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ovarian cancer review

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https://www.readbyqxmd.com/read/28431566/the-prognostic-value-of-the-preoperative-c-reactive-protein-albumin-ratio-in-ovarian-cancer
#1
Yubo Liu, Shengfu Chen, Chengyu Zheng, Miao Ding, Lan Zhang, Liangan Wang, Meiqing Xie, Jianhua Zhou
BACKGROUND: Inflammation plays an important role in the pathogenesis of ovarian cancer. This study sought to investigate the association between the preoperative c-reactive protein/albumin ratio (CRP/Alb) and oncological outcomes in ovarian cancer patients. METHODS: Two hundred patients with histologically verified ovarian cancer between June 2006 and July 2012 were retrospectively reviewed. Overall survival was evaluated by the Kaplan-Meier method and log-rank test...
April 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28430641/the-regulation-of-%C3%AE-catenin-activity-and-function-in-cancer-therapeutic-opportunities
#2
REVIEW
Shuang Shang, Fang Hua, Zhuo-Wei Hu
Wnt/β-catenin signaling is an evolutionarily conserved and versatile pathway that is known to be involved in embryonic development, tissue homeostasis and a wide variety of human diseases. Aberrant activation of this pathway gives rise to the accumulation of β-catenin in the nucleus and promotes the transcription of many oncogenes such as c-Myc and CyclinD-1. As a result, it contributes to carcinogenesis and tumor progression of several cancers, including colon cancer, hepatocellular carcinoma, pancreatic cancer, lung cancer and ovarian cancer...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429056/prognostic-significance-of-supradiaphragmatic-lymph-nodes-at-initial-presentation-in-patients-with-stage-iii-high-grade-serous-ovarian-cancer
#3
L J McIntosh, A C O'Neill, S Bhanusupriya, S A Matalon, A D Van den Abbeele, N H Ramaiya, A B Shinagare
PURPOSE: To identify the optimal size threshold and to assess the prognostic significance of supradiaphragmatic lymph nodes at initial presentation of patients with high-grade serous ovarian cancer (HGSC). METHODS: This IRB-approved, HIPAA-compliant retrospective study included baseline pretreatment staging abdominal CTs of 88 women (mean age 62 years, SD 10.4, range 29-85) with FIGO stage III HGSC. Patients with stage IV disease were excluded due to worse prognosis and management guided by distant metastases...
April 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28427560/stress-adaptive-response-in-ovarian-cancer-drug-resistance-role-of-trap1-in-oxidative-metabolism-driven-inflammation
#4
Maria Rosaria Amoroso, Danilo Swann Matassa, Ilenia Agliarulo, Rosario Avolio, Francesca Maddalena, Valentina Condelli, Matteo Landriscina, Franca Esposito
Metabolic reprogramming is one of the most frequent stress-adaptive response of cancer cells to survive environmental changes and meet increasing nutrient requirements during their growth. These modifications involve cellular bioenergetics and cross talk with surrounding microenvironment, in a dynamic network that connect different molecular processes, such as energy production, inflammatory response, and drug resistance. Even though the Warburg effect has long been considered the main metabolic feature of cancer cells, recent reports identify mitochondrial oxidative metabolism as a driving force for tumor growth in an increasing number of cellular contexts...
2017: Advances in Protein Chemistry and Structural Biology
https://www.readbyqxmd.com/read/28427528/mechanisms-of-chemotherapy-induced-ovarian-damage-in-breast-cancer-patients
#5
REVIEW
Giovanni Codacci-Pisanelli, Lino Del Pup, Maria Del Grande, Fedro A Peccatori
Fertility preservation in breast cancer patients is an increasingly relevant topic. In the present paper we review available data on the mechanism of ovarian damage caused by anticancer agents currently used for the treatment of breast cancer. We also describe current methods to preserve fertility including oocytes or ovarian tissue freezing and administration of LH-RHa during chemotherapy. The aim of the paper is to provide clinical oncologists with an adequate knowledge of the subject to enable them to give a correct counselling to young women that must receive chemotherapy and want to increase their possibilities of maintaining fertility...
