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Zhang J, Pan Y, Zhao L, Zhao T, Yu S, Cui Y. Identification of key genes and biological pathways in different parts of yak oviduct based on transcriptome analysis. Front Vet Sci 2022; 9:1016191. [PMID: 36504863 PMCID: PMC9727391 DOI: 10.3389/fvets.2022.1016191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 10/18/2022] [Indexed: 11/24/2022] Open
Abstract
The oviduct consists of three parts: the infundibulum (In), ampulla (Am), and isthmus (Is). These have the same histological structure, but different physiological functions. In this study, transcriptomics was used to analyze mRNA in these three parts of yak oviduct. The results showed that there were 325 up-regulated genes and 282 down-regulated genes in the infundibulum and ampulla. Moreover, there were 234 up-regulated genes and 776 down-regulated genes in the isthmus and ampulla, as well as 873 up-regulated genes and 297 down-regulated genes in the infundibulum and isthmus. The expression of C3 in the infundibulum was significantly higher than that in the ampulla and isthmus. The expression of FAU in the isthmus was significantly lower than that in the ampulla and infundibulum, and the expression of EEF1A1 in the ampulla was significantly higher than that in the ampulla and infundibulum. When the infundibulum was compared with the ampulla and isthmus, it was found that the up-regulated genes were enriched in the lysosome, phagosome, staphylococcus aureus infection, and leishmaniasis pathway. When the isthmus was compared with the ampulla and infundibulum, the up-regulated genes were present in the apoptosis pathway, oxidative phosphorylation, and viral myocarditis pathway. When the isthmus was compared with the infundibulum and ampulla, the down-regulated pathways were protein processing in the endoplasmic reticulum and the endocytosis. The Epstein-Barr virus infection pathway was up-regulated according to a comparison of the isthmus and infundibulum and was down-regulated based on a comparison of the isthmus and ampulla. Transcriptional misregulation in the Middle East pathway was up-regulated based on a comparison of the isthmus and ampulla and was down-regulated based on a comparison of the isthmus and infundibulum. ERBB2, JUP, CTNND1, and KRT7 were defined as the hub genes of the yak oviduct. The results of this study provide sufficient omics data for yak fertilization, which is also of great significance to altitude medicine.
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Affiliation(s)
- Jian Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China
| | - Yangyang Pan
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China
| | - Ling Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China
| | - Tian Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China
| | - Sijiu Yu
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China,*Correspondence: Sijiu Yu
| | - Yan Cui
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou, China,Technology and Research Center of Gansu Province for Embryonic Engineering of Bovine and Sheep & Goat, Lanzhou, China,Yan Cui
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2
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Girardet L, Cyr DG, Belleannée C. Arl13b controls basal cell stemness properties and Hedgehog signaling in the mouse epididymis. Cell Mol Life Sci 2022; 79:556. [PMID: 36261680 DOI: 10.1007/s00018-022-04570-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/09/2022] [Accepted: 09/22/2022] [Indexed: 11/30/2022]
Abstract
Epithelial cells orchestrate a series of intercellular signaling events in response to tissue damage. While the epididymis is composed of a pseudostratified epithelium that controls the acquisition of male fertility, the maintenance of its integrity in the context of tissue damage or inflammation remains largely unknown. Basal cells of the epididymis contain a primary cilium, an organelle that controls cellular differentiation in response to Hedgehog signaling cues. Hypothesizing its contribution to epithelial homeostasis, we knocked out the ciliary component ARL13B in keratin 5-positive basal cells. In this model, the reduced size of basal cell primary cilia was associated with impaired Hedgehog signaling and the loss of KRT5, KRT14, and P63 basal cell markers. When subjected to tissue injury, the epididymal epithelium from knock-out mice displayed imbalanced rates of cell proliferation/apoptosis and failed to properly regenerate in vivo. This response was associated with changes in the transcriptomic landscape related to immune response, cell differentiation, cell adhesion, and triggered severe hypoplasia of the epithelium. Together our results indicate that the ciliary GTPase, ARL13B, participates in the transduction of the Hedgehog signaling pathway to maintain basal cell stemness needed for tissue regeneration. These findings provide new insights into the role of basal cell primary cilia as safeguards of pseudostratified epithelia.
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Affiliation(s)
- Laura Girardet
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, Université Laval, CHU de Québec Research Center (CHUL), Quebec City, QC, Canada
| | - Daniel G Cyr
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, Université Laval, CHU de Québec Research Center (CHUL), Quebec City, QC, Canada.,Laboratory for Reproductive Toxicology, INRS-Centre Armand-Frappier Santé Biotechnologie, Université du Québec, Laval, QC, Canada
| | - Clémence Belleannée
- Faculty of Medicine, Department of Obstetrics, Gynecology and Reproduction, Université Laval, CHU de Québec Research Center (CHUL), Quebec City, QC, Canada.
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3
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Vang R, Shih IM. Serous tubal intraepithelial carcinoma: What Do We Really Know at this Point? Histopathology 2022; 81:542-555. [PMID: 35859323 DOI: 10.1111/his.14722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 06/18/2022] [Accepted: 06/23/2022] [Indexed: 11/27/2022]
Abstract
Serous tubal intraepithelial carcinoma (STIC) is the earliest morphologically recognizable step in the development of invasive high-grade serous carcinoma of the fallopian tube. Lesions occurring prior to STIC within the carcinogenic sequence for the pathogenesis of invasive high-grade serous carcinoma include the p53 signature and secretory cell outgrowth (SCOUT). Variable histologic criteria have been used for diagnosing STIC, but a combination of morphology and immunohistochemistry for p53/Ki-67 improves interobserver agreement. Half of all carcinomas identified in risk-reducing salpingo-oophorectomy specimens are in the form of STIC; however, STIC also may be incidentally found on occasion in specimens from women at low or average risk of ovarian/tubal/peritoneal carcinoma. TP53 mutation is the earliest known DNA sequence alteration in STIC and almost all invasive high-grade serous carcinomas of the ovary and peritoneum. Data on the clinical behavior of STIC are limited. While the short-term follow-up in the prior literature suggests a low risk of malignant progression, a more recent meta-analysis indicates a 10-year risk of 28%. STIC probably should be best regarded as a lesion with uncertain malignant potential at present, and future molecular analysis will help classify those with higher risk of dissemination. This review article provides an update on the current knowledge of STIC and related issues.
