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Heimes AS, Schmidt M, Jäkel J, Almstedt K, Gebhard S, Weyer-Eiberich V, Elger T, Krajnak S, Brenner W, Hasenburg A, Battista MJ. A retrospective analysis of immunohistochemically determined IRF4 (interferon regulating factor 4) expression in a consecutive cohort of 114 ovarian cancer patients. Arch Gynecol Obstet 2018; 299:239-246. [DOI: 10.1007/s00404-018-4941-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 10/12/2018] [Indexed: 01/23/2023]
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Wang D, Xu Y, Feng L, Yin P, Song SS, Wu F, Yan P, Liang Z. RGS5 decreases the proliferation of human ovarian carcinoma‑derived primary endothelial cells through the MAPK/ERK signaling pathway in hypoxia. Oncol Rep 2018; 41:165-177. [PMID: 30365142 PMCID: PMC6278583 DOI: 10.3892/or.2018.6811] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Accepted: 09/17/2018] [Indexed: 12/20/2022] Open
Abstract
Regulator of G-protein signaling 5 (RGS5), a tissue-specific signal-regulating molecule, plays a key role in the development of the vasculature. It was recently found that RGS5 is abundantly expressed in epithelial ovarian cancer (EOC) compared with the normal ovaries. However, the distribution of RGS5 in EOC and its significance require further investigation. The aim of the present study was to investigate the expression of RGS5 in EOC, as well as its association with cancer differentiation, metastasis and clinicopathological parameters. Immunohistochemistry (IHC), western blotting, RT-PCR, wound-healing, cell proliferation and flow cytometric assays were the methods used in the present study. RGS5 was highly expressed in the cytoplasm of ovarian carcinoma cells and in microvascular structures. The expression of RGS5 in EOC was negatively associated with peritoneal metastasis (P=0.004), but it was not found to be associated with age, tumor size, clinical stage or lymph node metastasis (P>0.05). EOC patients with high RGS5 expression had a prolonged progression-free survival (72.34±8.41 vs. 43.56±5.41 months, P<0.001). High expression of RGS5 was correlated with significantly lower microvascular density (MVD) as indicated by the expression of CD34, whereas the opposite was observed in tissues with low RGS5 expression (P<0.05). Hypoxia increased RGS5 expression in ovarian carcinoma-derived endothelial cells (ODMECs), whereas the proliferative capacity of ODMECs exhibited a significant increase following RNAi-mediated reduction of RGS5 expression. These data indicated that RGS5 plays a key role in angiogenesis in ovarian carcinoma. In addition, RGS5 downregulated the expression of the downstream proteins CDC25A, CDK2 and cyclin E, which are mediated by the mitogen-activated protein kinase/extracellular signal-regulated kinase pathway, causing ODMEC arrest in the G1 phase of the cell cycle under hypoxic conditions. Collectively, our data indicated that RGS5 is crucial for the occurrence and development of ovarian cancer, and that RGS5 and its signaling pathway may serve as anti-angiogenesis targets for the treatment of ovarian cancer.
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Affiliation(s)
- Dan Wang
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Yan Xu
- 77103rd troops, PLA, Chongqing 400038, P.R. China
| | - Lu Feng
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Pin Yin
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Shuang Shuang Song
- Department of Geriatrics, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Feng Wu
- Department of Pathology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Ping Yan
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
| | - Zhiqing Liang
- Department of Obstetrics and Gynecology, Southwest Hospital, Third Military Medical University, Chongqing 400038, P.R. China
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Li W, Lu Y, Yu X, Yong M, Ma D, Gao Q. Detection of exosomal tyrosine receptor kinase B as a potential biomarker in ovarian cancer. J Cell Biochem 2018; 120:6361-6369. [PMID: 30304550 DOI: 10.1002/jcb.27923] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 09/25/2018] [Indexed: 12/21/2022]
Abstract
Ovarian cancer (OC) is a lethal disease diagnosed at advanced stages due to the lack of specific biomarkers. Tyrosine receptor kinase B (TrkB), which has recently been found to be related to OC progression, represents a promising potential biomarker for OC diagnosis and prognosis. The discovery of circulating exosomes as biomarkers for various diseases led us to explore exosomal TrkB in OC. Our previous study proved that the expression of TrkB was elevated in OC tissues. In this study, we focused on the detection of exosomal TrkB in OC. Exosomes were first gathered from three different OC cell lines' conditioned medium, serum samples of patients with OC as well as xenograft mice serum by serial centrifugation method. Then, we identified exosomes by transmission electron microscopy, NanoSight analysis, and expression of typical exosomal protein markers. The existence of TrkB in exosomes was measured by Western blot analysis, and the expression was detected by enzyme-linked immunosorbent assay. In this study, we demonstrated that exosomes could derive from OC cell lines, serum from OC xenograft nude mice, and clinical patients. Our study shows that serum exosomal TrkB may be considered a minimally invasive biomarker for OC.
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Affiliation(s)
- Wenqian Li
- Department of Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yunhui Lu
- Department of Obstetrics and Gynecology, Dalian Medical University Affiliated Dalian Obstetrics and Gynecology Hospital, Dalian, China
| | - Xiaohui Yu
- Department of Obstetrics and Gynecology, Dalian Medical University Affiliated Dalian Obstetrics and Gynecology Hospital, Dalian, China
| | - Minjie Yong
- Department of Obstetrics and Gynecology, Ningxia Obstetrics and Gynecology Hospital, Yinchuan, China
| | - Ding Ma
- Department of Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qinglei Gao
- Department of Obstetrics and Gynecology, Cancer Biology Research Center (Key Laboratory of the Ministry of Education), Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Kim JH, Jang HJ, Kim HS, Kim BJ, Park SH. Prognostic impact of high c-Met expression in ovarian cancer: a meta-analysis. J Cancer 2018; 9:3427-3434. [PMID: 30310499 PMCID: PMC6171012 DOI: 10.7150/jca.26071] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Accepted: 07/17/2018] [Indexed: 12/21/2022] Open
Abstract
High c-Met expression has been observed in epithelial ovarian cancer (EOC). However, its clinicopathological impacts remain controversial. We conducted this meta-analysis to evaluate the pathologic and prognostic significance of c-Met overexpression in patients with EOC. A systematic computerized search of the electronic databases PubMed, PMC, EMBASE, and Google scholar (up to April 2018) was carried out. From seven studies, 568 patients with EOC were included in the meta-analysis. Although there was no statistical significance, EOCs with c-Met overexpression tended to show higher FIGO stage (III-IV) (odds ratio = 2.18, 95% confidence interval: 0.86-5.53, p = 0.10) and higher rate of lymph node metastasis (odds ratio = 3.05, 95% confidence interval: 0.85-10.98, p = 0.09), compared with tumors with low c-Met expression. In terms of prognosis, patients with c-Met-high EOC showed significantly worse survival than those with c-Met-low tumor (hazard ratio = 2.11, 95% confidence interval: 1.51-2.94, p < 0.0001). In conclusion, this meta-analysis indicates that high c-Met expression represents an adverse prognostic marker for patients with EOC.
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Affiliation(s)
- Jung Han Kim
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Hyun Joo Jang
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Hyeong Su Kim
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Republic of Korea
| | - Bum Jun Kim
- Department of Internal Medicine, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Republic of Korea.,Department of Internal Medicine, National Army Capital Hospital, The Armed Forces Medical Command, Sungnam, Gyeonggi-Do, Republic of Korea
| | - Sung Ho Park
- Department of Obstetrics and Gynecology, Kangnam Sacred-Heart Hospital, Hallym University Medical Center, Hallym University College of Medicine, Seoul, Republic of Korea
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Association of ER-α gene PvuII polymorphism with ovarian cancer. Cancer Treat Res Commun 2018; 14:13-16. [PMID: 30104002 DOI: 10.1016/j.ctarc.2017.11.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 12/09/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND Ovarian cancer is the most common cancer among women worldwide. Estrogen plays an important role in follicle formation and maturation of oocyte via its receptor (ER). It has a special interest as their protein levels are always elevated in premalignant and malignant cancer cells and are over expressed in different tumors with a favourable prognosis. The present study is aimed to evaluate the role of ER-α gene ( rs2234693) PVUII polymorphism in the etiology of ovarian cancer. MATERIALS AND METHODS A total of eighty clinically and histopathologically confirmed ovarian cancer patients and 100 healthy control subjects were included in the present study. Demographic details along with blood samples were collected from all the subjects. DNA was extracted, amplified and genotyped for ER-α gene PVUII polymorphism by PCR-RFLP method followed by agarose gel electrophoresis. Statistical methods were applied to test for the significance of the results. RESULTS The genotype frequencies revealed 50% of wild homozygotes (PP), 33.75% of heterozygotes (Pp), 16.25% of mutant homozygotes (pp) in the diseased group and 79% of wild homozygotes (PP), 12% of heterozygotes (Pp), 9% of mutant homozygotes (pp) in the control group. There is a significant increase of p allele in patients compared to controls. CONCLUSION The present study thus indicates the possible association of PVUII polymorphism of ER-α gene in the etiology of ovarian cancer.
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Givechian KB, Garner C, Garban H, Rabizadeh S, Soon-Shiong P. CAD/POLD2 gene expression is associated with poor overall survival and chemoresistance in bladder urothelial carcinoma. Oncotarget 2018; 9:29743-29752. [PMID: 30038717 PMCID: PMC6049856 DOI: 10.18632/oncotarget.25701] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2018] [Accepted: 06/13/2018] [Indexed: 12/13/2022] Open
Abstract
Somatic mutations in DNA repair genes have been clinically associated with chemosensitivity, although few studies have interrogated the nucleotide synthesis pathways that supply DNA repair processes. Previous work suggests that bladder urothelial carcinoma is uniquely enriched for mutations in nucleotide excision repair genes, and that these mutations are associated with response to platinum-based therapy and favorable survival. Conversely, the de novo pyrimidine synthesis pathway has recently emerged as a putative clinical target. This anabolic process is thought to supply DNA repair processes such as nucleotide excision repair; that is, DNA repair enzymes may require a sufficient nucleotide supply available to reverse the intended genotoxic damage of systemic chemotherapy in rapidly proliferating cancer cells. Therefore, we explored the prognostic complementarity between de novo pyrimidine synthesis and nucleotide excision repair expression in a total of 570 bladder urothelial carcinoma patients. Ultimately, we show that the de novo pyrimidine synthesis gene CAD is associated with poor survival (P = 0.008) and is co-altered with the nucleotide excision repair gene POLD2. High expression of POLD2 was also associated with poor overall survival (P = 0.019) and was significantly correlated with CAD expression in pre-treatment patient tumor samples (P = 2.44e-4). Expression of each gene was associated with cisplatin-based therapy resistance, and accordingly, CADhighPOLD2high patients were associated with worse survival than CADhighPOLD2low and CADlowPOLD2high patients. Together, these biomarkers could help elucidate mechanisms of chemoresistance to further personalize therapeutic strategies in bladder urothelial carcinoma.
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Affiliation(s)
| | | | - Hermes Garban
- NantBioscience, Inc. | NantWorks, Culver City, CA 90232, USA
| | - Shahrooz Rabizadeh
- NantOmics LLC, Culver City, CA 90232, USA
- NantBioscience, Inc. | NantWorks, Culver City, CA 90232, USA
| | - Patrick Soon-Shiong
- NantOmics LLC, Culver City, CA 90232, USA
- NantBioscience, Inc. | NantWorks, Culver City, CA 90232, USA
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Babay W, Ben Yahia H, Boujelbene N, Zidi N, Laaribi AB, Kacem D, Ben Ghorbel R, Boudabous A, Ouzari HI, Rizzo R, Rebmann V, Mrad K, Zidi I. Clinicopathologic significance of HLA-G and HLA-E molecules in Tunisian patients with ovarian carcinoma. Hum Immunol 2018; 79:463-470. [PMID: 29499226 DOI: 10.1016/j.humimm.2018.02.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 02/22/2018] [Accepted: 02/22/2018] [Indexed: 12/31/2022]
Abstract
BACKGROUND The human leukocyte antigen (HLA)-G and HLA-E, non classical HLA class I molecules, have been highly implicated in immune tolerance. HLA-G and HLA-E molecules were proposed as putative markers of several advanced cancers. As a step towards a better understanding of ovarian carcinoma, we evaluated the expression of both HLA-G and HLA-E molecules and explored their prognostic implication. METHODS HLA-G and HLA-E expression were studied by immunohistochemistry on ovarian carcinoma tissues. This expression was semi-quantitatively scored into four expression groups and correlated to clinicopathological parameters and patients' survival. RESULTS HLA-G and HLA-E have been found to be highly expressed in ovarian carcinoma tissues (Respectively, 72.4% and 96.8%). They are frequently co-expressed. Univariate and multivariate analysis revealed that a positive HLA-G expression status in tumor tissue is a promising candidate parameter to predict disease recurrence in addition to the disease status in Tunisian patients with ovarian carcinoma. Moreover, the elevated HLA-E expression was associated with serous ovarian carcinoma subtype as well as with advanced stages of ovarian carcinoma. CONCLUSION HLA-G and HLA-E are highly represented in ovarian carcinoma suggesting a potential association with progressive disease mechanism. HLA-G and HLA-E molecules might be new candidates' markers for ovarian carcinoma progression.
