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Ovarian carcinoma

J N Sheets, M Iwanicki, J F Liu, B E Howitt, M S Hirsch, J A A Gubbels, R Drapkin, K A Egland
The cause of death among the majority of epithelial ovarian cancer (EOC) patients involves passive dissemination of cancer cells within the peritoneal cavity and subsequent implantation of cancer spheroids into adjacent organs. Thus, it is important to identify the factors that mediate EOC metastasis and implantation, including clearance of the mesothelium. Sushi domain containing 2 (SUSD2) encodes a type I transmembrane protein containing several functional domains inherent to adhesion molecules. Immunohistochemical analysis determined the presence of SUSD2 in several subtypes of EOC, with the strongest staining observed in high-grade serous ovarian carcinomas (HGSOCs)...
October 24, 2016: Oncogenesis
Nima Mesbah Ardakani, Anup Naran, Fabienne Grieu-Iacopetta, Colin Stewart
No abstract text is available yet for this article.
February 2016: Pathology
Pharkphoom Panichayupakaranant, Md Iftekhar Ahmad
Plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone) is a plant-derived naphthoquinones obtained mainly from three families, including Plumbaginaceae, Droseraceae, and Ebenaceae. Plumbagin has exhibited its potential therapeutic benefits on numerous chronic diseases, i.e., breast cancer, non-small cell lung cancer, melanoma, ovarian, squamous cell carcinomas, pancreatic cancer, and prostate cancer. In addition, its anti-inflammatory and antimicrobial activities as well as control of diabetes and cardiovascular diseases have been reported...
2016: Advances in Experimental Medicine and Biology
Aaron Wilson, Vasily A Yakovlev
Cancer development and progression have been linked to oxidative stress, a condition characterized by unbalanced increase in ROS and RNS production. The main endogenous initiators of the redox imbalance in cancer cells are defective mitochondria, elevated NOX activity, and uncoupled NOS3. Traditionally, most attention has been paid to direct oxidative damage to DNA by certain ROS. However, increase in oxidative DNA lesions does not always lead to malignancy. Hence, additional ROS-dependent, pro-carcinogenic mechanisms must be important...
October 19, 2016: Free Radical Biology & Medicine
Vinicius Duarte Cabral, Marcelle Reesink Cerski, Ivana Trindade Sa Brito, Lucia Maria Kliemann
BACKGROUND: Abnormalities in tumor suppressors p14, p16 and p53 are reported in several human cancers. In ovarian epithelial carcinogenesis, p16 and p53 show higher immunohistochemical staining frequencies in malignant tumors and are associated with poor prognoses. p14 was only analyzed in carcinomas, with conflicting results. There are no reports on its expression in benign and borderline tumors. This study aims to determine p14, p16 and p53 expression frequencies in ovarian benign, borderline and malignant tumors and their associations with clinical parameters...
October 22, 2016: Journal of Ovarian Research
Vesela Ivanova, Tihomir Dikov, Nadya Dimitrova
PURPOSE: To provide an overview of the morphologic subtypes of ovarian carcinomas in Bulgaria in relation to current healthcare organization using Bulgarian National Cancer Registry data. Further, we investigated hospital volume as a factor influencing the quality of care for patients with ovarian cancer. METHODS: Bulgarian National Cancer Registry ovarian carcinoma data were retrieved (2009-2011) and distribution of histologic types was analyzed. Cases were divided and compared with respect to main treatment: no surgery, surgery at hospitals dealing with ≥30 ovarian cancer patients/year (high volume), and surgery at hospitals dealing with <30 ovarian cancer patients/year (low volume)...
October 8, 2016: Tumori
Robbert D A Weren, Arjen R Mensenkamp, Michiel Simons, Astrid Eijkelenboom, Aisha S Sie, Hicham Ouchene, Monique van Asseldonk, Encarna B Gomez-Garcia, Marinus J Blok, Joanne A de Hullu, Marcel R Nelen, Alexander Hoischen, Johan Bulten, Bastiaan B J Tops, Nicoline Hoogerbrugge, En Marjolijn J L Ligtenberg
With the recent introduction of Poly(ADP-ribose) polymerase (PARP) inhibitors, a promising novel therapy has become available for ovarian carcinoma patients with inactivating BRCA1 or BRCA2 mutations in their tumour. To select patients who may benefit from these treatments, assessment of the mutation status of BRCA1 and BRCA2 in the tumour is required. For reliable evaluation of germline and somatic mutations in these genes in DNA derived from formalin-fixed, paraffin-embedded (FFPE) tissue, we have developed a single molecule molecular inversion probe (smMIP)-based targeted next generation sequencing (NGS) approach...
