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Kristiansen MF, Mikkelsen RM, Kristiansdóttir T, Andórsdóttir G, Hansen SÓ, Á Steig B, Nielsen KR, Skaalum Petersen M, Strøm M. Cancer survival in the Faroe Islands over the last 50 years compared to the other Nordic countries. Int J Cancer 2023; 152:2090-2098. [PMID: 36727543 DOI: 10.1002/ijc.34456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Revised: 12/22/2022] [Accepted: 01/09/2023] [Indexed: 02/03/2023]
Abstract
As sustained development in cancer treatment protocols have led to improved survival in most areas of the world, surveillance is needed to ensure that small populations follow suit. Our study reports age-standardized relative cancer survival in the Faroe Islands compared to the other Nordic countries. We present 1- and 5-year survival estimates and corresponding 95% confidence intervals for the Faroe Islands and compare them with estimates for the Nordic countries. The data for this article has been obtained through the NORDCAN collaboration (2019 data). Age-standardized relative survival was estimated using shared R codes on individual-level data within each country. Ten-year calendar inclusion periods were used in addition to the usual 5-year calendar periods to include cancer sites with few cases, which is especially beneficial to the smaller populations. The primary findings were that 1- and 5-year survival were consistently lower in the Faroes for the summary group all sites but non-melanoma skin cancer for both women and men. Further, 5-year survival was lower for women with ovarian cancer and men with lung cancer than in other Nordic countries. Previously, breast cancer survival was low in the Faroes but has improved to a comparable level over the last few years. Colorectal cancer survival was relatively high for both sexes. The reported estimates in this article call for further research to investigate the cancers with lower survival and should call for actions to improve the survival of Faroese cancer patients.
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Affiliation(s)
- Marnar Fríðheim Kristiansen
- Medical Department, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,The Faroese Cancer Registry, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,Centre of Health Sciences, University of the Faroe Islands, Tórshavn, Faroe Islands.,Genetic Biobank of the Faroe Islands, Tórshavn, Faroe Islands
| | | | | | | | - Saeunn Ólavsdóttir Hansen
- Medical Department, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,The Faroese Cancer Registry, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands
| | - Bjarni Á Steig
- Medical Department, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,The Faroese Cancer Registry, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,Genetic Biobank of the Faroe Islands, Tórshavn, Faroe Islands
| | - Kári Rubek Nielsen
- Medical Department, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,The Faroese Cancer Registry, National Hospital of the Faroe Islands, Tórshavn, Faroe Islands.,Genetic Biobank of the Faroe Islands, Tórshavn, Faroe Islands
| | - Maria Skaalum Petersen
- Centre of Health Sciences, University of the Faroe Islands, Tórshavn, Faroe Islands.,Department of Occupational Medicine and Public Health, The Faroese Hospital System, Tórshavn, Faroe Islands
| | - Marin Strøm
- Centre of Health Sciences, University of the Faroe Islands, Tórshavn, Faroe Islands.,Department of Epidemiology Research, Statens Serum Institut, Copenhagen, Denmark
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Hashmi AA, Rashid K, Asif MG, Dowlah TU, Ali AH, Malik UA, Ali SM, Ali SJ, Zia S, Irfan M. Clinicopathological Parameters Associated With Peritoneal Involvement in Epithelial Ovarian Tumors. Cureus 2023; 15:e36666. [PMID: 37102035 PMCID: PMC10124578 DOI: 10.7759/cureus.36666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2023] [Indexed: 04/28/2023] Open
Abstract
Introduction Ovarian tumors remain one of the leading malignancies of the female genital tract, with a high mortality rate due to their insidious onset and lack of detection at an earlier stage. These tumors metastasize by direct extension into the neighboring pelvic organs; hence, the detection of peritoneal metastasis is valuable for staging and prognostic purposes. Peritoneal wash cytological analysis is an effective predictor of the involvement of the ovarian surface and peritoneal dissemination even in subclinical involvement of the peritoneum. The study aims to determine the significance of peritoneal wash cytology as a prognostic parameter and correlate it with various clinicohistological features. Methods A retrospective study was conducted at the Department of Histopathology, Liaquat National Hospital, Karachi, Pakistan, between July 2017 and June 2022. During this