May 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28427178/prognostic-value-of-foxm1-in-solid-tumors-a-systematic-review-and-meta-analysis
#6
Lijun Li, Dang Wu, Qun Yu, Lingdi Li, Pin Wu
Accumulated studies have provided controversial evidences of the association between Forkhead Box M1 (FOXM1) expression and survival of human solid tumors. To address this inconsistency, we performed a meta-analysis with 23 studies identified from PubMed and Medline. We found elevated FOXM1-protein expression was significantly associated with worse 3-year overall survival (OS) (OR = 3.30, 95% CI = 2.56 to 4.25, P < 0.00001) 5-year OS (OR =3.35, 95% CI = 2.64 to 4.26, P < 0.00001) and 10-year OS (OR = 5...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426098/targeting-chromatin-defects-in-selected-solid-tumors-based-on-oncogene-addiction-synthetic-lethality-and-epigenetic-antagonism
#7
D Morel, G Almouzni, J-C Soria, S Postel-Vinay
Background: Although the role of epigenetic abnormalities has been studied for several years in cancer genesis and development, epigenetic-targeting drugs have historically failed to demonstrate efficacy in solid malignancies. However, successful targeting of chromatin remodeling deficiencies, histone writers and histone reader alterations has been achieved very recently using biomarker-driven and mechanism-based approaches. Epigenetic targeting is now one of the most active areas in drug development and could represent novel therapeutic opportunity for up to 25% of all solid tumors...
February 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28425306/therapeutic-targeting-and-patient-selection-for-cancers-with-homologous-recombination-defects
#8
Francien Talens, Mathilde Jalving, Jourik A Gietema, Marcel A T M van Vugt
DNA double-strand breaks (DSBs) are toxic DNA lesions that can be repaired by non-homologous end-joining (NHEJ) or homologous recombination (HR). Mutations in HR genes elicit a predisposition to cancer; yet, they also result in increased sensitivity to certain DNA damaging agents and poly (ADP-ribose) polymerase (PARP) inhibitors. To optimally implement PARP inhibitor treatment, it is important that patients with HR-deficient tumors are adequately selected. Areas covered: Herein, the authors describe the HR pathway mechanistically and review the treatment of HR-deficient cancers, with a specific focus on PARP inhibition for BRCA1/2-mutated breast and ovarian cancer...
April 20, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28423659/targeting-hox-pbx-dimers-in-cancer
#9
REVIEW
Richard Morgan, Mohamed El-Tanani, Keith D Hunter, Kevin J Harrington, Hardev S Pandha
The HOX and PBX gene families encode transcription factors that have key roles in establishing the identity of cells and tissues in early development. Over the last 20 years it has become apparent that they are also dysregulated in a wide range of solid and haematological malignancies and have a predominantly pro-oncogenic function. A key mode of transcriptional regulation by HOX and PBX proteins is through their interaction as a heterodimer or larger complex that enhances their binding affinity and specificity for DNA, and there is growing evidence that this interaction is a potential therapeutic target in malignancies that include prostate, breast, renal, ovarian and lung cancer, melanoma, myeloma, and acute myeloid leukaemia...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423365/preoperative-neutrophil-to-lymphocyte-ratio-is-a-predictor-of-survival-of-epithelial-ovarian-cancer-a-systematic-review-and-meta-analysis-of-observational-studies
#10
Zhuo Yang, Jia-Hui Gu, Cui-Shan Guo, Xin-Hui Li, Wen-Chao Yang
Inflammation plays an important role in the development and progression of epithelial ovarian cancer (EOC). However, no meta-analysis has comprehensively and quantitatively investigated the prognostic value of the neutrophil-to-lymphocyte ratio (NLR) in EOC patients. Therefore, we performed a meta-analysis to quantify the prognostic impact of this biomarker. We searched the PubMed and Web of Science databases from their inception through December 31, 2016, and examined observational studies evaluating the association of preoperative NLR with progression-free survival (PFS) and overall survival (OS) of EOC patients...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28422831/association-between-diabetes-mellitus-and-subsequent-ovarian-cancer-in-women-a-systematic-review-and-meta-analysis-of-cohort-studies
