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Guangchun Han
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - M A Wadud Khan
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Beth Helmink
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Surgery, Washington University in St Louis, St Louis, MO, USA
| | - Michael A Davies
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Rodabe N Amaria
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jeffrey J Kovacs
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Scott E Woodman
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sapna Patel
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Patrick Hwu
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Moffitt Cancer Center, Tampa, FL, USA
| | - Michael Peoples
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Jeffrey E Lee
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zachary A Cooper
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,AstraZeneca, Gaithersburg, MD, USA
| | - Haifeng Zhu
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Guang Gao
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hiya Banerjee
- Clinical Development and Analytics, Novartis Pharmaceuticals, East Hanover, NJ, USA
| | - Mike Lau
- Novartis Pharma, Basel, Switzerland
| | - Jeffrey E Gershenwald
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Anthony Lucci
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Emily Z Keung
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Merrick I Ross
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Laura Pala
- Division of Melanoma, Sarcomas, and Rare Tumors, European Institute of Oncology, IRCCS, Milan, Italy
| | - Eleonora Pagan
- Department of Statistics and Quantitative Methods, University of Milan-Bicocca, Milan, Italy
| | - Rossana Lazcano Segura
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Qian Liu
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Mikayla S Borthwick
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Eric Lau
- Department of Tumor Biology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Melinda S Yates
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Shannon N Westin
- Department of Gynecologic Oncology and Reproductive Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Khalida Wani
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Michael T Tetzlaff
- Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.,Department of Pathology, University of California, San Francisco, CA, USA
| | - Lauren E Haydu
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mikhila Mahendra
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - XiaoYan Ma
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christopher Logothetis
- Department of Genitourinary Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Zachary Kulstad
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Sarah Johnson
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Courtney W Hudgens
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Ningping Feng
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Lorenzo Federico
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Georgina V Long
- Melanoma Institute Australia, The University of Sydney, and Royal North Shore and Mater Hospitals, Sydney, New South Wales, Australia
| | - P Andrew Futreal
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Swathi Arur
- Department of Genetics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Hussein A Tawbi
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Amy E Moran
- Cell, Development & Cancer Biology, Knight Cancer Institute, Oregon Health & Science University, Portland, OR, USA
| | - Linghua Wang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Timothy P Heffernan
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Joseph R Marszalek
- TRACTION Platform, Therapeutics Discovery Division, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
| | - Jennifer A Wargo
- Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. .,Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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10
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Torres-López L, Olivas-Aguirre M, Villatoro-Gómez K, Dobrovinskaya O. The G-Protein–Coupled Estrogen Receptor Agonist G-1 Inhibits Proliferation and Causes Apoptosis in Leukemia Cell Lines of T Lineage. Front Cell Dev Biol 2022; 10:811479. [PMID: 35237599 PMCID: PMC8882838 DOI: 10.3389/fcell.2022.811479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 01/13/2022] [Indexed: 11/25/2022] Open
Abstract
The G-protein–coupled estrogen receptor (GPER) mediates non-genomic action of estrogen. Due to its differential expression in some tumors as compared to the original healthy tissues, the GPER has been proposed as a therapeutic target. Accordingly, the non-steroidal GPER agonist G-1, which has often demonstrated marked cytotoxicity in experimental models, has been suggested as a novel anticancer agent for several sensitive tumors. We recently revealed that cell lines derived from acute T-cell (query) lymphoblastic leukemia (T-ALL) express the GPER. Here, we address the question whether G-1 is cytotoxic to T-ALL. We have shown that G-1 causes an early rise of intracellular Ca2+, arrests the cell cycle in G2/M, reduces viability, and provokes apoptosis in T-ALL cell lines. Importantly, G-1 caused destabilization and depolymerization of microtubules. We assume that it is a disturbance of the cytoskeleton that causes G-1 cytotoxic and cytostatic effects in our model. The observed cytotoxic effects, apparently, were not triggered by the interaction of G-1 with the GPER as pre-incubation with the highly selective GPER antagonist G-36 was ineffective in preventing the cytotoxicity of G-1. However, G-36 prevented the intracellular Ca2+ rise provoked by G-1. Finally, G-1 showed only a moderate negative effect on the activation of non-leukemic CD4+ lymphocytes. We suggest G-1 as a potential antileukemic drug.