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Affiliation(s)
- Russell Vang
- Departments of Pathology (Division of Gynecologic Pathology), The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Gynecology & Obstetrics, The Johns Hopkins University School of Medicine; Baltimore, MD, USA
| | - Ie-Ming Shih
- Departments of Pathology (Division of Gynecologic Pathology), The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Gynecology & Obstetrics, The Johns Hopkins University School of Medicine; Baltimore, MD, USA.,Oncology, The Johns Hopkins University School of Medicine; Baltimore, MD, USA
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4
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Endometrioid Tubal Intraepithelial Neoplasia (E-TIN) of the Fallopian Tube: A Case Series. Int J Gynecol Pathol 2021; 39:552-557. [PMID: 31855954 DOI: 10.1097/pgp.0000000000000650] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Although serous tubal intraepithelial carcinoma has been well described in the distal fallopian tube as precancers of pelvic high-grade serous carcinoma, endometrioid precancers have drawn less attention. Recently, endometrioid precursor lesions have been identified and reported to have a specific immunophenotype (PAX2-, ALDH1+, diffuse nuclear beta-catenin), as well as an association with both uterine and ovarian endometrioid carcinomas. These have been referred to as endometrioid (or type II) secretory cell outgrowths. A subset of endometrioid secretory cell outgrowths show architectural complexity resembling hyperplasia of the endometrium and have been referred to as endometrioid tubal intraepithelial neoplasia. We report 4 cases of endometrioid tubal intraepithelial neoplasia with clinical correlation and morphologic differential diagnosis.
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5
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Fallopian Tube-Derived Tumor Cells Induce Testosterone Secretion from the Ovary, Increasing Epithelial Proliferation and Invasion. Cancers (Basel) 2021; 13:cancers13081925. [PMID: 33923536 PMCID: PMC8073317 DOI: 10.3390/cancers13081925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/06/2021] [Accepted: 04/11/2021] [Indexed: 12/11/2022] Open
Abstract
The fallopian tube epithelium is the site of origin for a majority of high grade serous ovarian carcinomas (HGSOC). The chemical communication between the fallopian tube and the ovary in the development of HGSOC from the fallopian tube is of interest since the fimbriated ends in proximity of the ovary harbor serous tubal intraepithelial carcinoma (STICs). Epidemiological data indicates that androgens play a role in ovarian carcinogenesis; however, the oncogenic impact of androgen exposure on the fallopian tube, or tubal neoplastic precursor lesions, has yet to be explored. In this report, imaging mass spectrometry identified that testosterone is produced by the ovary when exposed to tumorigenic fallopian tube derived PTEN deficient cells. Androgen exposure increased cellular viability, proliferation, and invasion of murine cell models of healthy fallopian tube epithelium and PAX2 deficient models of the preneoplastic secretory cell outgrowths (SCOUTs). Proliferation and invasion induced by androgen was reversed by co-treatment with androgen receptor (AR) antagonist, bicalutamide. Furthermore, ablation of phosphorylated ERK reversed proliferation, but not invasion. Investigation of two hyperandrogenic rodent models of polycystic ovarian syndrome revealed that peripheral administration of androgens does not induce fallopian proliferation in vivo. These data suggest that tumorigenic lesions in the fallopian tube may induce an androgenic microenvironment proximal to the ovary, which may in turn promote proliferation of the fallopian tube epithelium and preneoplastic lesions.
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6
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Kolin DL, McCluggage WG. β-catenin signatures in the fallopian tube: an emerging concept. Histopathology 2020; 77:877-879. [PMID: 33190339 DOI: 10.1111/his.14272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Accepted: 09/29/2020] [Indexed: 11/29/2022]
Affiliation(s)
- David L Kolin
- Department of Pathology, Division of Women's and Perinatal Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - W Glenn McCluggage
- Department of Pathology, Belfast Health and Social Care Trust, Belfast, UK
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7
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Colina JA, Varughese P, Karthikeyan S, Salvi A, Modi DA, Burdette JE. Reduced PAX2 expression in murine fallopian tube cells enhances estrogen receptor signaling. Carcinogenesis 2020; 41:646-655. [PMID: 31271204 DOI: 10.1093/carcin/bgz127] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 06/26/2019] [Accepted: 07/02/2019] [Indexed: 12/11/2022] Open
Abstract
High-grade serous ovarian cancer (HGSOC) is thought to progress from a series of precursor lesions in the fallopian tube epithelium (FTE). One of the preneoplastic lesions found in the FTE is called a secretory cell outgrowth (SCOUT), which is partially defined by a loss of paired box 2 (PAX2). In the present study, we developed PAX2-deficient murine cell lines in order to model a SCOUT and to explore the role of PAX2 loss in the etiology of HGSOC. Loss of PAX2 alone in the murine oviductal epithelium (MOE) did not induce changes in proliferation, migration and survival in hypoxia or contribute to resistance to first line therapies, such as cisplatin or paclitaxel. RNA sequencing of MOE PAX2shRNA cells revealed significant alterations in the transcriptome. Silencing of PAX2 in MOE cells produced a messenger RNA expression pattern that recapitulated several aspects of the transcriptome of previously characterized human SCOUTs. RNA-seq analysis and subsequent qPCR validation of this SCOUT model revealed an enrichment of genes involved in estrogen signaling and an increase in expression of estrogen receptor α. MOE PAX2shRNA cells had higher estrogen signaling activity and higher expression of putative estrogen responsive genes both in the presence and absence of exogenous estrogen. In summary, loss of PAX2 in MOE cells is sufficient to transcriptionally recapitulate a human SCOUT, and this model revealed an enrichment of estrogen signaling as a possible route for tumor progression of precursor lesions in the fallopian tube.