#11
Lihua Wang, Liangliang Wang, Jing Zhang, Beibei Wang, Hongli Liu
Epidemiologic studies have suggested that diabetes mellitus (DM) might be associated with risk of ovarian cancer; however, the results have been inconsistent. The aim of this study was to determine the relationship between DM and the incidence of ovarian cancer on the basis of cohort studies.Relevant studies from PubMed, Embase, and the Cochrane Library until September 2016 were collected. The summary risk ratio (RR) was used as the effect measure in a random effects model. Sensitivity analysis, subgroup analysis, and calculation of publication bias were conducted...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28421497/chapter-13-human-ovarian-tissue-vitrification
#12
Sherman Silber
Ovarian freezing and transplantation has garnered increasing interest as a potential way of preserving fertility in cancer patients as well as for women who just wish to delay childbearing. This chapter spells out our techniques of ovarian cortex vitrification and results for frozen compared to fresh ovarian cortex transplantation (in one single series from one center for the sake of consistency), as well as potentially provides insight into the mechanism behind ovarian follicle recruitment. This represents an effort to simplify and popularize an approach that has yielded favorable results (all cases recovered ovulation and 75% had successful spontaneous pregnancy) in one single, disciplined study...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28420839/solitary-gastric-metastasis-from-a-stage-ia-serous-ovarian-carcinoma-a-case-report-with-literature-review
#13
Keishi Mizuguchi, Hiroshi Minato, Isao Yoshida, Junpei Iwadare, Kayo Kayahashi, Yuki Mitani, Kazuyoshi Watanabe
Gastric metastasis from ovarian cancer is exceptionally rare and generally occurs in advanced stages. A 71-year-old woman presented with a solitary gastric submucosal mass 8 years after the diagnosis of a stage IA ovarian serous adenocarcinoma. Endoscopy showed a tumor covered with normal gastric mucosa. Initially, a gastrointestinal stromal tumor was suspected, but biopsy revealed a histology of invasive micropapillary carcinoma, similar to the histological findings of the previously resected ovarian tumor...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28418854/association-between-the-brca2-rs144848-polymorphism-and-cancer-susceptibility-a-meta-analysis
#14
REVIEW
Qiuyan Li, Rongwei Guan, Yuandong Qiao, Chang Liu, Ning He, Xuelong Zhang, Xueyuan Jia, Haiming Sun, Jingcui Yu, Lidan Xu
The BRCA2 gene plays an important role in cancer carcinogenesis, and polymorphisms in this gene have been associated with cancer risk. The BRCA2 rs144848 polymorphism has been associated with several cancers, but results have been inconsistent. In the present study, a meta-analysis was performed to assess the association between the rs144848 polymorphism and cancer risk. Literature was searched from the databases of PubMed, Embase and Google Scholar before April 2016. The fixed or random effects model was used to calculate pooled odd ratios on the basis of heterogeneity...
March 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418211/cutting-costs-and-standardizing-care-once-per-cycle-complete-blood-count-monitoring-may-be-safe-for-patients-undergoing-platinum-based-chemotherapy
#15
Christine Garcia, Lauren Montemorano, Erin Saks, Linda R Duska, Leigh A Cantrell
AIM: The aim of this study was to evaluate whether frequency of complete blood count (CBC) testing during chemotherapy for gynecologic cancer impacts hospital admissions or rates of neutropenic fever. METHODS: A retrospective cohort study was performed at a single academic institution. Patients undergoing platinum-based chemotherapy for endometrial or ovarian cancer from January 2010 to December 2014 were identified from a clinical database. Patients receiving dose-dense chemotherapy or on a clinical trial were excluded...
