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Marie C, Pierre A, Mayeur A, Giton F, Corre R, Grynberg M, Cohen-Tannoudji J, Guigon CJ, Chauvin S. Dysfunction of Human Estrogen Signaling as a Novel Molecular Signature of Polycystic Ovary Syndrome. Int J Mol Sci 2023; 24:16689. [PMID: 38069013 PMCID: PMC10706349 DOI: 10.3390/ijms242316689] [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: 10/17/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 12/18/2023] Open
Abstract
Estradiol (E2) is a major hormone-controlling folliculogenesis whose dysfunction may participate in polycystic ovary syndrome (PCOS) infertility. To determine whether both the concentration and action of E2 could be impaired in non-hyperandrogenic overweight PCOS women, we isolated granulosa cells (GCs) and follicular fluid (FF) from follicles of women undergoing ovarian stimulation (27 with PCOS, and 54 without PCOS). An analysis of the transcript abundance of 16 genes in GCs showed that androgen and progesterone receptor expressions were significantly increased in GCs of PCOS (by 2.7-fold and 1.5-fold, respectively), while those of the steroidogenic enzymes CYP11A1 and HSD3B2 were down-regulated (by 56% and 38%, respectively). Remarkably, treatment of GC cultures with E2 revealed its ineffectiveness in regulating the expression of several key endocrine genes (e.g., GREB1 or BCL2) in PCOS. Additionally, a comparison of the steroid concentrations (measured by GC/MS) in GCs with those in FF of matched follicles demonstrated that the significant decline in the E2 concentration (by 23%) in PCOS FF was not the result of the E2 biosynthesis reduction. Overall, our study provides novel hallmarks of PCOS by highlighting the ineffective E2 signaling in GCs as well as the dysregulation in the expression of genes involved in follicular growth, which may contribute to aberrant folliculogenesis in non-hyperandrogenic women with PCOS.
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Affiliation(s)
- Clémentine Marie
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
| | - Alice Pierre
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
| | - Anne Mayeur
- Service de Médecine de la Reproduction et Préservation de la Fertilité, Hôpital Antoine Béclère, 92140 Clamart, France;
| | - Frank Giton
- AP-HP, Pôle Biologie-Pathologie Henri Mondor, Inserm IMRB U955, 94010 Créteil, France;
| | - Raphael Corre
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
| | - Michaël Grynberg
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
- Service de Médecine de la Reproduction et Préservation de la Fertilité, Hôpital Antoine Béclère, 92140 Clamart, France;
| | - Joëlle Cohen-Tannoudji
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
| | - Céline J. Guigon
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
| | - Stéphanie Chauvin
- Université Paris Cité, CNRS, Inserm, Unité de Biologie Fonctionnelle et Adaptative, 75013 Paris, France; (C.M.); (A.P.); (R.C.); (M.G.); (J.C.-T.); (C.J.G.)
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2
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An In Vivo Screening Model for Investigation of Pathophysiology of Human Implantation Failure. Biomolecules 2022; 13:biom13010079. [PMID: 36671464 PMCID: PMC9856033 DOI: 10.3390/biom13010079] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 12/14/2022] [Accepted: 12/28/2022] [Indexed: 01/03/2023] Open
Abstract
To improve current infertility treatments, it is important to understand the pathophysiology of implantation failure. However, many molecules are involved in the normal biological process of implantation and the roles of each molecule and the molecular mechanism are not fully understood. This review highlights the hemagglutinating virus of Japan (HVJ; Sendai virus) envelope (HVJ-E) vector, which uses inactivated viral particles as a local and transient gene transfer system to the murine uterus during the implantation period in order to investigate the molecular mechanism of implantation. In vivo screening in mice using the HVJ-E vector system suggests that signal transducer and activator of transcription-3 (Stat-3) could be a diagnostic and therapeutic target for women with a history of implantation failure. The HVJ-E vector system hardly induces complete defects in genes; however, it not only suppresses but also transiently overexpresses some genes in the murine uterus. These features may be useful in investigating the pathophysiology of implantation failure in women.
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3
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Devanaboyina M, Kaur J, Whiteley E, Lin L, Einloth K, Morand S, Stanbery L, Hamouda D, Nemunaitis J. NF-κB Signaling in Tumor Pathways Focusing on Breast and Ovarian Cancer. Oncol Rev 2022; 16:10568. [PMID: 36531159 PMCID: PMC9756851 DOI: 10.3389/or.2022.10568] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/02/2022] [Indexed: 08/30/2023] Open
Abstract
Immune disorders and cancer share a common pathway involving NF-κb signaling. Through involvement with GM-CSF, NF-κB can contribute to proliferation and activation of T- and B- cells as well as immune cell migration to sites of inflammation. In breast cancer, this signaling pathway has been linked to resistance with endocrine and chemotherapies. Similarly, in ovarian cancer, NF-κB influences angiogenesis and inflammation pathways. Further, BRCA1 signaling common to both breast and ovarian cancer also has the capability to induce NF-κB activity. Immunotherapy involving NF-κB can also be implemented to combat chemoresistance. The complex signaling pathways of NF-κB can be harnessed for developing cancer therapeutics to promote immunotherapy for improving patient outcomes.
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Affiliation(s)
- Monika Devanaboyina
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Jasskiran Kaur
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Emma Whiteley
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Leslie Lin
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Katelyn Einloth
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | - Susan Morand
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
| | | | - Danae Hamouda
- Department of Medicine, University of Toledo College of Medicine and Life Sciences, Toledo, OH, United States
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Liu M, Hummitzsch K, Bastian NA, Hartanti MD, Wan Q, Irving-Rodgers HF, Anderson RA, Rodgers RJ. Isolation, culture, and characterisation of bovine ovarian fetal fibroblasts and gonadal ridge epithelial-like cells and comparison to their adult counterparts. PLoS One 2022; 17:e0268467. [PMID: 35802560 PMCID: PMC9269465 DOI: 10.1371/journal.pone.0268467] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 05/01/2022] [Indexed: 11/18/2022] Open
Abstract
During ovarian development, gonadal ridge epithelial-like (GREL) cells arise from the epithelial cells of the ventral surface of the mesonephros. They ultimately develop into follicular granulosa cells or into ovarian surface epithelial cells. Stromal fibroblasts arise from the mesonephros and penetrate the ovary. We developed methods for isolating and culturing fetal ovarian GREL cells and ovarian fibroblasts by expansion of colonies without passage. In culture, these two cell types were morphologically different. We examined the expression profile of 34 genes by qRT-PCR, of which 24 genes had previously been studied in whole fetal ovaries. Expression of nine of the 10 newly-examined genes in fetal ovaries correlated with gestational age (MUC1, PKP2, CCNE1 and CCNE2 negatively; STAR, COL4A1, GJA1, LAMB2 and HSD17B1 positively). Comparison between GREL cells and fetal fibroblasts revealed higher expression of KRT19, PKP2, OCLN, MUC1, ESR1 and LGR5 and lower expression of GJA1, FOXL2, NR2F2, FBN1, COL1A1, NR5A1, CCND2, CCNE1 and ALDH1A1. Expression of CCND2, CCNE1, CCNE2, ESR2 and TGFBR1 was higher in the fetal fibroblasts than in adult fibroblasts; FBN1 was lower. Expression of OCLN, MUC1, LAMB2, NR5A1, ESR1, ESR2, and TGFBR3 was lower in GREL cells than ovarian surface epithelial cells. Expression of KRT19, DSG2, PKP2, OCLN, MUC1, FBN1, COL1A1, COL3A1, STAR and TGFBR2 was higher and GJA1, CTNNB1, LAMB2, NR5A1, CYP11A1, HSD3B1, CYP19A1, HSD17B1, FOXL2, ESR1, ESR2, TGFBR3 and CCND2 was lower in GREL cells compared to granulosa cells. TGFβ1 altered the expression of COL1A1, COL3A1 and FBN1 in fetal fibroblasts and epidermal growth factor altered the expression of FBN1 and COL1A1. In summary, the two major somatic cell types of the developing ovary have distinct gene expression profiles. They, especially GREL cells, also differ from the cells they ultimately differentiate in to. The regulation of cell fate determination, particularly of the bi-potential GREL cells, remains to be elucidated.
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Affiliation(s)
- Menghe Liu
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Katja Hummitzsch
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Nicole A. Bastian
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Monica D. Hartanti
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
- Faculty of Medicine, Universitas Trisakti, Jakarta, Indonesia
| | - Qianhui Wan
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
| | - Helen F. Irving-Rodgers
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
- School of Medical Science, Griffith University, Gold Coast Campus, QLD, Australia
| | - Richard A. Anderson
- MRC Centre for Reproductive Health, Queen’s Medical Research Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Raymond J. Rodgers
- School of Biomedicine, Robinson Research Institute, The University of Adelaide, Adelaide, SA, Australia
- * E-mail:
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Chauvin S, Cohen-Tannoudji J, Guigon CJ. Estradiol Signaling at the Heart of Folliculogenesis: Its Potential Deregulation in Human Ovarian Pathologies. Int J Mol Sci 2022; 23:ijms23010512. [PMID: 35008938 PMCID: PMC8745567 DOI: 10.3390/ijms23010512] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 01/26/2023] Open
Abstract
Estradiol (E2) is a major hormone controlling women fertility, in particular folliculogenesis. This steroid, which is locally produced by granulosa cells (GC) within ovarian follicles, controls the development and selection of dominant preovulatory follicles. E2 effects rely on a complex set of nuclear and extra-nuclear signal transduction pathways principally triggered by its nuclear receptors, ERα and ERβ. These transcription factors are differentially expressed within follicles, with ERβ being the predominant ER in GC. Several ERβ splice isoforms have been identified and display specific structural features, which greatly complicates the nature of ERβ-mediated E2 signaling. This review aims at providing a concise overview of the main actions of E2 during follicular growth, maturation, and selection in human. It also describes the current understanding of the various roles of ERβ splice isoforms, especially their influence on cell fate. We finally discuss how E2 signaling deregulation could participate in two ovarian pathogeneses characterized by either a follicular arrest, as in polycystic ovary syndrome, or an excess of GC survival and proliferation, leading to granulosa cell tumors. This review emphasizes the need for further research to better understand the molecular basis of E2 signaling throughout folliculogenesis and to improve the efficiency of ovarian-related disease therapies.