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Affiliation(s)
- Jose A Colina
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Peter Varughese
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Subbulakshmi Karthikeyan
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Amrita Salvi
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Dimple A Modi
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
| | - Joanna E Burdette
- Pharmaceutical Sciences, Center for Biomolecular Science, University of Illinois at Chicago, Chicago, IL, USA
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8
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Koyama K, Maeda D, Kito M, Tamura D, Kudo-Asabe Y, Katoh H, Ishikawa S, Nanjo H, Terada Y, Goto A. Clinicopathological and molecular analyses of linearly expanded epithelial cells with β-catenin alterations, "β-catenin signature", in the normal fallopian tube. Histopathology 2020; 77:880-889. [PMID: 32757328 DOI: 10.1111/his.14227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Accepted: 08/03/2020] [Indexed: 11/29/2022]
Abstract
AIMS Recent advances in next-generation sequencing have made it clear that clonal expansion of cells harbouring driver gene mutations occurs in physiologically normal epithelium. Molecular analysis of tubal epithelium has been almost exclusively confined to the TP53 pathway, which is involved in serous carcinogenesis. Other oncogenic events have not been explored in detail. Here, we report the linear expansion of fallopian tubal epithelial cells exhibiting an altered β-catenin profile (β-catenin signature). Through molecular analyses, we determined the incidence and clinicopathological significance of β-catenin signatures. METHODS AND RESULTS We evaluated 64 specimens of surgically removed bilateral fallopian tubes. Thirty-three β-catenin signatures were identified in 13 cases (20.3%); these patients were significantly younger than those without β-catenin signatures (median ages of 44 and 57 years, respectively, P = 0.0317). No correlation between β-catenin signature and any clinical factor was observed. CTNNB1 mutations were detected in three of eight β-catenin signatures when tissues were microdissected and subjected to Sanger sequencing in two representative cases. CONCLUSIONS This is the first report of the CTNNB1 mutation in clusters of morphologically bland tubal epithelial cells. The results of this study indicate that β-catenin signatures are common, and they may be a part of diverse molecular alterations occurring in normal tubal epithelium.
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Affiliation(s)
- Kei Koyama
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Daichi Maeda
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan.,Department of Clinical Genomics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masahiko Kito
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan.,Department of Obstetrics and Gynecology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Daisuke Tamura
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan.,Department of Obstetrics and Gynecology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Yukitsugu Kudo-Asabe
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Hiroto Katoh
- Department of Preventive Medicine, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Shumpei Ishikawa
- Department of Preventive Medicine, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
| | - Hiroshi Nanjo
- Department of Pathology, Akita University Hospital, Akita, Japan
| | - Yukihiro Terada
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Akita University, Akita, Japan
| | - Akiteru Goto
- Department of Cellular and Organ Pathology, Graduate School of Medicine, Akita University, Akita, Japan
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9
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Shih IM, Wang Y, Wang TL. The Origin of Ovarian Cancer Species and Precancerous Landscape. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 191:26-39. [PMID: 33011111 DOI: 10.1016/j.ajpath.2020.09.006] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 08/31/2020] [Accepted: 09/09/2020] [Indexed: 12/14/2022]
Abstract
Unlike other human cancers, in which all primary tumors arise de novo, ovarian epithelial cancers are primarily imported from either endometrial or fallopian tube epithelium. The prevailing paradigm in the genesis of high-grade serous carcinoma (HGSC), the most common ovarian cancer, posits to its development in fallopian tubes through stepwise tumor progression. Recent progress has been made not only in gathering terabytes of omics data but also in detailing the histologic-molecular correlations required for looking into, and making sense of, the tissue origin of HGSC. This emerging paradigm is changing many facets of ovarian cancer research and routine gynecology practice. The precancerous landscape in fallopian tubes contains multiple concurrent precursor lesions, including serous tubal intraepithelial carcinoma (STIC), with genetic heterogeneity providing a platform for HGSC evolution. Mathematical models imply that a prolonged time (decades) elapses from the development of a TP53 mutation, the earliest known molecular alteration, to an STIC, followed by a shorter span (6 years) for progression to an HGSC. Genetic predisposition accelerates the trajectory. This timeline may allow for the early diagnosis of HGSC and STIC, followed by intent-to-cure surgery. This review discusses the recent advances in this tubal paradigm and its biological and clinical implications, alongside the promise and challenge of studying STIC and other precancerous lesions of HGSC.
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Affiliation(s)
- Ie-Ming Shih
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland; Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland.
| | - Yeh Wang
- Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Tian-Li Wang
- Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, Maryland; Pathobiology Graduate Program, Johns Hopkins University School of Medicine, Baltimore, Maryland
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10
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Evidence for a Novel Endometrioid Carcinogenic Sequence in the Fallopian Tube With Unique Beta-Catenin Expression. Int J Gynecol Pathol 2020; 39:163-169. [DOI: 10.1097/pgp.0000000000000590] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Hardy LR, Salvi A, Burdette JE. UnPAXing the Divergent Roles of PAX2 and PAX8 in High-Grade Serous Ovarian Cancer. Cancers (Basel) 2018; 10:cancers10080262. [PMID: 30096791 PMCID: PMC6115736 DOI: 10.3390/cancers10080262] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Revised: 08/01/2018] [Accepted: 08/04/2018] [Indexed: 01/19/2023] Open
Abstract
High-grade serous ovarian cancer is a deadly disease that can originate from the fallopian tube or the ovarian surface epithelium. The PAX (paired box) genes PAX2 and PAX8 are lineage-specific transcription factors required during development of the fallopian tube but not in the development of the ovary. PAX2 expression is lost early in serous cancer progression, while PAX8 is expressed ubiquitously. These proteins are implicated in migration, invasion, proliferation, cell survival, stem cell maintenance, and tumor growth. Hence, targeting PAX2 and PAX8 represents a promising drug strategy that could inhibit these pro-tumorigenic effects. In this review, we examine the implications of PAX2 and PAX8 expression in the cell of origin of serous cancer and their potential efficacy as drug targets by summarizing their role in the molecular pathogenesis of ovarian cancer.
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Affiliation(s)
- Laura R Hardy
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA.
| | - Amrita Salvi
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA.
| | - Joanna E Burdette
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, University of Illinois at Chicago, Chicago, IL 60607, USA.
