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Carcinoma ovarian

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https://www.readbyqxmd.com/read/28918402/rare-case-of-primary-leiomyosarcoma-of-sigmoid-mesocolon
#1
Aizat Sabri Ilias, Huzairi Yaacob, Wan Zainira Wan Zain, Andee Dzulkarnaen Zakaria
We experienced a rare case of primary leiomyosarcoma of sigmoid mesentery. A 45-year-old woman was presented to us with left iliac fossa mass and discomfort for 4-month duration. CT scan of abdomen and pelvis revealed a huge mass 14 cm×14 cm×16 cm occupying left iliac fossa mimicked having a large left ovarian carcinoma. She was subsequently planned for elective total abdominal hysterectomy and bilateral salpingo-oophorectomy by gynaecology team. During laparotomy, a huge mass was revealed arising from sigmoid mesentery invaded to the left lower ureter...
September 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28916367/rucaparib-maintenance-treatment-for-recurrent-ovarian-carcinoma-after-response-to-platinum-therapy-ariel3-a-randomised-double-blind-placebo-controlled-phase-3-trial
#2
Robert L Coleman, Amit M Oza, Domenica Lorusso, Carol Aghajanian, Ana Oaknin, Andrew Dean, Nicoletta Colombo, Johanne I Weberpals, Andrew Clamp, Giovanni Scambia, Alexandra Leary, Robert W Holloway, Margarita Amenedo Gancedo, Peter C Fong, Jeffrey C Goh, David M O'Malley, Deborah K Armstrong, Jesus Garcia-Donas, Elizabeth M Swisher, Anne Floquet, Gottfried E Konecny, Iain A McNeish, Clare L Scott, Terri Cameron, Lara Maloney, Jeff Isaacson, Sandra Goble, Caroline Grace, Thomas C Harding, Mitch Raponi, James Sun, Kevin K Lin, Heidi Giordano, Jonathan A Ledermann
BACKGROUND: Rucaparib, a poly(ADP-ribose) polymerase inhibitor, has anticancer activity in recurrent ovarian carcinoma harbouring a BRCA mutation or high percentage of genome-wide loss of heterozygosity. In this trial we assessed rucaparib versus placebo after response to second-line or later platinum-based chemotherapy in patients with high-grade, recurrent, platinum-sensitive ovarian carcinoma. METHODS: In this randomised, double-blind, placebo-controlled, phase 3 trial, we recruited patients from 87 hospitals and cancer centres across 11 countries...
September 12, 2017: Lancet
https://www.readbyqxmd.com/read/28914967/chemotherapy-response-score-is-a-useful-histological-predictor-of-prognosis-in-high-grade-serous-carcinoma
#3
Authors Priya Singh, Vikrant Kaushal, Bhavana Rai, Arvind Rajwanshi, Nalini Gupta, Pranab Dey, Rashi Garg, Manish Rohilla, Vanita Suri, Sushmita Ghoshal, Radhika Srinivasan
AIM: High grade serous carcinoma (HGSC) is the most common tubal/ovarian malignant tumor usually presenting in advance stage. Interval debulking surgery (IDS) post neoadjuvant chemotherapy (NACT) has been increasingly in use for the management of these patients. Chemotherapy response score (CRS) has been proposed for grading response of tubo-ovarian HGSC to NACT on the basis of examination of IDS specimens. Our aim was to evaluate CRS in post NACT cases, assess the interobserver agreement and correlate it to overall and progression- free survival...
September 15, 2017: Histopathology
https://www.readbyqxmd.com/read/28914675/ganglioneuroblastoma-arising-in-an-ovarian-dermoid-cyst-first-report-in-the-literature
#4
Simon Rajendran, Debra Jensen, W Glenn McCluggage
The development of a somatic neoplasm within an ovarian dermoid cyst (mature cystic teratoma) is a rare, but well described, phenomenon which occurs in approximately 1% of all cases. Any of the tissue components of a dermoid cyst has the potential to undergo neoplastic transformation with carcinoid tumors and squamous cell carcinomas being among the most common neoplasms. We report a case of a ganglioneuroblastoma arising within an ovarian dermoid cyst, an association which, as far as we are aware, has not been described previously...