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Cluzet V, Devillers MM, Petit F, Pierre A, Giton F, Airaud E, L'Hôte D, Leary A, Genestie C, Treilleux I, Mayeur A, Katzenellenbogen JA, Kim SH, Cohen-Tannoudji J, Chauvin S, Guigon CJ. Estradiol promotes cell survival and induces Greb1 expression in granulosa cell tumors of the ovary through an ERα-dependent mechanism. J Pathol 2021; 256:335-348. [PMID: 34860414 DOI: 10.1002/path.5843] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 11/10/2021] [Accepted: 11/30/2021] [Indexed: 12/12/2022]
Abstract
Granulosa cell tumor (GCT) is a form of ovarian tumor characterized by its tendency to recur years after surgical ablation. Little is known on the mechanisms involved in GCT development and progression. GCTs can produce estradiol (E2), but whether this hormone could play a role in this cancer through its nuclear receptors, i.e., ERα and ERβ, remains unknown. Here, we addressed this issue by cell-based and molecular studies on human GCTs and GCT cell lines. Importantly, we observed that E2 significantly increased the growth of GCT cells by promoting cell survival. The use of selective agonists of each type of receptor, together with Esr1 (ERα) or Esr2 (ERβ)-deleted GCT cells revealed that E2 mediated its effects through ERα-dependent genomic mechanisms and ERβ/ERα-dependent extra-nuclear mechanisms. Notably, the expression of Greb1, a prototypical ER target gene, was dose-dependently up-regulated by E2 specifically through ERα in GCT cells. Accordingly, using GCTs from patients, we found that GREB1 mRNA abundance was positively correlated to intra-tumoral E2 concentrations. Tissue microarrays analyses showed that there were various combinations of ER expression in primary and recurrent GCTs, and that ERα expression persisted only in combination with ERβ in ~40% of recurrent tumors. Altogether, this study demonstrates that E2 can promote the progression of GCTs, with a clear dependence on ERα. In addition to demonstrating that GCTs can be classified as a hormone-related cancer, our results also highlight that the nature of ER forms present in recurrent GCTs could underlie the variable efficiency of endocrine therapies. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Victoria Cluzet
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Marie M Devillers
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Florence Petit
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Alice Pierre
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Frank Giton
- AP-HP, Pôle biologie-Pathologie Henri Mondor, INSERM IMRB U955, Créteil, France
| | - Eloïse Airaud
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - David L'Hôte
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Alexandra Leary
- Gustave Roussy Cancer Campus and University of Paris-Saclay, Villejuif, France
| | - Catherine Genestie
- Department of Pathology, University Paris-Saclay, Gustave Roussy Cancer Center, Villejuif, France
| | | | - Anne Mayeur
- Service de Médecine de la Reproduction et Préservation de la Fertilité, Hôpital Antoine Béclère, Clamart, France
| | - John A Katzenellenbogen
- Department of Chemistry and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | - Sung Hoon Kim
- Department of Chemistry and Cancer Center at Illinois, University of Illinois at Urbana-Champaign, Champaign, IL, USA
| | | | - Stéphanie Chauvin
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
| | - Céline J Guigon
- Université de Paris, BFA, UMR 8251, CNRS, ERL U1133, Inserm, F-75013, Paris, France
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7
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Astapova O, Seger C, Hammes SR. Ligand Binding Prolongs Androgen Receptor Protein Half-Life by Reducing its Degradation. J Endocr Soc 2021; 5:bvab035. [PMID: 33869982 PMCID: PMC8043068 DOI: 10.1210/jendso/bvab035] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Indexed: 11/30/2022] Open
Abstract
Androgens are important in female reproduction, but the molecular actions of androgens in female reproductive tissues are not fully understood. We investigated the androgen-responsive transcriptome in human and mouse granulosa cells (GCs) and surprisingly found that the gene-regulation activity of androgen receptor (AR) in these cells is negligible. We then investigated extranuclear actions of AR and found that in human and mouse GCs, as well as in prostate cancer cells, dihydrotestosterone (DHT) dramatically increases the half-life of its own receptor protein. Using the human granulosa-like KGN cells, we show that this effect is not the result of increased AR gene transcription or protein synthesis, nor is it fully abrogated by proteasome inhibition. Knockdown of PTEN, which contributes to degradation of cytoplasmic AR, did not diminish AR accumulation in the presence of DHT. Using immunofluorescence cellular localization studies, we show that nuclear AR is selectively protected from degradation in the presence of DHT. Knockdown of importin 7 expression, a potential regulator of AR nuclear import, does not affect DHT-mediated nuclear accumulation of AR, suggesting importin 7-independent nuclear import of AR in GCs. Further, DNA binding is not required for this protective mechanism. In summary, we show that ligand binding sequesters AR in the nucleus through enhanced nuclear localization independent of DNA binding, thereby protecting it from proteasome degradation in the cytoplasm. This phenomenon distinguishes AR from other sex steroid receptors and may have physiological significance through a positive feedback loop in which androgen induces its own activity in male and female reproductive tissues.
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Affiliation(s)
- Olga Astapova
- Division of Endocrinology and Metabolism, Department of Medicine, University of Rochester Medical Center, Rochester, New York 14642, USA
| | - Christina Seger
- Division of Endocrinology and Metabolism, Department of Medicine, University of Rochester Medical Center, Rochester, New York 14642, USA
| | - Stephen R Hammes
- Division of Endocrinology and Metabolism, Department of Medicine, University of Rochester Medical Center, Rochester, New York 14642, USA
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Liao HQ, Zhou J, Cao Y, Nie YL, Li MQ, Zhou J. Vigilin interacts with ER-β to protect against palmitic acid-induced granulosa cells apoptosis via inhibiting calcineurin-mediated Drp1 signaling pathway. Steroids 2020; 163:108699. [PMID: 32687845 DOI: 10.1016/j.steroids.2020.108699] [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: 03/13/2020] [Revised: 06/12/2020] [Accepted: 07/11/2020] [Indexed: 11/28/2022]
Abstract
BACKGROUND Hypercholesterolemia is one of the causes of female infertility, and as a common fatty acid in follicular fluid, palmitic acid (PA) level plays a vital role in granule cell which is closely related to the developmental potential of follicle. METHODS The ovarian granulosa cell-like human granulosa (KGN) cell line and the immortalized normal ovarian surface epithelial cell line (IOSE80) were used to verify the effect of PA on cell viability and apoptosis by MTT and flow cytometry assay, respectively. Then mitochondria damage was confirmed by mitochondrial membrane potential, mitochondrial ROS detection assay and western blot in KGN cells. Thorough luciferase reporter assay and RIP-qPCR, the relationship between vigilin and ER-β was investigated. RESULTS In our study, PA induced mitochondrial damage-mediated cell apoptosis of KGN cells was dose-dependently, while PA shown no effects on in IOSE80 cells. Then the role of calcineurin (CnA)-mediated Drp1 signaling pathway on KGN cells was confirmed by treating with Mdivi-1 or FK506T. In addition, the changed level of vigilin and ER-β was observed in cell apoptosis of KGN cells induced by PA. By transfecting vigilin vector or ER-β vector into KGN cells, respectively, vigilin and ER-β were demonstrated to regulate the apoptosis of KGN cells. And vigilin was a binding protein of ER-β mRNA. CONCLUSION Vigilin could interact with ER-β mRNA to promote ER-β expression. And Vigilin/ ER-β relieve the mitochondrial damage and cell apoptosis induced by PA through regulating CnA-mediated Drp1 signaling pathway, which revealed the mechanism and strategy of hypercholesterolemia in female infertility.
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Affiliation(s)
- Hong-Qing Liao
- The Second Affiliated Hospital of South China University, Hengyang 421001, PR China; Hengyang Nanhua-Xinghui Reproductive Health Hospital, Hengyang 421001, PR China
| | - Jun Zhou
- The Second Affiliated Hospital of South China University, Hengyang 421001, PR China; Hengyang Nanhua-Xinghui Reproductive Health Hospital, Hengyang 421001, PR China
| | - Yang Cao
- Hunan University of Technology and Business, Changsha 410205, PR China
| | - Yu-Lin Nie
- Hengyang Nanhua-Xinghui Reproductive Health Hospital, Hengyang 421001, PR China
| | - Mei-Qing Li
- The Second Affiliated Hospital of South China University, Hengyang 421001, PR China; Hengyang Nanhua-Xinghui Reproductive Health Hospital, Hengyang 421001, PR China
| | - Jing Zhou
- The Second Affiliated Hospital of South China University, Hengyang 421001, PR China; Hengyang Nanhua-Xinghui Reproductive Health Hospital, Hengyang 421001, PR China.
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9
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Lee SY, Kang YJ, Kwon J, Nishi Y, Yanase T, Lee KA, Koong MK. miR-4463 regulates aromatase expression and activity for 17β-estradiol synthesis in response to follicle-stimulating hormone. Clin Exp Reprod Med 2020; 47:194-206. [PMID: 32854459 PMCID: PMC7482943 DOI: 10.5653/cerm.2019.03412] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 03/23/2020] [Indexed: 01/22/2023] Open
Abstract
Objective The aim of this study was to investigate microRNAs (miRNAs) related to follicle-stimulating hormone (FSH) responsiveness using miRNA microarrays and to identify their target genes to determine the molecular regulatory pathways involved in FSH signaling in KGN cells. Methods To change the cellular responsiveness to FSH, KGN cells were treated with FSH receptor (FSHR)-specific small interfering RNA (siRNA) followed by FSH. miRNA expression profiles were determined through miRNA microarray analysis. Potential target genes of selected miRNAs were predicted using bioinformatics tools, and their regulatory function was confirmed in KGN cells. Results We found that six miRNAs (miR-1261, miR-130a-3p, miR-329-3p, miR-185-5p, miR-144-5p and miR-4463) were differentially expressed after FSHR siRNA treatment in KGN cells. Through a bioinformatics analysis, we showed that these miRNAs were predicted to regulate a large number of genes, which we narrowed down to cytochrome P450 family 19 subfamily A member 1 (CYP19A1) and estrogen receptor alpha (ESR1) as the main targets for miR-4463. Functional analysis revealed that miR-4463 is a regulatory factor for aromatase expression and function in KGN cells. Conclusion In this study, we identified differentially expressed miRNAs related to FSH responsiveness. In particular, upregulation of miR-4463 expression by FSHR deficiency in human granulosa cells impaired 17β-estradiol synthesis by targeting CYP19A1 and ESR1. Therefore, our data might provide novel candidates for molecular biomarkers for use in research into poor responders.
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Affiliation(s)
- Su-Yeon Lee
- Department of Biomedical Science, College of Life Science, Institute of Reproductive Medicine, CHA University, Seongnam, Korea
| | - Youn-Jung Kang
- Department of Biomedical Science, College of Life Science, Institute of Reproductive Medicine, CHA University, Seongnam, Korea
| | - Jinie Kwon
- Department of Biomedical Science, College of Life Science, Institute of Reproductive Medicine, CHA University, Seongnam, Korea
| | - Yoshihiro Nishi
- Department of Physiology, Kurume University School of Medicine, Kurume, Japan
| | - Toshihiko Yanase
- Department of Endocrinology and Diabetes Mellitus, School of Medicine, Fukuoka University, Fukuoka, Japan
| | - Kyung-Ah Lee
- Department of Biomedical Science, College of Life Science, Institute of Reproductive Medicine, CHA University, Seongnam, Korea
| | - Mi Kyoung Koong
- Department of Obstetrics and Gynecology, CHA University, Fertility Center, CHA General Hospital, Seoul, Korea
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10
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Control of Murine Primordial Follicle Growth Activation by IκB/NFκB Signaling. Reprod Sci 2020; 27:2063-2074. [PMID: 32542534 DOI: 10.1007/s43032-020-00225-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/25/2020] [Indexed: 02/06/2023]
Abstract
The transcription factor NFκB has been associated with the timing of menopause in a large human genome-wide association study. Furthermore, preclinical studies demonstrate that loss of Tumor necrosis factor alpha (Tnfα) or its receptor Tnfr2 slows primordial follicle growth activation (PFGA). Although Tnfα:receptor signaling stimulates NFκB and may mechanistically link these findings, very little is known about NFκB signaling in PFGA. Because signaling downstream of Tnfα/Tnfr2 ligand/receptor interaction has not been interrogated as relates to PFGA, we evaluated the expression of key NFκB signaling proteins in primordial and growing follicles, as well as during ovarian aging. We show that key members of the NFκB pathway, including subunits, activating kinases, and inhibitory proteins, are expressed in the murine ovary. Furthermore, the subunits p65 and p50, and the cytosolic inhibitory proteins IκBα and IκBβ, are present in ovarian follicles, including at the primordial stage. Finally, we assessed PFGA in genetically modified mice (AKBI) previously demonstrated to be resistant to inflammatory stress-induced NFκB activation due to overexpression of the NFκB inhibitory protein IκBβ. Consistent with the hypothesis that NFκB plays a key role in PFGA, AKBI mice exhibit slower PGFA than wild-type (WT) controls, and their ovaries contain nearly twice the number of primordial follicles as WT both at early and late reproductive ages. These data provide mechanistic insight on the control of PFGA and suggest that targeting NFκB at the level of IκB proteins may be a tractable route to slowing the rate of PFGA in women faced with early ovarian demise.