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12
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Xiang L, Rong G, Zhao J, Wang Z, Shi F. Identification of candidate genes associated with tubal origin of high-grade serous ovarian cancer. Oncol Lett 2018; 15:7769-7775. [PMID: 29731902 PMCID: PMC5920857 DOI: 10.3892/ol.2018.8346] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 01/23/2018] [Indexed: 01/24/2023] Open
Abstract
Evidence indicates that high-grade serous ovarian carcinoma arises from the fallopian tube, rather than ovarian surface epithelium. This is termed the 'tubal origin' theory. The aim of the present study was to compare the immunophenotype and gene expression profiling among high-grade serous ovarian carcinoma (HGSOC), fallopian tube epithelium (FTE) and ovarian surface epithelium (OSE) based on tubal origin theory, and identify the differential genes associated with ovarian carcinogenesis. A total of 61 cases of fresh tissue samples including 21 cases of HGSOC, 20 cases of OSE, and 20 cases of FTE were obtained following surgical resection. Immunostaining was performed to detect the expression of PAX8, which has been considered as a potential immunophenotype marker of Müllerian origin. Illumina BeadChip was applied for gene expression profiling. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed to confirm the differential expression of candidate genes between HGSOC and FTE. The results of the present study demonstrated that PAX8 was highly expressed in HGSOC (19/21, 90.4%) and FTE (20/20, 100%), but not in OSE (3/20, 14.3%). A dendrogram generated by cluster analysis indicated a higher similarity of gene expression profile between HGSOC and FTE than OSE. A total of 2,412 differentially expressed genes were identified (absolute fold change >2) between HGSOC and FTE, including 822 upregulated genes in cancer and 1,590 downregulated genes. S100 calcium binding protein P, Ras-interacting protein 1, Wnt family member 5A, tumor-associated calcium signal transducer 2, Dickkopf Wnt signaling pathway inhibitor 3 and tumor suppressor candidate 3 genes were identified as candidate markers, of which the differential gene expression in HGSOC and FTE was confirmed by RT-qPCR (P<0.05). The results indicate the presence of a greater similarity in the immunophenotype and gene expression profile of HGSOC and FTE, when compared with OSE, which was consistent with the tubal origin theory of HGSOC.
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Affiliation(s)
- Li Xiang
- Department of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Guohua Rong
- Department of Breast Surgery, Qingdao Municipal Hospital (Group), Qingdao, Shandong 266000, P.R. China
| | - Jing Zhao
- Department of Pathology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Zhenyan Wang
- Department of Gynecology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
| | - Fengfeng Shi
- Department of Ultrasound, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266000, P.R. China
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13
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Kolin DL, Dinulescu DM, Crum CP. Origin of clear cell carcinoma: nature or nurture? J Pathol 2018; 244:131-134. [PMID: 29178260 DOI: 10.1002/path.5009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/16/2017] [Accepted: 11/17/2017] [Indexed: 11/09/2022]
Abstract
A rare but serious complication of endometriosis is the development of carcinoma, and clear cell and endometrioid carcinomas of the ovary are the two most common malignancies which arise from endometriosis. They are distinct diseases, characterized by unique morphologies, immunohistochemical profiles, and responses to treatment. However, both arise in endometriosis and can share common mutations. The overlapping mutational profiles of clear cell and endometrioid carcinomas suggest that their varied histologies may be due to a different cell of origin which gives rise to each type of cancer. Cochrane and colleagues address this question in a recent article in this journal. They show that a marker of ovarian clear cell carcinoma, cystathionine gamma lyase, is expressed in ciliated cells. Similarly, they show that markers of secretory cells (estrogen receptor and methylenetetrahydrofolate dehydrogenase 1) are expressed in ovarian endometrioid carcinoma. Taken together, they suggest that endometrioid and clear cell carcinomas arise from cells related to secretory and ciliated cells, respectively. We discuss Cochrane et al's work in the context of other efforts to determine the cell of origin of gynecological malignancies, with an emphasis on recent developments and challenges unique to the area. These limitations complicate our interpretation of tumor differentiation; does it reflect nature imposed by a specific cell of origin or nurture, by either mutation(s) or environment? Copyright © 2017 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- David L Kolin
- Department of Pathology, Division of Women's and Perinatal Pathology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Daniela M Dinulescu
- Department of Pathology, Division of Women's and Perinatal Pathology, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Christopher P Crum
- Department of Pathology, Division of Women's and Perinatal Pathology, Brigham and Women's Hospital, Boston, Massachusetts, USA
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14
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Kobayashi H, Ogawa K, Kawahara N, Iwai K, Niiro E, Morioka S, Yamada Y. Sequential molecular changes and dynamic oxidative stress in high-grade serous ovarian carcinogenesis. Free Radic Res 2017; 51:755-764. [PMID: 28931330 DOI: 10.1080/10715762.2017.1383605] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The mechanism of high-grade serous ovarian cancer (HGSC) development remains elusive. This review outlines recent advances in the understanding of sequential molecular changes associated with the development of HGSC, as well as describes oxidative stress-induced genomic instability and carcinogenesis. This article reviews the English language literature between 2005 and 2017. Clinicopathological features analysis provides a sequential progression of fallopian tubal epithelium to precursor lesions to type 2 HGSC. HGSC may develop over a long time after incessant ovulation and repeated retrograde menstruation via stepwise accumulation of genetic alterations, including PAX2, ALDH1A1, STMN1, EZH2 and CCNE1, which confer positive selection of cells with growth advantages through acquiring driver mutations such as BRCA1/2, p53 or PTEN/PIK3CA. Haemoglobin and iron-induced oxidative stress leads to the emergence of genetic alterations in fallopian tubal epithelium via increased DNA damage and impaired DNA repair. Serous tubal intraepithelial carcinoma (STIC), the likely precursor of HGSC, may be susceptible to DNA double-strand breaks, exhibit DNA replication stress and increase genomic instability. The induction of genomic instability is considered to be a driving mechanism of reactive oxygen species (ROS)-induced carcinogenesis. HGSC exemplifies the view of stepwise cancer development. We describe how genetic alterations emerge during HGSC carcinogenesis related to oxidative stress.