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Affiliation(s)
- Wafa Babay
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Hamza Ben Yahia
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Nadia Boujelbene
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia; Department of Pathology, Salah Azaïz Institute, Tunis, Tunisia
| | - Nour Zidi
- Department of Radiotherapy, Salah Azaïz Institute, Tunis, Tunisia
| | - Ahmed Baligh Laaribi
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Dhikra Kacem
- Department of Pathology, Salah Azaïz Institute, Tunis, Tunisia
| | | | - Abdellatif Boudabous
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Hadda-Imene Ouzari
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Roberta Rizzo
- Department of Experimental and Diagnostic Medicine, Section Microbiology, University of Ferrara, Ferrara, Italy
| | - Vera Rebmann
- Institute for Transfusion Medicine, University Hospital Essen, Virchowstr. 179, 45147 Essen, Germany
| | - Karima Mrad
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia; Department of Pathology, Salah Azaïz Institute, Tunis, Tunisia
| | - Inès Zidi
- Laboratory Microorganisms and Active Biomolecules, Sciences Faculty of Tunis, University of Tunis El Manar, Tunis, Tunisia.
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Campbell KR, Chaudhary R, Handel JM, Patankar MS, Campagnola PJ. Polarization-resolved second harmonic generation imaging of human ovarian cancer. JOURNAL OF BIOMEDICAL OPTICS 2018; 23:1-8. [PMID: 29900704 PMCID: PMC5998835 DOI: 10.1117/1.jbo.23.6.066501] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2018] [Accepted: 05/23/2018] [Indexed: 05/05/2023]
Abstract
Remodeling of the extracellular matrix in human ovarian cancer can be manifested in increased collagen concentration, changes in alignment within fibrils/fibers and/or up-regulation of different collagen isoforms. We used pixel-based second harmonic generation (SHG) polarization microscopy analyses to probe these molecular changes in human ovarian tissues [normal stroma, benign tumors, and high-grade serous (HGS) tumors] by: (i) determination of the α-helical pitch angle via the single-axis molecular model, (ii) collagen alignment within fibrils via SHG anisotropy, and (iii) chirality via SHG circular dichroism (SHG-CD). Pixel approaches are required due to the complex structure of the matrix that lacks a high degree of fiber alignment. The largest differences in the helical pitch angle were between normal stroma and benign tumors, consistent with gene expression showing the Col III isoform is up-regulated in the latter. The data were not consistent with up-regulation of Col III in HGS tumors as previous reports have suggested. The different tissues also displayed differing SHG anisotropies and SHG-CD responses, consistent with either Col III incorporation or randomization of Col I alignment within benign and malignant tumors. Additionally, the high-grade tumors displayed higher collagen concentration, where this desmoplasia is consistent with the higher fiber density in these tissues. These results collectively indicate that the fibril assemblies are distinct in all tissues, where these differences likely result from the synthesis of collagen rather than remodeling of existing collagen. Importantly, these analyses are label-free and interrogate subresolution collagen structure on intact tissues, without the need for conventional structural biology tools.
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Affiliation(s)
- Kirby R. Campbell
- University of Wisconsin–Madison, Department of Biomedical Engineering, Madison, Wisconsin, United States
- University of Wisconsin–Madison, Laboratory for Optical and Computational Instrumentation, Madison, Wisconsin, United States
| | - Rajeev Chaudhary
- University of Wisconsin–Madison, Department of Biomedical Engineering, Madison, Wisconsin, United States
- University of Wisconsin–Madison, Laboratory for Optical and Computational Instrumentation, Madison, Wisconsin, United States
| | - Julia M. Handel
- University of Wisconsin–Madison, Department of Biomedical Engineering, Madison, Wisconsin, United States
| | - Manish S. Patankar
- University of Wisconsin–Madison, Department of Obstetrics and Gynecology, Madison, Wisconsin, United States
| | - Paul J. Campagnola
- University of Wisconsin–Madison, Department of Biomedical Engineering, Madison, Wisconsin, United States
- University of Wisconsin–Madison, Laboratory for Optical and Computational Instrumentation, Madison, Wisconsin, United States
- Address all correspondence to: Paul J. Campagnola, E-mail:
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Momeny M, Yousefi H, Eyvani H, Moghaddaskho F, Salehi A, Esmaeili F, Alishahi Z, Barghi F, Vaezijoze S, Shamsaiegahkani S, Zarrinrad G, Sankanian G, Sabourinejad Z, Hamzehlou S, Bashash D, Aboutorabi ES, Ghaffari P, Dehpour AR, Tavangar SM, Tavakkoly-Bazzaz J, Alimoghaddam K, Ghavamzadeh A, Ghaffari SH. Blockade of nuclear factor-κB (NF-κB) pathway inhibits growth and induces apoptosis in chemoresistant ovarian carcinoma cells. Int J Biochem Cell Biol 2018; 99:1-9. [DOI: 10.1016/j.biocel.2018.03.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 02/18/2018] [Accepted: 03/16/2018] [Indexed: 01/01/2023]
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EGFR Immunoexpression in Malignant Serous and Mucinous Ovarian Tumors. CURRENT HEALTH SCIENCES JOURNAL 2018; 44:129-134. [PMID: 30746159 PMCID: PMC6320459 DOI: 10.12865/chsj.44.02.06] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Accepted: 03/27/2018] [Indexed: 01/28/2023]
Abstract
The epithelial growth factor receptor (EGFR) is involved in various stages of cancer growth such as tumor initiation, angiogenesis and metastasis, being an attractive target for oncogenic therapy. The present study aims to evaluate the EGFR expression in 54 cases of serous and mucinous ovarian borderline tumors and carcinomas. EGFR expression was present in more than half of the investigated tumors, more frequently in carcinomas than in borderline tumors, especially in the serous type. The highest values of the final staining score (FSS) were observed only in serous carcinomas in the advanced stages of the disease. As a result of frequent expression of EGFR in ovarian tumors, it is necessary to monitor EGFR inhibitors for ovarian cancer therapy, but probably after establishing more rigorous selection and stratification criteria for patients.
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61
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Yu G, Li N, Zhao Y, Wang W, Feng XL. Salidroside induces apoptosis in human ovarian cancer SKOV3 and A2780 cells through the p53 signaling pathway. Oncol Lett 2018; 15:6513-6518. [PMID: 29616120 DOI: 10.3892/ol.2018.8090] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 11/16/2017] [Indexed: 12/15/2022] Open
Abstract
Salidroside is one of the most potent compounds extracted from the plant Rhodiola rosea, and its cardiovascular protective effects have been studied extensively. However, the role of salidroside in human ovarian carcinoma remains unknown. The aim of the current study was to investigate the effects of salidroside on the proliferation and apoptosis of SKOV3 and A2780 cells using MTT assay and acridine orange/ethidium bromide staining. Salidroside activated caspase-3 and upregulated the levels of apoptosis-inducing factor, Bcl-2-associated X and Bcl-2-associated death promoter (Bad) proteins. Furthermore, salidroside downregulated the levels of Bcl-2, p-Bad and X-linked inhibitor of apoptosis proteins. Salidroside activated the caspase-dependent pathway in SKOV3 and A2780 cells, upregulating p53, p21Cip1/Waf1 and p16INK4a. These results suggest that the p53/p21Cip1/Waf1/p16INK4a pathway may serve a key function in salidroside-mediated effects on SKOV3 and A2780 cells. The current findings indicate that salidroside may be a promising novel drug candidate for ovarian cancer therapy.
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Affiliation(s)
- Ge Yu
- Department of Gynecology of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
| | - Na Li
- Department of Gynecology of Traditional Chinese Medicine, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
| | - Yan Zhao
- Department of Gynecology of Traditional Chinese Medicine, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
| | - Wei Wang
- Department of Gynecology of Traditional Chinese Medicine, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
| | - Xiao-Ling Feng
- Department of Gynecology of Traditional Chinese Medicine, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China.,Department of Gynecology of Traditional Chinese Medicine, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang 150001, P.R. China
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Acland M, Mittal P, Lokman NA, Klingler-Hoffmann M, Oehler MK, Hoffmann P. Mass Spectrometry Analyses of Multicellular Tumor Spheroids. Proteomics Clin Appl 2018; 12:e1700124. [PMID: 29227035 DOI: 10.1002/prca.201700124] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 11/13/2017] [Indexed: 12/21/2022]
Abstract
Multicellular tumor spheroids (MCTS) are a powerful biological in vitro model, which closely mimics the 3D structure of primary avascularized tumors. Mass spectrometry (MS) has established itself as a powerful analytical tool, not only to better understand and describe the complex structure of MCTS, but also to monitor their response to cancer therapeutics. The first part of this review focuses on traditional mass spectrometry approaches with an emphasis on elucidating the molecular characteristics of these structures. Then the mass spectrometry imaging (MSI) approaches used to obtain spatially defined information from MCTS is described. Finally the analysis of primary spheroids, such as those present in ovarian cancer, and the great potential that mass spectrometry analysis of these structures has for improved understanding of cancer progression and for personalized in vitro therapeutic testing is discussed.
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Affiliation(s)
- Mitchell Acland
- Adelaide Proteomics Centre, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Institute of Photonics and Advanced Sensing (IPAS), University of Adelaide, Adelaide, South Australia, Australia
| | - Parul Mittal
- Adelaide Proteomics Centre, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Institute of Photonics and Advanced Sensing (IPAS), University of Adelaide, Adelaide, South Australia, Australia
| | - Noor A Lokman
- Discipline of Obstetrics and Gynaecology, School of Medicine, Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia
| | - Manuela Klingler-Hoffmann
- Adelaide Proteomics Centre, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Future Industries Institute, University of South Australia, Adelaide, South Australia, Australia
| | - Martin K Oehler
- Discipline of Obstetrics and Gynaecology, School of Medicine, Robinson Research Institute, University of Adelaide, Adelaide, South Australia, Australia.,Department of Gynaecological Oncology, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - Peter Hoffmann
- Adelaide Proteomics Centre, School of Biological Sciences, University of Adelaide, Adelaide, South Australia, Australia.,Future Industries Institute, University of South Australia, Adelaide, South Australia, Australia
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Ignacio RMC, Dong YL, Kabir SM, Choi H, Lee ES, Wilson AJ, Beeghly-Fadiel A, Whalen MM, Son DS. CXCR2 is a negative regulator of p21 in p53-dependent and independent manner via Akt-mediated Mdm2 in ovarian cancer. Oncotarget 2018. [PMID: 29515768 PMCID: PMC5839399 DOI: 10.18632/oncotarget.24231] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Ovarian cancer (OC) has the highest rate of mortality among gynecological malignancy. Chemokine receptor CXCR2 in OC is associated with poor outcomes. However, the mechanisms by which CXCR2 regulates OC proliferation remain poorly understood. We generated CXCR2-positive cells from parental p53 wild-type (WT), mutant and null OC cells, and assessed the roles of CXCR2 on proliferation of OC cells in p53-dependent and independent manner. CXCR2 promoted cell growth rate: p53WT > mutant = null cells. Nutlin-3, a p53 stabilizer, inhibited cell proliferation in p53WT cells, but had little effect in p53-mutant or null cells, indicating p53-dependence of CXCR2-mediated proliferation. CXCR2 decreased p53 protein, a regulator of p21, and downregulated p21 promoter activity only in p53WT cells. The p53 responsive element (RE) of p21 promoter played a critical role in this CXCR2-mediated p21 downregulation. Moreover, CXCR2-positive cells activated more Akt than CXCR2-negative cells followed by enhanced murine double minute (Mdm2). Silencing Mdm2 or Akt1 upregulated p21 expression, whereas Akt1 overexpression downregulated p21 at the promoter and protein levels in p53WT cells. Cell cycle analysis revealed that CXCR2 decreased p21 gene in p53-null cells. Interestingly, romidepsin (histone deacetylase inhibitor)-induced p21 upregulation did not involve the p53 RE in the p21 promoter in p53-null cells. Romidepsin decreased the protein levels of Akt1 and Mdm2, leading to induction of p21 in p53-null cells. CXCR2 reduced romidepsin-induced p21 upregulation by activating Akt-induced Mdm2. Taken together, CXCR2 enhances cell proliferation by suppressing p21 through Akt-Mdm2 signaling in p53-dependent and independent manner.
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Affiliation(s)
- Rosa Mistica C Ignacio
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Yuan-Lin Dong
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Syeda M Kabir
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Hyeongjwa Choi
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
| | - Eun-Sook Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, FL 32301, USA
| | - Andrew J Wilson
- Department of Obstetrics and Gynecology, Vanderbilt University Medical Center, Nashville, TN 37232, USA.,Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN 37203, USA
| | - Alicia Beeghly-Fadiel
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN 37203, USA.,Division of Epidemiology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37203, USA
| | - Margaret M Whalen
- Department of Chemistry, Tennessee State University, Nashville, TN 37209, USA
| | - Deok-Soo Son
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, TN 37208, USA
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Betacellulin induces Slug-mediated down-regulation of E-cadherin and cell migration in ovarian cancer cells. Oncotarget 2018; 7:28881-90. [PMID: 27129169 PMCID: PMC5045363 DOI: 10.18632/oncotarget.7591] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2015] [Accepted: 01/27/2016] [Indexed: 12/21/2022] Open
Abstract
Epithelial ovarian cancer is the leading cause of death among gynaecological cancers. Previous studies have demonstrated that epidermal growth factor receptor (EGFR) ligands can induce ovarian cancer cell invasion by down-regulating E-cadherin. Betacellulin is a unique member of the EGF family. It is overexpressed in a variety of cancers and is associated with reduced survival. However, the biological functions and clinical significance of betacellulin in ovarian cancer remain unknown. In the current study, we tested the hypothesis that betacellulin induces ovarian cancer cell migration by suppressing E-cadherin expression. Treatment of SKOV3 and OVCAR5 ovarian cancer cell lines with betacellulin down-regulated E-cadherin, but not N-cadherin. In addition, betacellulin treatment increased the expression of Snail and Slug, and these effects were completely blocked by pre-treatment with EGFR inhibitor AG1478. Interestingly, only knockdown of Slug reversed the down-regulation of E-cadherin by betacellulin. Betacellulin treatment induced the activation of both the MEK-ERK and PI3K-Akt signaling pathways, and it also significantly increased ovarian cancer cell migration. Importantly, the effects of betacellulin on E-cadherin, Slug and cell migration were attenuated by pre-treatment with either U0126 or LY294002. Our results suggest that betacellulin induces ovarian cancer migration and Slug-dependent E-cadherin down-regulation via EGFR-mediated MEK-ERK and PI3K-Akt signaling.