period, all the cases of ovarian tumors (borderline and malignant) that underwent total abdominal hysterectomy with bilateral salpingo-oophorectomy and omental and lymph node sampling were included in the study. After opening the abdominal cavity, the free fluid present was aspirated immediately, the peritoneum was lavaged with 50-100 mL of warm saline, and samples were collected and sent for cytological analysis. Four cytospin smear slides and cell block preparation were prepared. The findings of peritoneal cytology were correlated with various clinicohistological features. Results A total of 118 cases of ovarian tumors were included in the study. Serous carcinoma was the most common sub-type (50.8%), followed by endometrioid carcinoma (14.4%), and the mean age at diagnosis was found to be 49.9±14.9 years. The mean tumor size was 11.2 cm. The majority of the cases of ovarian carcinoma were of high grade (78.8%), with capsular invasion present in 61% of cases. Positive peritoneal cytology was noted in 58.5% of cases, with omental involvement in 52.5% of cases. Serous carcinoma showed the highest frequency of positive cytology (69.6%) and omental metastasis (74.2%). Apart from tumor type, positive peritoneal cytology showed a significantly positive correlation with age, tumor grade, and capsular invasion. Conclusion Based on our study findings, we conclude that peritoneal wash cytology is a sensitive indicator of the peritoneal spread of ovarian carcinoma, with a significant prognostic value. Serous carcinomas, especially high-grade with capsular invasion, were found to be predictors of peritoneal involvement of ovarian tumors. Although we found smaller tumors to be associated with peritoneal disease more compared to larger ones, this most likely is attributed to tumor histology, as larger tumors were most commonly mucinous compared to serous carcinomas.
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Affiliation(s)
- Atif A Hashmi
- Pathology, Liaquat National Hospital and Medical College, Karachi, PAK
| | - Khushbakht Rashid
- Internal Medicine, Liaquat National Hospital and Medical College, Karachi, PAK
| | | | | | - Abrahim H Ali
- Internal Medicine, Bangladesh Medical College, Dhaka, BGD
| | | | - Syed Munqaad Ali
- Internal Medicine, Dow University of Health Sciences, Karachi, PAK
| | | | - Shamail Zia
- Pathology, Jinnah Sindh Medical University, Karachi, PAK
| | - Muhammad Irfan
- Statistics, Liaquat National Hospital and Medical College, Karachi, PAK
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Kotaniemi‐Talonen L, Pukkala E, Aittomäki K, Auranen A. Long-term risk of cancer among the first-degree relatives of epithelial ovarian cancer patients: A cohort study with 48 years of follow up. Acta Obstet Gynecol Scand 2023; 102:240-245. [PMID: 36645194 PMCID: PMC9951276 DOI: 10.1111/aogs.14504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 12/11/2022] [Accepted: 12/16/2022] [Indexed: 01/17/2023]
Abstract
INTRODUCTION The long-term risk of cancer among first-degree relatives of ovarian cancer patients, especially their offspring, is of apparent clinical importance. Risks caused by known inherited factors such as BRCA1 or BRCA2 pathogenic variants are well established, but these account for only about 15% of ovarian cancer cases. Less is known about the possible familial risks of sporadic ovarian cancers. MATERIAL AND METHODS Using registry data, we conducted a retrospective cohort study with a total of 6501 first-degree relatives of 559 epithelial ovarian cancer patients. We studied the occurrence of overall cancer and cancer in specific sites known or suspected to be associated with ovarian cancer (breast, cervix, colon, endometrium, lung and trachea, skin melanoma, ovary, pancreas, prostate, rectum, and stomach). RESULTS The overall number of cancers was not increased among the first-degree relatives of epithelial ovarian cancer patients during the up to 48 years of follow up. Among female relatives, the standardized incidence ratio for ovarian cancer was 1.92 (95% CI 1.27-2.79), mostly explained by a 2.30-fold (95% CI 1.46-3.45) risk among the patients' sisters. There was a decreasing trend in the standardized incidence ratio for ovarian cancer among patients' sisters by increasing age of the index patient. CONCLUSIONS In our study cohort, we did not observe an increase in the overall cancer risk among the first-degree relatives of epithelial ovarian cancer patients in comparison with the general population. The risk for ovarian cancer, however, was increased. Current recommendations suggest prophylactic removal of the fallopian tubes and ovaries only with identified inherited risk factors. Our results emphasize the role of genetic counseling and testing, particularly in young ovarian cancer patients and their close female relatives.