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11
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Haltia UM, Pihlajoki M, Andersson N, Mäkinen L, Tapper J, Cervera A, Horlings HM, Turpeinen U, Anttonen M, Bützow R, Unkila-Kallio L, Carpén O, Wilson DB, Heikinheimo M, Färkkilä A. Functional Profiling of FSH and Estradiol in Ovarian Granulosa Cell Tumors. J Endocr Soc 2020; 4:bvaa034. [PMID: 32309755 PMCID: PMC7153750 DOI: 10.1210/jendso/bvaa034] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 03/11/2020] [Indexed: 12/18/2022] Open
Abstract
Adult-type granulosa cell tumors (AGCTs) are sex-cord derived neoplasms with a propensity for late relapse. Hormonal modulators have been used empirically in the treatment of recurrent AGCT, albeit with limited success. To provide a more rigorous foundation for hormonal therapy in AGCT, we used a multimodal approach to characterize the expressions of key hormone biomarkers in 175 tumor specimens and 51 serum samples using RNA sequencing, immunohistochemistry, RNA in situ hybridization, quantitative PCR, and circulating biomarker analysis, and correlated these results with clinical data. We show that FSH receptor and estrogen receptor beta (ERβ) are highly expressed in the majority of AGCTs, whereas the expressions of estrogen receptor alpha (ERα) and G-protein coupled estrogen receptor 1 are less prominent. ERβ protein expression is further increased in recurrent tumors. Aromatase expression levels show high variability between tumors. None of the markers examined served as prognostic biomarkers for progression-free or overall survival. In functional experiments, we assessed the effects of FSH, estradiol (E2), and the aromatase inhibitor letrozole on AGCT cell viability using 2 in vitro models: KGN cells and primary cultures of AGCT cells. FSH increased cell viability in a subset of primary AGCT cells, whereas E2 had no effect on cell viability at physiological concentrations. Letrozole suppressed E2 production in AGCTs; however, it did not impact cell viability. We did not find preclinical evidence to support the clinical use of aromatase inhibitors in AGCT treatment, and thus randomized, prospective clinical studies are needed to clarify the role of hormonal treatments in AGCTs.
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Affiliation(s)
- Ulla-Maija Haltia
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Children's Hospital and Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Marjut Pihlajoki
- Children's Hospital and Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Noora Andersson
- Children's Hospital and Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Lotta Mäkinen
- Children's Hospital and Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Johanna Tapper
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Alejandra Cervera
- Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Hugo M Horlings
- Department of Pathology, the Netherlands Cancer Institute, BE Amsterdam, the Netherlands
| | | | | | - Ralf Bützow
- Pathology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Leila Unkila-Kallio
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Olli Carpén
- Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Pathology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - David B Wilson
- Department of Pediatrics, Washington University School of Medicine, Saint Louis, Missouri 63110.,Department of Developmental Biology, Washington University School of Medicine, Saint Louis, Missouri 63110
| | - Markku Heikinheimo
- Children's Hospital and Pediatric Research Center, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Department of Pediatrics, Washington University School of Medicine, Saint Louis, Missouri 63110
| | - Anniina Färkkilä
- Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Research Program in Systems Oncology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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12
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Bernabé BP, Woodruff T, Broadbelt LJ, Shea LD. Ligands, Receptors, and Transcription Factors that Mediate Inter-Cellular and Intra-Cellular Communication during Ovarian Follicle Development. Reprod Sci 2020; 27:690-703. [PMID: 31939199 DOI: 10.1007/s43032-019-00075-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 08/08/2019] [Indexed: 01/08/2023]
Abstract
Reliably producing a competent oocyte entails a deeper comprehension of ovarian follicle maturation, a very complex process that includes meiotic maturation of the female gamete, the oocyte, together with the mitotic divisions of the hormone-producing somatic cells. In this report, we investigate murine ovarian folliculogenesis in vivo using publicly available time-series microarrays from primordial to antral stage follicles. Manually curated protein interaction networks were employed to identify autocrine and paracrine signaling between the oocyte and the somatic cells (granulosa and theca cells) at multiple stages of follicle development. We established plausible protein-binding interactions between expressed genes that encode secreted factors and expressed genes that encode cellular receptors. Some computationally identified signaling interactions are well established, such as the paracrine signaling from the oocyte to the somatic cells through the oocyte-secreted growth factor Gdf9, while others are novel connections in term of ovarian folliculogenesis, such as the possible paracrine connection from somatic-secreted factor Ntn3 to the oocyte receptor Neo1. Additionally, we identified several of the likely transcription factors that might control the dynamic transcriptome during ovarian follicle development, noting that the YAP/TAZ signaling pathway is very active in vivo. This novel dynamic model of signaling and regulation can be employed to generate testable hypotheses regarding follicle development that could be validated experimentally, guiding the improvement of culture media to enhance in vitro ovarian follicle maturation and possibly novel therapeutic targets for reproductive diseases.
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Affiliation(s)
- Beatriz Peñalver Bernabé
- Department of Pediatrics, University of California San Diego School of Medicine, La Jolla, CA, 92093, USA
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Teresa Woodruff
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Linda J Broadbelt
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA
| | - Lonnie D Shea
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, MI, 48109, USA.
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA.
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13
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Leung DTH, Rainczuk A, Nguyen T, Stephens A, Silke J, Fuller PJ, Chu S. Targeting XIAP and PPARγ in Granulosa Cell Tumors Alters Metabolic Signaling. J Proteome Res 2019; 18:1691-1702. [DOI: 10.1021/acs.jproteome.8b00917] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Dilys T. H. Leung
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
| | - Adam Rainczuk
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
| | - Trang Nguyen
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
| | - Andrew Stephens
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
| | - John Silke
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria 3052, Australia
| | - Peter J. Fuller
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
| | - Simon Chu
- Department of Molecular and Translational Science, Hudson Institute of Medical Research and the Monash University, Clayton, Victoria 3168, Australia
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14
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Gogola J, Hoffmann M, Ptak A. Persistent endocrine-disrupting chemicals found in human follicular fluid stimulate the proliferation of granulosa tumor spheroids via GPR30 and IGF1R but not via the classic estrogen receptors. CHEMOSPHERE 2019; 217:100-110. [PMID: 30414542 DOI: 10.1016/j.chemosphere.2018.11.018] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 10/30/2018] [Accepted: 11/02/2018] [Indexed: 06/08/2023]
Abstract
Epidemiological studies have found that women have detectable levels of organic pollutants such as hexachlorobenzene (HCB), 2,2-dichlorodiphenyldichloroethylene (p,p'-DDE), polychlorinated biphenyl 153 (PCB153), perfluorooctanoate (PFOA), and perfluorooctane sulfonate (PFOS) in their follicular fluid. Thus, these compounds may directly affect the function of granulosa cells within the ovary and may promote granulosa cell tumor (GCT) progression. Two human GCT cell lines, COV434 and KGN, have been used as in vitro model systems to represent juvenile (JGCT) and adult (AGCT) GCT subtypes, respectively. In this study, we found that basal expression of estrogen receptor 1 (ESR1), estrogen receptor 2 (ESR2), and insulin-like growth factor 1 receptor (IGF1R) was higher in the AGCT subtype than in the JGCT subtype. All of the compounds acted as mitogenic factors at low nanomolar concentrations in the JGCT and AGCT forms of GCT. Interestingly, PFOA, PFOS, and HCB stimulated cell proliferation through IGF1R, whereas p,p'-DDE acted through GPR30. Moreover, a mixture of the five compounds also significantly stimulated granulosa cell proliferation; however, the observed effect was lower than predicted. Interestingly, the proliferative effect of a mixture of these compounds was dependent on IGF1R and GPR30 but independent of the classic estrogen receptors. Taken together, our results demonstrate for the first time that mixtures of persistent organic pollutants present in follicular fluids may induce granulosa tumor progression through IGF1R and GPR30 by acting as mitogenic factors in granulosa cells.
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Affiliation(s)
- Justyna Gogola
- Department of Physiology and Toxicology of Reproduction, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland
| | - Marta Hoffmann
- Department of Physiology and Toxicology of Reproduction, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland
| | - Anna Ptak
- Department of Physiology and Toxicology of Reproduction, Institute of Zoology and Biomedical Research, Jagiellonian University, Gronostajowa 9, 30-387 Krakow, Poland.
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15
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Leung DTH, Nguyen T, Oliver EM, Matti J, Alexiadis M, Silke J, Jobling TW, Fuller PJ, Chu S. Combined PPARγ Activation and XIAP Inhibition as a Potential Therapeutic Strategy for Ovarian Granulosa Cell Tumors. Mol Cancer Ther 2018; 18:364-375. [PMID: 30530769 DOI: 10.1158/1535-7163.mct-18-0078] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Revised: 06/25/2018] [Accepted: 12/04/2018] [Indexed: 11/16/2022]
Abstract
Ovarian granulosa cell tumors (GCT) are characterized by indolent growth and late relapse. No therapeutic modalities aside from surgery have proven effective. We previously reported overexpression of the nuclear receptor, peroxisome proliferator-activated receptor-gamma (PPARγ), and constitutive activity of the NFκB and AP1 signaling pathways in GCT. PPARγ presents as a potential therapeutic target as it impedes proliferation and promotes terminal differentiation of granulosa cells. However, resistance to the actions of PPARγ is caused by NFκB transrepression in GCT-derived cell lines, KGN and COV434. We showed that abrogation of NFκB signaling in GCT cells enables PPARγ agonists to initiate apoptosis. In addition, we observed overexpression of an NFκB-induced gene, X-linked inhibitor of apoptosis protein (XIAP), in GCT and GCT-derived cells. XIAP is an attractive therapeutic target due to its role in inhibiting the apoptotic pathway. We investigated the antitumor effects of combined XIAP inhibition using Smac-mimetics and PPARγ activation using thiazolidinediones (TZD) in the GCT-derived cells. Transactivation assays revealed that NFκB transrepression of PPARγ can be relieved by NFκB or XIAP inhibition. Combined Smac-mimetic and TZD significantly induced apoptosis, reduced cell viability and proliferation in KGN cells in monolayer and 3D spheroid culture, and in GCT explant models. The Smac-mimetic and TZD cotreatment also delayed cell invasion, upregulated proapoptotic genes, and compromised cell metabolism in KGN cells. This study provides evidence that PPARγ and XIAP cotreatment has antineoplastic effects in GCT. As therapeutics that target these proteins are already in clinical or preclinical use, expedient translation to the clinic is possible.
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Affiliation(s)
- Dilys T H Leung
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - Trang Nguyen
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - Edwina May Oliver
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - Juliana Matti
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - Maria Alexiadis
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - John Silke
- Walter and Eliza Hall Institute of Medical Research, Parkville, Victoria, Australia
| | - Thomas W Jobling
- Department of Gynecology Oncology, Monash Health, Clayton, Victoria, Australia
| | - Peter J Fuller
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia
| | - Simon Chu
- Hudson Institute of Medical Research and the Monash University Department of Molecular and Translational Science, Clayton, Victoria, Australia.
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16
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Alexiadis M, Rowley SM, Chu S, Leung DT, Stewart CJ, Amarasinghe KC, Campbell IG, Fuller PJ. Mutational Landscape of Ovarian Adult Granulosa Cell Tumors from Whole Exome and Targeted TERT Promoter Sequencing. Mol Cancer Res 2018; 17:177-185. [DOI: 10.1158/1541-7786.mcr-18-0359] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Revised: 06/11/2018] [Accepted: 08/17/2018] [Indexed: 11/16/2022]
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17
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Synergy of Paracrine Signaling During Early-Stage Mouse Ovarian Follicle Development In Vitro. Cell Mol Bioeng 2018; 11:435-450. [PMID: 31719893 DOI: 10.1007/s12195-018-0545-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 07/20/2018] [Indexed: 10/28/2022] Open
Abstract
Introduction Paracrine signals, such as soluble cytokines and extracellular matrix cues, are essential for the survival and development of multicellular ovarian follicles. While it is well established that hydrogel-based culture systems successfully support the growth of late-stage follicles for fertility preservation, growing small, early-stage ovarian follicles still proves to be challenging. We hypothesized that paracrine factors secreted from neighboring follicles may be crucial for improving the survival of early-stage follicles in vitro. Methods To test our hypothesis, we investigated the bi-directional crosstalk of the paracrine signals, such as cell-secreted cytokines, sex hormones and transcription factors (TFs), in follicles encapsulated and cultured for 12 days in alginate in groups of five (5×) and ten (10×). Results The differential profiles of TF activity and secretome during folliculogenesis were analyzed using TRanscriptional Activity CEllular aRray (TRACER) and data-driven multivariate modeling approach. The mechano- and oxygen-responsive TFs, NF-κB and HIF1, exhibited a unique upregulation signature in 10× follicles. Consistently, levels of proangiogenic factors, such as VEGF-A and angiopoietin-2, were significantly higher in 10× follicles than those in 5× follicles, reaching 269.77 and 242.82 pg/mL on the last day of culture. The analysis of TRACER and secreted cytokines also revealed critical early interactions between cytokines and TFs, correlating with the observed phenotypical and functional differences between conditions. Conclusions We identified unique signatures of synergism during successful early-stage ovarian follicle development. These findings bring us closer to understanding of mechanisms underlying the downstream effects of interactions between the extracellular microenvironment and early-stage folliculogenesis in vitro.