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Affiliation(s)
- Hiroshi Kobayashi
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Kenji Ogawa
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Naoki Kawahara
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Kana Iwai
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Emiko Niiro
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Sachiko Morioka
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
| | - Yuki Yamada
- a Department of Obstetrics and Gynecology , Nara Medical University , Nara , Japan
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15
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Hao D, Li J, Jia S, Meng Y, Zhang C, Wang L, Di LJ. Integrated Analysis Reveals Tubal- and Ovarian-Originated Serous Ovarian Cancer and Predicts Differential Therapeutic Responses. Clin Cancer Res 2017; 23:7400-7411. [PMID: 28939742 DOI: 10.1158/1078-0432.ccr-17-0638] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2017] [Revised: 07/12/2017] [Accepted: 09/19/2017] [Indexed: 11/16/2022]
Abstract
Purpose: The relative importance of fallopian tube (FT) compared with ovarian surface epithelium (OSE) in the genesis of serous type of ovarian cancer (SOC) is still unsettled. Here, we followed an integrated approach to study the tissue origin of SOC, as well as its association with clinical outcome and response to therapeutic drugs.Experimental Design: A collection of transcriptome data of 80 FTs, 89 OSEs, and 2,668 SOCs was systematically analyzed to determine the characteristic of FT-like and OSE-like tumors. A molecular signature was developed for identifying tissue origin of SOC and then was used to reevaluate the prognostic genes and therapeutic biomarkers of SOC of different tissue origins. IHC staining of tissue array and functional experiments on a panel of ovarian cancer cell lines were used to further validate the key findings.Results: The expression patterns of tissue-specific genes, prognostic genes, and molecular markers all support a dualistic tissue origin of SOC, from either FT or OSE. A molecular signature was established to identify the tissue identity of SOCs. Surprisingly, the signature showed a strong association with overall survival (OSE-like vs. FT-like, HR = 4.16; 95% CI, 2.67-6.48; P < 10-9). The pharmacogenomic approach revealed AXL to be a therapeutic target of the aggressive OSE-derived SOC.Conclusions: SOC has two subtypes originated from either FT or OSE, which show different clinical and pathologic features. Clin Cancer Res; 23(23); 7400-11. ©2017 AACR.
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Affiliation(s)
- Dapeng Hao
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China
| | - Jingjing Li
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China
| | - Shanshan Jia
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China
| | - Yuan Meng
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China
| | - Chao Zhang
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China
| | - Li Wang
- Metabolomics Core, Faculty of Health Sciences, University of Macau, Macau, China
| | - Li-Jun Di
- Cancer Center, Faculty of Health Sciences, University of Macau, Macau, China.
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16
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Schmoeckel E, Odai-Afotey AA, Schleiβheimer M, Rottmann M, Flesken-Nikitin A, Ellenson LH, Kirchner T, Mayr D, Nikitin AY. LEF1 is preferentially expressed in the tubal-peritoneal junctions and is a reliable marker of tubal intraepithelial lesions. Mod Pathol 2017; 30:1241-1250. [PMID: 28664938 PMCID: PMC5604248 DOI: 10.1038/modpathol.2017.53] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 04/10/2017] [Accepted: 04/19/2017] [Indexed: 12/14/2022]
Abstract
Recently it has been reported that serous tubal intraepithelial carcinoma (STIC), the likely precursor of ovarian/extra-uterine high-grade serous carcinoma, are frequently located in the vicinity of tubal-peritoneal junctions, consistent with the cancer-prone features of many epithelial transitional regions. To test if p53 (aka TP53)-signatures and secretory cell outgrowths (SCOUTs) also localize to tubal-peritoneal junctions, we examined these lesions in the fallopian tubes of patients undergoing salpingo-oophorectomy for sporadic high-grade serous carcinomas or as a prophylactic procedure for carriers of familial BRCA1 or 2 mutations. STICs were located closest to the tubal-peritoneal junctions with an average distance of 1.31 mm, while SCOUTs were not detected in the fimbriated end of the fallopian tube. As many epithelial transitional regions contain stem cells, we also determined the expression of stem cell markers in the normal fallopian tube, tubal intraepithelial lesions and high-grade serous carcinomas. Of those, LEF1 was consistently expressed in the tubal-peritoneal junctions and all lesions, independent of p53 status. All SCOUTs demonstrated strong nuclear expression of β-catenin consistent with the LEF1 participation in the canonical WNT pathway. However, β-catenin was preferentially located in the cytoplasm of cells comprising STICs and p53 signatures, suggesting WNT-independent function of LEF1 in those lesions. Both frequency of LEF1 expression and β-catenin nuclear expression correlated with the worst 5-year patient survival, supporting important role of both proteins in high-grade serous carcinoma. Taken together, our findings suggest the existence of stem cell niche within the tubal-peritoneal junctions. Furthermore, they support the notion that the pathogenesis of SCOUTs is distinct from that of STICs and p53 signatures. The location and discrete patterns of LEF1 and β-catenin expression may serve as highly sensitive and reliable ancillary markers for the detection and differential diagnosis of tubal intraepithelial lesions.
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Affiliation(s)
- Elisa Schmoeckel
- Institute of Pathology, Ludwig Maximilians University, Munich,
Germany
| | - Ashley A. Odai-Afotey
- Department of Biomedical Sciences and Cornell Stem Cell Program,
Cornell University, Ithaca, New York, USA
| | | | - Miriam Rottmann
- Institute of Medical Information Processing, Biometry und
Epidemiology, Ludwig Maximilians University, Munich, Germany
| | - Andrea Flesken-Nikitin
- Department of Biomedical Sciences and Cornell Stem Cell Program,
Cornell University, Ithaca, New York, USA
| | - Lora H. Ellenson
- Department of Pathology and Laboratory Medicine, Weill Cornell
Medicine, New York, New York
| | - Thomas Kirchner
- Institute of Pathology, Ludwig Maximilians University, Munich,
Germany
| | - Doris Mayr
- Institute of Pathology, Ludwig Maximilians University, Munich,
Germany
| | - Alexander Yu. Nikitin
- Department of Biomedical Sciences and Cornell Stem Cell Program,
Cornell University, Ithaca, New York, USA
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17
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Alwosaibai K, Abedini A, Al-Hujaily EM, Tang Y, Garson K, Collins O, Vanderhyden BC. PAX2 maintains the differentiation of mouse oviductal epithelium and inhibits the transition to a stem cell-like state. Oncotarget 2017; 8:76881-76897. [PMID: 29100356 PMCID: PMC5652750 DOI: 10.18632/oncotarget.20173] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 07/18/2017] [Indexed: 12/18/2022] Open
Abstract
Recent studies have provided evidence that the secretory cells of the fallopian tube (oviduct) are a probable origin for high-grade serous ovarian carcinoma. In addition to secretory cells, the fallopian tube epithelium consists of ciliated cells and CD44+ undifferentiated stem-like cells. Loss of PAX2 expression is recognized as an early event in epithelial transformation, but the specific role of PAX2 in this transition is unknown. The aim of this study was to define the role of PAX2 in oviductal epithelial (OVE) cells and its response to transforming growth factor β1 (TGFβ), characterizing specifically its potential involvement in regulating stem cell-like behaviors that may contribute to formation of cancer-initiating cells. Treatment of primary cultures of mouse OVE cells with TGFβ induced an epithelial-mesenchymal transition (EMT) associated with decreased expression of PAX2 and an increase in the fraction of cells expressing CD44. PAX2 knockdown in OVE cells and overexpression in ovarian epithelial cells confirmed that PAX2 inhibits stem cell characteristics and regulates the degree of epithelial differentiation of OVE cells. These results suggest that loss of PAX2, as occurs in serous tubal intraepithelial carcinomas, may shift secretory cells to a more mesenchymal phenotype associated with stem-like features.