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11
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Chen P, Li B, Ou-Yang L. Role of estrogen receptors in health and disease. Front Endocrinol (Lausanne) 2022; 13:839005. [PMID: 36060947 PMCID: PMC9433670 DOI: 10.3389/fendo.2022.839005] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 07/26/2022] [Indexed: 12/14/2022] Open
Abstract
Estrogen receptors (ERs) regulate multiple complex physiological processes in humans. Abnormal ER signaling may result in various disorders, including reproductive system-related disorders (endometriosis, and breast, ovarian, and prostate cancer), bone-related abnormalities, lung cancer, cardiovascular disease, gastrointestinal disease, urogenital tract disease, neurodegenerative disorders, and cutaneous melanoma. ER alpha (ERα), ER beta (ERβ), and novel G-protein-coupled estrogen receptor 1 (GPER1) have been identified as the most prominent ERs. This review provides an overview of ERα, ERβ, and GPER1, as well as their functions in health and disease. Furthermore, the potential clinical applications and challenges are discussed.
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Affiliation(s)
| | - Bo Li
- *Correspondence: Bo Li, libo‐‐
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12
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Molecular Proof of a Clinical Concept: Expression of Estrogen Alpha-, Beta-Receptors and G Protein-Coupled Estrogen Receptor 1 (GPER) in Histologically Assessed Common Nevi, Dysplastic Nevi and Melanomas. Medicina (B Aires) 2021; 57:medicina57111228. [PMID: 34833446 PMCID: PMC8621316 DOI: 10.3390/medicina57111228] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2021] [Revised: 10/31/2021] [Accepted: 11/02/2021] [Indexed: 11/30/2022] Open
Abstract
Background and Objectives: Epidemiologic data show significant differences in melanoma incidence and outcomes between sexes. The role of hormonal receptors in the pathogenesis of melanocytic lesions remains unclear, thus we performed this study aiming to assess estrogen receptors expression in different melanocytic lesions. Materials and Methods: We performed a cross-sectional study that included 73 consecutively excised melanocytic lesions. Estrogen receptor alpha (ERα), beta (ERβ), and G-protein coupled estrogen receptor (GPER) expression was analyzed in melanocytes and keratinocytes of common nevi, dysplastic nevi, melanoma, healthy skin margin, and in sebaceous and sweat gland cells. Results: ERβ expression was higher in dysplastic nevi margin melanocytes compared to common nevi (p = 0.046) and in dysplastic nevi keratinocytes compared to melanoma keratinocytes (p = 0.021). ERβ expression was significantly higher in margin melanocytes compared to melanoma melanocytes (p = 0.009). No difference in ERβ expression was shown between melanocytes of three types of lesions. GPER expression was higher in nuclei and cytoplasm of dysplastic nevi (p = 0.02 and p = 0.036 respectively) and at the margin compared to melanoma. GPER expression was lower in sebaceous glands of tissue surrounding common nevi (p = 0.025) compared to dysplastic nevi. GPER expression was higher in skin margin tissue melanocytes (p = 0.016 nuclear, p = 0.029 cytoplasmic) compared to melanoma melanocytes. There were no differences in ERα expression between the melanocytic lesions. Conclusion: Further large-scale studies are warranted to investigate the potential role of ERβ and GPER in the pathogenesis of melanocytic lesions.
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13
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Elwakeel E, Weigert A. Breast Cancer CAFs: Spectrum of Phenotypes and Promising Targeting Avenues. Int J Mol Sci 2021; 22:11636. [PMID: 34769066 PMCID: PMC8583860 DOI: 10.3390/ijms222111636] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 10/22/2021] [Accepted: 10/22/2021] [Indexed: 01/03/2023] Open
Abstract
Activationof the tumor-associated stroma to support tumor growth is a common feature observed in different cancer entities. This principle is exemplified by cancer-associated fibroblasts (CAFs), which are educated by the tumor to shape its development across all stages. CAFs can alter the extracellular matrix (ECM) and secrete a variety of different molecules. In that manner they have the capability to affect activation, survival, proliferation, and migration of other stromal cells and cancer cell themselves. Alteration of the ECM, desmoplasia, is a common feature of breast cancer, indicating a prominent role for CAFs in shaping tumor development in the mammary gland. In this review, we summarize the multiple roles CAFs play in mammary carcinoma. We discuss experimental and clinical strategies to interfere with CAFs function in breast cancer. Moreover, we highlight the issues arising from CAFs heterogeneity and the need for further research to identify CAFs subpopulation(s) that can be targeted to improve breast cancer therapy.