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Rezk NA, Mohamed RH, Alnemr AA, Harira M. Promoter Methylation of RASSF1A Gene in Egyptian Patients with Ovarian Cancer. Appl Biochem Biotechnol 2017; 185:153-162. [PMID: 29098560 DOI: 10.1007/s12010-017-2648-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Accepted: 10/26/2017] [Indexed: 12/14/2022]
Abstract
Ovarian malignancy is diagnosed in nearly a fourth of a million women internationally every year. Methylation of RASSF1A tumor suppressor gene prompts its inactivation in diseases. In this study, the RASSF1A promoter methylation was detected by methylated-specific PCR and investigated serum RASSF1A protein level through enzyme-linked immunosorbant assay in 160 Egyptian patients with ovarian cancer and 160 healthy controls. The present work proved that there was a higher frequency of RASSF1A methylation and a decrease in its serum level in patients with ovarian cancer compared to controls as well as in the high-grade tumor patients compared to low grade ones and also in advanced ovarian tumor stage compared to early stages. Our study exhibited that RASSF1A promoter hypermethylation and its protein levels may be a reliable and sensitive tool for diagnosing and monitoring of ovarian malignancy patients.
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Affiliation(s)
- Noha A Rezk
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Rasha H Mohamed
- Biochemistry Department, Faculty of Pharmacy, Zagazig University, Zagazig, Egypt
| | - Amr AbdAlmohsen Alnemr
- Obstetrics and Gynecology Departments, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mervat Harira
- Obstetrics and Gynecology Departments, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Zanini E, Louis LS, Antony J, Karali E, Okon IS, McKie AB, Vaughan S, El-Bahrawy M, Stebbing J, Recchi C, Gabra H. The Tumor-Suppressor Protein OPCML Potentiates Anti-EGFR- and Anti-HER2-Targeted Therapy in HER2-Positive Ovarian and Breast Cancer. Mol Cancer Ther 2017; 16:2246-2256. [PMID: 28775148 DOI: 10.1158/1535-7163.mct-17-0081] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 05/22/2017] [Accepted: 07/14/2017] [Indexed: 11/16/2022]
Abstract
Opioid-binding protein/cell adhesion molecule-like (OPCML) is a tumor-suppressor gene that is frequently inactivated in ovarian cancer and many other cancers by somatic methylation. We have previously shown that OPCML exerts its suppressor function by negatively regulating a spectrum of receptor tyrosine kinases (RTK), such as ErbB2/HER2, FGFR1, and EphA2, thus attenuating their related downstream signaling. The physical interaction of OPCML with this defined group of RTKs is a prerequisite for their downregulation. Overexpression/gene amplification of EGFR and HER2 is a frequent event in multiple cancers, including ovarian and breast cancers. Molecular therapeutics against EGFR/HER2 or EGFR only, such as lapatinib and erlotinib, respectively, were developed to target these receptors, but resistance often occurs in relapsing cancers. Here we show that, though OPCML interacts only with HER2 and not with EGFR, the interaction of OPCML with HER2 disrupts the formation of the HER2-EGFR heterodimer, and this translates into a better response to both lapatinib and erlotinib in HER2-expressing ovarian and breast cancer cell lines. Also, we show that high OPCML expression is associated with better response to lapatinib therapy in breast cancer patients and better survival in HER2-overexpressing ovarian cancer patients, suggesting that OPCML co-therapy could be a valuable sensitizing approach to RTK inhibitors. Mol Cancer Ther; 16(10); 2246-56. ©2017 AACR.
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Affiliation(s)
- Elisa Zanini
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Louay S Louis
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Jane Antony
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Evdoxia Karali
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Imoh S Okon
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
- Center for Molecular and Translational Medicine, Georgia State University, Atlanta, Georgia
| | - Arthur B McKie
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
- Department of Medical Genetics, University of Cambridge, Addenbrooke's Treatment Centre, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Sebastian Vaughan
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Mona El-Bahrawy
- Department of Histopathology, Imperial College London, London, United Kingdom
| | - Justin Stebbing
- Department of Surgery and Cancer, Imperial College London, London, United Kingdom
| | - Chiara Recchi
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom.
| | - Hani Gabra
- Ovarian Cancer Action Research Centre, Department of Surgery and Cancer, Imperial College London, London, United Kingdom.
- Clinical Discovery Unit, Early Clinical Development, AstraZeneca, Cambridge, United Kingdom
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Thomas SN, Chen L, Liu Y, Höti N, Zhang H. Targeted Proteomic Analyses of Histone H4 Acetylation Changes Associated with Homologous-Recombination-Deficient High-Grade Serous Ovarian Carcinomas. J Proteome Res 2017; 16:3704-3710. [PMID: 28866885 DOI: 10.1021/acs.jproteome.7b00405] [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] [Indexed: 01/19/2023]
Abstract
Approximately 20% of high-grade serous ovarian cancers are homologous-recombination (HR)-deficient due to genetic and epigenetic mutations of HR pathway genes including the tumor suppressor genes BRCA1 and 2. HR deficiency (HRD) compromises cells' ability to efficiently repair DNA damage, but it also increases sensitivity to chemotherapeutic treatment strategies; however, not all ovarian cancer patients with HRD tumors exhibit positive responses to chemotherapy. Our previous iTRAQ-based comprehensive proteomic characterization of high-grade serous ovarian carcinomas found that lower levels of histone H4 acetylation at Lys12 and Lys16 (H4-K12acK16ac) were associated with HRD tumors compared with non-HRD tumors. In the current study, we developed and validated an H4-K12acK16ac parallel-reaction-monitoring (PRM)-targeted mass-spectrometry-based assay to analyze acetylation changes of histone H4 and to determine the association of these changes with total H4, histone acetyltransferase, and histone deacetylase (HDAC) levels. Whereas the levels of H4 and histone acetyltransferases were stable irrespective of HRD status, the levels of histone H4 acetylation and one HDAC, HDAC6, were elevated in the HRD tumors. Relative H4 acetylation levels were also analyzed by an antibody-based approach in additional ovarian tumors. It is possible that specific H4 acetylation at Lys12 and Lys16 associated with HRD could inform chemotherapeutic treatment modalities to improve ovarian cancer patients' treatment response.
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Affiliation(s)
- Stefani N Thomas
- Department of Pathology, Clinical Chemistry Division, Johns Hopkins University School of Medicine , Baltimore, Maryland 21231, United States
| | - Lijun Chen
- Department of Pathology, Clinical Chemistry Division, Johns Hopkins University School of Medicine , Baltimore, Maryland 21231, United States
| | - Yang Liu
- Department of Pathology, Clinical Chemistry Division, Johns Hopkins University School of Medicine , Baltimore, Maryland 21231, United States
| | - Naseruddin Höti
- Department of Pathology, Clinical Chemistry Division, Johns Hopkins University School of Medicine , Baltimore, Maryland 21231, United States
| | - Hui Zhang
- Department of Pathology, Clinical Chemistry Division, Johns Hopkins University School of Medicine , Baltimore, Maryland 21231, United States
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68
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Zhang R, Shi H, Ren F, Zhang M, Ji P, Wang W, Liu C. The aberrant upstream pathway regulations of CDK1 protein were implicated in the proliferation and apoptosis of ovarian cancer cells. J Ovarian Res 2017; 10:60. [PMID: 28899430 PMCID: PMC5596843 DOI: 10.1186/s13048-017-0356-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2017] [Accepted: 09/05/2017] [Indexed: 11/17/2022] Open
Abstract
Background Upregulation of Cyclin dependent kinase 1 (CDK1) protein is closely related with the prognosis of several malignant tumors. Chk1-CDC25C-CDK1 signaling and P53-P21WAF1-CDK1 signaling pathways are closely related with the cell cycle G2/M phase regulation. The present study aimed to analyze the relationship between CDK1 and the proliferation and apoptosis of ovarian cancer cells, investigate its molecular mechanism preliminarily. Methods The specific short-hair RNA (shRNA) plasmids and negative control plasmid of CDK1, checkpoint kinase 1 (CHK1) and p53 genes were transfected into ovarian cancer SK-OV-3 and OVCAR-3 cells respectively. The expressions of CDK1, CHK1 and p53 mRNA and CDK1, Chk1 and P53 protein were detected by sqRT-PCR and Western blot, levels of phospho-CDK1(Thr14/Tyr15), CyclinB1, phospho-Chk1(ser345), cell division cycle 25C (CDC25C), phospho-CDC25C(ser216), P21WAF1, phospho-P53(ser15), proliferating cell nuclear antigen (PCNA), Ki-67, Bcl-2, Bax, Caspase8, Cleaved-caspase3 and Cytochrome C were examined by Western blot. The cell proliferation was measured by MTT and Trypan blue exclusion assay respectively, the cell cycle phase distribution and cell apoptosis rate were detected by flow cytometry (FCM) assay. Results As results of CDK1 inhibition by shRNA, the cell proliferation was repressed, the cell numbers of G2/M phase and cell apoptosis rate were increased in both SK-OV-3 and OVCAR-3 cells. After knockdown of CDK1, expressions of PCNA, Ki-67 and Bcl-2 protein were downregulated, expressions of Bax, Caspase8, Cleaved-caspase3 and Cytochrome C were upregulated. While knockdown the CHK1 and p53 by shRNA respectively, the similar effects were observed on the cell proliferation, cell cycle phase distribution and apoptosis in both SK-OV-3 and OVCAR-3 cells, as well as the expressions of the proliferation and apoptosis related proteins mentioned above. Moreover, the levels of p-CDK1(Thr14/Tyr15) were increased after either CHK1 inhibition or p53 inhibition. Conclusions Abnormal activation of CDK1 was implicated in the proliferation and apoptosis regulation of ovarian cancer cells, which might be due to the aberrant regulations of the upstream Chk1-CDC25C and P53-P21WAF1 signaling pathway.
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Affiliation(s)
- Ruitao Zhang
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China.
| | - Huirong Shi
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
| | - Fang Ren
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
| | - Minghui Zhang
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
| | - Pengcheng Ji
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
| | - Wenwen Wang
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
| | - Chuanna Liu
- Department of Gynecology, First Affiliated Hospital, Zhengzhou University, NO.1 Jianshe Road, Zhengzhou, 450052, Henan, People's Republic of China
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69
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Overexpressed miR-9 promotes tumor metastasis via targeting E-cadherin in serous ovarian cancer. Front Med 2017; 11:214-222. [DOI: 10.1007/s11684-017-0518-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Accepted: 01/23/2017] [Indexed: 01/15/2023]
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70
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Clinical factors of response in patients with advanced ovarian cancer participating in early phase clinical trials. Eur J Cancer 2017; 76:52-59. [DOI: 10.1016/j.ejca.2017.01.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 01/25/2017] [Indexed: 01/09/2023]
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71
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Ormsby EL, Pavlik EJ, McGahan JP. Ultrasound Monitoring of Extant Adnexal Masses in the Era of Type 1 and Type 2 Ovarian Cancers: Lessons Learned From Ovarian Cancer Screening Trials. Diagnostics (Basel) 2017; 7:diagnostics7020025. [PMID: 28452952 PMCID: PMC5489945 DOI: 10.3390/diagnostics7020025] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 04/11/2017] [Accepted: 04/24/2017] [Indexed: 11/16/2022] Open
Abstract
Women that are positive for an ovarian abnormality in a clinical setting can have either a malignancy or a benign tumor with probability favoring the benign alternative. Accelerating the abnormality to surgery will result in a high number of unnecessary procedures that will place cost burdens on the individual and the health delivery system. Surveillance using serial ultrasonography is a reasonable alternative that can be used to discover if changes in the ovarian abnormality will occur that favor either a malignant or benign interpretation. Several ovarian cancer screening trials have had extensive experiences with changes in subclinical ovarian abnormalities in normal women that can define growth, stability or resolution and give some idea of the time frame over which changes occur. The present report examines these experiences and relates them to the current understanding of ovarian cancer ontology, presenting arguments related to the benefits of surveillance.
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Affiliation(s)
- Eleanor L Ormsby
- Department of Radiology, University of California Davis Medical Center, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA.
- Department of Radiology, Kaiser Permanente Sacramento, 2025 Morse Ave, CA 95825, USA.
| | - Edward J Pavlik
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536, USA.
| | - John P McGahan
- Department of Radiology, University of California Davis Medical Center, 4860 Y Street, Suite 3100, Sacramento, CA 95817, USA.