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18
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Ciucci A, Ferrandina G, Mascilini F, Filippetti F, Scambia G, Zannoni GF, Gallo D. Estrogen receptor β: Potential target for therapy in adult granulosa cell tumors? Gynecol Oncol 2018; 150:158-165. [DOI: 10.1016/j.ygyno.2018.05.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/07/2018] [Accepted: 05/08/2018] [Indexed: 10/16/2022]
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19
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20
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Färkkilä A, Haltia UM, Tapper J, McConechy MK, Huntsman DG, Heikinheimo M. Pathogenesis and treatment of adult-type granulosa cell tumor of the ovary. Ann Med 2017; 49:435-447. [PMID: 28276867 DOI: 10.1080/07853890.2017.1294760] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Abstract
Adult-type granulosa cell tumor is a clinically and molecularly unique subtype of ovarian cancer. These tumors originate from the sex cord stromal cells of the ovary and represent 3-5% of all ovarian cancers. The majority of adult-type granulosa cell tumors are diagnosed at an early stage with an indolent prognosis. Surgery is the cornerstone for the treatment of both primary and relapsed tumor, while chemotherapy is applied only for advanced or non-resectable cases. Tumor stage is the only factor consistently associated with prognosis. However, every third of the patients relapse, typically in 4-7 years from diagnosis, leading to death in 50% of these patients. Anti-Müllerian Hormone and inhibin B are currently the most accurate circulating biomarkers. Adult-type granulosa cell tumors are molecularly characterized by a pathognomonic somatic missense point mutation 402C->G (C134W) in the transcription factor FOXL2. The FOXL2 402C->G mutation leads to increased proliferation and survival of granulosa cells, and promotes hormonal changes. Histological diagnosis of adult-type granulosa cell tumor is challenging, therefore testing for the FOXL2 mutation is crucial for differential diagnosis. Large international collaborations utilizing molecularly defined cohorts are essential to improve and validate new treatment strategies for patients with high-risk or relapsed adult-type granulosa cell tumor. Key Messages: Adult-type granulosa cell tumor is a unique ovarian cancer with an indolent, albeit unpredictable disease course. Adult-type granulosa cell tumors harbor a pathognomonic somatic missense mutation in transcription factor FOXL2. The key challenges in the treatment of patients with adult-type granulosa cell tumor lie in the identification and management of patients with high-risk or relapsed disease.
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Affiliation(s)
- Anniina Färkkilä
- a Department of Obstetrics and Gynecology , University of Helsinki and Helsinki University Hospital , Helsinki , Finland.,b Children's Hospital , University of Helsinki and Helsinki University Hospital , Helsinki , Finland
| | - Ulla-Maija Haltia
- a Department of Obstetrics and Gynecology , University of Helsinki and Helsinki University Hospital , Helsinki , Finland.,b Children's Hospital , University of Helsinki and Helsinki University Hospital , Helsinki , Finland
| | - Johanna Tapper
- a Department of Obstetrics and Gynecology , University of Helsinki and Helsinki University Hospital , Helsinki , Finland
| | - Melissa K McConechy
- c Department of Human Genetics , Research Institute of the McGill University Health Centre, McGill University , Montreal , Canada
| | - David G Huntsman
- d Department of Pathology and Laboratory Medicine , University of British Columbia , Vancouver , Canada.,e Department of Molecular Oncology , British Columbia Cancer Agency , Vancouver , Canada
| | - Markku Heikinheimo
- b Children's Hospital , University of Helsinki and Helsinki University Hospital , Helsinki , Finland.,f Department of Pediatrics , Washington University School of Medicine, St. Louis Children's Hospital , St. Louis , MO , USA
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21
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Fuller P, Leung D, Chu S. Genetics and genomics of ovarian sex cord-stromal tumors. Clin Genet 2017; 91:285-291. [DOI: 10.1111/cge.12917] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 10/22/2016] [Accepted: 10/24/2016] [Indexed: 12/20/2022]
Affiliation(s)
- P.J. Fuller
- Centre for Endocrinology and Metabolism; Hudson Institute of Medical Research; Clayton Australia
- Department of Molecular and Translational Science; Monash University; Clayton Australia
| | - D. Leung
- Centre for Endocrinology and Metabolism; Hudson Institute of Medical Research; Clayton Australia
- Department of Molecular and Translational Science; Monash University; Clayton Australia
| | - S. Chu
- Centre for Endocrinology and Metabolism; Hudson Institute of Medical Research; Clayton Australia
- Department of Molecular and Translational Science; Monash University; Clayton Australia
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22
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De Marchi T, Timmermans AM, Smid M, Look MP, Stingl C, Opdam M, Linn SC, Sweep FCGJ, Span PN, Kliffen M, van Deurzen CHM, Luider TM, Foekens JA, Martens JW, Umar A. Annexin-A1 and caldesmon are associated with resistance to tamoxifen in estrogen receptor positive recurrent breast cancer. Oncotarget 2016; 7:3098-110. [PMID: 26657294 PMCID: PMC4823093 DOI: 10.18632/oncotarget.6521] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Accepted: 11/16/2015] [Indexed: 12/15/2022] Open
Abstract
Tamoxifen therapy resistance constitutes a major cause of death in patients with recurrent estrogen receptor (ER) positive breast cancer. Through high resolution mass spectrometry (MS), we previously generated a 4-protein predictive signature for tamoxifen therapy outcome in recurrent breast cancer. ANXA1 and CALD1, which were not included in the classifier, were however the most differentially expressed proteins. We first evaluated the clinical relevance of these markers in our MS cohort, followed by immunohistochemical (IHC) staining on an independent set of tumors incorporated in a tissue microarray (TMA) and regression analysis in relation to time to progression (TTP), clinical benefit and objective response. In order to assess which mechanisms ANXA1 and CALD1 might been involved in, we performed Ingenuity pathway analysis (IPA) on ANXA1 and CALD1 correlated proteins in our MS cohort. ANXA1 (Hazard ratio [HR] = 1.83; 95% confidence interval [CI]: 1.22-2.75; P = 0.003) and CALD1 (HR = 1.57; 95% CI: 1.04-2.36; P = 0.039) based patient stratification showed significant association to TTP, while IHC staining on TMA showed that both ANXA1 (HR = 1.82; 95% CI: 1.12-3.00; P = 0.016) and CALD1 (HR = 2.29; 95% CI: 1.40-3.75; P = 0.001) expression was associated with shorter TTP independently of traditional predictive factors. Pearson correlation analysis showed that the majority of proteins correlated to ANXA1 also correlated with CALD1. IPA indicated that ANXA1 and CALD1 were associated with ER-downregulation and NFκB signaling. We hereby report that ANXA1 and CALD1 proteins are independent markers for tamoxifen therapy outcome and are associated to fast tumor progression.
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Affiliation(s)
- Tommaso De Marchi
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Anne M. Timmermans
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Marcel Smid
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Maxime P. Look
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Christoph Stingl
- Department of Neurology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Mark Opdam
- Division of Medical Oncology, Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Sabine C. Linn
- Division of Medical Oncology, Netherlands Cancer Institute – Antoni van Leeuwenhoek Hospital, Amsterdam, The Netherlands
| | - Fred C. G. J. Sweep
- Department of Laboratory Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Paul N. Span
- Department of Radiation Oncology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Mike Kliffen
- Department of Pathology, Maasstad Hospital, Rotterdam, The Netherlands
| | | | - Theo M. Luider
- Department of Neurology, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - John A. Foekens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - John W. Martens
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
- Cancer Genomics Center Netherlands, Amsterdam, The Netherlands
| | - Arzu Umar
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, Rotterdam, The Netherlands
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23
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Gharwan H, Bunch KP, Annunziata CM. The role of reproductive hormones in epithelial ovarian carcinogenesis. Endocr Relat Cancer 2015; 22:R339-63. [PMID: 26373571 DOI: 10.1530/erc-14-0550] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/15/2015] [Indexed: 12/12/2022]
Abstract
Epithelial ovarian cancer comprises ∼85% of all ovarian cancer cases. Despite acceptance regarding the influence of reproductive hormones on ovarian cancer risk and considerable advances in the understanding of epithelial ovarian carcinogenesis on a molecular level, complete understanding of the biologic processes underlying malignant transformation of ovarian surface epithelium is lacking. Various hypotheses have been proposed over the past several decades to explain the etiology of the disease. The role of reproductive hormones in epithelial ovarian carcinogenesis remains a key topic of research. Primary questions in the field of ovarian cancer biology center on its developmental cell of origin, the positive and negative effects of each class of hormones on ovarian cancer initiation and progression, and the role of the immune system in the ovarian cancer microenvironment. The development of the female reproductive tract is dictated by the hormonal milieu during embryogenesis. Intensive research efforts have revealed that ovarian cancer is a heterogenous disease that may develop from multiple extra-ovarian tissues, including both Müllerian (fallopian tubes, endometrium) and non-Müllerian structures (gastrointestinal tissue), contributing to its heterogeneity and distinct histologic subtypes. The mechanism underlying ovarian localization, however, remains unclear. Here, we discuss the role of reproductive hormones in influencing the immune system and tipping the balance against or in favor of developing ovarian cancer. We comment on animal models that are critical for experimentally validating existing hypotheses in key areas of endocrine research and useful for preclinical drug development. Finally, we address emerging therapeutic trends directed against ovarian cancer.
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Affiliation(s)
- Helen Gharwan
- National Cancer InstituteNational Institutes of Health, 10 Center Drive, Building 10, 12N226, Bethesda, Maryland 20892-1906, USAWomen's Malignancies BranchNational Cancer Institute, National Institutes of Health, Center for Cancer Research, Bethesda, Maryland, USADepartment of Gynecologic OncologyWalter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Kristen P Bunch
- National Cancer InstituteNational Institutes of Health, 10 Center Drive, Building 10, 12N226, Bethesda, Maryland 20892-1906, USAWomen's Malignancies BranchNational Cancer Institute, National Institutes of Health, Center for Cancer Research, Bethesda, Maryland, USADepartment of Gynecologic OncologyWalter Reed National Military Medical Center, Bethesda, Maryland, USA National Cancer InstituteNational Institutes of Health, 10 Center Drive, Building 10, 12N226, Bethesda, Maryland 20892-1906, USAWomen's Malignancies BranchNational Cancer Institute, National Institutes of Health, Center for Cancer Research, Bethesda, Maryland, USADepartment of Gynecologic OncologyWalter Reed National Military Medical Center, Bethesda, Maryland, USA
| | - Christina M Annunziata
- National Cancer InstituteNational Institutes of Health, 10 Center Drive, Building 10, 12N226, Bethesda, Maryland 20892-1906, USAWomen's Malignancies BranchNational Cancer Institute, National Institutes of Health, Center for Cancer Research, Bethesda, Maryland, USADepartment of Gynecologic OncologyWalter Reed National Military Medical Center, Bethesda, Maryland, USA
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24
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Tyrosine Kinase Inhibitors as Potential Therapeutic Agents in the Treatment of Granulosa Cell Tumors of the Ovary. Int J Gynecol Cancer 2015; 25:1224-31. [DOI: 10.1097/igc.0000000000000479] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
ObjectiveGranulosa cell tumors of the ovary (GCTs) represent a specific subset of malignant ovarian tumors, of which there are 2 distinct subtypes, the juvenile and the adult form. Aside from surgery, no reliable therapeutic options currently exist for patients with GCT. This study sought to investigate the potential role of small molecule tyrosine kinase inhibitors (TKIs) as novel therapeutics in the clinical management of GCT.Materials and MethodsUsing TKI with distinct but overlapping multitargeted specificities, cellular proliferation, viability, and apoptosis were evaluated in 2 human GCT-derived cell lines, COV434 and KGN.ResultsSunitinib, which targets the imatinib-inhibited tyrosine kinases of VEGFR, KIT, PDGFR, and FLT-3, was without effect in COV434 and KGN cell lines. Sorafenib, which has a high affinity for RAF1 and BRAF, dose dependently inhibited cellular proliferation and viability in both cell lines at concentrations equivalent to that seen in other systems. A RAF1 kinase inhibitor was without effect, suggesting that sorafenib is acting via inhibition of BRAF, or that aberrant signaling originates upstream of BRAF in the MAPK pathway. In the presence of a selective Src family inhibitor (SU6656), cell proliferation and cell viability responses dissociated; that is, although SU6656 dose dependently inhibited cell viability, it had limited effect on proliferation and apoptosis.ConclusionsThese findings implicate BRAF in the activated signaling responsible for the growth and viability of GCT and suggest that TKI already in clinical use may be a therapeutic option in the treatment of GCT.