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Affiliation(s)
- Kholoud Alwosaibai
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada.,King Fahad Specialist Hospital, Dammam, Saudi Arabia
| | - Atefeh Abedini
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada
| | - Ensaf M Al-Hujaily
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada
| | - Yong Tang
- Department of Urology, Affiliated Cancer Hospital of Guangxi Medical University, Nanning, China
| | - Kenneth Garson
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada
| | - Olga Collins
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada
| | - Barbara C Vanderhyden
- Department of Cellular and Molecular Medicine, University of Ottawa, Ontario, Canada.,Cancer Therapeutics Program, Ottawa Hospital Research Institute, Ontario, Canada.,Department of Obstetrics and Gynecology, University of Ottawa, Ontario, Canada
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18
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Kobayashi H, Iwai K, Niiro E, Morioka S, Yamada Y, Ogawa K, Kawahara N. The conceptual advances of carcinogenic sequence model in high-grade serous ovarian cancer. Biomed Rep 2017; 7:209-213. [PMID: 28811894 DOI: 10.3892/br.2017.955] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Accepted: 07/20/2017] [Indexed: 12/29/2022] Open
Abstract
The present review focuses on the current status of molecular pathology in high-grade serous cancer (HGSC) and preneoplastic conditions. This article reviews the English-language literature on HGSC, precursor, fallopian tubal epithelium, secretory cells, ciliated cells, secretory cell expansion, secretory cell outgrowth (SCOUT), p53 signature, serous tubal intraepithelial carcinoma (STIC), DNA damage and immunohistochemistry in an effort to identify the precursor-carcinoma sequence in HGSC. The majority of HGSC originates from the fimbriated end of the fallopian tube secretory epithelial cells, while the small part of this disease may develop from ovarian cortical inclusion cyst (CIC). A series of morphological changes from normal fallopian epithelium to preneoplastic to neoplastic lesions were concomitant with the multistep accumulation of molecular and genetic alterations. Recent studies provide a stepwise progression of fallopian tubal epithelium to precursor lesions to carcinoma, with the aid of a 'secretory cell-SCE-SCOUT-p53 signature-STIC-HGSC sequence' model. Immunohistochemical markers, including p53, STMN1, EZH2, CCNE1, Ki67 and γ-H2AX, were gradually increased during the SCOUT-p53 signature-STIC-HGSC sequence. Conversely, PAX2 expression was decreased during the early phase of SCOUT development. Potential genes and proteins are involved in the evolutionary trajectory of the precursor-cancer lineage model. In the present review we examined detailed aspects of the molecular changes involved in malignant transformation from fallopian tube epithelium to HGSC. A precursor condition originating in 'field cancerization' may gain a growth advantage, leading to HGSC.
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Affiliation(s)
- Hiroshi Kobayashi
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Kana Iwai
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Emiko Niiro
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Sachiko Morioka
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Yuki Yamada
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Kenji Ogawa
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
| | - Naoki Kawahara
- Department of Obstetrics and Gynecology, Nara Medical University, Kashihara, Nara 634-8522, Japan
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19
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Meserve EEK, Brouwer J, Crum CP. Serous tubal intraepithelial neoplasia: the concept and its application. Mod Pathol 2017; 30:710-721. [PMID: 28106106 DOI: 10.1038/modpathol.2016.238] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2016] [Revised: 12/04/2016] [Accepted: 12/05/2016] [Indexed: 12/11/2022]
Abstract
In recent years it has become clear that many extra-uterine (pelvic) high-grade serous carcinomas (serous carcinomas) are preceded by a precursor lesion in the distal fallopian tube. Precursors range from small self-limited 'p53 signatures' to expansile serous tubal intraepithelial neoplasms that include both serous tubal epithelial proliferations (or lesions) of uncertain significance and serous tubal intraepithelial carcinomas. These precursors can be considered from three perspectives. The first is biologic underpinnings, which are multifactorial, and include the intersection of DNA damage with Tp53 mutations and disturbances in transcriptional regulation that increase with age. The second perspective is the morphologic discovery and classification of intraepithelial neoplasms that are intercepted early in their natural history, either incidentally or in risk-reduction surgeries for germline mutations. For the practicing pathologist, as well as the investigators, a distinction between a primary intraepithelial neoplasm and an intramucosal carcinoma must be made to avoid misinterpreting (or underestimating) the significance of these proliferations. The third perspective is the application of this information to intervention, devising strategies that will actually lower the ovarian cancer death rate by opportunistic salpingectomy, widespread comprehensive genetic screening and early detection. Central to this issue are the questions of (1) whether some STICs are metastatic, (2) whether lower-grade epithelial proliferations can invade prior to evolving into intraepithelial carcinoma, or (3) metastasize and become malignant elsewhere ('precursor escape'). An important caveat is the persistent and unsettling reality that many high-grade serous carcinomas are not associated with an obvious point of initiation in the fallopian tube. The pathologist sits squarely in the midst of all of these issues, and has a pivotal role in managing expectations for stemming the death rate from this lethal disease.
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Affiliation(s)
- Emily E K Meserve
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Boston, MA USA
| | - Jan Brouwer
- Department of Gynecologic Oncology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Christopher P Crum
- Division of Women's and Perinatal Pathology, Department of Pathology, Brigham and Women's Hospital, Boston, MA USA
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20
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Iron addiction: a novel therapeutic target in ovarian cancer. Oncogene 2017; 36:4089-4099. [PMID: 28319068 PMCID: PMC5540148 DOI: 10.1038/onc.2017.11] [Citation(s) in RCA: 276] [Impact Index Per Article: 39.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Revised: 12/14/2016] [Accepted: 12/27/2016] [Indexed: 02/06/2023]
Abstract
Ovarian cancer is a lethal malignancy that has not seen a major therapeutic advance in over 30 years. We demonstrate that ovarian cancer exhibits a targetable alteration in iron metabolism. Ferroportin (FPN), the iron efflux pump, is decreased, and transferrin receptor (TFR1), the iron importer, is increased in tumor tissue from patients with high grade but not low grade serous ovarian cancer. A similar profile of decreased FPN and increased TFR1 is observed in a genetic model of ovarian cancer tumor initiating cells (TICs). The net result of these changes is an accumulation of excess intracellular iron and an augmented dependence on iron for proliferation. A forced reduction in intracellular iron reduces the proliferation of ovarian cancer TICs in vitro, and inhibits both tumor growth and intraperitoneal dissemination of tumor cells in vivo. Mechanistic studies demonstrate that iron increases metastatic spread by facilitating invasion through expression of matrix metalloproteases and synthesis of IL6. We show that the iron dependence of ovarian cancer tumor initiating cells renders them exquisitely sensitive in vivo to agents that induce iron-dependent cell death (ferroptosis) as well as iron chelators, and thus creates a metabolic vulnerability that can be exploited therapeutically.