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72
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Smith CG. A Resident's Perspective of Ovarian Cancer. Diagnostics (Basel) 2017; 7:E24. [PMID: 28448435 PMCID: PMC5489944 DOI: 10.3390/diagnostics7020024] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Revised: 04/12/2017] [Accepted: 04/20/2017] [Indexed: 12/20/2022] Open
Abstract
Identifying, understanding, and curing disease is a lifelong endeavor for any medical practitioner. Equally as important is to be cognizant of the impact a disease has on the individual suffering from it, as well as on their family. Ovarian cancer is the leading cause of death from gynecologic malignancies. Symptoms are vague, and the disease is generally at an advanced stage at diagnosis. Efforts have been made to develop methods to identify ovarian cancer at earlier stages, thus improving overall mortality. Transvaginal ultrasound (TVUS), with and without laboratory tests, can be used to screen for ovarian cancer. For over thirty years, the University of Kentucky Markey Cancer Center Ovarian Cancer Screening Program has been studying the efficacy of TVUS for detecting early stage ovarian cancer. After 285,000+ TVUS examinations provided to over 45,000 women, the program has demonstrated that regular TVUS examinations can detect ovarian cancer at early stages, and that survival is increased in those women whose ovarian cancer was detected with screening and who undergo standard treatment. These results demonstrate the utility of TVUS as an efficacious method of ovarian cancer screening.
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Affiliation(s)
- Christopher G Smith
- Department of Obstetrics & Gynecology, University of Kentucky Medical Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
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73
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Anti-tumour activity of tivozanib, a pan-inhibitor of VEGF receptors, in therapy-resistant ovarian carcinoma cells. Sci Rep 2017; 7:45954. [PMID: 28383032 PMCID: PMC5382685 DOI: 10.1038/srep45954] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Accepted: 03/08/2017] [Indexed: 01/18/2023] Open
Abstract
Epithelial ovarian cancer (EOC) is the most fatal gynaecological malignancy. Despite initial therapeutic response, the majority of advanced-stage patients relapse and succumb to chemoresistant disease. Overcoming drug resistance is the key to successful treatment of EOC. Members of vascular endothelial growth factor (VEGF) family are overexpressed in EOC and play key roles in its malignant progression though their contribution in development of the chemoresistant disease remains elusive. Here we show that expression of the VEGF family is higher in therapy-resistant EOC cells compared to sensitive ones. Overexpression of VEGFR2 correlated with resistance to cisplatin and combination with VEGFR2-inhibitor apatinib synergistically increased cisplatin sensitivity. Tivozanib, a pan-inhibitor of VEGF receptors, reduced proliferation of the chemoresistant EOC cells through induction of G2/M cell cycle arrest and apoptotic cell death. Tivozanib decreased invasive potential of these cells, concomitant with reduction of intercellular adhesion molecule-1 (ICAM-1) and diminishing the enzymatic activity of urokinase-type plasminogen activator (uPA) and matrix metalloproteinase-2 (MMP-2). Moreover, tivozanib synergistically enhanced anti-tumour effects of EGFR-directed therapies including erlotinib. These findings suggest that the VEGF pathway has potential as a therapeutic target in therapy-resistant EOC and VEGFR blockade by tivozanib may yield stronger anti-tumour efficacy and circumvent resistance to EGFR-directed therapies.
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74
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Baldwin LA, Chen Q, Tucker TC, White CG, Ore RN, Huang B. Ovarian Cancer Incidence Corrected for Oophorectomy. Diagnostics (Basel) 2017; 7:E19. [PMID: 28368298 PMCID: PMC5489939 DOI: 10.3390/diagnostics7020019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 03/01/2017] [Accepted: 03/18/2017] [Indexed: 01/01/2023] Open
Abstract
Current reported incidence rates for ovarian cancer may significantly underestimate the true rate because of the inclusion of women in the calculations who are not at risk for ovarian cancer due to prior benign salpingo-oophorectomy (SO). We have considered prior SO to more realistically estimate risk for ovarian cancer. Kentucky Health Claims Data, International Classification of Disease 9 (ICD-9) codes, Current Procedure Terminology (CPT) codes, and Kentucky Behavioral Risk Factor Surveillance System (BRFSS) Data were used to identify women who have undergone SO in Kentucky, and these women were removed from the at-risk pool in order to re-assess incidence rates to more accurately represent ovarian cancer risk. The protective effect of SO on the population was determined on an annual basis for ages 5-80+ using data from the years 2009-2013. The corrected age-adjusted rates of ovarian cancer that considered SO ranged from 33% to 67% higher than age-adjusted rates from the standard population. Correction of incidence rates for ovarian cancer by accounting for women with prior SO gives a better understanding of risk for this disease faced by women. The rates of ovarian cancer were substantially higher when SO was taken into consideration than estimates from the standard population.
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Affiliation(s)
- Lauren A Baldwin
- The Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky College of Medicine, 800 Rose Street, 330 Whitney-Hendrickson Building, Lexington, KY 40536, USA.
| | - Quan Chen
- Division of Cancer Biostatistics, College of Public Health & Biostatistics Shared Resource Facility, Markey Cancer Center, University of Kentucky, Lexington, KY 40506, USA.
| | - Thomas C Tucker
- Department of Epidemiology, College of Public Health & Kentucky Cancer Registry, Markey Cancer Center, University of Kentucky, Lexington, KY 40506, USA.
| | - Connie G White
- Kentucky Department for Public Health, Frankfort, KY 40601, USA.
| | - Robert N Ore
- The Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky College of Medicine, 800 Rose Street, 330 Whitney-Hendrickson Building, Lexington, KY 40536, USA.
| | - Bin Huang
- Division of Cancer Biostatistics, College of Public Health & Biostatistics Shared Resource Facility, Markey Cancer Center, University of Kentucky, Lexington, KY 40506, USA.
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Baldwin LA, Pavlik EJ, Ueland E, Brown HE, Ladd KM, Huang B, DeSimone CP, van Nagell JR, Ueland FR, Miller RW. Complications from Surgeries Related to Ovarian Cancer Screening. Diagnostics (Basel) 2017; 7:diagnostics7010016. [PMID: 28282907 PMCID: PMC5373025 DOI: 10.3390/diagnostics7010016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 02/24/2017] [Accepted: 02/28/2017] [Indexed: 01/07/2023] Open
Abstract
The aim of this study was to evaluate complications of surgical intervention for participants in the Kentucky Ovarian Cancer Screening Program and compare results to those of the Prostate, Lung, Colorectal and Ovarian Cancer Screening trial. A retrospective database review included 657 patients who underwent surgery for a positive screen in the Kentucky Ovarian Cancer Screening Program from 1988–2014. Data were abstracted from operative reports, discharge summaries, and office notes for 406 patients. Another 142 patients with incomplete records were interviewed by phone. Complete information was available for 548 patients. Complications were graded using the Clavien–Dindo (C–D) Classification of Surgical Complications and considered minor if assigned Grade I (any deviation from normal course, minor medications) or Grade II (other pharmacological treatment, blood transfusion). C–D Grade III complications (those requiring surgical, endoscopic, or radiologic intervention) and C–D Grade IV complications (those which are life threatening) were considered “major”. Statistical analysis was performed using SAS 9.4 software. Complications were documented in 54/548 (10%) subjects. For women with malignancy, 17/90 (19%) had complications compared to 37/458 (8%) with benign pathology (p < 0.003). For non-cancer surgery, obesity was associated with increased complications (p = 0.0028). Fifty patients had minor complications classified as C–D Grade II or less. Three of 4 patients with Grade IV complications had malignancy (p < 0.0004). In the Prostate, Lung, Colorectal and Ovarian Cancer Screening trial, 212 women had surgery for ovarian malignancy, and 95 had at least one complication (45%). Of the 1080 women with non-cancer surgery, 163 had at least one complication (15%). Compared to the Prostate, Lung, Colorectal and Ovarian Cancer Screening trial, the Kentucky Ovarian Cancer Screening Program had significantly fewer complications from both cancer and non-cancer surgery (p < 0.0001 and p = 0.002, respectively). Complications resulting from surgery performed as a result of the Kentucky Ovarian Cancer Screening Program were infrequent and significantly fewer than reported in the Prostate, Lung, Colorectal and Ovarian Cancer Screening trial. Complications were mostly minor (93%) and were more common in cancer versus non-cancer surgery.
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Affiliation(s)
- Lauren A Baldwin
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Edward J Pavlik
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Emma Ueland
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Hannah E Brown
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Kelsey M Ladd
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Bin Huang
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Christopher P DeSimone
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - John R van Nagell
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Frederick R Ueland
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
| | - Rachel W Miller
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, 800 Rose Street, Lexington, KY 40536-0293, USA.
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The Role of Opportunistic Bilateral Salpingectomy vs Tubal Occlusion or Ligation for Ovarian Cancer Prophylaxis. J Minim Invasive Gynecol 2017; 24:371-378. [DOI: 10.1016/j.jmig.2017.01.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2016] [Revised: 12/31/2016] [Accepted: 01/04/2017] [Indexed: 01/11/2023]
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77
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Preoperative red cell distribution width and neutrophil-to-lymphocyte ratio predict survival in patients with epithelial ovarian cancer. Sci Rep 2017; 7:43001. [PMID: 28223716 PMCID: PMC5320446 DOI: 10.1038/srep43001] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Accepted: 01/18/2017] [Indexed: 12/14/2022] Open
Abstract
Several parameters of preoperative complete blood count (CBC) and inflammation-associated blood cell markers derived from them have been reported to correlate with prognosis in patients with epithelial ovarian cancer (EOC), but their prognostic importance and optimal cutoffs are still needed be elucidated. Clinic/pathological parameters, 5-year follow-up data and preoperative CBC parameters were obtained retrospectively in 654 EOC patients underwent primary surgery at Mayo Clinic. Cutoffs for neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and monocyte-to-lymphocyte ratio (MLR) were optimized by receiver operating characteristic (ROC) curve. Prognostic significance for overall survival (OS) and recurrence free survival (RFS) were determined by Cox proportional hazards models and Kaplan-Meier method. Associations of RDW and NLR with clinic/pathological parameters were analyzed using non-parametric tests. RDW with cutoff 14.5 and NLR with cutoff 5.25 had independent prognostic significance for OS, while combined RDW and NLR scores stratified patients into low (RDW-low and NLR-low), intermediate (RDW-high or NLR-high) and high risk (RDW-high and NLR-high) groups, especially in patients with high-grade serous ovarian cancer (HGSOC). Moreover, high NLR was associated with poor RFS as well. Elevated RDW was strongly associated with age, whereas high NLR was strongly associated with stage, preoperative CA125 level and ascites at surgery.
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78
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The Potential of Targeting Ribosome Biogenesis in High-Grade Serous Ovarian Cancer. Int J Mol Sci 2017; 18:ijms18010210. [PMID: 28117679 PMCID: PMC5297839 DOI: 10.3390/ijms18010210] [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: 12/20/2016] [Revised: 01/07/2017] [Accepted: 01/12/2017] [Indexed: 02/06/2023] Open
Abstract
Overall survival for patients with ovarian cancer (OC) has shown little improvement for decades meaning new therapeutic options are critical. OC comprises multiple histological subtypes, of which the most common and aggressive subtype is high-grade serous ovarian cancer (HGSOC). HGSOC is characterized by genomic structural variations with relatively few recurrent somatic mutations or dominantly acting oncogenes that can be targeted for the development of novel therapies. However, deregulation of pathways controlling homologous recombination (HR) and ribosome biogenesis has been observed in a high proportion of HGSOC, raising the possibility that targeting these basic cellular processes may provide improved patient outcomes. The poly (ADP-ribose) polymerase (PARP) inhibitor olaparib has been approved to treat women with defects in HR due to germline BRCA mutations. Recent evidence demonstrated the efficacy of targeting ribosome biogenesis with the specific inhibitor of ribosomal RNA synthesis, CX-5461 in v-myc avian myelocytomatosis viral oncogene homolog (MYC)-driven haematological and prostate cancers. CX-5461 has now progressed to a phase I clinical trial in patients with haematological malignancies and phase I/II trial in breast cancer. Here we review the currently available targeted therapies for HGSOC and discuss the potential of targeting ribosome biogenesis as a novel therapeutic approach against HGSOC.
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Rojas V, Hirshfield KM, Ganesan S, Rodriguez-Rodriguez L. Molecular Characterization of Epithelial Ovarian Cancer: Implications for Diagnosis and Treatment. Int J Mol Sci 2016; 17:E2113. [PMID: 27983698 PMCID: PMC5187913 DOI: 10.3390/ijms17122113] [Citation(s) in RCA: 147] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2016] [Revised: 11/30/2016] [Accepted: 12/06/2016] [Indexed: 12/27/2022] Open
Abstract
Epithelial ovarian cancer is a highly heterogeneous disease characterized by multiple histological subtypes. Molecular diversity has been shown to occur within specific histological subtypes of epithelial ovarian cancer, between different tumors of an individual patient, as well as within individual tumors. Recent advances in the molecular characterization of epithelial ovarian cancer tumors have provided the basis for a simplified classification scheme in which these cancers are classified as either type I or type II tumors, and these two categories have implications regarding disease pathogenesis and prognosis. Molecular analyses, primarily based on next-generation sequencing, otherwise known as high-throughput sequencing, are allowing for further refinement of ovarian cancer classification, facilitating the elucidation of the site(s) of precursor lesions of high-grade serous ovarian cancer, and providing insight into the processes of clonal selection and evolution that may be associated with development of chemoresistance. Potential therapeutic targets have been identified from recent molecular profiling studies of these tumors, and the effectiveness and safety of a number of specific targeted therapies have been evaluated or are currently being studied for the treatment of women with this disease.