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Eijo G, Gottardo MF, Jaita G, Magri ML, Moreno Ayala M, Zárate S, Candolfi M, Pisera D, Seilicovich A. Lack of Oestrogenic Inhibition of the Nuclear Factor-κB Pathway in Somatolactotroph Tumour Cells. J Neuroendocrinol 2015; 27:692-701. [PMID: 26052658 DOI: 10.1111/jne.12296] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Revised: 04/29/2015] [Accepted: 06/01/2015] [Indexed: 01/06/2023]
Abstract
Activation of nuclear factor (NF)-κB promotes cell proliferation and inhibits apoptosis. We have previously shown that oestrogens sensitise normal anterior pituitary cells to the apoptotic effect of tumour necrosis factor (TNF)-α by inhibiting NF-κB nuclear translocation. In the present study, we examined whether oestrogens also modulate the NF-κB signalling pathway and apoptosis in GH3 cells, a rat somatolactotroph tumour cell line. As determined by Western blotting, 17β-oestradiol (E2 ) (10(-9) m) increased the nuclear concentration of NF-κB/p105, p65 and p50 in GH3 cells. However, E2 did not modify the expression of Bcl-xL, a NF-κB target gene. TNF-α induced apoptosis of GH3 cells incubated in either the presence or absence of E2 . Inhibition of the NF-kB pathway using BAY 11-7082 (BAY) (5 μm) decreased the viability of GH3 cells and increased the percentage of terminal deoxynucleotidyl transferase dUTP nick end labelling (TUNEL)-positive GH3 cells. BAY also increased TNF-α-induced apoptosis of GH3 cells, an effect that was further increased by an inhibitor of the c-Jun N-terminal protein kinase pathway, SP600125 (10 μm). We also analysed the role of the NF-κB signalling pathway on proliferation and apoptosis of GH3 tumours in vivo. The administration of BAY to nude mice bearing GH3 tumours increased the number of TUNEL-positive cells and decreased the number of proliferating GH3 cells. These findings suggest that GH3 cells lose their oestrogenic inhibitory action on the NF-κB pathway and that the pro-apoptotic effect of TNF-α on these tumour pituitary cells does not require sensitisation by oestrogens as occurs in normal pituitary cells. NF-κB was required for the survival of GH3 cells, suggesting that pharmacological inhibition of the NF-κB pathway could interfere with pituitary tumour progression.
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Affiliation(s)
- G Eijo
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - M F Gottardo
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - G Jaita
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - M L Magri
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - M Moreno Ayala
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - S Zárate
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - M Candolfi
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - D Pisera
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - A Seilicovich
- Instituto de Investigaciones Biomédicas, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
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Magri F, Capelli V, Gaiti M, Villani L, Zerbini F, La Manna L, Rotondi M, Chiovato L. ER-alpha and ER-beta expression in differentiated thyroid cancer: relation with tumor phenotype across the TNM staging and peri-tumor inflammation. Endocrine 2015; 49:429-35. [PMID: 25338203 DOI: 10.1007/s12020-014-0457-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Accepted: 10/13/2014] [Indexed: 12/14/2022]
Abstract
Thyroid cancer may express estrogen receptors (ERs) and various grades of peri-tumor inflammation. The aim of the study was to evaluate the expression of ERs in relation to the TNM stage and peri-tumor inflammatory infiltrate in differentiated thyroid cancers. 127 patients (109 females, 18 males) with differentiated thyroid cancer (T1 = 91, T2 = 18, T3 = 11, T4 = 7) were evaluated. In tumors and in the correspondent extra-tumor parenchyma, ERs expression was evaluated by immunohistochemistry. In 114 tumors and correspondent peri-tumor tissues, the presence of inflammatory infiltration was also recorded. ER-alpha expression was higher in clinical than in incidental tumors of the T1 subgroup (p = 0.037), and was associated with capsular invasion in T2 tumors (p < 0.0001). ER-beta expression was negatively associated with vascular invasion in T1 (p = 0.005) and T2 tumors (p = 0.015). No significant relationship between ERs expression and tumor phenotype emerged in T3 and T4 subgroups. Tumors without inflammatory cell infiltrate showed a higher expression of both ER-alpha (p = 0.035) and ER-beta (p = 0.026) than the ones with inflammatory infiltrate. The relationship between tumor phenotype and ERs expression did not vary in the presence or absence of peri-tumor inflammatory infiltration. ER-alpha positivity and ER-beta negativity are associated with a more aggressive phenotype in both T1 and T2 thyroid cancers, suggesting that tumor biology may be more relevant than tumor size for cancer risk assessment. Inflammatory status is also associated with ERs expression, but not with tumor growth or phenotype.
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Affiliation(s)
- Flavia Magri
- Unit of Internal Medicine and Endocrinology, Fondazione S. Maugeri, IRCCS, University of Pavia, Pavia, Italy
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François CM, Wargnier R, Petit F, Goulvent T, Rimokh R, Treilleux I, Ray-Coquard I, Zazzu V, Cohen-Tannoudji J, Guigon CJ. 17β-estradiol inhibits spreading of metastatic cells from granulosa cell tumors through a non-genomic mechanism involving GPER1. Carcinogenesis 2015; 36:564-73. [PMID: 25823895 DOI: 10.1093/carcin/bgv041] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Granulosa cell tumor (GCT) is a rare and severe form of sex-cord stromal ovarian tumor that is characterized by its long natural history and tendency to recur years after surgical ablation. Because there is no efficient curative treatment beyond surgery, ~20% of patients die of the consequences of their tumor. However, very little is known of the molecular etiology of this pathology. About 70% of GCT patients present with elevated circulating estradiol (E2). Because this hormone is known to increase tumor growth and progression in a number of cancers, we investigated the possible role of E2 in GCTs. Cell-based studies with human GCT metastases and primary tumor-derived cells, ie KGN and COV434 cells, respectively, aimed at evaluating E2 effect on cell growth, migration and invasion. Importantly, we found that E2 did not affect GCT cell growth, but that it significantly decreased the migration and matrix invasion of metastatic GCT cells. Noteworthy, our molecular studies revealed that this effect was accompanied by the inhibition through non-genomic mechanisms of extracellular signal-regulated kinase 1/2 (ERK1/2), which is constitutively activated in GCTs. By using pharmacological and RNA silencing approaches, we found that E2 action was mediated by G protein-coupled estrogen receptor 1 (GPER1) signaling pathway. Analyses of GPER1 expression on tissue microarrays from human GCTs confirmed its expression in ~90% of GCTs. Overall, our study reveals that E2 would act via non-classical pathways to prevent metastasis spreading in GCTs and also reveals GPER1 as a possible target in this disease.
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Affiliation(s)
- Charlotte M François
- INSERM U1133, Physiologie de l'Axe Gonadotrope, F-75013 Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France, CNRS UMR 8251, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Richard Wargnier
- INSERM U1133, Physiologie de l'Axe Gonadotrope, F-75013 Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France, CNRS UMR 8251, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Florence Petit
- INSERM U1133, Physiologie de l'Axe Gonadotrope, F-75013 Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France, CNRS UMR 8251, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Thibaut Goulvent
- U1052 INSERM, UMR CNRS 5286, Université de Lyon, Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, Lyon F-69000, France, Institut Roche de Recherche et Médecine Translationnelle, 92650 Boulogne Billancourt, France
| | - Ruth Rimokh
- U1052 INSERM, UMR CNRS 5286, Université de Lyon, Centre de Recherche en Cancérologie de Lyon, Centre Léon Bérard, Lyon F-69000, France
| | | | - Isabelle Ray-Coquard
- Department of Medical Oncology, Centre Léon Bérard, Université de Lyon, Lyon F-69000 and GINECO Group, Paris, France and
| | - Valeria Zazzu
- Institute of Genetics and Biophysics "A. Buzzati-Traverso"-CNR, I-80131 Naples, Italy
| | - Joëlle Cohen-Tannoudji
- INSERM U1133, Physiologie de l'Axe Gonadotrope, F-75013 Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France, CNRS UMR 8251, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France
| | - Céline J Guigon
- INSERM U1133, Physiologie de l'Axe Gonadotrope, F-75013 Paris, France, Université Paris Diderot, Sorbonne Paris Cité, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France, CNRS UMR 8251, Biologie Fonctionnelle et Adaptative, F-75013 Paris, France,
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Bilandzic M, Wang Y, Ahmed N, Luwor RB, Zhu HJ, Findlay JK, Stenvers KL. Betaglycan blocks metastatic behaviors in human granulosa cell tumors by suppressing NFκB-mediated induction of MMP2. Cancer Lett 2014; 354:107-14. [DOI: 10.1016/j.canlet.2014.07.039] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 07/10/2014] [Accepted: 07/30/2014] [Indexed: 12/15/2022]
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Mansouri-Attia N, James R, Ligon A, Li X, Pangas SA. Soy promotes juvenile granulosa cell tumor development in mice and in the human granulosa cell tumor-derived COV434 cell line. Biol Reprod 2014; 91:100. [PMID: 25165122 PMCID: PMC4435027 DOI: 10.1095/biolreprod.114.120899] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2014] [Revised: 05/15/2014] [Accepted: 08/07/2014] [Indexed: 12/25/2022] Open
Abstract
Soy attracts attention for its health benefits, such as lowering cholesterol or preventing breast and colon cancer. Soybeans contain isoflavones, which act as phytoestrogens. Even though isoflavones have beneficial health effects, a role for isoflavones in the initiation and progression of diseases including cancer is becoming increasingly recognized. While data from rodent studies suggest that neonatal exposure to genistein (the predominant isoflavone in soy) disrupts normal reproductive function, its role in ovarian cancers, particularly granulosa cell tumors (GCT), is largely unknown. Our study aimed to define the contribution of a soy diet in GCT development using a genetically modified mouse model for juvenile GCTs (JGCT; Smad1 Smad5 conditional double knockout mice) as well as a human JGCT cell line (COV434). While dietary soy cannot initiate JGCT development in mice, we show that it has dramatic effects on GCT growth and tumor progression compared to a soy-free diet. Loss of Smad1 and Smad5 alters estrogen receptor alpha (Esr1) expression in granulosa cells, perhaps sensitizing the cells to the effects of genistein. In addition, we found that genistein modulates estrogen receptor expression in the human JGCT cell line and positively promotes cell growth in part by suppressing caspase-dependent apoptosis. Combined, our work suggests that dietary soy consumption has deleterious effects on GCT development.