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Affiliation(s)
- Laura Kotaniemi‐Talonen
- Department of Obstetrics and GynecologyTampere University HospitalTampereFinland,Tays Cancer CentreTampere University HospitalTampereFinland,Faculty of Medicine and Health TechnologyTampere UniversityTampereFinland
| | - Eero Pukkala
- Finnish Cancer Registry—Institute for Statistical and Epidemiological Cancer ResearchHelsinkiFinland,Health Sciences Unit, Faculty of Social SciencesTampere UniversityTampereFinland
| | - Kristiina Aittomäki
- Department of Medical and Clinical GeneticsUniversity of HelsinkiHelsinkiFinland
| | - Annika Auranen
- Department of Obstetrics and GynecologyTampere University HospitalTampereFinland,Tays Cancer CentreTampere University HospitalTampereFinland,Faculty of Medicine and Health TechnologyTampere UniversityTampereFinland
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4
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Gangane NM, Patil BU, Ghongade PV. Ovarian cancer: A report from population-based cancer registry at central rural India. J Cancer Res Ther 2023; 19:S857-S862. [PMID: 38384066 DOI: 10.4103/jcrt.jcrt_1426_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 08/23/2022] [Indexed: 02/23/2024]
Abstract
INTRODUCTION Ovarian neoplasms affect a huge part of the female population and, simultaneously, have the worst prognosis among all gynecological malignancies. In most of the population-based cancer registries (PBCR) in India, ovarian cancer is the third leading site of cancer among women, trailing behind cervix and breast cancer. MATERIALS AND METHODS In the present study, we have summarized the number of new cases of ovarian malignancy and its profile observed in the PBCR in central India during 7 years. REPORTS During a 7-year duration (2010-2016), 6,515 cancer patients were recorded at PBCR, and 228 cases were of ovarian malignancy. It was observed that most of the cases in this study were in 41-50 years of life. The age-standardized incidence rate of ovarian cancers in the present study was 4.61 per 100,000, and the crude incidence rate was 5.08 per 100,000. The crude mortality rate and age-standardized mortality rate of ovarian cancer were 2.3 and 2.02 per 100,000, respectively. Serous carcinoma was our study's most common histological subtype (43.75%), followed by mucinous carcinoma. CONCLUSION A steady increase has been observed in the incidence of ovarian cancer in several registries. A significant goal in managing ovarian cancer is to develop an effective test to detect the disease at its earlier stages, resulting in reduced mortality.
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Affiliation(s)
- Nitin M Gangane
- Department of Pathology, Mahatma Gandhi Institute of Medical Sciences Sevagram, Wardha, Maharashtra, India
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5
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Nanotechnology-Based Nucleic Acid Vaccines for Treatment of Ovarian Cancer. Pharm Res 2023; 40:123-144. [PMID: 36376606 PMCID: PMC9663189 DOI: 10.1007/s11095-022-03434-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/03/2022] [Indexed: 11/16/2022]
Abstract
Anticancer vaccines represent a promising approach for effective treatment of cancer and along with recent advantages of nucleic acid-based vaccines for other diseases form a prospective and potentially efficacious direction of the research, development and clinical applications. Despite the ongoing several clinical trials of mRNA vaccines for the treatment of various types of cancer, to-date no cancer vaccines were approved by the US Food and Drug Administration. The present review analyzes and summarizes major approaches for treating of different forms of ovarian cancer including mRNA-based vaccines as well as nanotechnology-based approaches for their delivery.
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Almolakab ZM, El-Nesr KA, Mohamad Hassanin EH, Elkaffas R, Nabil A. Gene polymorphisms of Interleukin 6 (−174 G/C) and transforming growth factor β-1(+915 G/C) in ovarian cancer patients. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2022. [DOI: 10.1186/s43088-022-00211-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Abstract
Background
In the study on hand, we investigated the effect of IL-6 (−174 G/C; rs 1800795) and TGF-β1 (+915G/C; rs 1800471) gene polymorphisms on the susceptibility to Ovarian Cancer and their effect on plasma levels. IL-6 (−174 G/C) SNP was analyzed using mutagenically separated polymerase chain reaction (MS-PCR) while TGF-β1 +915G/C (codon 25) SNP was investigated by the sequence-specific primer polymerase chain reaction (SSP-PCR). An enzyme-linked immunosorbent assay (ELISA) was used to quantify IL-6 and TGF-β1 plasma levels in 48 ovarian cancer patients and 48 normal controls.