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Affiliation(s)
- Veronica Rojas
- Department Obstetrics/Gynecology and Reproductive Sciences, Rutgers Robert Wood Johnson Medical School, 125 Paterson Street, New Brunswick, NJ 08901, USA.
| | - Kim M Hirshfield
- Department of Medicine, Division of Medical Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
- Precision Medicine Oncology, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
| | - Shridar Ganesan
- Department of Medicine, Division of Medical Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
- Precision Medicine Oncology, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
| | - Lorna Rodriguez-Rodriguez
- Precision Medicine Oncology, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
- Department Obstetrics/Gynecology and Reproductive Sciences, Division of Gynecologic Oncology, Rutgers Robert Wood Johnson Medical School, Rutgers Cancer Institute of New Jersey, 195 Little Albany Street, New Brunswick, NJ 08903, USA.
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80
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Wang G, Su C, Yin T. Paclitaxel and platinum-based chemotherapy results in transient dyslipidemia in cancer patients. Mol Clin Oncol 2016; 6:261-265. [PMID: 28357107 DOI: 10.3892/mco.2016.1107] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 08/19/2016] [Indexed: 02/05/2023] Open
Abstract
Paclitaxel and cisplatin (TP) are common chemotherapeutic agents extensively used for treating lung and esophageal cancers. The present study reported three patients with transient hypertriglyceridemia (HTG) following TP chemotherapy. Serum triglyceride (TG) levels returned to baseline at chemotherapy intermission. No patient had any history of HTG or any evidence of pancreatitis or other complications of HTG. No regular elevation of any other serum lipids, including cholesterol, high-density lipoprotein and low-density lipoprotein, was observed. However, treatment of mice with TP decreased TG and slightly increased cholesterol. The findings of the present study suggested that TP chemotherapy results in transient dyslipidemia, and physicians must monitor TG levels during chemotherapy to avoid TG-associated complications.
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Affiliation(s)
- Guoping Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan 610041, P.R. China
| | - Chao Su
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan 610041, P.R. China
| | - Tao Yin
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center of Biotherapy, Chengdu, Sichuan 610041, P.R. China
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81
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Comparative transcriptome analysis links distinct peritoneal tumor spread types, miliary and non-miliary, with putative origin, tubes and ovaries, in high grade serous ovarian cancer. Cancer Lett 2016; 388:158-166. [PMID: 27940126 DOI: 10.1016/j.canlet.2016.11.034] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2016] [Revised: 11/27/2016] [Accepted: 11/28/2016] [Indexed: 01/18/2023]
Abstract
High grade serous ovarian cancer (HGSOC) is characterized by extensive local, i.e. peritoneal, tumor spread, manifested in two different clinical presentations, miliary (many millet sized peritoneal implants) and non-miliary (few large exophytically growing peritoneal nodes), and an overall unfavorable outcome. HGSOC is thought to arise from fallopian tube secretory epithelial cells, via so called serous tubal intraepithelial carcinomas (STICs) but an ovarian origin was never ruled out for at least some cases. Comparative transcriptome analyses of isolated tumor cells from fresh HGSOC tissues and (immortalized) ovarian surface epithelial and fallopian tube secretory epithelial cell lines revealed a close relation between putative origin and tumor spread characteristic, i.e. miliary from tubes and non-miliary from ovaries. The latter were characterized by more mesenchymal cell characteristics, more adaptive tumor immune infiltration, and a favorable overall survival. Several molecular sub-classification systems (Crijns' overall survival signature, Yoshihara's subclasses, and a collagen-remodeling signature) seem to already indicate origin. Putative origin alone is a significant independent predictor for HGSOC outcome, validated in independent patient cohorts. Characteristics of both spread types could guide development of new targeted therapeutics, which are urgently needed.
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82
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Li Y, Zhang HL, Kang S, Zhou RM, Wang N. The effect of polymorphisms in PD-1 gene on the risk of epithelial ovarian cancer and patients' outcomes. Gynecol Oncol 2016; 144:140-145. [PMID: 27836206 DOI: 10.1016/j.ygyno.2016.11.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Revised: 11/03/2016] [Accepted: 11/04/2016] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Programmed death-1 (PD-1), an important immunosuppressive molecule, plays a key role in tumor-cell-mediated immune escape. In the present study, we evaluated the effect of PD-1 gene polymorphisms on the risk of developing epithelial ovarian cancer (EOC) and patients' outcomes. METHODS A case-control study was performed in 620 EOC patients and 620 control women. Survival data were available for 258 patients who received platinum-based chemotherapy after cytoreductive surgery. RESULTS There were significant differences in the genotype and allele distribution frequencies of the PD-1.1 A/G between cases and controls (P=0.028 and P=0.02, respectively). Compared with the AA genotype, AG and GG genotypes may significantly decrease the risk of developing EOC (OR=0.71, 95%CI=0.54-0.94; OR=0.68, 95%CI=0.50-0.94, respectively). We did not find a significant difference in the genotype distribution frequency of the PD-1.5 C/T between cases and controls (P=0.096), but the frequency of T alleles was significantly lower in the EOC cases than that in the controls (P=0.033). Compared to the carriers with C alleles, the carriers with T alleles were at a significantly decreased risk of developing EOC (OR=0.82, 95%CI=0.69-0.98). Survival analysis showed that the two polymorphisms were not associated with patients' outcomes. CONCLUSIONS PD-1 gene polymorphisms may be involved in the development of EOC, but not associated with its clinical outcome in EOC patients among northern Chinese women.
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Affiliation(s)
- Yan Li
- Department of Molecular Biology, Hebei Medical University, Fourth Hospital, Shijiazhuang, China.
| | - Hui-Lan Zhang
- Department of Obstetrics and Gynaecology, Hebei Medical University, Fourth Hospital, Shijiazhuang, China
| | - Shan Kang
- Department of Obstetrics and Gynaecology, Hebei Medical University, Fourth Hospital, Shijiazhuang, China
| | - Rong-Miao Zhou
- Department of Molecular Biology, Hebei Medical University, Fourth Hospital, Shijiazhuang, China
| | - Na Wang
- Department of Molecular Biology, Hebei Medical University, Fourth Hospital, Shijiazhuang, China
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83
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Yu X, Zhang Y, Chen H. LPA receptor 1 mediates LPA-induced ovarian cancer metastasis: an in vitro and in vivo study. BMC Cancer 2016; 16:846. [PMID: 27809800 PMCID: PMC5096330 DOI: 10.1186/s12885-016-2865-1] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Accepted: 10/06/2016] [Indexed: 12/31/2022] Open
Abstract
Background The facts that LPA is present at high concentration in ovarian cancer patients’ ascites and it may serve as a stimulator to cell migration, implicate the role of LPA in the ovarian cancer metastasis. Since LPA mediates various biological functions through its interaction with LPA receptors, we aim to investigate the correlation between the expression of LPA receptors and the metastasis of ovarian cancer. Methods To test whether the LPA responsiveness correlated with the metastatic capability of ovarian cancer cells, we performed LPA induced invasion assay and peritoneal metastatic colonization assay with a panel of established human ovarian cancer cell lines. The expression of LPAR1-3 in different ovarian cancer lines was examined by qRT-PCR. We also tested the effects of LPAR1 inhibition or overexpression on ovarian cancer cell's invasiveness. To confirm our laboratory results, we detected LPARs expression in specimens from 52 ovarian cancer patients by qRT-PCR and immunohistochemistry. Results Thirteen ovarian cancer cells were enrolled in the invasion assay. Ovarian cancer cell lines which responded well to LPA-induced invasion, also displayed good capability for metastatic colonization. On the contrary, cell lines with poor LPA responsiveness showed inferior metastatic potential in peritoneal colonization assay. High expression level of LPAR1 was detected in all of the metastatic ovarian cancer cell lines. T-test showed that LPAR1, not LPAR2 or LPAR3, expression was significantly higher in the metastatic cell lines than in the non-metastatic cell lines (P = 0.003). Furthermore, silencing LPAR1 alone could significantly reduce LPA-induced invasion (P < 0.001). Finally, we analyzed the correlation between the LPARs expression and clinicopathological features of the clinical cases. It indicated that LPAR1 expression rate increased significantly along with the more advanced stages (stage I: 16.67 %; II 50.00 %; III: 75.00 %; and IV: 100.00 %; P = 0.003). Besides that, LPAR1 expression was detected in all the 13 cases with abdominal metastasis more than 2 cm, 10 cases with retroperitoneal lymph node metastasis and 6 cases with hepatic metastasis. Moreover, the expression rate of LPAR2 significantly increased in ovarian cancer than in normal specimens (P = 0.039). LPAR3 expression showed the same trend as LPAR2, though the difference is not statistically significant (P = 0.275). Besides that LPAR2 and LPAR3 expression increased along with poorer differentiation (P = 0.002, P = 0.034, respectively). Conclusions Metastatic capability of ovarian cancer cells correlated well with their responsiveness to LPA for cell invasion. LPAR1 acts as the main mediator responsible for LPA-stimulated ovarian cancer cell invasion. LPAR2 and LPAR3 might play an role in carcinogenesis of ovarian cancer.
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Affiliation(s)
- Xuechen Yu
- Department of Gynaecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Yuanzhen Zhang
- Department of Gynaecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China
| | - Huijun Chen
- Department of Gynaecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan, 430071, Hubei, China.
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84
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Wen B, Campbell KR, Tilbury K, Nadiarnykh O, Brewer MA, Patankar M, Singh V, Eliceiri KW, Campagnola PJ. 3D texture analysis for classification of second harmonic generation images of human ovarian cancer. Sci Rep 2016; 6:35734. [PMID: 27767180 PMCID: PMC5073303 DOI: 10.1038/srep35734] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2016] [Accepted: 10/03/2016] [Indexed: 01/28/2023] Open
Abstract
Remodeling of the collagen architecture in the extracellular matrix (ECM) has been implicated in ovarian cancer. To quantify these alterations we implemented a form of 3D texture analysis to delineate the fibrillar morphology observed in 3D Second Harmonic Generation (SHG) microscopy image data of normal (1) and high risk (2) ovarian stroma, benign ovarian tumors (3), low grade (4) and high grade (5) serous tumors, and endometrioid tumors (6). We developed a tailored set of 3D filters which extract textural features in the 3D image sets to build (or learn) statistical models of each tissue class. By applying k-nearest neighbor classification using these learned models, we achieved 83–91% accuracies for the six classes. The 3D method outperformed the analogous 2D classification on the same tissues, where we suggest this is due the increased information content. This classification based on ECM structural changes will complement conventional classification based on genetic profiles and can serve as an additional biomarker. Moreover, the texture analysis algorithm is quite general, as it does not rely on single morphological metrics such as fiber alignment, length, and width but their combined convolution with a customizable basis set.
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Affiliation(s)
- Bruce Wen
- Department of Medical Physics, University of Wisconsin- Madison, Madison, WI 53706, USA.,Morgridge Institute for Research, Madison, WI 53715, USA
| | - Kirby R Campbell
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Karissa Tilbury
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Oleg Nadiarnykh
- VU Medical Center, VU University Amsterdam, Amsterdam, Netherlands
| | - Molly A Brewer
- Department of Obstetrics and Gynecology, University of Connecticut Health Center, Farmington, CT 06030, USA
| | - Manish Patankar
- Department of Obstetrics and Gynecology, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Vikas Singh
- Department of Biostatistics and Medical Informatics, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Kevin W Eliceiri
- Morgridge Institute for Research, Madison, WI 53715, USA.,Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Paul J Campagnola
- Department of Medical Physics, University of Wisconsin- Madison, Madison, WI 53706, USA.,Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
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85
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Ignacio RMC, Kabir SM, Lee ES, Adunyah SE, Son DS. NF-κB-Mediated CCL20 Reigns Dominantly in CXCR2-Driven Ovarian Cancer Progression. PLoS One 2016; 11:e0164189. [PMID: 27723802 PMCID: PMC5056735 DOI: 10.1371/journal.pone.0164189] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 09/19/2016] [Indexed: 12/19/2022] Open
Abstract
Ovarian cancer is an inflammation-associated malignancy with a high mortality rate. CXCR2 expressing ovarian cancers are aggressive with poorer outcomes. We previously demonstrated that CXCR2-driven ovarian cancer progression potentiated NF-κB activation through EGFR-transactivated Akt. Here, we identified the chemokine signature involved in CXCR2-driven ovarian cancer progression using a mouse peritoneal xenograft model for ovarian cancer spreading with CXCR2-negative (SKA) and positive (SKCXCR2) cells generated previously from parental SKOV-3 cells. Compared to SKA bearing mice, SKCXCR2 bearing mice had the following characteristics: 1) shorter survival time, 2) greater tumor spreading in the peritoneal cavity and 3) higher tumor weight in the omentum and pelvic site. Particularly, SKCXCR2-derived tumor tissues induced higher activation of the NF-κB signaling pathway, while having no change in EGFR-activated signaling such as Raf, MEK, Akt, mTOR and Erk compared to SKA-derived tumors. Chemokine PCR array revealed that CCL20 mRNA levels were significantly increased in SKCXCR2-derived tumor tissues. The CCL20 promoter activity was regulated by NF-κB dependent pathways. Interestingly, all three κB-like sites in the CCL20 promoter were involved in regulating CCL20 and the proximal region between -92 and -83 was the most critical κB-like site. In addition, SKCXCR2-derived tumor tissues maintained high CCL20 mRNA expression and induced greater CCL24 and CXCR4 compared to SKCXCR2 cells, indicating the shift of chemokine network during the peritoneal spreading of tumor cells via interaction with other cell types in tumor microenvironment. Furthermore, we compared expression profiling array between human ovarian cancer cell lines and tumor tissues based on GEO datasets. The expression profiles in comparison with cell lines revealed that dominant chemokines expressed in ovarian tumor tissues are likely shifted from CXCL1-3 and 8 to CCL20. Taken together, the progression of ovarian cancer in the peritoneal cavity involves NF-κB-mediated CCL20 as a main chemokine network, which is potentiated by CXCR2 expression.