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Affiliation(s)
| | - Rebecca James
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas
| | - Alysse Ligon
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas
| | - Xiaohui Li
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas
| | - Stephanie A Pangas
- Department of Pathology & Immunology, Baylor College of Medicine, Houston, Texas Department of Molecular & Cellular Biology, Baylor College of Medicine, Houston, Texas
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Cai L, Gao C, Tang S, Wang J, Xue X, Yue M, Deng X, Su J, Peng Z, Lu Y, Zhang Y, Wang J. Sex-specific association of estrogen receptor 2 polymorphisms with hepatitis C virus infection outcomes in a high-risk Chinese Han population. INFECTION GENETICS AND EVOLUTION 2014; 28:118-24. [PMID: PMID: 25261585 DOI: 10.1016/j.meegid.2014.09.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 09/02/2014] [Accepted: 09/18/2014] [Indexed: 01/28/2023]
Abstract
Hepatitis C virus (HCV) has different clinical and biological characteristics in women versus men, which suggests the potential involvement of estrogen. Estrogen signaling is mediated by the estrogen receptor, and genetic variations in the estrogen receptor gene might affect the pathology of HCV infection. We performed logistic regression analysis to explore the associations between rs1256049, rs4986938 and rs944459 polymorphisms of the estrogen receptor 2 gene (ESR2) and HCV infection outcomes. The variant A allele of rs4986938 was associated with an increased HCV infection susceptibility in the males (additive model: adjusted OR=1.493, P=0.010) and a significantly reduced risk of HCV infection in the female subgroup (GA vs. GG: adjusted OR=0.710, P=0.012; dominant model: adjusted OR=0.686, P=0.004; additive model: adjusted OR=0.703, P=0.002). In addition, females carrying the rs4986938 AA genotype appeared to clear HCV spontaneously more readily (adjusted OR=0.237, P=0.011), and additive model analyses showed that each additional allele contributed a decreased risk of approximately 34% for HCV chronicity (adjusted OR=0.659, P=0.006). Furthermore, a significant multiplicative interaction between the combined rs1256049 and rs4986938 genotypes was found to decrease HCV infection risk (adjusted OR=0.583, P=3.000×10(-4)). The area under the curve, based on the model and including age, gender, HCV genotypes and the three SNPs, was significantly related to the clearance of HCV (P=0.003). We provide here the first report that rs4986938 in the ESR2 gene played a potential sex-specific role in the etiology of HCV infection in a high-risk Chinese Han population, suggesting that ESR2 is a candidate susceptibility gene for HCV infection and viral clearance.
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Affiliation(s)
- Li Cai
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Chunfang Gao
- Institute of Anus and Intestine, The 150th Hospital of PLA, No. 2 West Huaxia Road, Luoyang 471031, Henan, China
| | - Shaidi Tang
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Jiajia Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Xingxin Xue
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Ming Yue
- Institute of Epidemiology and Microbiology, Huadong Research Institute for Medicine and Biotechnics, No. 293 Zhongshan East Road, Nanjing 210002, Jiangsu, China
| | - Xiaozhao Deng
- Institute of Epidemiology and Microbiology, Huadong Research Institute for Medicine and Biotechnics, No. 293 Zhongshan East Road, Nanjing 210002, Jiangsu, China
| | - Jing Su
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Zhihang Peng
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China
| | - Yan Lu
- Department of Epidemic Prevention, Shenzhen Center for Disease Control and Prevention, No. 8 Longyuan Road, Shenzhen 518055, Guangdong, China
| | - Yun Zhang
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China; Institute of Epidemiology and Microbiology, Huadong Research Institute for Medicine and Biotechnics, No. 293 Zhongshan East Road, Nanjing 210002, Jiangsu, China
| | - Jie Wang
- State Key Laboratory of Reproductive Medicine, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China; Department of General Practice, Kangda College, Nanjing Medical University, No. 818 East Tianyuan Road, Nanjing 211166, Jiangsu, China.
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Ribeiro JR, Freiman RN. Estrogen signaling crosstalk: Implications for endocrine resistance in ovarian cancer. J Steroid Biochem Mol Biol 2014; 143:160-73. [PMID: 24565562 PMCID: PMC4127339 DOI: 10.1016/j.jsbmb.2014.02.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2014] [Revised: 02/04/2014] [Accepted: 02/13/2014] [Indexed: 12/14/2022]
Abstract
Resistance to anti-estrogen therapies is a prominent challenge in the treatment of ovarian cancer. Tumors develop endocrine resistance by acquiring adaptations that help them rely on alternative oncogenic signaling cascades, which crosstalk with estrogen signaling pathways. An understanding of estrogen signaling crosstalk with these growth promoting cascades is essential in order to maximize efficacy of anti-estrogen treatments in ovarian cancer. Herein, we provide an overview of estrogen signaling in ovarian cancer and discuss the major challenges associated with anti-estrogen therapies. We also review what is currently known about how genomic and non-genomic estrogen signaling pathways crosstalk with several major oncogenic signaling cascades. The insights provided here illustrate existing strategies for targeting endocrine resistant ovarian tumors and may help identify new strategies to improve the treatment of this disease.
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Affiliation(s)
- Jennifer R Ribeiro
- Brown University, Pathobiology Graduate Program, 70 Ship St., Providence, RI 02903, USA.
| | - Richard N Freiman
- Brown University, Pathobiology Graduate Program, 70 Ship St., Providence, RI 02903, USA; Brown University, Department of Molecular and Cellular Biology and Biochemistry, 70 Ship St., Providence, RI 02903, USA.
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Andersson N, Anttonen M, Färkkilä A, Pihlajoki M, Bützow R, Unkila-Kallio L, Heikinheimo M. Sensitivity of human granulosa cell tumor cells to epidermal growth factor receptor inhibition. J Mol Endocrinol 2014; 52:223-34. [PMID: 24463098 DOI: 10.1530/jme-13-0286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Epidermal growth factor receptor (EGFR) is implicated in the progression of many human cancers, but its significance in ovarian granulosa cell tumor (GCT) pathobiology remains poorly understood. We assessed the EGFR gene copy number, surveyed the mRNA and protein expression patterns of EGFR in 90 adult GCTs, and assessed the in vitro sensitivity of GCT cells to EGFR inhibition. Low-level amplification of EGFR gene was observed in five GCTs and high-level amplification in one sample. EGFR mRNA was robustly expressed in GCTs. Most tumors expressed both unphosphorylated and phosphorylated EGFR protein, but the protein expression did not correlate with clinical parameters, including the risk of recurrence. Small-molecule EGFR inhibitors reduced the EGF-induced activation of EGFR and its downstream signaling molecules at nanomolar doses, but cell viability was reduced, and caspase-3/7 was activated in GCT cells only at micromolar doses. Based on the present results, EGFR is active and abundantly expressed in the majority of GCTs, but probably has only minor contribution to GCT cell growth. Given the high doses of EGFR inhibitors required to reduce GCT cell viability in vitro, they are not likely to be effective for GCT treatment as single agents; they should rather be tested as part of combination therapies for these malignancies.
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Affiliation(s)
- Noora Andersson
- Children's Hospital, University of Helsinki and Helsinki University Central Hospital, PO Box 20, 00014 University of Helsinki, Finland Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, PO Box 140, 00290 Helsinki, Finland Department of Pathology, Helsinki University Central Hospital, University of Helsinki and HUSlab, Haartmaninkatu 3, 00290 Helsinki, Finland Department of Pediatrics, Washington University School of Medicine, St Louis Children's Hospital, St Louis, Missouri 63110, USA
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Fu D, Lv X, Hua G, He C, Dong J, Lele SM, Li DWC, Zhai Q, Davis JS, Wang C. YAP regulates cell proliferation, migration, and steroidogenesis in adult granulosa cell tumors. Endocr Relat Cancer 2014; 21:297-310. [PMID: 24389730 PMCID: PMC4222524 DOI: 10.1530/erc-13-0339] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The Hippo signaling pathway has been implicated as a conserved regulator of organ size in both Drosophila and mammals. Yes-associated protein (YAP), the central component of the Hippo signaling cascade, functions as an oncogene in several malignancies. Ovarian granulosa cell tumors (GCT) are characterized by enlargement of the ovary, excess production of estrogen, a high frequency of recurrence, and the potential for malignancy and metastasis. Whether the Hippo pathway plays a role in the pathogenesis of GCT is unknown. This study was conducted to examine the expression of YAP in human adult GCTs and to determine the role of YAP in the proliferation and steroidogenesis of GCT cells. Compared with age-matched normal human ovaries, GCT tissues exhibited higher levels of YAP expression. YAP protein was predominantly expressed in the nucleus of tumor cells, whereas the non-tumor ovarian stromal cells expressed very low levels of YAP. YAP was also expressed in cultured primary human granulosa cells and in KGN and COV434 GCT cell lines. siRNA-mediated knockdown of YAP in KGN cells resulted in a significant reduction in cell proliferation (P<0.001). Conversely, overexpression of wild type YAP or a constitutively active YAP (YAP1) mutant resulted in a significant increase in KGN cell proliferation and migration. Moreover, YAP knockdown reduced FSH-induced aromatase (CYP19A1) protein expression and estrogen production in KGN cells. These results demonstrate that YAP plays an important role in the regulation of GCT cell proliferation, migration, and steroidogenesis. Targeting the Hippo/YAP pathway may provide a novel therapeutic approach for GCT.
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Affiliation(s)
- David Fu
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Xiangmin Lv
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Guohua Hua
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
- College of Animal Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Chunbo He
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
| | - Jixin Dong
- The Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
| | - Subodh M. Lele
- Department of Pathology, University of Nebraska Medical Center, Omaha, NE 68198
| | - David Wan-Cheng Li
- Department of Ophthalmology and visual Science, University of Nebraska Medical Center, Omaha, NE 68198
| | - Qiongli Zhai
- Department of Pathology, Tianjin Medical University Cancer Hospital, Tianjin, China
| | - John S. Davis
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
- The Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
- Omaha Veterans Affairs Medical Center, Omaha NE 68105
| | - Cheng Wang
- Olson Center for Women’s Health, University of Nebraska Medical Center, Omaha, NE 68198
- Department of Obstetrics and Gynecology, University of Nebraska Medical Center, Omaha, NE 68198
- The Fred & Pamela Buffett Cancer Center, University of Nebraska Medical Center, Omaha, NE 68198
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Van Nieuwenhuysen E, Lambrechts S, Lambrechts D, Leunen K, Amant F, Vergote I. Genetic changes in nonepithelial ovarian cancer. Expert Rev Anticancer Ther 2014; 13:871-82. [DOI: 10.1586/14737140.2013.811174] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Chand AL, Pathirage N, Lazarus K, Chu S, Drummond AE, Fuller PJ, Clyne CD. Liver receptor homologue-1 expression in ovarian epithelial and granulosa cell tumours. Steroids 2013; 78:700-6. [PMID: 23537609 DOI: 10.1016/j.steroids.2013.03.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Revised: 02/18/2013] [Accepted: 03/11/2013] [Indexed: 01/12/2023]
Abstract
Granulosa cell tumours of the ovary (GCT) express aromatase and produce oestrogens. The ovarian-specific aromatase promoter (pII) is regulated by members of the group 5A nuclear receptor family, SF-1 and LRH-1. Since both SF-1 and LRH-1 are implicated in proliferation and cancer, we hypothesised that alteration in the expression of either or both receptors may be associated with GCT. We therefore determined the expression of LRH-1, SF-1 and aromatase in a cohort of GCT, mucinous and serous cystadenocarcinomas, and normal ovaries. LRH-1 mRNA was present at low level in normal ovary and serous cystadenocarcinoma, but was elevated approximately 30-fold in GCT, and 8-fold in mucinous cystadenocarcinoma, compared to normal ovary. LRH-1 protein expression was confirmed in GCT by immunohistochemistry. SF-1 mRNA was significantly lower that of LRH-1 in all samples and not significantly altered in GCT, compared to normal ovary. Aromatase mRNA was present at low level in normal ovary and serous and mucinous cystadenocarcinoma, and significantly elevated (18-fold) in GCT compared to normal ovary. Despite the coordinate over-expression of both LRH-1 and aromatase in GCT versus normal ovary, their levels did not correlate in individual patients; rather, aromatase expression correlated with that of SF-1. Finally, although both LRH-1 and SF-1 activated aromatase promoter activity in transient transfection studies, gel-shift and chromatin immunoprecipitation data indicated that SF-1, but not LRH-1, bound to the aromatase promoter. We conclude that SF-1 regulates aromatase expression in GCT; over-expression of LRH-1 suggests that this receptor may be involved in the pathogenesis of GCT by mechanisms other than the regulation of aromatase. Its role in this disease therefore warrants further investigation.