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Affiliation(s)
- Eiman Elwakeel
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany;
| | - Andreas Weigert
- Institute of Biochemistry I, Faculty of Medicine, Goethe-University Frankfurt, 60590 Frankfurt, Germany;
- Frankfurt Cancer Institute, Goethe-University Frankfurt, 60596 Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site Frankfurt, 60590 Frankfurt, Germany
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14
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Pepermans RA, Sharma G, Prossnitz ER. G Protein-Coupled Estrogen Receptor in Cancer and Stromal Cells: Functions and Novel Therapeutic Perspectives. Cells 2021; 10:cells10030672. [PMID: 33802978 PMCID: PMC8002620 DOI: 10.3390/cells10030672] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2021] [Revised: 03/08/2021] [Accepted: 03/10/2021] [Indexed: 02/06/2023] Open
Abstract
Estrogen is involved in numerous physiological and pathophysiological systems. Its role in driving estrogen receptor-expressing breast cancers is well established, but it also has important roles in a number of other cancers, acting both on tumor cells directly as well as in the function of multiple cells of the tumor microenvironment, including fibroblasts, immune cells, and adipocytes, which can greatly impact carcinogenesis. One of its receptors, the G protein-coupled estrogen receptor (GPER), has gained much interest over the last decade in both health and disease. Increasing evidence shows that GPER contributes to clinically observed endocrine therapy resistance in breast cancer while also playing a complex role in a number of other cancers. Recent discoveries regarding the targeting of GPER in combination with immune checkpoint inhibition, particularly in melanoma, have led to the initiation of the first Phase I clinical trial for the GPER-selective agonist G-1. Furthermore, its functions in metabolism and corresponding pathophysiological states, such as obesity and diabetes, are becoming more evident and suggest additional therapeutic value in targeting GPER for both cancer and other diseases. Here, we highlight the roles of GPER in several cancers, as well as in metabolism and immune regulation, and discuss the therapeutic value of targeting this estrogen receptor as a potential treatment for cancer as well as contributing metabolic and inflammatory diseases and conditions.
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Affiliation(s)
- Richard A. Pepermans
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (R.A.P.); (G.S.)
| | - Geetanjali Sharma
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (R.A.P.); (G.S.)
- Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
| | - Eric R. Prossnitz
- Division of Molecular Medicine, Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA; (R.A.P.); (G.S.)
- Center of Biomedical Research Excellence in Autophagy, Inflammation and Metabolism, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
- University of New Mexico Comprehensive Cancer Center, University of New Mexico Health Sciences Center, Albuquerque, NM 87131, USA
- Correspondence: ; Tel.: +1-505-272-5647
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15
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Sun Q, Sun H, Cong L, Zheng Y, Wu N, Cong X. Effects of Exogenous Hormones and Reproductive Factors on Female Melanoma: A Meta-Analysis. Clin Epidemiol 2020; 12:1183-1203. [PMID: 33149695 PMCID: PMC7605627 DOI: 10.2147/clep.s273566] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 09/30/2020] [Indexed: 12/30/2022] Open
Abstract
Epidemiological findings on the effects of hormones on melanoma risk have been inconsistent. We therefore conducted a meta-analysis to examine the relationship between exogenous hormonal and reproductive factors and the risk of melanoma in women. We performed a search of PubMed, Web of Science, and the China National Knowledge Infrastructure (CNKI) database through April 2020 for relevant studies. Based on heterogeneity, we performed the meta-analysis of the risk estimates using either fixed effect or random effect models. We identified 38 studies that met the analytical criteria, involving 3,571,910 participants. The results showed that long-term use of oral contraceptives (OC) may increase the risk of melanoma in women (≥5 years [pooled RR=1.18; 95% CI: 1.07-1.31; I2=0%] and ≥10 years [pooled RR=1.25; 95% CI: 1.06-1.48; I2=0%]). Women who first used OC 15-19 years previously were more likely to develop melanoma (pooled RR=1.52; 95% CI: 1.03-2.24; I2=0%), while the years since the last use and the age at first use were not associated with the development of melanoma in women. Hormone replacement therapy (HRT) increased the incidence of melanoma in women (pooled RR=1.12, 95% CI: 1.02-1.24; I2=50%) and was especially associated with an increased risk of superficial spreading melanoma (SSM) (pooled RR=1.26; 95% CI: 1.17-1.37; I2=0%), and estrogen and estradiol may be the main active agents that contribute to the increased risk of melanoma, but these results may be due to a combination of sun exposure factors. With regard to reproductive factors, decreased parity and being aged ≥20 years at first birth may be associated with an increased risk of melanoma in females, while menopausal status and age at menarche are not associated with the incidence of melanoma in females. Further large-scale prospective studies are necessary to reveal new pathophysiological mechanisms and new therapeutic targets for cutaneous melanoma.