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Affiliation(s)
- Rosa Mistica C. Ignacio
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Syeda M. Kabir
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Eun-Sook Lee
- Department of Pharmaceutical Sciences, College of Pharmacy, Florida A&M University, Tallahassee, Florida, United States of America
| | - Samuel E. Adunyah
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
| | - Deok-Soo Son
- Department of Biochemistry and Cancer Biology, Meharry Medical College, Nashville, Tennessee, United States of America
- * E-mail:
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86
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Battista MJ, Schmidt M, Jakobi S, Cotarelo C, Almstedt K, Heimes AS, Makris GM, Weyer V, Lebrecht A, Hoffmann G, Eichbaum M. c-met is overexpressed in type I ovarian cancer: Results of an investigative analysis in a cohort of consecutive ovarian cancer patients. Oncol Lett 2016; 12:2001-2007. [PMID: 27602128 DOI: 10.3892/ol.2016.4895] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 04/22/2016] [Indexed: 11/06/2022] Open
Abstract
The tyrosine kinase c-met alters signaling cascades such as the BRAF-MAPK and PI3K-PKB pathways. These alterations are involved in the carcinogenesis of type I but not type II ovarian cancer (OC). Therefore, the present study investigated the patterns of c-met expression in a cohort of consecutive patients with OC. c-met expression was determined by immunohistochemical analysis. Differences in c-met overexpression among subgroups of established clinicopathological features, including age, histological subtype, tumor stage, histological grading, post-operative tumor burden and completeness of chemotherapy, were determined by χ2 test. Cox regression analyses were performed to determine the prognostic effect of c-met. Survival rates were estimated using the Kaplan-Meier method. A total of 106 patients were enrolled into the study. c-met was overexpressed in 20.8% of the entire cohort; 35.7% of patients with type I OC and 8.6% of patients with type II OC showed overexpression (P=0.001). However, c-met overexpression was not associated with any other established clinicopathological features (all P-values >0.05). Univariate Cox regression analysis showed that overexpression of c-met was associated neither with progression-free survival (PFS) nor with disease-specific survival (DSS) (P=0.835 and P=0.414, respectively). Kaplan-Meier plots also failed to demonstrate an effect of c-met on the 5-year PFS and DSS rates (P=0.938 and P=0.412, respectively). These findings support the hypotheses that the overexpression of c-met is associated with type I but not type II OC, and that overexpression of c-met does not affect the prognosis of OC.
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Affiliation(s)
- Marco Johannes Battista
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Marcus Schmidt
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Sina Jakobi
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Cristina Cotarelo
- Department of Pathology, University Medical Center Mainz, Mainz D-55131, Germany
| | - Katrin Almstedt
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Anne-Sophie Heimes
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Georgios-Marios Makris
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Veronika Weyer
- Institute of Medical Biostatistics, Epidemiology and Informatics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Antje Lebrecht
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Gerald Hoffmann
- Department of Gynecology and Obstetrics, University Medical Center Mainz, Mainz D-55131, Germany
| | - Michael Eichbaum
- Department of Gynecology and Obstetrics, Marienkrankenhaus Frankfurt, Frankfurt D-60318, Germany
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87
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Pavlik EJ. Ovarian cancer screening effectiveness: A realization from the UK Collaborative Trial of Ovarian Cancer Screening. ACTA ACUST UNITED AC 2016; 12:475-479. [PMID: 27595999 DOI: 10.1177/1745505716666096] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Revised: 07/13/2016] [Accepted: 07/13/2016] [Indexed: 12/15/2022]
Abstract
Effects on survival in the UK Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) was reported in The Lancet, and demonstrate that reductions in disease-specific mortality in this randomized control trial (RCT) indicate that ovarian cancer screening works. The UKCTOCS was large enough for sufficient accrual and follow-up, using two intervention arms: MMS (a multimodal strategy using the biomarker Ca125 combined with ultrasound as a secondary test) and USS (ultrasound alone) compared against a no-screen control group. MMS and USS performed similarly, showing a statistically significant reduction in mortality that increased with follow-up surveillance (8% reduction in years 0-7 vs 28% in years 7-14). The data led to the estimate that 641 screens are needed to prevent one ovarian cancer death.
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Affiliation(s)
- Edward J Pavlik
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, The University of Kentucky Chandler Medical Center and the Markey Cancer Center, Lexington, KY, USA
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88
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Wiedmann MM, Aibara S, Spring DR, Stewart M, Brenton JD. Structural and calorimetric studies demonstrate that the hepatocyte nuclear factor 1β (HNF1β) transcription factor is imported into the nucleus via a monopartite NLS sequence. J Struct Biol 2016; 195:273-281. [PMID: 27346421 PMCID: PMC4991853 DOI: 10.1016/j.jsb.2016.06.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2016] [Revised: 06/20/2016] [Accepted: 06/21/2016] [Indexed: 02/03/2023]
Abstract
The transcription factor hepatocyte nuclear factor 1β (HNF1β) is ubiquitously overexpressed in ovarian clear cell carcinoma (CCC) and is a potential therapeutic target. To explore potential approaches that block HNF1β transcription we have identified and characterised extensively the nuclear localisation signal (NLS) for HNF1β and its interactions with the nuclear protein import receptor, Importin-α. Pull-down assays demonstrated that the DNA binding domain of HNF1β interacted with a spectrum of Importin-α isoforms and deletion constructs tagged with eGFP confirmed that the HNF1β (229)KKMRRNR(235) sequence was essential for nuclear localisation. We further characterised the interaction between the NLS and Importin-α using complementary biophysical techniques and have determined the 2.4Å resolution crystal structure of the HNF1β NLS peptide bound to Importin-α. The functional, biochemical, and structural characterisation of the nuclear localisation signal present on HNF1β and its interaction with the nuclear import protein Importin-α provide the basis for the development of compounds targeting transcription factor HNF1β via its nuclear import pathway.
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Affiliation(s)
- Mareike M Wiedmann
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK; Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
| | - Shintaro Aibara
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK
| | - David R Spring
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK
| | - Murray Stewart
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK.
| | - James D Brenton
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson Way, Cambridge CB2 0RE, UK
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89
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Gong C, Yang Z, Wu F, Han L, Liu Y, Gong W. miR-17 inhibits ovarian cancer cell peritoneal metastasis by targeting ITGA5 and ITGB1. Oncol Rep 2016; 36:2177-83. [DOI: 10.3892/or.2016.4985] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Accepted: 06/21/2016] [Indexed: 11/06/2022] Open
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90
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Wilson AJ, Fadare O, Beeghly-Fadiel A, Son DS, Liu Q, Zhao S, Saskowski J, Uddin MJ, Daniel C, Crews B, Lehmann BD, Pietenpol JA, Crispens MA, Marnett LJ, Khabele D. Aberrant over-expression of COX-1 intersects multiple pro-tumorigenic pathways in high-grade serous ovarian cancer. Oncotarget 2016; 6:21353-68. [PMID: 25972361 PMCID: PMC4673270 DOI: 10.18632/oncotarget.3860] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 04/21/2015] [Indexed: 01/25/2023] Open
Abstract
Cyclooxygenase-1 (COX-1) is implicated in ovarian cancer. However, patterns of COX expression and function have been unclear and controversial. In this report, patterns of COX-1 and COX-2 gene expression were obtained from RNA-seq data through The Cancer Genome Atlas. Our analysis revealed markedly higher COX-1 mRNA expression than COX-2 in high-grade serous ovarian cancers (HGSOC) and higher COX-1 expression in HGSOC tumors than 10 other tumor types. High expression of COX-1 in HGSOC tumors was confirmed in an independent tissue microarray. In contrast, lower or similar expression of COX-1 compared to COX-2 was observed in endometrioid, mucinous and clear cell tumors. Stable COX-1 knockdown in HGSOC-representative OVCAR-3 ovarian cancer cells reduced gene expression in multiple pro-tumorigenic pathways. Functional cell viability, clonogenicity, and migration/invasion assays were consistent with transcriptomic changes. These effects were reversed by stable over-expression of COX-1 in SKOV-3 cells. Our results demonstrate a distinct pattern of COX-1 over-expression in HGSOC tumors and strong association of COX-1 with multiple pro-tumorigenic pathways in ovarian cancer cells. These findings provide additional insight into the role of COX-1 in human ovarian cancer and support further development of methods to selectively target COX-1 in the management of HGSOC tumors.
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Affiliation(s)
- Andrew J Wilson
- Department of Obstetrics & Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Oluwole Fadare
- Department of Pathology, University of California San Diego School of Medicine, La Jolla, CA, USA
| | - Alicia Beeghly-Fadiel
- Department of Medicine, Division of Epidemiology, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Deok-Soo Son
- Department of Biochemistry & Cancer Biology, Meharry Medical College, Nashville, TN, USA
| | - Qi Liu
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt Center for Quantitative Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Shilin Zhao
- Vanderbilt Center for Quantitative Sciences, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Jeanette Saskowski
- Department of Obstetrics & Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Md Jashim Uddin
- Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt Institute of Chemical Biology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Cristina Daniel
- Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt Institute of Chemical Biology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Brenda Crews
- Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt Institute of Chemical Biology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Brian D Lehmann
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA.,Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Jennifer A Pietenpol
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA.,Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Marta A Crispens
- Department of Obstetrics & Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Lawrence J Marnett
- Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA.,Department of Biochemistry, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt Institute of Chemical Biology, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Dineo Khabele
- Department of Obstetrics & Gynecology, Vanderbilt University Medical Center, Nashville, TN, USA.,Vanderbilt-Ingram Cancer Center, Vanderbilt University Medical Center, Nashville, TN, USA
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91
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Zeng F, Wei H, Yeoh E, Zhang Z, Ren ZF, Colditz GA, Tworoger SS, Su X. Inflammatory Markers of CRP, IL6, TNFα, and Soluble TNFR2 and the Risk of Ovarian Cancer: A Meta-analysis of Prospective Studies. Cancer Epidemiol Biomarkers Prev 2016; 25:1231-9. [PMID: 27277846 DOI: 10.1158/1055-9965.epi-16-0120] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Accepted: 05/24/2016] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND There has been growing evidence showing that inflammatory markers play an important role in the development of ovarian cancer. We conducted a meta-analysis on the associations between circulating levels of C-reactive protein (CRP), interleukin 6 (IL6), tumor necrosis factor α (TNFα), and soluble TNFα receptor 2 (TNFR2), and the risk of ovarian cancer. METHODS A systematic search of PubMed and EMBASE up until January 19, 2016 was conducted to retrieve prospective studies. The summary risk estimates were pooled using random-effects models. The dose-response relationship was assessed using generalized least-squares trend estimation. RESULTS Seven nested case-control studies and one prospective cohort study were included in the review. For circulating CRP, women in the highest category had a significantly increased risk of ovarian cancer than women in the lowest category, with no significant between-study heterogeneity [pooled relative risk (RR) = 1.91; 95% confidence intervals (CI) 1.51-2.40; P < 0.001; I(2) = 0.0%]. Influence analyses further supported this positive association. A positive dose-response relationship was also observed (pooled RR = 1.15; 95% CI, 1.03-1.30 per 5 mg/L of CRP). Publication bias was found. However, the association persisted after correction using the trim-and-fill method. No significant association was observed for circulating IL6, TNFα, and soluble TNFR2. CONCLUSION This meta-analysis provides evidence that elevated levels of CRP, but not circulating IL6, TNFα, or soluble TNFR2, are significantly associated with an increased risk of ovarian cancer. IMPACT These results suggest that circulating CRP may play a role in the etiology of ovarian cancer. Cancer Epidemiol Biomarkers Prev; 25(8); 1231-9. ©2016 AACR.
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Affiliation(s)
- Fangfang Zeng
- School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China. CUHK Shenzhen Research Institute, Shenzhen, China
| | - Huishan Wei
- School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China. CUHK Shenzhen Research Institute, Shenzhen, China
| | - Engkiong Yeoh
- School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China. CUHK Shenzhen Research Institute, Shenzhen, China
| | - Zheqing Zhang
- Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China
| | - Ze-Fang Ren
- School of Public Health, Sun Yat-sen University, Guangzhou, China
| | - Graham A Colditz
- Alvin J. Siteman Cancer Center and Department of Surgery, Washington University School of Medicine, St. Louis, Missouri
| | - Shelley S Tworoger
- Channing Division of Network Medicine, Harvard Medical School and the Brigham and Women's Hospital, Boston, Massachusetts. Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts.
| | - Xuefen Su
- School of Public Health and Primary Care, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China. CUHK Shenzhen Research Institute, Shenzhen, China.