Results
Regarding IL 6 (−174 G/C), a significant increase in CC and GC+CC genotypes parallel with the C allele was considered as risk factors for ovarian cancer; on the other hand, the G allele was considered as a protective factor for ovarian cancer. TGF-β1 (+915G/C) investigations showed a significant elevation in GC and GC+CC genotypes which can be considered as a risk factor for ovarian cancer. Plasma IL-6 and TGF-β1 were higher in ovarian cancer patients compared with controls. No specific genotype or allele could be responsible for the elevation of TGF-β1 in ovarian cancer patients’ plasma, while the highest significant value for IL6 in subjects carrying GG and CC genotypes in comparison with GC genotype.
Conclusions
This study supports an association of IL6 (−174G/C) and TGF-β1 (+915G/C) gene polymorphisms with the susceptibility to ovarian cancer.
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Flaum N, van Veen EM, Smith O, Amico S, Newman WG, Crosbie EJ, Edmondson R, Smith MJ, Evans DG. Dominant-negative pathogenic variant BRIP1 c.1045G>C is a high-risk allele for non-mucinous epithelial ovarian cancer: A case-control study. Clin Genet 2021; 101:48-54. [PMID: 34585738 DOI: 10.1111/cge.14068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/16/2021] [Accepted: 09/27/2021] [Indexed: 11/28/2022]
Abstract
BRIP1 is a moderate susceptibility epithelial ovarian cancer (EOC) gene. Having identified the BRIP1 c.1045G>C missense variant in a number of families with EOC, we aimed to investigate the frequency of this and BRIP1.2392C>T pathogenic variant in patients with breast cancer (BC) and/or EOC. A case-control study of 3767 cases and 2043 controls was undertaken investigating the presence of these variants using Sanger sequencing and gene panel data. Individuals with BC and/or EOC were grouped by family history. BRIP1 c.1045G>C was associated with increased risk of BC/EOC (OR = 37.7; 95% CI 5.3-444.2; P = 0.0001). The risk was highest for women with EOC (OR = 140.8; 95% CI 23.5-1723.0; P < 0.0001) and lower for BC (OR = 11.1; 95% CI 1.2-106.5; P = 0.1588). BRIP1 c.2392C>T was associated with smaller risks for BC/EOC (OR = 5.4; 95%CI 2.4-12.7; P = 0.0003), EOC (OR = 5.9; 95% CI 1.3-23.0; p = 0.0550) and BC (OR = 5.3; 95%CI 2.3-12.9; P = 0.0009). Our study highlights the importance of BRIP1 as an EOC susceptibility gene, especially in familial EOC. The variant BRIP1 c.1045G>C, rs149364097, is of particular interest as its dominant-negative effect may confer a higher risk of EOC than that of the previously reported BRIP1 c.2392C>T nonsense variant. Dominant-negative missense variants may confer higher risks than their loss-of-function counterparts.