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21
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Yamamoto Y, Ochiya T. Epithelial stem cell culture: modeling human disease and applications for regenerative medicine. Inflamm Regen 2017; 37:3. [PMID: 29259702 PMCID: PMC5725889 DOI: 10.1186/s41232-017-0034-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 01/02/2017] [Indexed: 01/07/2023] Open
Abstract
The inability to maintain the immaturity of stem cell populations in vitro restricts the long-term expansion of various types of human epithelial stem cells. However, recent technical advances in epithelial stem cell culture have led to the development of novel in vitro strategies for regenerating epithelial tissues and for closely mimicking human diseases such as cancer and inflammation. Specifically, improvements in culture conditions provided by small molecules in combination with three-dimensional (3D) culture approaches have facilitated the establishment of in vitro systems that recapitulate biological properties in epithelial organs, and these systems may be used to model disease. In this review article, we describe the biological significance of technical improvements in the development of these methods, focusing on human epithelial cells, including stratified and columnar epithelial cells. We also discuss the potential and future perspectives of this technology, which is only beginning to be explored.
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Affiliation(s)
- Yusuke Yamamoto
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045 Japan
| | - Takahiro Ochiya
- Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo, 104-0045 Japan
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22
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Karnezis AN, Cho KR, Gilks CB, Pearce CL, Huntsman DG. The disparate origins of ovarian cancers: pathogenesis and prevention strategies. Nat Rev Cancer 2017; 17:65-74. [PMID: 27885265 DOI: 10.1038/nrc.2016.113] [Citation(s) in RCA: 207] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Ovarian cancer is the fifth cause of cancer-related death in women and comprises a histologically and genetically broad range of tumours, including those of epithelial, sex cord-stromal and germ cell origin. Recent evidence indicates that high-grade serous ovarian carcinoma, clear cell carcinoma and endometrioid carcinoma primarily arise from tissues that are not normally present in the ovary. These histogenetic pathways are informing risk-reduction strategies for the prevention of ovarian and ovary-associated cancers and have highlighted the importance of the seemingly unique ovarian microenvironment.
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Affiliation(s)
- Anthony N Karnezis
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V5Z 1M9, Canada
| | - Kathleen R Cho
- Department of Pathology, University of Michigan Medical School, Ann Arbor, Michigan 48109, USA
| | - C Blake Gilks
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V5Z 1M9, Canada
| | - Celeste Leigh Pearce
- Department of Epidemiology, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, USA
| | - David G Huntsman
- Department of Pathology and Laboratory Medicine, University of British Columbia, Vancouver, British Columbia V5Z 1M9, Canada
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23
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Modi DA, Tagare RD, Karthikeyan S, Russo A, Dean M, Davis DA, Lantvit DD, Burdette JE. PAX2 function, regulation and targeting in fallopian tube-derived high-grade serous ovarian cancer. Oncogene 2016; 36:3015-3024. [PMID: 27991925 DOI: 10.1038/onc.2016.455] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 11/01/2016] [Accepted: 11/03/2016] [Indexed: 01/12/2023]
Abstract
The fallopian tube epithelium (FTE) is one of the progenitor populations for high-grade serous ovarian cancer (HGSC). Loss of PAX2 is the earliest known molecular aberration in the FTE occurring in serous carcinogenesis followed by a mutation in p53. Pathological studies report consistent loss of PAX2 in benign lesions as well as serous tumors. In the current study, the combined loss of PAX2 and expression of the R273H p53 mutant protein in murine oviductal epithelial (MOE) cells enhanced proliferation and growth in soft agar in vitro but was insufficient to drive tumorigenesis in vivo. A serially passaged model was generated to investigate the role of aging, but was also insufficient to drive tumorigenesis. These models recapitulate early benign lesions and suggest that a latency period exists between loss of PAX2, p53 mutation and tumor formation. Stathmin and fut8 were identified as downstream targets regulated by loss of PAX2 and mutation of p53 in MOE cells. Re-expression of PAX2 in PAX2-null human HGSC cells reduced cell survival via apoptosis. Phosphatase and tensin homolog (PTEN)shRNA negatively regulated PAX2 expression and stable re-expression of PAX2 in MOE:PTENshRNA cells significantly reduced proliferation and peritoneal tumor formation in athymic nude mice. PAX2 was determined to be a direct transcriptional target that was activated by wild-type p53, whereas mutant p53 inhibited PAX2 transcription in MOE cells. A small molecule screen using the proximal PAX2 promoter driving luciferase identified four small molecules that were able to enhance PAX2 mRNA expression in MOE cells. PAX2 re-expression in HGSC cells and PTEN-deficient oviductal tumors may have the potential to induce apoptosis. In summary, mutant p53 and PTEN loss negatively regulated PAX2 and PAX2 re-expression in HGSC cells induced cell death.