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92
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Lefringhouse JR, Neward E, Ueland FR, Baldwin LA, Miller RW, DeSimone CP, Kryscio RJ, van Nagell JR, Pavlik EJ. Probability of fallopian tube and ovarian detection with transvaginal ultrasonography in normal women. ACTA ACUST UNITED AC 2016; 12:303-11. [PMID: 27189894 PMCID: PMC5384515 DOI: 10.2217/whe.15.111] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Objective: Some ovarian malignancies may originate in the fallopian tube. The feasibility of ultrasonographically visualizing the fallopian tube is presented. Methods: In total, 549 normal women participated in the fallopian tube visualization trial, while ovarian visualization was studied in 43,521. Chi-square analysis, t-tests and multivariate analysis determined significance and interactions. Results: Ovaries were observed in 82.7% while fallopian tubes were detected in 77.2% of women and 85.2% of the time when an ovary was detected. Age, BMI or parity was not significantly different when one or both fallopian tubes were visualized. Elevated BMI had slightly greater influence than age in limiting visualization of the fallopian tubes in multivariate analysis. Conclusion: Fallopian tubes can often be identified sonographically. Ovarian visualization provides the strongest indicator favoring fallopian tube detection. Thus, ultrasonographic examinations for adnexal cancer could include evaluation of fallopian tubes even in women >60 years and in women with BMI ≥25.
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Affiliation(s)
- Jason R Lefringhouse
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Erin Neward
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Frederick R Ueland
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Lauren A Baldwin
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Rachel W Miller
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Christopher P DeSimone
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Richard J Kryscio
- Department of Statistics, University of Kentucky, Lexington, KY 40536-0293, USA
| | - John R van Nagell
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
| | - Edward J Pavlik
- Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, University of Kentucky Chandler Medical Center-Markey Cancer Center, Lexington, KY 40536-0293, USA
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93
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Salehi HS, Li H, Merkulov A, Kumavor PD, Vavadi H, Sanders M, Kueck A, Brewer MA, Zhu Q. Coregistered photoacoustic and ultrasound imaging and classification of ovarian cancer: ex vivo and in vivo studies. JOURNAL OF BIOMEDICAL OPTICS 2016; 21:46006. [PMID: 27086690 PMCID: PMC4833884 DOI: 10.1117/1.jbo.21.4.046006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Accepted: 03/24/2016] [Indexed: 05/20/2023]
Abstract
Most ovarian cancers are diagnosed at advanced stages due to the lack of efficacious screening techniques. Photoacoustic tomography (PAT) has a potential to image tumor angiogenesis and detect early neovascular changes of the ovary. We have developed a coregistered PAT and ultrasound (US) prototype system for real-time assessment of ovarian masses. Features extracted from PAT and US angular beams, envelopes, and images were input to a logistic classifier and a support vector machine (SVM) classifier to diagnose ovaries as benign or malignant. A total of 25 excised ovaries of 15 patients were studied and the logistic and SVM classifiers achieved sensitivities of 70.4 and 87.7%, and specificities of 95.6 and 97.9%, respectively. Furthermore, the ovaries of two patients were noninvasively imaged using the PAT/US system before surgical excision. By using five significant features and the logistic classifier, 12 out of 14 images (86% sensitivity) from a malignant ovarian mass and all 17 images (100% specificity) from a benign mass were accurately classified; the SVM correctly classified 10 out of 14 malignant images (71% sensitivity) and all 17 benign images (100% specificity). These initial results demonstrate the clinical potential of the PAT/US technique for ovarian cancer diagnosis.
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Affiliation(s)
- Hassan S. Salehi
- University of Connecticut, Department of Electrical and Computer Engineering, Storrs, Connecticut 06269, United States
| | - Hai Li
- University of Connecticut, Department of Electrical and Computer Engineering, Storrs, Connecticut 06269, United States
| | - Alex Merkulov
- University of Connecticut Health Center, Division of Radiology, Farmington, Connecticut 06030, United States
| | - Patrick D. Kumavor
- University of Connecticut, Department of Biomedical Engineering, Storrs, Connecticut 06269, United States
| | - Hamed Vavadi
- University of Connecticut, Department of Biomedical Engineering, Storrs, Connecticut 06269, United States
| | - Melinda Sanders
- University of Connecticut Health Center, Department of Pathology, Farmington, Connecticut 06030, United States
| | - Angela Kueck
- University of Connecticut Health Center, Division of Gynecologic Oncology, Farmington, Connecticut 06030, United States
| | - Molly A. Brewer
- University of Connecticut Health Center, Division of Gynecologic Oncology, Farmington, Connecticut 06030, United States
| | - Quing Zhu
- University of Connecticut, Department of Electrical and Computer Engineering, Storrs, Connecticut 06269, United States
- University of Connecticut, Department of Biomedical Engineering, Storrs, Connecticut 06269, United States
- Address all correspondence to: Quing Zhu, E-mail:
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94
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Endris V, Stenzinger A, Pfarr N, Penzel R, Möbs M, Lenze D, Darb-Esfahani S, Hummel M, Sabine-Merkelbach-Bruse, Jung A, Lehmann U, Kreipe H, Kirchner T, Büttner R, Jochum W, Höfler G, Dietel M, Weichert W, Schirmacher P. NGS-based BRCA1/2 mutation testing of high-grade serous ovarian cancer tissue: results and conclusions of the first international round robin trial. Virchows Arch 2016; 468:697-705. [PMID: 27003155 DOI: 10.1007/s00428-016-1919-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 12/17/2015] [Accepted: 02/25/2016] [Indexed: 01/03/2023]
Abstract
With the approval of olaparib as monotherapy treatment in platinum-sensitive, relapsed high-grade serous ovarian cancer by the European Medical Agency (EMA), comprehensive genotyping of BRCA1 and BRCA2 in tumor tissue has become a mandatory pre-therapeutic test. This requires significant advances in routine tumor test methodologies due to the large size of both genes and the lack of mutational hot spots. Classical focused screening approaches, like Sanger sequencing, do not allow for a sensitive, rapid, and economic analysis of tumor tissue. Next-generation sequencing (NGS) approaches employing targeted panels for BRCA1/2 to interrogate formalin-fixed and paraffin-embedded tumor samples from either surgical resection or biopsy specimens can overcome these limitations. Although focused NGS methods have been implemented by few centers in routine molecular diagnostics for the analysis of some druggable oncogenic mutations, the reliable diagnostic testing of the entire coding regions of BRCA1 and BRCA2 was a new challenge requiring extensive technological improvement and quality management. Here, we describe the implementation and results of the first round robin trial for BRCA1/2 mutation testing in tumor tissue that was conducted in central Europe on May 2015, shortly after the approval and prior to the official release of olaparib. The high success rate of 81 % (21/26 test centers) demonstrates that BRCA1/2 multicenter mutation testing is well feasible in FFPE tumor tissue, extending to other tumor entities beyond ovarian cancer. The high number of test centers passing the trial demonstrates the success of the concerted efforts by German, Swiss, and Austrian pathology centers to ensure quality-controlled NGS-based testing and proves the potential of this technology in routine molecular pathology. On the basis of our results, we provide recommendations for predictive testing of tumor tissue for BRCA1/2 to clinical decision making in ovarian cancer patients.
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Affiliation(s)
- Volker Endris
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany
| | - Albrecht Stenzinger
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany
| | - Nicole Pfarr
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany.,Institute of Pathology, Technical University of Munich (TUM), Munich, Germany
| | - Roland Penzel
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany
| | - Markus Möbs
- Institute of Pathology, Charité Universitaetsmedizin Berlin, Berlin, Germany
| | - Dido Lenze
- Institute of Pathology, Charité Universitaetsmedizin Berlin, Berlin, Germany
| | | | - Michael Hummel
- Institute of Pathology, Charité Universitaetsmedizin Berlin, Berlin, Germany
| | | | - Andreas Jung
- Institute of Pathology, Ludwig-Maximilians University (LMU), Munich, Germany
| | - Ulrich Lehmann
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Hans Kreipe
- Institute of Pathology, Hannover Medical School, Hannover, Germany
| | - Thomas Kirchner
- Institute of Pathology, Ludwig-Maximilians University (LMU), Munich, Germany
| | | | - Wolfram Jochum
- Institute of Pathology, Kantonsspital St. Gallen, St. Gallen, Switzerland
| | - Gerald Höfler
- Institute of Pathology, Medical University Graz, Graz, Austria
| | - Manfred Dietel
- Institute of Pathology, Charité Universitaetsmedizin Berlin, Berlin, Germany
| | - Wilko Weichert
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany.,Institute of Pathology, Technical University of Munich (TUM), Munich, Germany
| | - Peter Schirmacher
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld, 224, Heidelberg, Germany.
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95
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Validation of a two-tier grading system in an unselected, consecutive cohort of serous ovarian cancer patients. Arch Gynecol Obstet 2016; 294:599-606. [DOI: 10.1007/s00404-016-4070-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2016] [Accepted: 03/08/2016] [Indexed: 12/13/2022]
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96
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Ziske MA, Pettee KM, Khaing M, Rubinic K, Eisenmann KM. SMIFH2-mediated mDia formin functional inhibition potentiates chemotherapeutic targeting of human ovarian cancer spheroids. Biochem Biophys Res Commun 2016; 472:33-9. [PMID: 26898799 DOI: 10.1016/j.bbrc.2016.02.049] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2016] [Accepted: 02/14/2016] [Indexed: 01/02/2023]
Abstract
Due to a lack of effective screening or prevention protocol for epithelial ovarian cancer (EOC), there is a critical unmet need to develop therapeutic interventions for EOC treatment. EOC metastasis is unique. Initial dissemination is not primarily hematogenous, yet is facilitated through shedding of primary tumor cells into the peritoneal fluid and accumulating ascites. Increasingly, isolated patient spheroids point to a clinical role for spheroids in EOC metastasis. EOC spheroids are highly invasive structures that disseminate upon peritoneal mesothelium, and visceral tissues including liver and omentum. Selection for this subset of chemoresistant EOC cells could influence disease progression and/or recurrence. Thus, targeting spheroid integrity/structure may improve the chemotherapeutic responsiveness of EOC. We discovered a critical role for mammalian Diaphanous (mDia)-related formin-2 in maintaining EOC spheroid structure. Both mDia2 and the related mDia1 regulate F-actin networks critical to maintain cell-cell contacts and the integrity of multi-cellular epithelial sheets. We investigated if mDia2 functional inhibition via a small molecule inhibitor SMIFH2 combined with chemotherapeutics, such as taxol and cisplatin, inhibits the viability of EOC monolayers and clinically relevant spheroids. SMIFH2-mediated mDia formin inhibition significantly reduced both ES2 and Skov3 EOC monolayer viability while spheroid viability was minimally impacted only at the highest concentrations. Combining either cisplatin or taxol with SMIFH2 did not significantly enhance the effects of either drug alone in ES2 monolayers, while Skov3 monolayers treated with taxol or cisplatin and SMIFH2 showed significant additive inhibition of viability. ES2 spheroids were highly responsive with clear additive anti-viability effects with dual taxol or cisplatin when combined with SMIFH2 treatments. While combined taxol with SMIFH2 in spheroids showed an additive effect relative to single treatments, Skov3 spheroids showed no additive effects from combined cisplatin and SMIFH2 treatments. Our data indicate that mDia formin inhibition combined with taxol to drive enhanced and/or additive anti-viability effects targeting 3D EOC structures, including ES2 and Skov3 spheroids. Combined mDia formin inhibition with cisplatin may be most effective in EOC spheroids where cisplatin sensitivity is retained at moderate levels, such as ES2 cells.
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Affiliation(s)
- Megan A Ziske
- Department of Biochemistry and Cancer Biology, University of Toledo Health Science Campus, Mail Stop 1010, 3000 Arlington Avenue, Toledo, OH 43614, USA
| | - Krista M Pettee
- Department of Biochemistry and Cancer Biology, University of Toledo Health Science Campus, Mail Stop 1010, 3000 Arlington Avenue, Toledo, OH 43614, USA
| | - MaNada Khaing
- Department of Biochemistry and Cancer Biology, University of Toledo Health Science Campus, Mail Stop 1010, 3000 Arlington Avenue, Toledo, OH 43614, USA
| | - Kaitlin Rubinic
- Department of Biochemistry and Cancer Biology, University of Toledo Health Science Campus, Mail Stop 1010, 3000 Arlington Avenue, Toledo, OH 43614, USA
| | - Kathryn M Eisenmann
- Department of Biochemistry and Cancer Biology, University of Toledo Health Science Campus, Mail Stop 1010, 3000 Arlington Avenue, Toledo, OH 43614, USA.