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Affiliation(s)
- Nicola Flaum
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - Elke M van Veen
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - Olivia Smith
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - Stephanie Amico
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - William G Newman
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - Emma J Crosbie
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.,St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Richard Edmondson
- Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.,St Mary's Hospital, Manchester University NHS Foundation Trust, Manchester, UK
| | - Miriam J Smith
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK
| | - D Gareth Evans
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK.,Manchester Centre for Genomic Medicine, St Mary's Hospital, Manchester Academic Health Science Centre, Manchester University NHS Foundation Trust, Manchester, UK.,Prevention Breast Cancer Centre and Nightingale Breast Screening Centre, University Hospital of South Manchester, Manchester, UK.,The Christie NHS Foundation Trust, Manchester, UK.,Manchester Breast Centre, Manchester Cancer Research Centre, University of Manchester, Manchester, UK
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8
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Al-Zahrani MH, Yahya FM, Assidi M, Dallol A, Buhmeida A. Klotho promoter methylation status and its prognostic value in ovarian cancer. Mol Clin Oncol 2021; 15:181. [PMID: 34277000 PMCID: PMC8278383 DOI: 10.3892/mco.2021.2343] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 05/21/2021] [Indexed: 01/22/2023] Open
Abstract
Among all gynecological cancers, ovarian cancer (OC) is one of the deadliest types of cancer worldwide. Epigenetic silencing of some genes has been reported to be associated with OC. In this context, Klotho (KL) gene methylation is a promising biomarker for OC. The present study aimed to investigate the methylation profiles of KL and assess its prognostic value. A total of 63 formalin-fixed paraffin-embedded tissue samples from patients with primary OC were collected and analyzed in the present study. The methylation profiles of KL were assessed by performing DNA bisulfate treatment followed by DNA promoter methylation analysis using the MethyLight assay. The results revealed KL promoter hypermethylation in 62% of the OC cohort. Additionally, significant associations were observed between KL methylation profiles and tumor subtype (P<0.0001) and tumor site (P=0.039). Furthermore, Kaplan-Meier analysis revealed that a worse disease-specific survival was significantly associated with hypermethylated KL (P=0.03, log-rank; hazard ration, 0.58; 95% confidence interval (CI), 0.26-0.90). Cox regression multivariate analysis indicated that KL promoter methylation was an independent OC prognostic indicator (P=0.029). The current study suggested that KL may be a novel biomarker to predict prognosis in patients with OC, since patients with higher KL promoter methylation were more likely to have a poor prognosis and would therefore require frequent follow-up and integrative personalized therapeutic approaches.
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Affiliation(s)
- Maryam H. Al-Zahrani
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Fatimah M. Yahya
- Biochemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mourad Assidi
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Medical Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Ashraf Dallol
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Medical Technology Department, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Abdelbaset Buhmeida
- Center of Excellence in Genomic Medicine Research, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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9
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DNA Methylation in Ovarian Cancer Susceptibility. Cancers (Basel) 2020; 13:cancers13010108. [PMID: 33396385 PMCID: PMC7795210 DOI: 10.3390/cancers13010108] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 12/18/2020] [Indexed: 12/12/2022] Open
Abstract
Simple Summary It is well established that ovarian cancer “runs in families”, where ovarian and other cancers (commonly breast cancer) occur at early ages at onset and in multiple generations. After decades of genetic studies, rare high-risk genetic mutations in cancer susceptibility genes and over 40 common genetic variants with much smaller risks have been identified. However, based on familial studies, we know that additional heritable genetic risk factors exist. It is possible that epigenetic variation—differences in how DNA is read, and which genes are actively expressed (or not) —also contributes to ovarian cancer susceptibility. This review summarizes the current collection of epidemiological studies that have investigated the role of DNA methylation—one type of epigenetic mechanism—in the risk of ovarian cancer. Abstract Epigenetic alterations are somatically acquired over the lifetime and during neoplastic transformation but may also be inherited as widespread ‘constitutional’ alterations in normal tissues that can cause cancer predisposition. Epithelial ovarian cancer (EOC) has an established genetic susceptibility and mounting epidemiological evidence demonstrates that DNA methylation (DNAm) intermediates as well as independently contributes to risk. Targeted studies of known EOC susceptibility genes (CSGs) indicate rare, constitutional BRCA1 promoter methylation increases familial and sporadic EOC risk. Blood-based epigenome-wide association studies (EWAS) for EOC have detected a total of 2846 differentially methylated probes (DMPs) with 71 genes replicated across studies despite significant heterogeneity. While EWAS detect both symptomatic and etiologic DMPs, adjustments and analytic techniques may enrich risk associations, as evidenced by the detection of dysregulated methylation of BNC2—a known CSG identified by genome-wide associations studies (GWAS). Integrative genetic–epigenetic approaches have mapped methylation quantitative trait loci (meQTL) to EOC risk, revealing DNAm variations that are associated with nine GWAS loci and, further, one novel risk locus. Increasing efforts to mapping epigenome variation across populations and cell types will be key to decoding both the genomic and epigenomic causal pathways to EOC.