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Affiliation(s)
- Qian Sun
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Hongyan Sun
- Tissue Bank, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Lele Cong
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Yang Zheng
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Nan Wu
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
| | - Xianling Cong
- Department of Dermatology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, People's Republic of China
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16
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Bellenghi M, Puglisi R, Pontecorvi G, De Feo A, Carè A, Mattia G. Sex and Gender Disparities in Melanoma. Cancers (Basel) 2020; 12:E1819. [PMID: 32645881 PMCID: PMC7408637 DOI: 10.3390/cancers12071819] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/22/2020] [Accepted: 07/03/2020] [Indexed: 12/19/2022] Open
Abstract
Worldwide, the total incidence of cutaneous melanoma is higher in men than in women, with some differences related to ethnicity and age and, above all, sex and gender. Differences exist in respect to the anatomic localization of melanoma, in that it is more frequent on the trunk in men and on the lower limbs in women. A debated issue is if-and to what extent-melanoma development can be attributed to gender-specific behaviors or to biologically intrinsic differences. In the search for factors responsible for the divergences, a pivotal role of sex hormones has been observed, although conflicting results indicate the involvement of other mechanisms. The presence on the X chromosome of numerous miRNAs and coding genes playing immunological roles represents another important factor, whose relevance can be even increased by the incomplete X chromosome random inactivation. Considering the known advantages of the female immune system, a different cancer immune surveillance efficacy was suggested to explain some sex disparities. Indeed, the complexity of this picture emerged when the recently developed immunotherapies unexpectedly showed better improvements in men than in women. Altogether, these data support the necessity of further studies, which consider enrolling a balanced number of men and women in clinical trials to better understand the differences and obtain actual gender-equitable healthcare.
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Affiliation(s)
- Maria Bellenghi
- Center for Gender-specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.B.); (R.P.); (G.P.); (G.M.)
| | - Rossella Puglisi
- Center for Gender-specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.B.); (R.P.); (G.P.); (G.M.)
| | - Giada Pontecorvi
- Center for Gender-specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.B.); (R.P.); (G.P.); (G.M.)
| | - Alessandra De Feo
- Laboratory of Experimental Oncology, IRCCS Istituto Ortopedico Rizzoli, 40136 Bologna, Italy;
| | - Alessandra Carè
- Center for Gender-specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.B.); (R.P.); (G.P.); (G.M.)
| | - Gianfranco Mattia
- Center for Gender-specific Medicine, Istituto Superiore di Sanità, 00161 Rome, Italy; (M.B.); (R.P.); (G.P.); (G.M.)
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17
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Zacarías-Lara OJ, Méndez-Luna D, Martínez-Ruíz G, García-Sanchéz JR, Fragoso-Vázquez MJ, Bello M, Becerra-Martínez E, García-Vázquez JB, Correa-Basurto J. Synthesis and In Vitro Evaluation of Tetrahydroquinoline Derivatives as Antiproliferative Compounds of Breast Cancer via Targeting the GPER. Anticancer Agents Med Chem 2020; 19:760-771. [PMID: 30451119 DOI: 10.2174/1871520618666181119094144] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Revised: 07/03/2018] [Accepted: 11/04/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND Some reports have demonstrated the role of the G Protein-coupled Estrogen Receptor (GPER) in growth and proliferation of breast cancer cells. OBJECTIVE In an effort to develop new therapeutic strategies against breast cancer, we employed an in silico study to explore the binding modes of tetrahydroquinoline 2 and 4 to be compared with the reported ligands G1 and G1PABA. METHODS This study aimed to design and filter ligands by in silico studies determining their Lipinski's rule, toxicity and binding properties with GPER to achieve experimental assays as anti-proliferative compounds of breast cancer cell lines. RESULTS In silico studies suggest as promissory two tetrahydroquinoline 2 and 4 which contain a carboxyl group instead of the acetyl group (as is needed for G1 synthesis), which add low (2) and high hindrance (4) chemical moieties to explore the polar, hydrophobic and hindrance effects. Docking and molecular dynamics simulations of the target compounds were performed with GPER to explore their binding mode and free energy values. In addition, the target small molecules were synthesized and assayed in vitro using breast cancer cells (MCF-7 and MDA-MB-231). Experimental assays showed that compound 2 decreased cell proliferation, showing IC50 values of 50µM and 25µM after 72h of treatment of MCF-7 and MDA-MB-231 cell lines, respectively. Importantly, compound 2 showed a similar inhibitory effect on proliferation as G1 compound in MDA-MB-231 cells, suggesting that both ligands reach the GPER-binding site in a similar way, as was demonstrated through in silico studies. CONCLUSION A concentration-dependent inhibition of cell proliferation occurred with compound 2 in the two cell lines regardless of GPER.