September 13, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/28913125/bilateral-ovarian-metastasis-of-a-klatskin-tumor-a-rare-case
#5
Sefa Kurt, Çağnur Ulukuş, Seher Nazlı Kazaz, İbrahim Astarcıoğlu
Metastatic carcinomas of the ovary have an important place in all ovarian cancers and tumors. They can originate from many organs and systems and may metastasize to the ovary. The most common primary origin of metastasis is the gastrointestinal tract and then breast tissue. Cholangiocellular carcinomas involving the junction of the right and left bile ducts are called Klatskin tumors, and their metastases to the ovaries are very rare. A woman aged 54 years who had been treated previously for Klatskin tumor was admitted to our clinic due to bilateral ovarian masses and high serum calcium 19-9 levels...
December 2016: Turk J Obstet Gynecol
https://www.readbyqxmd.com/read/28911827/single-site-robot-assisted-laparoscopic-staging-surgery-for-presumed-clinically-early-stage-ovarian-cancer
#6
Ji Geun Yoo, Woo Jin Kim, Keun Ho Lee
STUDY OBJECTIVE: To present the demonstration of Robotic-assisted laparoendoscopic single-site(R-LESS) staging surgery in presumed clinically early stage ovarian cancer. DESIGN: A step-by-step presentation of the procedure using video (Canadian Task Force classification III). SETTING: A university hospital. INTERVENTION: A 29-year-old woman was referred from a local clinic for an 8x6cm sized left ovarian tumor suggesting malignancy...
September 11, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28911005/ociad2-suppressed-tumor-growth-and-invasion-via-akt-pathway-in-hepatocelluar-carcinoma
#7
Dan Wu, Xufang Yang, Huiming Peng, Dongmin Guo, Weiling Zhao, Chen Zhao, Xiaobo Zhou
Hepatocellular carcinoma (HCC) is an aggressive tumor and the third leading cause of cancer-related death worldwide. Ovarian carcinoma immunoreactive antigen-like protein 2 (OCIAD2) has been found frequently methylated in various cancers, including HCC. The aim of the present study was to investigate the role of OCIAD2 in HCC progression. We analyzed liver hepatocellular carcinoma patients' data from the Cancer Genome Atlas (TCGA), including data extracted from 371 HCC tissues and 50 adjacent normal liver tissues...
September 1, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28906381/comparison-of-secondary-cytoreductive-surgery-plus-chemotherapy-with-chemotherapy-alone-for-recurrent-epithelial-ovarian-tubal-or-peritoneal-carcinoma-a-propensity-score-matched-analysis-of-112-consecutive-patients
#8
Akimasa Takahashi, Kazuyoshi Kato, Motoki Matsuura, Takahiro Katsuda, Maki Matoda, Hidetaka Nomura, Sanshiro Okamoto, Hiroyuki Kanao, Eiji Kondo, Kohei Omatsu, Kuniko Utsugi, Nobuhiro Takeshima
To compare secondary cytoreductive surgery (SCS) plus chemotherapy with chemotherapy alone in Japanese patients with recurrent epithelial ovarian, tubal, or peritoneal cancer (ROC).From our institutional database, we identified 112 patients who underwent therapy for ROC between 2005 and 2013. Of the 112 patients, 77 received salvage chemotherapy alone (CT group) and 35 received SCS plus chemotherapy (SCS group). To reduce the impact of treatment selection bias on treatment outcomes, propensity score-matching analysis was used...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28906309/cancer-stem-cell-related-marker-nanog-expression-in-ovarian-serous-tumors-a-clinicopathological-study-of-159-cases
#9
Nataša Kenda Šuster, Snježana Frković Grazio, Irma Virant-Klun, Ivan Verdenik, Špela Smrkolj
OBJECTIVE: The objectives of this study were to assess cancer stem cell-related marker NANOG expression in ovarian serous tumors and to evaluate its prognostic significance in relation to ovarian serous carcinoma. METHODS: NANOG protein expression was immunohistochemically evaluated in the ovarian tissue microarrays of 20 patients with benign ovarian serous tumors, 30 patients with borderline ovarian serous tumors, and 109 patients with ovarian serous carcinomas, from which 106 were of high-grade and 3 of low-grade morphology Immunohistochemical reaction was scored according to signal intensity and the percentage of positive cells in tumor samples...