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10
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Mulawardhana P, Hartono P, Nugroho H, Ayuningtyas A. Death of 43 Indonesian women with ovarian cancer: A case series. Int J Surg Case Rep 2020; 78:391-396. [PMID: 33412408 PMCID: PMC7803628 DOI: 10.1016/j.ijscr.2020.12.067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/20/2020] [Accepted: 12/20/2020] [Indexed: 11/17/2022] Open
Abstract
43 cases of death in Indonesian patients with ovarian cancer. Most of Indonesian patients with ovarian cancer have received treatment. The treatment given to Indonesian patients with ovarian cancer are in the form of chemotherapy and surgical procedures. Diagnosis of ovarian cancer is mostly identified in stage III.
Background Ovarian cancer is a gynecological cancer with a higher mortality than other gynecological cancers. Case report There were 43 cases of Indonesian women who died of ovarian cancer in 2015–2017. Patients were first diagnosed at the age of 40–59 years (65.11%), of which had normal BMI (62.72%) and mostly in stage III (39.53%). The histology was 88.3% epithelial ovarian cancer with the most subtypes of mucinous carcinoma (25.5%). The majority were referral patients (62.7%), but due to its malignancy, many died before receiving ovarian cancer treatment (40.74%). Of the 43 patients, 17 patients received chemotherapy, and 10 patients received a combination of surgical therapy and chemotherapy. Most of the deaths were caused by primary disease (69.77%). Patients with stages III and IV, as well as patients receiving surgery or chemotherapy alone had shorter survival times. Conclusion Most ovarian cancer patients are first diagnosed at stage III with the mucinous carcinoma subtype. Most deaths are caused by primary ovarian cancer. The therapy that provides the longest survival is a combination of surgery and chemotherapy.
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Affiliation(s)
- Pungky Mulawardhana
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia; Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Universitas Airlangga Teaching Hospital, Surabaya, Indonesia.
| | - Poedjo Hartono
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Hari Nugroho
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
| | - Atika Ayuningtyas
- Department of Obstetrics and Gynecology, Faculty of Medicine, Universitas Airlangga - Dr. Soetomo General Academic Hospital, Surabaya, Indonesia
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11
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Abdulrahman GO, Das N, Lutchman Singh K. The predictive role of thrombocytosis in benign, borderline and malignant ovarian tumors. Platelets 2020; 31:795-800. [PMID: 31665945 DOI: 10.1080/09537104.2019.1686755] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Ovarian cancer is a lethal gynecological malignancy. Although CA-125 is commonly measured in women with adnexal mass, it is estimated that it only has a positive predictive value (PPV) of 69% and a negative predictive value (NPV) of 88% for the detection of ovarian cancer. The aim of this study was to investigate the diagnostic significance and predictive impact of thrombocytosis in women with suspected or confirmed ovarian cancer. This was a retrospective study of women who had surgery for adnexal mass over a 48-month period between September 2014 and September 2018 at Swansea Gynecological Oncology Center in Wales, UK. A total of 294 women who underwent surgery for high-risk pelvic mass or biopsy-confirmed ovarian cancer were identified. 206 women (70%) had final histology confirming ovarian cancer, 54 women (18%) had benign tumors while 34 women (12%) had borderline tumors. 90/206 women (43.7%) with ovarian cancer had thrombocytosis prior to primary surgery or neoadjuvant chemotherapy compared to 8/54 (14.8%) for benign tumors and 4/34 (11.8%) for borderline tumors. Thrombocytosis was observed in 23.2%, 40%, 45.1%, and 65.1% of Stages I, II, III, and IV ovarian cancer, respectively. Thrombocytosis was a stronger predictor of ovarian malignancy in younger women of less than 60 years (p = .041). Overall, the positive likelihood ratio of platelet count in the detection of ovarian cancer was 2.61 while the negative likelihood ratio was 0.72, with a diagnostic odds ratio of 3.625. Thrombocytosis was strongly associated with advanced stage ovarian cancer (Stage III/IV) (p = .002). Interestingly, 4/8 (50%) women with thrombocytosis in the benign ovarian tumor group were diagnosed with ovarian fibroma/fibrothecoma, which often mimics advanced ovarian cancer at presentation. Predictive markers for borderline tumors continue to remain a challenge. We believe that there is a role for platelet count in primary care algorithm for women with suspected ovarian cancer. We suspect that platelets play a role in the metastasis of ovarian cancer.