October 21, 2016: Human Mutation
Ayse Ayhan, Elisabetta Kuhn, Ren-Chin Wu, Hiroshi Ogawa, Asli Bahadirli-Talbott, Tsui-Lien Mao, Haruhiko Sugimura, Ie-Ming Shih, Tian-Li Wang
Ovarian clear cell carcinoma is a unique type of ovarian cancer, often derived from endometriosis, and advanced-stage disease has a dismal prognosis primarily due to the resistance to conventional chemotherapy. Previous studies have shown frequent somatic mutations in ARID1A, PIK3CA, hTERT promoter, and amplification of ZNF217; however, the molecular alterations that are associated with its aggressiveness remain largely unknown. This study examined and compared cyclin E1 expression in endometriosis-related ovarian tumors, with the aim of determining the relationship between hTERT mutations and ARID1A expression and evaluating the effects of these molecular alterations on patient survival...
October 21, 2016: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
J Hefner, H Csef
The last ten years have seen hardly any improvement in the prognosis of ovarian carcinoma. There is a great need for new treatment strategies, and a recent retrospective study showing a survival advantage with the use of beta blockers met with a very positive response. This systematic review summarizes the current state of knowledge and research on the topic: A database analysis identified six clinical studies showing inconsistent results with respect to the administration of beta blockers and disease course...
October 2016: Geburtshilfe und Frauenheilkunde
Ivanka S Nenova, Mariana Y Valcheva, Elina A Beleva, Dora Y Tumbeva, Marianna P Yaneva, Emilia L Rancheva, Zhanet G Grudeva-Popova
INTRODUCTION: Autoimmune disorders have been documented in solid tumors and malignant hematological disorders. They are very common and well studied in lymphomas which are associated with immune imbalance. They are less common in solid tumors and are categorized as paraneoplastic syndromes with unclear pathogenesis. AIM: The aim of the present study was to find the frequency of autoimmune phenomena in solid tumors of various origin, location and status of the tumor...
September 1, 2016: Folia Medica
F Moro, G F Zannoni, D Arciuolo, T Pasciuto, S Amoroso, F Mascilini, S Mainenti, G Scambia, A C Testa
OBJECTIVES: To describe clinical and ultrasound findings of mucinous ovarian tumors. METHODS: Patients with a histological diagnosis of mucinous ovarian tumor who had undergone preoperative ultrasound examination were retrospectively identified from a single ultrasound center. The histological examination was performed by the same pathologist in all cases. The masses were described using the terms and definitions of the International Ovarian Tumor Analysis group...
August 12, 2016: Ultrasound in Obstetrics & Gynecology
Maria Coakley, Vicki Cleary, Nicholas Power, Seamus O'Reilly
No abstract text is available yet for this article.
October 19, 2016: European Journal of Human Genetics: EJHG
B J Laan, S M van den Heiligenberg, M Hemelaar
BACKGROUND: Classical Meigs' syndrome consists of the triad of an ovarian fibroma, ascites and pleural effusion. A characteristic of the syndrome is that the excess fluid is resorbed after surgical resection of the tumour. CASE DESCRIPTION: A 49-year-old woman was admitted to accident and emergency department in a neglected, cachectic and hypothermic condition. A CT scan revealed an ovarian tumour, ascites and a right-sided pleural effusion. The level of the tumour marker CA-125 was also greatly elevated...