September 13, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28903417/disruption-of-dna-repair-in-cancer-cells-by-ubiquitination-of-a-destabilising-dimerization-domain-of-nucleotide-excision-repair-protein-ercc1
#10
Lanlan Yang, Ann-Marie Ritchie, David W Melton
DNA repair pathways present in all cells serve to preserve genome stability, but in cancer cells they also act reduce the efficacy of chemotherapy. The endonuclease ERCC1-XPF has an important role in the repair of DNA damage caused by a variety of chemotherapeutic agents and there has been intense interest in the use of ERCC1 as a predictive marker of therapeutic response in non-small cell lung carcinoma, squamous cell carcinoma and ovarian cancer. We have previously validated ERCC1 as a therapeutic target in melanoma, but all small molecule ERCC1-XPF inhibitors reported to date have lacked sufficient potency and specificity for clinical use...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28900328/immune-checkpoint-blockers-and-ovarian-cancer
#11
REVIEW
Chinmoy K Bose
Although the idea, called "cancer immunotherapy," is very appealing and has previously been shown to work in several mouse models of cancer, it has in general been very difficult to translate cancer immunotherapy approaches to humans. Because of this frustration, by the 1990s, many scientists and biotechnology companies had given up on the idea of cancer immunotherapy. After few years, first detection T-cell suppression of effect of cytotoxic T-lymphocyte antigen-4 (CTLA4) molecule was established. Antibody (Ab) to CTLA4 could increase T-cell starting a completely new age of tumor immunology...
April 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28900081/-mir-218-promoted-the-apoptosis-of-human-ovarian-carcinoma-cells-via-suppression-of-the-wnt-%C3%AE-catenin-signaling-pathway
#12
Y Huang, S-H Liang, L-B Xiang, X-T Han, W Zhang, J Tang, X-H Wu, M-Q Zhang
MicroRNA-218 (miR-218) is a short, noncoding RNA, with multiple biological functions. In this study, we aimed to investigate the potential effects of miR-218 on the apoptosis of human ovarian carcinoma cells and the underlying mechanisms by which miR-218 exerted its actions. After over-expressing miR-218 in human ovarian carcinoma (OVCAR3) cells, cell viability was determined by MTT method, cell apoptosis was observed by flow cytometry (FCM), mRNA expression of miR-218, Bcl2, Bax was measured by RT-PCR and protein expression levels of Wnt, tankyrase and β-catenin were quantified by Western blots...
July 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28895414/knockdown-of-tripartite-motif-containing-28-suppresses-the-migration-invasion-and-epithelial-mesenchymal-transition-in-ovarian-carcinoma-cells-through-down-regulation-of-wnt-%C3%AE-catenin-signaling-pathway
#13
B Deng, S Zhang, Y Zhang, Y Miao, X Meng, K Guo
Tripartite motif containing 28 (TRIM28) is a transcriptional corepressor of Kruppel-associated box zinc finger protein, which has been reported to participate in carcinogenesis. Nonetheless, whether TRIM28 plays a role in the metastasis of ovarian carcinoma (OC) is unclear and requires further investigation. In this study, two OC cell lines (A2780 and OVCAR-3) with stable low expression of TRIM28 were established via RNA interference. We found that the migratory and invasive ability of TRIM28-silenced OC cells significantly decreased...
September 12, 2017: Neoplasma
https://www.readbyqxmd.com/read/28894575/genomic-imbalances-and-myb-fusion-in-synchronous-bilateral-adenoid-cystic-carcinoma-and-invasive-lobular-carcinoma-of-the-breast
#14
Anikó Kovács, Fredrik Persson, Marta Persson, Mattias K Andersson, Göran Stenman
The incidence of synchronous bilateral breast carcinomas (BBCs) has increased with a more frequent use of magnetic resonance imaging screening of the contralateral breast in women with newly diagnosed breast cancer. A total of 30% of all BBCs occur synchronously. In the present study, we describe a unique case of synchronous BBC in a 59-year-old previously healthy woman with no known family history of breast or ovarian cancer. At the time of diagnosis the patient had an invasive lobular carcinoma (ILC) in the right breast and an adenoid cystic carcinoma (ACC) in the left breast...
September 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28893836/immunotherapy-against-endocrine-malignancies-immune-checkpoint-inhibitors-lead-the-way
#15
Lucas Leite Cunha, Marjory Alana Marcello, Vinicius Rocha-Santos, Laura Sterian Ward
Immune checkpoint inhibitors are agents that act by inhibiting the mechanisms of immune escape displayed by various cancers. The success of immune checkpoint inhibitors against several tumors has promoted a new treatment strategy in clinical oncology, and this has encouraged physicians to increase the number of patients who receive the immune checkpoint therapy. In the present article, we review the main concepts regarding immune checkpoint mechanisms and how cancer disrupts them to undergo immune escape. In addition, we describe the most essential concepts related to immune checkpoint inhibitors...