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Affiliation(s)
- Ashwini L Chand
- Prince Henry's Institute, PO Box 5152, Clayton, Victoria, Australia
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Liang M, Yao G, Yin M, Lü M, Tian H, Liu L, Lian J, Huang X, Sun F. Transcriptional cooperation between p53 and NF-κB p65 regulates microRNA-224 transcription in mouse ovarian granulosa cells. Mol Cell Endocrinol 2013; 370:119-29. [PMID: 23474441 DOI: 10.1016/j.mce.2013.02.014] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 12/24/2012] [Accepted: 02/19/2013] [Indexed: 10/27/2022]
Abstract
MicroRNAs (miRNAs) have been indicated to play key roles in ovarian follicular development. However, little is known about how the miRNA gene expression itself is regulated in the mammalian ovary. We previously reported that miR-224 is involved in TGF-β1-mediated follicular granulosa cell (GC) growth and estradiol (E2) production by targeting Smad4. Here, the transcriptional regulation of miR-224 expression in GCs was further investigated. Our results showed that both the tumor suppressor gene p53 and NF-κB p65 subunit suppressed the TGF-β1-induced increase in pri-miR-224 expression in GCs. ChIP assays demonstrated that TGF-β1 enhanced the binding of p53 and p65 to the proximal promoter region of GABAA receptor ε subunit (miR-224 host gene). p53 and p65 transcriptionally cooperated to inactivate the GABAA receptor ε subunit promoter. In addition, p53/p65 could up-regulate Smad4 expression by inhibiting its target miR-224 in GCs which contributed, at least partially, to the effects of miR-224 and Smad4 on GC proliferation and E2 release. Our results provide new data about the interplay between transcription factors involved in GC proliferation and function by cooperatively regulating miRNA expression.
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Affiliation(s)
- Meng Liang
- Department of Cell and Developmental Biology, School of Life Sciences, University of Science and Technology of China, Hefei, Anhui 230027, People's Republic of China
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Estrogen receptor β agonist diarylpropionitrile inhibits lipopolysaccharide-induced regulated on activation normal T cell expressed and secreted (RANTES) production in macrophages by repressing nuclear factor κB activation. Fertil Steril 2013; 100:234-40. [PMID: 23557759 DOI: 10.1016/j.fertnstert.2013.02.052] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 02/28/2013] [Accepted: 02/28/2013] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To investigate the effect of the estrogen receptor-β (ERβ) agonist diarylpropionitrile (DPN) on lipopolysaccharide (LPS)-induced regulated on activation normal T cell expressed and secreted (RANTES) production in macrophages and the possible mechanisms. DESIGN Cellular and molecular biology experimental study. SETTING University-based research laboratory. PATIENT(S) None. INTERVENTION(S) ERβ mRNA and protein expression determined in murine macrophage cell line RAW264.7 cells using reverse-transcription polymerase chain reaction and Western blot analysis; RANTES production detected by ELISA in LPS-stimulated RAW264.7 cells and ERβ knockdown RAW264.7 cells after the addition of DPN, phosphorylation of p65 and IκB degradation detected by Western blot analysis; and nuclear accumulation of p65 visualized using immunofluorescence. MAIN OUTCOME MEASURE(S) LPS-induced RANTES production and phosphorylation of p65 and IκB. RESULT(S) ERβ was expressed in RAW264.7 cells, and DPN statistically significantly decreased LPS-induced RANTES production in RAW264.7 cells. Small interfering RNA targeting the ERβ gene inhibited the effect of DPN on RANTES production. In addition, DPN inhibited nuclear translocation and phosphorylation of p65 by inhibiting IκB degradation and thus prohibited the activation of nuclear factor κB (NF-κB). CONCLUSION(S) Diarylpropionitrile down-regulates LPS-induced RANTES production via ERβ. This effect of DPN is likely due to repression of nuclear factor κB activation.
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To SQ, Knower KC, Clyne CD. NFκB and MAPK signalling pathways mediate TNFα-induced Early Growth Response gene transcription leading to aromatase expression. Biochem Biophys Res Commun 2013; 433:96-101. [DOI: 10.1016/j.bbrc.2013.02.058] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2013] [Accepted: 02/10/2013] [Indexed: 12/23/2022]
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Bilandzic M, Chu S, Wang Y, Tan HL, Fuller PJ, Findlay JK, Stenvers KL. Betaglycan alters NFκB-TGFβ2 cross talk to reduce survival of human granulosa tumor cells. Mol Endocrinol 2013; 27:466-79. [PMID: 23322721 DOI: 10.1210/me.2012-1239] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The molecular pathways controlling granulosa cell tumor (GCT) survival are poorly understood. In many cell types, nuclear factor-κB (NFκB) and TGFβ coordinately regulate cell survival to maintain tissue homeostasis. Because GCT cell lines exhibit constitutively activated NFκB, we hypothesized that NFκB blocks TGFβ-mediated cell death in GCT cells. To test this hypothesis, we used the human GCT cell line KGN, which exhibits loss of betaglycan, a TGFβ co-receptor. After inhibition of NFκB in KGN cells, re-expression of betaglycan resulted in a decrease in cell viability, which was further decreased by TGFβ2. Intriguingly, TGFβ2 increased NFκB reporter activity in control cells, but betaglycan expression suppressed both basal and TGFβ2-stimulated NFκB activity. Chemical inhibition of Mothers against decapentaplegic homolog 2/3 (SMAD2/3) signaling or SMAD2/3 gene silencing revealed that both SMADs contributed to cell survival. Furthermore, inhibiting NFκB activity resulted in a specific reduction in SMAD3 expression. Conversely, overexpression of SMAD3 increased basal NFκB activity and countered betaglycan-mediated suppression of NFκB activity. Finally, ERK1/2 activation emerged as the point of convergence of NFκB, SMAD3, and TGFβ2/betaglycan governance of GCT cell viability. Key findings in KGN cells were reproduced in a second GCT cell line, COV434. Collectively, our data establish that both SMAD2/3 and NFκB signaling pathways support GCT cell viability and suggest the existence of a positive feedback loop between NFκB and SMAD3 signaling in late-stage GCT. Furthermore, our data suggest that loss of betaglycan during tumor progression in GCT alters the functional outcomes generated by NFκB and TGFβ pathway cross talk.
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Affiliation(s)
- Maree Bilandzic
- Prince Henry’s Institute, Department of Developmental Biology and Anatomy, Monash University, Clayton, Victoria 3168, Australia.
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Drummond AE, Fuller PJ. Activin and inhibin, estrogens and NFκB, play roles in ovarian tumourigenesis is there crosstalk? Mol Cell Endocrinol 2012; 359:85-91. [PMID: 21839804 DOI: 10.1016/j.mce.2011.07.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2011] [Revised: 07/14/2011] [Accepted: 07/14/2011] [Indexed: 01/24/2023]
Abstract
Ovarian cancer may be the most frequently lethal gynaecological malignancy but the heterogeneous nature of the disease and the advanced stage at which it is usually diagnosed, have contributed to the paucity of information relating to its aetiology and pathogenesis. Members of the TGF-β superfamily, estrogen and NFκB have all been implicated in the development and progression of cancers from a wide range of tissues. In the ovary, TGF-β superfamily members and estrogen play key roles in maintaining normal function. To date, little is known about the capacity of NFκB to influence normal ovarian function except that it is ubiquitously expressed. In this review we will highlight the roles that inhibin/activin, estrogen and NFκB, have been attributed within carcinogenesis and examine the potential for crosstalk between these pathways in ovarian cancer pathogenesis.
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Affiliation(s)
- Ann E Drummond
- Prince Henry's Institute of Medical Research, PO Box 5152, Clayton, Victoria 3168, Australia.
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Mandusic V, Dimitrijevic B, Nikolic-Vukosavljevic D, Neskovic-Konstantinovic Z, Kanjer K, Hamann U. Different associations of estrogen receptor β isoforms, ERβ1 and ERβ2, expression levels with tumor size and survival in early- and late-onset breast cancer. Cancer Lett 2012; 321:73-9. [PMID: 22366496 DOI: 10.1016/j.canlet.2012.02.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2011] [Revised: 02/17/2012] [Accepted: 02/17/2012] [Indexed: 02/07/2023]
Abstract
BACKGROUND In breast cancer, little is known about the consequences of co-expression of ERα with the second estrogen receptor, ERβ, and its isoforms in light of their joint prognostic value. Previously reported correlations have been based mostly on independent ERα and ERβ expression levels in breast tumors. PURPOSE To address whether the expression ratio of ERα and ERβ and its isoforms may be a more important parameter than their absolute levels, we analyzed relative mRNA expression ratios of ERβ1 to ERβ2 and ERα in 74 clinical samples of invasive breast cancer including 39 early-onset and 35 late-onset breast cancers. Expression levels were correlated with clinical and histopathological parameters and disease-free interval. RESULTS A specific correlation of ERβ1 expression levels with tumor size was detected in early-onset breast cancer patients and of ERβ2 levels with tumor size in late-onset patients. Expression of both ERβ isoforms inversely correlated with expression of the two estrogen regulated genes, progesterone receptor and pS2 in both groups. Higher levels of ERβ2 than ERβ1 isoform were associated with a better outcome in late-onset patients. CONCLUSIONS Our results suggest that different isoforms of ERβ may be involved in suppression of tumor growth in young and elder patients and may have different prognostic values.
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Affiliation(s)
- Vesna Mandusic
- Deutsches Krebsforschungszentrum (DKFZ), Molecular Genetics of Breast Cancer, Heidelberg, Germany
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Chand AL, Wijayakumara DD, Knower KC, Herridge KA, Howard TL, Lazarus KA, Clyne CD. The orphan nuclear receptor LRH-1 and ERα activate GREB1 expression to induce breast cancer cell proliferation. PLoS One 2012; 7:e31593. [PMID: 22359603 PMCID: PMC3281101 DOI: 10.1371/journal.pone.0031593] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2011] [Accepted: 01/10/2012] [Indexed: 11/18/2022] Open
Abstract
Background Liver Receptor Homolog 1 (LRH-1, NR5A2) is an orphan nuclear receptor that is over-expressed in cancers in tissues such as the breast, colon and pancreas. LRH-1 plays important roles in embryonic development, steroidogenesis and cholesterol homeostasis. In tumor cells, LRH-1 induces proliferation and cell cycle progression. High LRH-1 expression is demonstrated in breast cancers, positively correlating with ERα status and aromatase activity. LRH-1 dependent cellular mechanisms in breast cancer epithelial cells are poorly defined. Hence in the present study we investigated the actions of LRH-1 in estrogen receptor α (ERα) positive breast cancer cells. Results The study aimed to investigate LRH-1 dependent mechanisms that promote breast cancer proliferation. We identified that LRH-1 regulated the expression of Growth Regulation by Estrogen in Breast Cancer 1 (GREB1) in MCF-7 and MDA-MB-231 cells. Over-expression of LRH-1 increased GREB1 mRNA levels while knockdown of LRH-1 reduced its expression. GREB1 is a well characterised ERα target gene, with three estrogen response elements (ERE) located on its promoter. Chromatin immunoprecipitation studies provided evidence of the co-localisation of LRH-1 and ERα at all three EREs. With electrophoretic mobility shift assays, we demonstrated direct binding of LRH-1 to EREs located on GREB1 and Trefoil Factor 1 (TFF1, pS2) promoters. LRH-1 and ERα co-operatively activated transcription of ERE luciferase reporter constructs suggesting an overlap in regulation of target genes in breast cancer cells. Over-expression of LRH-1 resulted in an increase in cell proliferation. This effect was more pronounced with estradiol treatment. In the presence of ICI 182,780, an ERα antagonist, LRH-1 still induced proliferation. Conclusions We conclude that in ER-positive breast cancer cells, LRH-1 promotes cell proliferation by enhancing ERα mediated transcription of target genes such as GREB-1. Collectively these findings indicate the importance of LRH-1 in the progression of hormone-dependent breast cancer and implicate LRH-1 as a potential avenue for drug development.