April 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28417928/potential-coagulation-factor-driven-pro-inflammatory-responses-in-ovarian-cancer-tissues-associated-with-insufficient-o%C3%A2-and-plasma-supply
#16
REVIEW
Shiro Koizume, Yohei Miyagi
Tissue factor (TF) is a cell surface receptor for coagulation factor VII (fVII). The TF-activated fVII (fVIIa) complex is an essential initiator of the extrinsic blood coagulation process. Interactions between cancer cells and immune cells via coagulation factors and adhesion molecules can promote progression of cancer, including epithelial ovarian cancer (EOC). This process is not necessarily advantageous, as tumor tissues generally undergo hypoxia due to aberrant vasculature, followed by reduced access to plasma components such as coagulation factors...
April 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28411948/reporting-denominator-data-is-essential-for-benchmarking-and-quality-standards-in-ovarian-cancer
#17
Andrew Phillips, Janos Balega, James Nevin, Kavita Singh, Ahmed Elattar, Sean Kehoe, Sudha Sundar
OBJECTIVE: Combined surgery and platinum-based chemotherapy is the internationally agreed standard therapy for advanced ovarian cancer (AOC). However international cancer registry datasets demonstrate a significant proportion of patients do not receive both or either therapies. Our objective was to evaluate the effect of total patient cohort data ('Denominator') on median overall survival (OS) and determine how frequently this was reported in literature. METHODS: We retrospectively reviewed OS outcomes for 593 patients diagnosed with AOC for 77 months at a regional cancer centre...
April 12, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28411145/current-and-future-role-of-genetic-screening-in-gynecologic-malignancies
#18
REVIEW
Kari L Ring, Christine Garcia, Martha H Thomas, Susan C Modesitt
The world of hereditary cancers has seen an exponential growth in recent years. While Hereditary Breast and Ovarian Cancer and Lynch syndrome account for the majority of mutations encountered by gynecologists, newly identified deleterious genetic mutations continue to be unearthed with their associated risks of malignancies. However, these advances in genetic cancer predispositions then force practitioners and their patients to confront the uncertainties of these less commonly identified mutations and the fact that there is limited evidence to guide them in expected cancer risk and appropriate risk reduction strategies...
April 11, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28411144/management-of-sexuality-intimacy-and-menopause-symptoms-sims-in-ovarian-cancer-patients-expert-review
#19
REVIEW
Margaret Whicker, Jonathan Black, Gary Altwerger, Gulden Menderes, Jacqueline Feinberg, Elena Ratner
Issues of sexuality, intimacy, and early menopause significantly impact the quality of life of patients following the diagnosis and treatment of ovarian cancer. These are undertreated problems. Successful treatment requires the provider's awareness of the problem, ability to identify it, and willingness to treat it. Unfortunately many providers do not address these issues in the pre-treatment or perioperative period. Furthermore, patients do not often alert their providers to their symptoms. While systemic hormone therapy may improve many of the issues, they are not appropriate for all patients given their action on estrogen receptors...
April 11, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28408326/emp1-emp-2-and-emp3-as-novel-therapeutic-targets-in-human-cancer
#20
REVIEW
Wang Yi-Wen, Cheng Hong-Ling, Ding Ya-Rou, Chou Lien-Hsuan, Chow Nan-Haw
The epithelial membrane protein genes 1, 2, and 3 (EMP1, EMP2, and EMP3) belong to the peripheral myelin protein 22-kDa (PMP22) gene family, which consists of at least seven members: PMP22, EMP1, EMP2, EMP3, PERP, brain cell membrane protein 1, and MP20. This review addresses the structural and functional features of EMPs, detailing their tissue distribution and functions in the human body, their expression pattern in a variety of tumors, and highlighting the underlying mechanisms involved in carcinogenesis...
April 10, 2017: Biochimica et Biophysica Acta
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