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Affiliation(s)
- D A Modi
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - R D Tagare
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - S Karthikeyan
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - A Russo
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - M Dean
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - D A Davis
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - D D Lantvit
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
| | - J E Burdette
- Center for Biomolecular Sciences (M/C 870), Department of Medicinal Chemistry and Pharmacognosy, University of Illinois at Chicago, College of Pharmacy, Chicago, IL, USA
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24
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Weinberger V, Bednarikova M, Cibula D, Zikan M. Serous tubal intraepithelial carcinoma (STIC) – clinical impact and management. Expert Rev Anticancer Ther 2016; 16:1311-1321. [DOI: 10.1080/14737140.2016.1247699] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Vit Weinberger
- Department of Gynecology and Obstetrics, University Hospital Brno, Masaryk University, Faculty of Medicine, Brno, Czech Republic
| | - Marketa Bednarikova
- Department of Hematology and Oncology, University Hospital Brno, Masaryk University, Faculty of Medicine, Brno, Czech Republic
| | - David Cibula
- Gynecological Oncology Center, Department of Obstetrics and Gynecology, Charles University in Prague – First Faculty of Medicine, Prague 2, Czech Republic
| | - Michal Zikan
- Gynecological Oncology Center, Department of Obstetrics and Gynecology, Charles University in Prague – First Faculty of Medicine, Prague 2, Czech Republic
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25
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Yamamoto Y, Ning G, Howitt BE, Mehra K, Wu L, Wang X, Hong Y, Kern F, Wei TS, Zhang T, Nagarajan N, Basuli D, Torti S, Brewer M, Choolani M, McKeon F, Crum CP, Xian W. In vitro and in vivo correlates of physiological and neoplastic human Fallopian tube stem cells. J Pathol 2016; 238:519-530. [PMID: 26415052 DOI: 10.1002/path.4649] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Revised: 08/04/2015] [Accepted: 09/23/2015] [Indexed: 12/11/2022]
Abstract
High-grade serous cancer (HGSC) progresses to advanced stages without symptoms and the 5-year survival rate is a dismal 30%. Recent studies of ovaries and Fallopian tubes in patients with BRCA1 or BRCA2 mutations have documented a pre-metastatic intramucosal neoplasm that is found almost exclusively in the Fallopian tube, termed 'serous tubal intraepithelial carcinoma' or STIC. Moreover, other proliferations, termed p53 signatures, secretory cell outgrowths (SCOUTs), and lower-grade serous tubal intraepithelial neoplasms (STINs) fall short of STIC but share similar alterations in expression, in keeping with an underpinning of genomic disturbances involved in, or occurring in parallel with, serous carcinogenesis. To gain insight into the cellular origins of this unique tubal pathway to high-grade serous cancer, we cloned and both immortalized and transformed Fallopian tube stem cells (FTSCs). We demonstrated that pedigrees of FTSCs were capable of multipotent differentiation and that the tumours derived from transformed FTSCs shared the histological and molecular features of HGSC. We also demonstrated that altered expression of some biomarkers seen in transformed FTSCs and HGSCs (stathmin, EZH2, CXCR4, CXCL12, and FOXM1) could be seen as well in immortalized cells and their in vivo counterparts SCOUTs and STINs. Thus, a whole-genome transcriptome analysis comparing FTSCs, immortalized FTSCs, and transformed FTSCs showed a clear molecular progression sequence that is recapitulated by the spectrum of accumulated perturbations characterizing the range of proliferations seen in vivo. Biomarkers unique to STIC relative to normal tubal epithelium provide a basis for novel detection approaches to early HGSC, but must be viewed critically given their potential expression in lesser proliferations. Perturbations shared by both immortalized and transformed FTSCs may provide unique early targets for prevention strategies. Central to these efforts has been the ability to clone and perpetuate multipotent FTSCs.
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Affiliation(s)
- Yusuke Yamamoto
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Gang Ning
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Brooke E Howitt
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Karishma Mehra
- Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA
| | - Lingyan Wu
- Genome Institute of Singapore, A-STAR, Singapore
| | - Xia Wang
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Yue Hong
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA
| | - Florian Kern
- Genome Institute of Singapore, A-STAR, Singapore
| | - Tay Seok Wei
- Genome Institute of Singapore, A-STAR, Singapore
| | - Ting Zhang
- Genome Institute of Singapore, A-STAR, Singapore
| | | | - Debargha Basuli
- Departments of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT, USA
| | - Suzy Torti
- Departments of Molecular, Microbial and Structural Biology, University of Connecticut Health Center, Farmington, CT, USA
| | - Molly Brewer
- Department of Obstetrics and Gynecology, University of Connecticut Health Center, Farmington, CT, USA
| | - Mahesh Choolani
- Division of Obstetrics and Gynecology, National University of Singapore, Singapore
| | - Frank McKeon
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA.,Genome Institute of Singapore, A-STAR, Singapore.,MultiClonal Therapeutics, Inc, Farmington, CT, USA.,Department of Microbiology, National University of Singapore, Singapore.,Department of Biology and Biochemistry, University of Houston, TX, USA
| | | | - Wa Xian
- The Jackson Laboratory for Genomic Medicine, Farmington, CT, USA.,Department of Pathology, Brigham and Women's Hospital, Boston, MA, USA.,MultiClonal Therapeutics, Inc, Farmington, CT, USA.,Department of Genetics and Developmental Biology, University of Connecticut Health Center, Farmington, CT, USA.,Center for Stem Cell & Regenerative Medicine, The University of Texas Health Science Center at Houston, TX, USA
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Abstract
OBJECTIVE To credential Stathmin 1 (STMN1) and p16(INK4A) (p16) as adjunct markers for the diagnosis of serous tubal intraepithelial carcinoma (STIC), and to compare STMN1 and p16 expression in p53-positive and p53-negative STIC and invasive high-grade serous carcinoma (HGSC). METHODS Immunohistochemistry (IHC) was used to examine STMN1 and p16 expression in fallopian tube specimens (n=31) containing p53-positive and p53-negative STICs, invasive HGSCs, and morphologically normal FTE (fallopian tube epithelium). STMN1 and p16 expression was scored semiquantitatively by four individuals. The semiquantitative scores were dichotomized, and reported as positive or negative. Pooled siRNA was used to knockdown p53 in a panel of cell lines derived from immortalized FTE and HGSC. RESULTS STMN1 and p16 were expressed in the majority of p53-positive and p53-negative STICs and concomitant invasive HGSCs, but only scattered positive cells were present in morphologically normal FTE. Both proteins were expressed consistently across multiple STICs from the same patient and in concomitant invasive HGSC. Knockdown of p53 in immortalized FTE cells and in four HGSC-derived cell lines expressing different missense p53 mutations did not affect STMN1 protein levels. CONCLUSIONS This study demonstrates that STMN1 and p16 are sensitive and specific adjunct biomarkers that, when used with p53 and Ki-67, improve the diagnostic accuracy of STIC. The addition of STMN1 and p16 helps to compensate for practical limitations of p53 and Ki-67 that complicate the diagnosis in up to one third of STICs.
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