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Affiliation(s)
- Oscar J Zacarías-Lara
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
| | - David Méndez-Luna
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
| | - Gustavo Martínez-Ruíz
- Unidad de Investigacion en Enfermedades Oncologicas, Hospital Infantil de Mexico, Federico Gomez, Mexico
| | - José R García-Sanchéz
- Laboratorio de Oncologia Molecular y Estres Oxidativo, Seccion de Estudios de Posgrado e Investigacion, Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
| | - Manuel J Fragoso-Vázquez
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico.,Departamento de Química Orgánica, Escuela Nacional de Ciencias, Biológicas, Instituto Politécnico Nacional, Prolongación de Carpio y Plan de Ayala, México, CDMX., 11340 México
| | - Martiniano Bello
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
| | - Elvia Becerra-Martínez
- Laboratorio de RMN, Centro de Nanociencias y Micro y Nanotecnologias, Instituto Politecnico Nacional, Calle Luis Enrique Erro s/n, Unidad Profesional Adolfo Lopez Mateos, Gustavo A, Madero, 07738 Mexico, Ciudad de Mexico, Mexico
| | - Juan B García-Vázquez
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
| | - José Correa-Basurto
- Laboratorio de Diseno y Desarrollo de Nuevos Farmacos e Innovacion Biotecnologica (Laboratory for the Design and Development of New Drugs and Biotechnological Innovation), Escuela Superior de Medicina, Instituto Politecnico Nacional, Plan de San Luis y Diaz Miron, 11340 Mexico, CDMX, Mexico
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18
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GPER-1 expression is associated with a decreased response rate to primary tamoxifen therapy of breast cancer patients. Arch Gynecol Obstet 2020; 301:565-571. [PMID: 31900584 DOI: 10.1007/s00404-019-05384-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 11/07/2019] [Indexed: 12/26/2022]
Abstract
PURPOSE Endocrine therapies using tamoxifen and/or aromatase inhibitors are important therapeutic options for the targeted treatment of hormone-responsive breast cancer. In addition to nuclear estrogen receptors ERα and β, G-protein-coupled estrogen receptor GPER-1 is a third receptor-mediating estrogen effects in breast cancer cells. The aim of this study was to examine to what extent GPER-1 expression might affect the efficacy of primary endocrine treatment of breast cancer. METHODS GPER-1 expression was determined in tissue samples from patients with early breast cancer by means of immunohistochemistry and a GPER-1 score of ≥ 3 was considered to be positive. In a total of 165 patients, the response to a primary therapy with tamoxifen (TAM) or aromatase inhibitors (AI) was assessed by ultrasound imaging for up to 6 months. The primary endpoint of this study was the response to treatment evaluated by RECIST 1.1 criteria. RESULTS GPER-1 expression was observed in 127 (77.0%) out of 165 cases. Based on GPER-1 expression and the type of endocrine treatment, the patients were divided into 4 groups: GPER-1 negative/TAM (12.1%), GPER-1 negative/AI (10.9%), GPER-1 positive/TAM (44.8%), and GPER-1 positive/AI (32.1%). The groups were well balanced regarding different clinical and pathological factors. After 4 and 6 months of treatment, a high level of stable disease or progressive disease was observed in the GPER-1 positive/TAM group only (p < 0.0001), whereas in the other three groups of patients, the most common objective response was classified as partial response. We observed a continuous reduction of mean tumor size in patients treated with aromatase inhibitors irrespective of the GPER-1 status and in GPER-1 negative patients treated with TAM. In contrast, in GPER-1 positive patients treated with TAM, a reduction of mean tumor size was observed only in the first 2 months after beginning of treatment. Four and six months after start of treatment, no reduction, but even a slight increase of tumor size was observed in this patients group. CONCLUSIONS GPER-1 expression is significantly associated with a reduced effect of primary treatment with tamoxifen in breast cancer patients.