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Affiliation(s)
- Ganiy Opeyemi Abdulrahman
- Swansea Gynaecological Oncology Centre, Swansea Bay University Health Board , Swansea SA2 8QA, United Kingdom
| | - Nagindra Das
- Swansea Gynaecological Oncology Centre, Swansea Bay University Health Board , Swansea SA2 8QA, United Kingdom
| | - K Lutchman Singh
- Swansea Gynaecological Oncology Centre, Swansea Bay University Health Board , Swansea SA2 8QA, United Kingdom.,Swansea University Medical School, Swansea University , Swansea SA2 8PP, United Kingdom
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Abstract
This review is an appraisal of the current state of knowledge of 2 enigmatic histotypes of ovarian carcinoma: endometrioid and clear cell carcinoma. Both show an association endometriosis and the hereditary nonpolyposis colorectal cancer (Lynch) syndrome, and both typically present at an early stage. Pathologic and immunohistochemical features that distinguish these tumors from high-grade serous carcinomas, each other, and other potential mimics are discussed, as are staging, grading, and molecular pathogenesis.
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Affiliation(s)
- Oluwole Fadare
- Department of Pathology, University of California San Diego, San Diego, CA, USA.
| | - Vinita Parkash
- Department of Pathology, Yale School of Medicine, 20 York Street, EP2-607, New Haven, CT 06510, USA
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13
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Momenimovahed Z, Tiznobaik A, Taheri S, Salehiniya H. Ovarian cancer in the world: epidemiology and risk factors. Int J Womens Health 2019; 11:287-299. [PMID: 31118829 PMCID: PMC6500433 DOI: 10.2147/ijwh.s197604] [Citation(s) in RCA: 398] [Impact Index Per Article: 79.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Accepted: 03/18/2019] [Indexed: 12/24/2022] Open
Abstract
Aim: Ovarian cancer is one of the most common gynecologic cancers that has the highest mortality rate. Considering the fact that knowledge on the incidence, mortality of ovarian cancer, as well as its risk factors is necessary for planning and preventing complications, this study was conducted with the aim of examining the epidemiology and risk factors of ovarian cancer in the world. Materials and methods: In order to access the articles, Medline, Web of Science Core Collection, and Scopus databases were searched from their start to the year 2018. Full-text, English observational studies that referred to various aspects of ovarian cancer were included in the study. Results: In total, 125 articles that had been published during the years 1925–2018 were entered into the study. Ovarian cancer is the seventh most common cancer among women. Increased risk factors of cancer have led to an upward trend in the incidence of cancer around the world. In 2018, 4.4% of entire cancer-related mortality among women was attributed to ovarian cancer. Although the incidence of cancer is higher among high Human Development Index (HDI) countries, the trend of mortality rate tends to be reversing. Various factors affect the occurrence of ovarian cancer, from which genetic factor are among the most important ones. Pregnancy, lactation, and oral contraceptive pills play a role in reducing the risk of this disease. Conclusion: This study provides significant evidence about ovarian cancer. Considering the heavy burden of ovarian cancer on women's health, preventive measures as well as health education and early detection in high risk groups of women are highly recommended. Although some risk factors cannot be changed, a focus on preventable risk factors may reduce the risk of ovarian cancer. More studies are needed to explore the role of unclear risk factors in ovarian cancer occurrence.
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Affiliation(s)
- Zohre Momenimovahed
- Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Qom University of Medical Sciences, Qom, Iran.,Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran
| | - Azita Tiznobaik
- Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Tehran University of Medical Sciences, Tehran, Iran.,Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Hamedan University of Medical Sciences, Hamedan, Iran
| | - Safoura Taheri
- Department of Midwifery and Reproductive Health, School of Nursing and Midwifery, Ilam University of Medical Sciences, Ilam, Iran
| | - Hamid Salehiniya
- Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran.,Epidemiology and Biostatistics Department, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Correction: Familial risks of ovarian cancer by age at diagnosis, proband type and histology. PLoS One 2018; 13:e0206721. [PMID: 30365548 PMCID: PMC6203381 DOI: 10.1371/journal.pone.0206721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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