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Affiliation(s)
- Ashwini L Chand
- Prince Henry's Institute, Monash Medical Centre, Clayton, Victoria, Australia.
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Baumgarten SC, Frasor J. Minireview: Inflammation: an instigator of more aggressive estrogen receptor (ER) positive breast cancers. Mol Endocrinol 2012; 26:360-71. [PMID: 22301780 DOI: 10.1210/me.2011-1302] [Citation(s) in RCA: 132] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Approximately 75% of breast tumors express the estrogen receptor (ER), and women with these tumors will receive endocrine therapy. Unfortunately, up to 50% of these patients will fail ER-targeted therapies due to either de novo or acquired resistance. ER-positive tumors can be classified based on gene expression profiles into Luminal A- and Luminal B-intrinsic subtypes, with distinctly different responses to endocrine therapy and overall patient outcome. However, the underlying biology causing this tumor heterogeneity has yet to become clear. This review will explore the role of inflammation as a risk factor in breast cancer as well as a player in the development of more aggressive, therapy-resistant ER-positive breast cancers. First, breast cancer risk factors, such as obesity and mammary gland involution after pregnancy, which can foster an inflammatory microenvironment within the breast, will be described. Second, inflammatory components of the tumor microenvironment, including tumor-associated macrophages and proinflammatory cytokines, which can act on nearby breast cancer cells and modulate tumor phenotype, will be explored. Finally, activation of the nuclear factor κB (NF-κB) pathway and its cross talk with ER in the regulation of key genes in the promotion of more aggressive breast cancers will be reviewed. From these multiple lines of evidence, we propose that inflammation may promote more aggressive ER-positive tumors and that combination therapy targeting both inflammation and estrogen production or actions could benefit a significant portion of women whose ER-positive breast tumors fail to respond to endocrine therapy.
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Affiliation(s)
- Sarah C Baumgarten
- Department of Physiology and Biophysics, University of Illinois at Chicago, 835 South Wolcott Avenue, Chicago, IL 60612, USA
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Gao R, Zhao L, Liu X, Rowan BG, Wabitsch M, Edwards DP, Nishi Y, Yanase T, Yu Q, Dong Y. Methylseleninic acid is a novel suppressor of aromatase expression. J Endocrinol 2012; 212:199-205. [PMID: 22128327 DOI: 10.1530/joe-11-0363] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Elevated circulating estrogen levels, as a result of increased peripheral aromatization of androgens by aromatase, have been indicated to underlie the association between obesity and a higher risk of breast cancer in postmenopausal women. Although aromatase inhibitors have been used as a first-line therapy for estrogen receptor-positive breast cancer in postmenopausal women, their potential as breast cancer chemopreventive agents has been limited due to toxicities and high costs. It is therefore imperative to develop new aromatase-inhibiting/suppressing agents with lower toxicities and lower costs for breast cancer chemoprevention, especially in obese postmenopausal women. The expression of the aromatase gene, CYP19, is controlled in a tissue-specific manner by the alternate use of different promoters. In obese postmenopausal women, increased peripheral aromatase is primarily attributed to the activity of the glucocorticoid-stimulated promoter, PI.4, and the cAMP-stimulated promoter, PII. In the present study, we show that methylseleninic acid (MSA), a second-generation selenium compound, can effectively suppress aromatase activation by dexamethasone, a synthetic glucocorticoid, and forskolin, a specific activator of adenylate cyclase. Unlike the action of aromatase inhibitors, MSA suppression of aromatase activation is not mediated via direct inhibition of aromatase enzymatic activity. Rather, it is attributable to a marked downregulation of promoters PI.4- and PII-specific aromatase mRNA expression, and thereby a reduction of aromatase protein. Considering the low-cost and low-toxicity nature of MSA, our findings provide a strong rationale for the further development of MSA as a breast cancer chemopreventive agent for obese postmenopausal women.
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Affiliation(s)
- Ruijuan Gao
- Department of Structural and Cellular Biology, Tulane University School of Medicine, Tulane Cancer Center, New Orleans, Louisiana 70112, USA
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Gibson DA, Saunders PTK. Estrogen dependent signaling in reproductive tissues - a role for estrogen receptors and estrogen related receptors. Mol Cell Endocrinol 2012; 348:361-72. [PMID: 21964318 DOI: 10.1016/j.mce.2011.09.026] [Citation(s) in RCA: 70] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Revised: 09/03/2011] [Accepted: 09/12/2011] [Indexed: 12/20/2022]
Abstract
Estrogens play a fundamental role in the development and normal physiological function of multiple tissue systems and have been implicated in the ontogeny of cancers. The biological effects of estrogens are classically mediated via interaction with cognate nuclear receptors. The relative expression of ER subtypes/variants varies between cells within different tissues and this alters the response to natural and synthetic ligands. This review focuses on the role of estrogen and estrogen related receptors in reproductive tissues.
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Affiliation(s)
- Douglas A Gibson
- MRC/UoE Centre for Reproductive Health, The University of Edinburgh, The Queen's Medical Research Institute, Edinburgh EH16 4TJ, UK
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Price JC, Cronin J, Sheldon IM. Toll-Like Receptor Expression and Function in the COV434 Granulosa Cell Line. Am J Reprod Immunol 2012; 68:205-17. [DOI: 10.1111/j.1600-0897.2011.01103.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2011] [Accepted: 12/14/2011] [Indexed: 12/31/2022] Open
Affiliation(s)
| | - James Cronin
- Institute of Life Science; School of Medicine; Swansea University; Swansea; UK
| | - Iain Martin Sheldon
- Institute of Life Science; School of Medicine; Swansea University; Swansea; UK
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CBP mediates NF-κB-dependent histone acetylation and estrogen receptor recruitment to an estrogen response element in the BIRC3 promoter. Mol Cell Biol 2011; 32:569-75. [PMID: 22083956 DOI: 10.1128/mcb.05869-11] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Estrogen receptor (ER) and NF-κB are transcription factors with profound effects on breast cancer cell proliferation and survival. While many studies demonstrate that ER and NF-κB can repress each other, we previously identified a gene signature that is synergistically upregulated by these two factors in more aggressive luminal B breast tumors. Herein, we examine a novel mechanism of cross talk between ER and NF-κB that results in the upregulation of the antiapoptotic gene BIRC3 (also known as cIAP2). We demonstrate that NF-κB, acting through two response elements, is required for ER recruitment to an adjacent estrogen response element (ERE) in the BIRC3 promoter. This effect is accompanied by a major increase in NF-κB-dependent histone acetylation around the ERE. Interestingly, CBP, a histone acetyltransferase previously implicated in repressive interactions between ER and NF-κB, plays a permissive role by promoting histone acetylation and ER recruitment, as well as enhanced expression of BIRC3. These findings suggest a new gene regulatory mechanism by which inflammation and NF-κB activation can influence ER recruitment to inherently inactive ER binding sites. This fine-tuning mechanism may explain how two factors that generally repress each other's activity may work together on certain genes to promote breast cancer cell survival and tumor progression.
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Horie S. Editorial comment to Inverse expression of estrogen receptor-beta and nuclear factor-kappaB in urinary bladder carcinogenesis. Int J Urol 2011; 17:810. [PMID: 20727051 DOI: 10.1111/j.1442-2042.2010.02627.x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Fleming NI, Knower KC, Lazarus KA, Fuller PJ, Simpson ER, Clyne CD. Aromatase is a direct target of FOXL2: C134W in granulosa cell tumors via a single highly conserved binding site in the ovarian specific promoter. PLoS One 2010; 5:e14389. [PMID: 21188138 PMCID: PMC3004790 DOI: 10.1371/journal.pone.0014389] [Citation(s) in RCA: 104] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2010] [Accepted: 11/30/2010] [Indexed: 12/14/2022] Open
Abstract
Background Granulosa cell tumors (GCT) of the ovary often express aromatase and synthesize estrogen, which in turn may influence their progression. Recently a specific point mutation (C134W) in the FOXL2 protein was identified in >94% of adult-type GCT and it is likely to contribute to their development. A number of genes are known to be regulated by FOXL2, including aromatase/CYP19A1, but it is unclear which are direct targets and whether the C134W mutation alters their regulation. Recently, it has been reported that FOXL2 forms a complex with steroidogenic factor 1 (SF-1) which is a known regulator of aromatase in granulosa cells. Methodology/Principal Findings In this work, the human GCT-derived cell lines KGN and COV434 were heterozygous and wildtype for the FOXL2:C134W mutation, respectively. KGN had abundant FOXL2 mRNA expression but it was not expressed in COV434. Expression of exogenous FOXL2:C134W in COV434 cells induced higher expression of a luciferase reporter for the ovarian specific aromatase promoter, promoter II (PII) (−516bp) than expression of wildtype FOXL2, but did not alter induction of a similar reporter for the steroidogenic acute regulatory protein (StAR) promoter (−1300bp). Co-immunoprecipitation confirmed that FOXL2 bound SF-1 and that it also bound its homologue, liver receptor homologue 1 (LRH-1), however, the C134W mutation did not alter these interactions or induce a selective binding of the proteins. A highly conserved putative binding site for FOXL2 was identified in PII. FOXL2 was demonstrated to bind the site by electrophoretic mobility shift assays (EMSA) and site-directed mutagenesis of this element blocked its differential induction by wildtype FOXL2 and FOXL2:C134W. Conclusions/Significance These findings suggest that aromatase is a direct target of FOXL2:C134W in adult-type GCT via a single distinctive and highly conserved binding site in PII and therefore provide insight into the pathogenic mechanism of this mutation.
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Affiliation(s)
| | - Kevin C. Knower
- Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia
| | - Kyren A. Lazarus
- Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia
| | - Peter J. Fuller
- Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Victoria, Australia
| | - Evan R. Simpson
- Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Victoria, Australia
| | - Colin D. Clyne
- Prince Henry's Institute of Medical Research, Clayton, Victoria, Australia
- Department of Biochemistry and Molecular Biology, Monash University, Victoria, Australia
- * E-mail:
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Abstract
Granulosa cell tumors of the ovary represent ∼5% of malignant ovarian cancers. It has recently been reported that 95-97% of adult granulosa cell tumors carry a unique somatic mutation in the FOXL2 gene. We undertook this study to verify the presence of the FOXL2 Cys134Trp mutation in two geographically independent cohorts of granulosa cell tumors and to examine the expression pattern of FOXL2 in these tumors. A total of 56 tumors with the histological diagnosis of adult granulosa cell tumor from two centers, Melbourne and Helsinki, were examined for the presence of the mutation using direct sequence analysis. Two granulosa cell tumor-derived cell lines, COV434 and KGN, three juvenile granulosa cell tumors and control tissues were also examined. The expression of the FOXL2 gene was determined using quantitative RT-PCR and/or immunohistochemistry. We found that 52 of the 56 adult granulosa cell tumors harbor the mutation, of which three were hemi/homozygous. Of the four cases with wild-type FOXL2 sequence, reappraisal suggests that three may have been misclassified at primary diagnosis. The KGN cells were heterozygous for the mutation, whereas the COV434 cells had a wild-type FOXL2 genotype. The expression levels of FOXL2 were similar across the adult granulosa cell tumors and the normal ovary controls; one mutation-negative granulosa cell tumor had high FOXL2 mRNA levels, whereas the COV434 cells and two of the three juvenile granulosa cell tumors lacked the expression of FOXL2. Our data provide confirmation of the frequent presence of the FOXL2 C134W mutation in adult granulosa cell tumors and demonstrate that the mutation is not associated with altered FOXL2 expression. The mutation analysis may be a useful tool to differentiate particularly between cell-rich diffuse granulosa cell tumors and mitotically active sex cord-stromal tumors. This unique FOXL2 mutation appears to be characteristic of adult granulosa cell tumors.
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