2016: Nederlands Tijdschrift Voor Geneeskunde
Manabu Sakurai, Koji Matsumoto, Masahiko Gosho, Akiko Sakata, Yoshihiko Hosokawa, Yuri Tenjimbayashi, Takashi Katoh, Ayumi Shikama, Haruna Komiya, Hiroo Michikami, Nobutaka Tasaka, Azusa Akiyama-Abe, Sari Nakao, Hiroyuki Ochi, Mamiko Onuki, Takeo Minaguchi, Hiroyuki Yoshikawa, Toyomi Satoh
OBJECTIVES: Our 2007 study of 32 patients with ovarian cancer reported the possible involvement of tissue factor (TF) in the development of venous thromboembolism (VTE) before treatment, especially in clear cell carcinoma (CCC). This follow-up study further investigated this possibility in a larger cohort. METHODS: We investigated the intensity of TF expression (ITFE) and other variables for associations with VTE using univariate and multivariate analyses in 128 patients with epithelial ovarian cancer initially treated between November 2004 and December 2010, none of whom had received neoadjuvant chemotherapy...
October 17, 2016: International Journal of Gynecological Cancer
Daniel J Zaccarini, Xiaobing Deng, Jamie Tull, Charlene Maciak, Alfredo L Valente, Shengle Zhang
The characteristic immunoprofile for the diagnosis of synovial sarcoma, a neoplasm of unclear tissue origin, is expression of transducer-like enhancer of split 1 (TLE-1), CD99, partial expression of cytokeratin, and epithelial membrane antigen by immunohistochemistry (IHC). Diagnostic dilemma or misdiagnosis can occur due to overlap in IHC and morphology with carcinomas, and particularly poorly differentiated and metastatic tumors. The frequency of TLE-1 and CD99 expression in carcinomas by IHC has not been previously assessed...
October 7, 2016: Applied Immunohistochemistry & Molecular Morphology: AIMM
J Hu, P Z Zheng, L R Zhu
OBJECTIVE: To analyze the risk and prognostic of patients with stage IB1 cervical adenocarcinoma. METHODS: The clinical data of 139 patients with stage IB1 cervical adenocarcinoma treated at Department of Gynecology and Obstetrics in Peking University First Hospital from August 1994 to April 2015 were retrospectively reviewed, which included 38 cases of cervical adenocarcinoma and 101 cases of cervical squamous cell carcinoma. A comparison was made between ovarian preserving group and bilateral oophorectomy group, in order to justify the risk and prognosis of ovarian preserving patients...
October 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
Hongyan Zhang, Wanbin Li
The objective of the present study was to identify the association between mir-143-3p and RalA-binding protein 1 (RALBP1), and their roles in regulating the development of ovarian cancer. Overexpression of RALBP1 induced apoptosis of the ovarian cancer cells, and developed ovarian cancer. In silico analysis and luciferase assay were used to identify whether RALBP1 was the target of mir-143-3p. Subsequently, real‑time PCR and western blotting were used to determine the expression level of mir-143-3p, RALBP1 mRNA and protein in different groups, furthermore, MTT assay and flow cytometry were used to detect the viability and apoptosis of cells in different treatment groups...
October 4, 2016: Oncology Reports
Ravinder Kaur Sachdeva, Aman Sharma, Surjit Singh, Subhash Varma
BACKGROUND & OBJECTIVES: There is scarcity of data on the frequency of malignancies in HIV infected individuals from India. The objective of this study was to determine the type and frequency of malignancies in HIV infected individuals attending a tertiary care hospital in north India. METHODS: The study design included retrospective analysis of data of all HIV infected individuals registered in the Immunodeficiency clinic from December 2009 to December 2011 and a prospective analysis of HIV infected individuals registered from January 2012 to April 2013...
May 2016: Indian Journal of Medical Research
Cunxian Zhang, C James Sung, M Ruhul Quddus, Rochelle A Simon, Tarek Jazaerly, W Dwayne Lawrence
Ovarian hyperthecosis, a source of estrogen, may occur in postmenopausal women. In this study, we evaluated the possible association of ovarian hyperthecosis with endometrial polyp, endometrial hyperplasia, and endometrioid adenocarcinoma in postmenopausal women. Our study consisted of 238 postmenopausal women: 108 with endometrioid adenocarcinoma and 130 without endometrial carcinoma. The International Federation of Gynecology and Obstetrics system was used to grade endometrioid adenocarcinoma. Within the endometrioid adenocarcinoma cases, 48 (44...
October 13, 2016: Human Pathology
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