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Dika E, Patrizi A, Lambertini M, Manuelpillai N, Fiorentino M, Altimari A, Ferracin M, Lauriola M, Fabbri E, Campione E, Veronesi G, Scarfì F. Estrogen Receptors and Melanoma: A Review. Cells 2019; 8:E1463. [PMID: 31752344 PMCID: PMC6912660 DOI: 10.3390/cells8111463] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 11/14/2019] [Accepted: 11/16/2019] [Indexed: 12/11/2022] Open
Abstract
In the last three decades cutaneous melanoma has been widely investigated as a steroid hormone-sensitive cancer. Following this hypothesis, many epidemiological studies have investigated the relationship between estrogens and melanoma. No evidence to date has supported this association due to the great complexity of genetic, external and environmental factors underlying the development of this cancer. Molecular mechanisms through which estrogen and their receptor exert a role in melanoma genesis are still under investigation with new studies increasingly focusing on the discovery of new molecular targets for therapeutic treatments.
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Affiliation(s)
- Emi Dika
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
| | - Annalisa Patrizi
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
| | - Martina Lambertini
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
| | - Nicholas Manuelpillai
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
| | - Michelangelo Fiorentino
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (M.F.); (M.F.); (E.F.)
| | - Annalisa Altimari
- Laboratory of Oncologic Molecular Pathology, S.Orsola-Malpighi Hospital, 40138 Bologna, Italy;
| | - Manuela Ferracin
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (M.F.); (M.F.); (E.F.)
| | - Mattia Lauriola
- Histology, Embryology and Applied Biology Unit Department of Experimental, Diagnostic and Specialty Medicine—DIMES University of Bologna, 40138 Bologna, Italy;
| | - Enrica Fabbri
- Pathology Unit, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (M.F.); (M.F.); (E.F.)
| | - Elena Campione
- Division of Dermatology, Department of Systems Medicine, University of Rome Tor Vergata, 00133 Rome, Italy;
| | - Giulia Veronesi
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
| | - Federica Scarfì
- Dermatology Section, Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, 40138 Bologna, Italy; (A.P.); (M.L.); (N.M.); (G.V.); (F.S.)
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Ignatov T, Claus M, Nass N, Haybaeck J, Seifert B, Kalinski T, Ortmann O, Ignatov A. G-protein-coupled estrogen receptor GPER-1 expression in hormone receptor-positive breast cancer is associated with poor benefit of tamoxifen. Breast Cancer Res Treat 2018; 174:121-127. [PMID: 30478785 DOI: 10.1007/s10549-018-5064-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/17/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND The role of G-protein-coupled estrogen receptor 1 (GPER-1) in the development of tamoxifen resistance in breast cancer is a highly controversial issue. The aim of this study was to determine the expression of GPER-1 in the clinical routine under conditions of endocrine treatment. PATIENTS AND METHODS GPER-1 expression was analyzed in 442 patients with primary invasive breast cancer. GPER-1 score of > 3 was determined as positive. Expression data were correlated with clinical and pathological characteristics and patient survival. RESULTS GPER-1 expression was observed in 352 (80.9%) cases, and positively correlated with estrogen and progesterone receptor status (p = 0.0001). GPER-1 positivity was associated with an increased grade of differentiation (p = 0.0001) and with a low level of Ki-67 expression (p = 0.0001). High GPER-1 expression was associated with a decreased level upon systemic treatment (p = 0.011). In the whole cohort, GPER-1 expression was associated with prolonged disease-free survival (DFS). DFS between tamoxifen- and aromatase inhibitor-treated GPER-1-positive patients was similar (p = 0.090). Notably, after matching the analysis for the most important prognostic factors, DFS for tamoxifen-treated GPER-1-positive patients was 69.1%, which is a percentage that is significantly lower compared to DFS for GPER-1-positive patients treated with aromatase inhibitors (92.7%) (p = 0.005). CONCLUSION GPER-1 expression is a favorable prognostic factor in breast cancer patients. Its predictive role for poor benefit form tamoxifen treatment should be investigated in further studies.