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97
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Han HD, Cho YJ, Cho SK, Byeon Y, Jeon HN, Kim HS, Kim BG, Bae DS, Lopez-Berestein G, Sood AK, Shin BC, Park YM, Lee JW. Linalool-Incorporated Nanoparticles as a Novel Anticancer Agent for Epithelial Ovarian Carcinoma. Mol Cancer Ther 2016; 15:618-27. [PMID: 26861249 DOI: 10.1158/1535-7163.mct-15-0733-t] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 01/30/2016] [Indexed: 11/16/2022]
Abstract
Although cytotoxic chemotherapy is widely used against epithelial ovarian cancer (EOC), adverse side effects and emergence of resistance can limit its utility. Therefore, new drugs with systemic delivery platforms are urgently needed for this disease. In this study, we developed linalool-incorporated nanoparticles (LIN-NP) as a novel anticancer agent. We prepared LIN-NPs by the self-assembly water-in-oil-in-water (w/o/w) emulsion method. LIN-NP-mediated cytotoxicity and apoptosis was assessed in EOC cells, and the role of reactive oxygen species (ROS) generation as the mechanism of action was evaluated. In addition, therapeutic efficacy of LIN-NP was assessed in cell lines and patient-derived xenograft (PDX) models for EOC. LIN-NPs had significant cytotoxicity and apoptotic activity against EOC cells, including A2780, HeyA8, and SKOV3ip1. LIN-NP treatment increased apoptosis in EOC cells through ROS generation and a subsequent decrease in mitochondrial membrane potential and increase in caspase-3 levels. In addition, 100 mg/kg LIN-NPs significantly decreased tumor weight in the HeyA8 (P < 0.001) and SKOV3ip1 (P = 0.006) in vivo models. Although treatment with 50 mg/kg LIN-NP did not decrease tumor weight compared with the control group, combination treatment with paclitaxel significantly decreased tumor weight compared with paclitaxel alone in SKOV3ip1 xenografts (P = 0.004) and the patient-derived xenograft model (P = 0.020). We have developed LIN-NPs that induce ROS generation as a novel anticancer agent for EOC. These findings have broad applications for cancer therapy. Mol Cancer Ther; 15(4); 618-27. ©2016 AACR.
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Affiliation(s)
- Hee Dong Han
- Department of Immunology, School of Medicine, Konkuk University, Chungju, South Korea
| | - Young-Jae Cho
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea
| | - Sung Keun Cho
- Research Center for Medicinal Chemistry, Korea Research Institute of Chemical Technology, Daejeon, South Korea
| | - Yeongseon Byeon
- Department of Immunology, School of Medicine, Konkuk University, Chungju, South Korea
| | - Hat Nim Jeon
- Department of Immunology, School of Medicine, Konkuk University, Chungju, South Korea
| | - Hye-Sun Kim
- Department of Pathology, Cheil General Hospital and Women's Healthcare Center, Dankook University College of Medicine, Gyeonggi-do, South Korea
| | - Byoung-Gie Kim
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Duk-Soo Bae
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Gabriel Lopez-Berestein
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, Texas. Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas. Center for RNA Interference and Non-coding RNA, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Anil K Sood
- Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, Texas. Center for RNA Interference and Non-coding RNA, The University of Texas MD Anderson Cancer Center, Houston, Texas. Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Byung Cheol Shin
- Research Center for Medicinal Chemistry, Korea Research Institute of Chemical Technology, Daejeon, South Korea.
| | - Yeong-Min Park
- Department of Immunology, School of Medicine, Konkuk University, Chungju, South Korea.
| | - Jeong-Won Lee
- Department of Obstetrics and Gynecology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea. Department of Health Sciences and Technology, SAIHST, Sungkyunkwan University, Seoul, South Korea.
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Meeks HD, Song H, Michailidou K, Bolla MK, Dennis J, Wang Q, Barrowdale D, Frost D, McGuffog L, Ellis S, Feng B, Buys SS, Hopper JL, Southey MC, Tesoriero A, James PA, Bruinsma F, Campbell IG, Broeks A, Schmidt MK, Hogervorst FBL, Beckman MW, Fasching PA, Fletcher O, Johnson N, Sawyer EJ, Riboli E, Banerjee S, Menon U, Tomlinson I, Burwinkel B, Hamann U, Marme F, Rudolph A, Janavicius R, Tihomirova L, Tung N, Garber J, Cramer D, Terry KL, Poole EM, Tworoger SS, Dorfling CM, van Rensburg EJ, Godwin AK, Guénel P, Truong T, Stoppa-Lyonnet D, Damiola F, Mazoyer S, Sinilnikova OM, Isaacs C, Maugard C, Bojesen SE, Flyger H, Gerdes AM, Hansen TVO, Jensen A, Kjaer SK, Hogdall C, Hogdall E, Pedersen IS, Thomassen M, Benitez J, González-Neira A, Osorio A, Hoya MDL, Segura PP, Diez O, Lazaro C, Brunet J, Anton-Culver H, Eunjung L, John EM, Neuhausen SL, Ding YC, Castillo D, Weitzel JN, Ganz PA, Nussbaum RL, Chan SB, Karlan BY, Lester J, Wu A, Gayther S, Ramus SJ, Sieh W, Whittermore AS, Monteiro ANA, Phelan CM, Terry MB, Piedmonte M, Offit K, Robson M, Levine D, Moysich KB, Cannioto R, Olson SH, Daly MB, Nathanson KL, Domchek SM, Lu KH, Liang D, Hildebrant MAT, Ness R, Modugno F, Pearce L, Goodman MT, Thompson PJ, Brenner H, Butterbach K, Meindl A, Hahnen E, Wappenschmidt B, Brauch H, Brüning T, Blomqvist C, Khan S, Nevanlinna H, Pelttari LM, Aittomäki K, Butzow R, Bogdanova NV, Dörk T, Lindblom A, Margolin S, Rantala J, Kosma VM, Mannermaa A, Lambrechts D, Neven P, Claes KBM, Maerken TV, Chang-Claude J, Flesch-Janys D, Heitz F, Varon-Mateeva R, Peterlongo P, Radice P, Viel A, Barile M, Peissel B, Manoukian S, Montagna M, Oliani C, Peixoto A, Teixeira MR, Collavoli A, Hallberg E, Olson JE, Goode EL, Hart SN, Shimelis H, Cunningham JM, Giles GG, Milne RL, Healey S, Tucker K, Haiman CA, Henderson BE, Goldberg MS, Tischkowitz M, Simard J, Soucy P, Eccles DM, Le N, Borresen-Dale AL, Kristensen V, Salvesen HB, Bjorge L, Bandera EV, Risch H, Zheng W, Beeghly-Fadiel A, Cai H, Pylkäs K, Tollenaar RAEM, Ouweland AMWVD, Andrulis IL, Knight JA, Narod S, Devilee P, Winqvist R, Figueroa J, Greene MH, Mai PL, Loud JT, García-Closas M, Schoemaker MJ, Czene K, Darabi H, McNeish I, Siddiquil N, Glasspool R, Kwong A, Park SK, Teo SH, Yoon SY, Matsuo K, Hosono S, Woo YL, Gao YT, Foretova L, Singer CF, Rappaport-Feurhauser C, Friedman E, Laitman Y, Rennert G, Imyanitov EN, Hulick PJ, Olopade OI, Senter L, Olah E, Doherty JA, Schildkraut J, Koppert LB, Kiemeney LA, Massuger LFAG, Cook LS, Pejovic T, Li J, Borg A, Öfverholm A, Rossing MA, Wentzensen N, Henriksson K, Cox A, Cross SS, Pasini BJ, Shah M, Kabisch M, Torres D, Jakubowska A, Lubinski J, Gronwald J, Agnarsson BA, Kupryjanczyk J, Moes-Sosnowska J, Fostira F, Konstantopoulou I, Slager S, Jones M, Antoniou AC, Berchuck A, Swerdlow A, Chenevix-Trench G, Dunning AM, Pharoah PDP, Hall P, Easton DF, Couch FJ, Spurdle AB, Goldgar DE. BRCA2 Polymorphic Stop Codon K3326X and the Risk of Breast, Prostate, and Ovarian Cancers. J Natl Cancer Inst 2016; 108:djv315. [PMID: 26586665 PMCID: PMC4907358 DOI: 10.1093/jnci/djv315] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 08/13/2015] [Accepted: 10/02/2015] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The K3326X variant in BRCA2 (BRCA2*c.9976A>T; p.Lys3326*; rs11571833) has been found to be associated with small increased risks of breast cancer. However, it is not clear to what extent linkage disequilibrium with fully pathogenic mutations might account for this association. There is scant information about the effect of K3326X in other hormone-related cancers. METHODS Using weighted logistic regression, we analyzed data from the large iCOGS study including 76 637 cancer case patients and 83 796 control patients to estimate odds ratios (ORw) and 95% confidence intervals (CIs) for K3326X variant carriers in relation to breast, ovarian, and prostate cancer risks, with weights defined as probability of not having a pathogenic BRCA2 variant. Using Cox proportional hazards modeling, we also examined the associations of K3326X with breast and ovarian cancer risks among 7183 BRCA1 variant carriers. All statistical tests were two-sided. RESULTS The K3326X variant was associated with breast (ORw = 1.28, 95% CI = 1.17 to 1.40, P = 5.9x10(-) (6)) and invasive ovarian cancer (ORw = 1.26, 95% CI = 1.10 to 1.43, P = 3.8x10(-3)). These associations were stronger for serous ovarian cancer and for estrogen receptor-negative breast cancer (ORw = 1.46, 95% CI = 1.2 to 1.70, P = 3.4x10(-5) and ORw = 1.50, 95% CI = 1.28 to 1.76, P = 4.1x10(-5), respectively). For BRCA1 mutation carriers, there was a statistically significant inverse association of the K3326X variant with risk of ovarian cancer (HR = 0.43, 95% CI = 0.22 to 0.84, P = .013) but no association with breast cancer. No association with prostate cancer was observed. CONCLUSIONS Our study provides evidence that the K3326X variant is associated with risk of developing breast and ovarian cancers independent of other pathogenic variants in BRCA2. Further studies are needed to determine the biological mechanism of action responsible for these associations.
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Elzek MA, Rodland KD. Proteomics of ovarian cancer: functional insights and clinical applications. Cancer Metastasis Rev 2016; 34:83-96. [PMID: 25736266 DOI: 10.1007/s10555-014-9547-8] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the past decade, there has been an increasing interest in applying proteomics to assist in understanding the pathogenesis of ovarian cancer, elucidating the mechanism of drug resistance, and in the development of biomarkers for early detection of ovarian cancer. Although ovarian cancer is a spectrum of different diseases, the strategies for diagnosis and treatment with surgery and adjuvant therapy are similar across ovarian cancer types, increasing the general applicability of discoveries made through proteomics research. While proteomic experiments face many difficulties which slow the pace of clinical applications, recent advances in proteomic technology contribute significantly to the identification of aberrant proteins and networks which can serve as targets for biomarker development and individualized therapies. This review provides a summary of the literature on proteomics' contributions to ovarian cancer research and highlights the current issues, future directions, and challenges. We propose that protein-level characterization of primary lesion in ovarian cancer can decipher the mystery of this disease, improve diagnostic tools, and lead to more effective screening programs.
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Affiliation(s)
- Mohamed A Elzek
- Egybiotech for Research and Biotechnology, Alexandria, Egypt,
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Alkema NG, Wisman GBA, van der Zee AGJ, van Vugt MATM, de Jong S. Studying platinum sensitivity and resistance in high-grade serous ovarian cancer: Different models for different questions. Drug Resist Updat 2015; 24:55-69. [PMID: 26830315 DOI: 10.1016/j.drup.2015.11.005] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Revised: 11/04/2015] [Accepted: 11/19/2015] [Indexed: 12/21/2022]
Abstract
High-grade serous ovarian cancer (HGSOC) has the highest mortality rate among all gynecological cancers. Patients are generally diagnosed in an advanced stage with the majority of cases displaying platinum resistant relapses. Recent genomic interrogation of large numbers of HGSOC patient samples indicated high complexity in terms of genetic aberrations, intra- and intertumor heterogeneity and underscored their lack of targetable oncogenic mutations. Sub-classifications of HGSOC based on expression profiles, termed 'differentiated', 'immunoreactive', 'mesenchymal' and 'proliferative', were shown to have prognostic value. In addition, in almost half of all HGSOC patients, a deficiency in homologous recombination (HR) was found that potentially can be targeted using PARP inhibitors. Developing precision medicine requires advanced experimental models. In the current review, we discuss experimental HGSOC models in which resistance to platinum therapy and the use of novel therapeutics can be carefully studied. Panels of better-defined primary cell lines need to be established to capture the full spectrum of HGSOC subtypes. Further refinement of cell lines is obtained with a 3-dimensional culture model mimicking the tumor microenvironment. Alternatively, ex vivo ovarian tumor tissue slices are used. For in vivo studies, larger panels of ovarian cancer patient-derived xenografts (PDXs) are being established, encompassing all expression subtypes. Ovarian cancer PDXs grossly retain tumor heterogeneity and clinical response to platinum therapy is preserved. PDXs are currently used in drug screens and as avatars for patient response. The role of the immune system in tumor responses can be assessed using humanized PDXs and immunocompetent genetically engineered mouse models. Dynamic tracking of genetic alterations in PDXs as well as patients during treatment and after relapse is feasible by sequencing circulating cell-free tumor DNA and analyzing circulating tumor cells. We discuss how various models and methods can be combined to delineate the molecular mechanisms underlying platinum resistance and to select HGSOC patients other than BRCA1/2-mutation carriers that could potentially benefit from the synthetic lethality of PARP inhibitors. This integrated approach is a first step to improve therapy outcomes in specific subgroups of HGSOC patients.
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Affiliation(s)
- Nicolette G Alkema
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - G Bea A Wisman
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Ate G J van der Zee
- Department of Gynecologic Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Marcel A T M van Vugt
- Department of Medical Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Steven de Jong
- Department of Medical Oncology, Cancer Research Centre Groningen, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
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