September 11, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/28893231/involvement-of-dpp9-in-gene-fusions-in-serous-ovarian-carcinoma
#16
Marianne Lislerud Smebye, Antonio Agostini, Bjarne Johannessen, Jim Thorsen, Ben Davidson, Claes Göran Tropé, Sverre Heim, Rolf Inge Skotheim, Francesca Micci
BACKGROUND: A fusion gene is a hybrid gene consisting of parts from two previously independent genes. Chromosomal rearrangements leading to gene breakage are frequent in high-grade serous ovarian carcinomas and have been reported as a common mechanism for inactivating tumor suppressor genes. However, no fusion genes have been repeatedly reported to be recurrent driver events in ovarian carcinogenesis. We combined genomic and transcriptomic information to identify novel fusion gene candidates and aberrantly expressed genes in ovarian carcinomas...
September 11, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28892996/pelvic-mass-lesions-in-females-tissue-characterization-capability-of-mri
#17
Pramod Ramchand Shaha, Rahul Khetawat, Kulamani Sahoo, Ashish Garg, Mohd Abbas Ilyas, Gaurav Khairnar, Sahil Garg, Shree Hari Budgemwar
INTRODUCTION: Magnetic Resonance Imaging (MRI) of adult female pelvis is a well-established tool in the evaluation of utero-ovarian lesions and is often used to supplement ultrasonography. The need for diagnostic surgical intervention has largely been eclipsed with the advent of MRI, which has become the imaging modality of choice for characterization of pelvic masses. AIM: To assess the role of MRI in female pelvic mass lesions and to exploit the tissue characterization capability of MRI...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28890426/lymph-node-dissection-in-atypical-endometrial-hyperplasia
#18
Salih Taşkın, Özgür Kan, Ömer Dai, Elif A Taşkın, Kazibe Koyuncu, Ayşegül Alkılıç, Mete Güngör, Fırat Ortaç
OBJECTIVE: The rate of concomitant endometrial carcinoma in patients with atypical endometrial hyperplasia is high. We aimed to investigate the role of lymphadenectomy in deciding adjuvant treatment in patients with concomitant atypical endometrial hyperplasia and endometrial carcinoma. MATERIAL AND METHODS: Women with atypical endometrial hyperplasia were enrolled in this retrospective study. Lymph node dissection was performed in only some patients who gave informed consent if their surgeon elected to do so, or if the intraoperative findings necessitated...
September 1, 2017: Journal of the Turkish German Gynecological Association
https://www.readbyqxmd.com/read/28889522/salidroside-a-chemopreventive-glycoside-diminishes-cytotoxic-effect-of-cisplatin-in-vitro
#19
Martina Zduriencikova, Dana Cholujova, Jozef Duraj, Maria Mastihubova, Vladimir Mastihuba, Elena Karnisova Potocka, Eliska Galova, Andrea Sevcovicova, Martina Klapakova, Eva Horvathova
Natural products represent the source or the inspiration for the majority of the active ingredients of medicines because of their structural diversity and a wide range of biological effects. Our aims in this study were (i) to synthesize enzymatically salidroside (SAL), the most effective phenylethanoid glycoside in Rhodiola species; (ii) to examine its antioxidant capacity using cell-free assays (reducing power, DPPH radicals scavenging and Fe(2+) -chelating assays); (iii) to assess its DNA-protective potential on plasmid DNA (DNA topology assay) and in HepG2 cells (comet assay) damaged by Fe(2+) ions and hydrogen peroxide, respectively; and (iv) to investigate the effects of SAL, cisplatin (CDDP) and combined treatments of SAL + CDDP on cell viability (MTT test), level of DNA damage (comet assay), proliferation, cell cycle (flow cytometry) and the expression of signalling molecules associated with cell growth and apoptotic pathways (western immunoblotting)...
September 10, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28888575/fascaplysin-inhibit-ovarian-cancer-cell-proliferation-and-metastasis-through-inhibiting-cdk4
#20
Shuo Chen, Xue Guan, Li-Li Wang, Bo Li, Xiu-Bo Sang, Yao Liu, Yang Zhao
OBJECTIVE: Cyclin-dependent kinases (CDKs) are important regulators of the cell cycle; previous studies have shown that misregulation of CDK4 (cyclin-dependent kinase 4) activity can lead to cancer. The present study investigated the anti-tumor effects of a highly selective CDK4 inhibitor fascaplysin in ovarian carcinoma cell lines. MATERIALS AND METHODS: In our study, cell proliferation, cell cycle, cell apoptosis, cell invasion, and cell migration relative assays were performed in ovarian cancer cell lines A2780 and OVCAR3 in the presence of different concentrations of fascaplysin...
September 6, 2017: Gene
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