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Affiliation(s)
- Tanja Ignatov
- Reproductive Center, KITZ, Regensburg, Germany
- Department of Gynecology and Obstetrics, University Medical Center, Regensburg, Landshuter Str. 65, 93053, Regensburg, Germany
| | - Maria Claus
- Department of Obstetrics and Gynecology, Otto-von-Guericke University, Magdeburg, Germany
| | - Norbert Nass
- Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany
| | - Johannes Haybaeck
- Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany
- Institute of Pathology, Medical University of Graz, Graz, Austria
| | | | - Thomas Kalinski
- Department of Pathology, Otto-von-Guericke University, Magdeburg, Germany
- Pathology Hamburg, Hamburg, Germany
| | - Olaf Ortmann
- Department of Gynecology and Obstetrics, University Medical Center, Regensburg, Landshuter Str. 65, 93053, Regensburg, Germany
| | - Atanas Ignatov
- Department of Gynecology and Obstetrics, University Medical Center, Regensburg, Landshuter Str. 65, 93053, Regensburg, Germany.
- Department of Obstetrics and Gynecology, Otto-von-Guericke University, Magdeburg, Germany.
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A cancer registry-based analysis on the non-white populations reveals a critical role of the female sex in early-onset melanoma. Cancer Causes Control 2018. [PMID: 29524010 DOI: 10.1007/s10552-018-1022-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
PURPOSE Most melanoma studies have been performed in the white population who exhibits the highest incidence rate due to their skin sensitivity to UV radiation. Previous publications have shown that young women (approximately under the menopausal age) exhibit higher incidence rates than men of the same age, and the causes are mostly attributed to their sun behavior or indoor tanning. In our recent publications, we suggested that higher risk in younger women was due to pathophysiological factors, such as hormonal impact, and thus this higher risk in young women should be shared across ethnicities regardless of their skin color or UV behavior. METHODS A total of 13,208 non-white melanoma patients from SEER and 15,226 from WHO CI5-Plus were extracted for analysis. Age-specific incidence rates, female-to-male incidence rate ratios, and p values were calculated. RESULTS As observed in the white population, younger women and older men showed higher melanoma incidence rates than their peers of the other gender in all ethnic groups. The highest female-to-male incidence rate ratios were observed in the pubescent and reproductive ages. Previously this gender discrepancy in the white population was attributed to the preference of skin tanning in young females. There is no evidence to show that darker-skinned young females adopt a similar tanning preference. Thus the age-dependent gender difference in the risk of melanoma is shared across ethnic groups and is perhaps independent of UV behavior. CONCLUSIONS Our results highlight the importance of gender as one of the melanoma risk factors beyond traditional UV radiation, which warrants further investigation and may provide a base for an improved prevention strategy.
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Natale CA, Li J, Zhang J, Dahal A, Dentchev T, Stanger BZ, Ridky TW. Activation of G protein-coupled estrogen receptor signaling inhibits melanoma and improves response to immune checkpoint blockade. eLife 2018; 7. [PMID: 29336307 PMCID: PMC5770157 DOI: 10.7554/elife.31770] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 12/05/2017] [Indexed: 12/30/2022] Open
Abstract
Female sex and history of prior pregnancies are associated with favorable melanoma outcomes. Here, we show that much of the melanoma protective effect likely results from estrogen signaling through the G protein-coupled estrogen receptor (GPER) on melanocytes. Selective GPER activation in primary melanocytes and melanoma cells induced long-term changes that maintained a more differentiated cell state as defined by increased expression of well-established melanocyte differentiation antigens, increased pigment production, decreased proliferative capacity, and decreased expression of the oncodriver and stem cell marker c-Myc. GPER signaling also rendered melanoma cells more vulnerable to immunotherapy. Systemically delivered GPER agonist was well tolerated, and cooperated with immune checkpoint blockade in melanoma-bearing mice to dramatically extend survival, with up to half of mice clearing their tumor. Complete responses were associated with immune memory that protected against tumor rechallenge. GPER may be a useful, pharmacologically accessible target for melanoma.
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Affiliation(s)
- Christopher A Natale
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, United States
| | - Jinyang Li
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Junqian Zhang
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, United States
| | - Ankit Dahal
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, United States
| | - Tzvete Dentchev
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, United States
| | - Ben Z Stanger
- Abramson Family Cancer Research Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, United States
| | - Todd W Ridky
- Perelman School of Medicine, Department of Dermatology, University of Pennsylvania, Philadelphia, United States
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