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https://www.readbyqxmd.com/read/28641048/updates-and-current-challenges-in-microrna-research-for-personalized-medicine-in-ovarian-cancer
#1
Victoria Mandilaras, Mégane Vernon, Matthieu Meryet-Figuière, Katherine Karakasis, Bernard Lambert, Laurent Poulain, Amit Oza, Christophe Denoyelle, Stephanie Lheureux
Ovarian cancer (OC) is the second most common and the most lethal of the gynecological malignancies. Currently, there exists no effective screening tool for OC. MicroRNAs (miRNAs) are endogenous 18-23 nucleotide non-coding RNAs that refine gene expression. MiRNAs have been found to be aberrantly expressed in OC tumor tissue as well as detectable in biological fluids such as the blood, urine, and ascites and have been proposed as biomarkers and therapeutic targets for OC. Areas covered: This review summarizes the current knowledge regarding the application of miRNAs as diagnostic, prognostic, and predictive biomarkers in OC...
June 22, 2017: Expert Opinion on Biological Therapy
https://www.readbyqxmd.com/read/28641043/radiogenomics-of-high-grade-serous-ovarian-cancer-multireader-multi-institutional-study-from-the-cancer-genome-atlas-ovarian-cancer-imaging-research-group
#2
Hebert Alberto Vargas, Erich P Huang, Yulia Lakhman, Joseph E Ippolito, Priya Bhosale, Vincent Mellnick, Atul B Shinagare, Maria Anello, Justin Kirby, Brenda Fevrier-Sullivan, John Freymann, C Carl Jaffe, Evis Sala
Purpose To evaluate interradiologist agreement on assessments of computed tomography (CT) imaging features of high-grade serous ovarian cancer (HGSOC), to assess their associations with time-to-disease progression (TTP) and HGSOC transcriptomic profiles (Classification of Ovarian Cancer [CLOVAR]), and to develop an imaging-based risk score system to predict TTP and CLOVAR profiles. Materials and Methods This study was a multireader, multi-institutional, institutional review board-approved, HIPAA-compliant retrospective analysis of 92 patients with HGSOC (median age, 61 years) with abdominopelvic CT before primary cytoreductive surgery available through the Cancer Imaging Archive...
June 22, 2017: Radiology
https://www.readbyqxmd.com/read/28640766/impact-of-recurrence-of-ovarian-cancer-on-quality-of-life-and-outlook-for-the-future
#3
Nicoletta Colombo, Domenica Lorusso, Paolo Scollo
OBJECTIVE: Ovarian cancer recurs in most patients, with a 5-year survival rate less than 30%. Quality of life is an increasingly important issue in patients with cancer, but there are limited data in women with recurrent ovarian cancer in this regard. MATERIALS AND METHODS: We used an ad hoc questionnaire to compare changes in health perceptions, burden of disease, and expectations for the future quality of life in women with and without recurrence of ovarian cancer...
July 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28637314/dna-methylation-signatures-and-coagulation-factors-in-the-peripheral-blood-leucocytes-of-epithelial-ovarian-cancer
#4
Lian Li, Hong Zheng, Yubei Huang, Caiyun Huang, Shuang Zhang, Jing Tian, Pei Li, Anil K Sood, Wei Zhang, Kexin Chen
Solid tumors are increasingly recognized as a systemic disease that is manifested by changes in DNA, RNA, proteins, and metabolites in the blood. Whereas many studies have reported gene mutation events in the circulation, few studies have focused on epigenetic DNA methylation markers. To identify DNA methylation biomarkers in peripheral blood for ovarian cancer, we performed a two-stage epigenome-wide association study. In the discovery stage, we measured genome wide DNA methylation for 485,000 CpG sites in peripheral blood in 24 epithelial ovarian cancer cases and 24 age-matched healthy controls...
June 16, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28637302/re-risk-prediction-for-epithelial-ovarian-cancer-in-11-united-states-based-case-control-studies-incorporation-of-epidemiologic-risk-factors-and-17-confirmed-genetic-loci
#5
(no author information available yet)
No abstract text is available yet for this article.
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637083/changes-in-spiritual-well-being-and-psychological-outcomes-in-ovarian-cancer-survivors
#6
Lauren Z Davis, Michaela Cuneo, Premal H Thaker, Michael J Goodheart, David Bender, Susan Lutgendorf
OBJECTIVE: Because of the poor prognosis of ovarian cancer and concomitant distress, understanding contributors to positive well-being is critical. This study examines spiritual growth as a domain of posttraumatic growth and its contribution to longitudinal emotional outcomes in ovarian cancer. METHODS: Ovarian cancer patients (N=241) completed measures assessing spirituality (FACIT-SP-12; subscales: faith, meaning, and peace), depression (CESD), cancer-specific anxiety (IES), and total mood disturbance (TMD: POMS) prior to surgery and one-year post-surgery...
June 21, 2017: Psycho-oncology
https://www.readbyqxmd.com/read/28637006/the-effect-of-ca125-on-metastasis-of-ovarian-cancer-old-marker-new-function
#7
Qin Yuan, Jiayin Song, Weiwei Yang, Hongyan Wang, Qianyu Huo, Jie Yang, Xiaoxu Yu, Yunde Liu, Chen Xu, Huijing Bao
CA125 has been used extensively to screen for neoplasms, especially in ovarian cancer. The serum CA125 level can be used as a better prognosis evaluation and it may dynamic monitoring the disease progression. We explored the effect of CA125 on ovarian cancer cell migration and its underlying mechanism. Transwell assays showed that exposure to 0.2 μg/ml or 0.4 μg/ml CA125 for 48 h increased migration of A2780 and OVCAR-3 ovarian cancer cells. This effect of CA125 was blocked addition of 200 ng/ml DKK-1, a Wnt pathway inhibitor...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636295/-screening-of-ovarian-cancer-not-for-tomorrow
#8
Aurélie Vuilleumier, Intidhar Labidi-Galy
As the worldwide incidence of cancer continuously rises, one of the measures to reduce mortality is early diagnosis while the disease is still curable. Colonoscopy screening and PAP-smears are worthwhile examples illustrating the impact of early diagnosis on mortality. Ovarian cancer is the first cause of mortality by gynecological cancers in Switzerland (incidence of 600 new cases / year), mostly diagnosed at advanced stages with a poor prognosis. Could surveillance measures improve survival ? Three large-scale randomized control trials failed to show mortality reduction from ovarian cancer with the methods currently available...
May 17, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28635971/exercise-among-women-with-ovarian-cancer-a-feasibility-and-pre-post-test-exploratory-pilot-study
#9
Xiaochen Zhang, Daniel McClean, Emily Ko, Mark A Morgan, Kathryn Schmitz
PURPOSE/OBJECTIVES: To establish the feasibility and acceptability of completing a higher dose of the planned physical activity volume among women with ovarian cancer, including those undergoing active treatment. 
. DESIGN: A pre-/post-test exercise intervention. All participants were asked to complete 225 minutes per week of physical activity for 26 weeks. Multiple supports were provided, including exercise DVDs, self-reported logs, and an objective physical activity tracker (Fitbit®)...
May 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/28634657/longitudinal-perceptions-of-the-side-effects-of-chemotherapy-in-patients-with-gynecological-cancer
#10
Hui-Chun Hsu, Su-Yu Tsai, Shang-Liang Wu, Shiow-Roug Jeang, Mei-Yao Ho, Wen-Shiung Liou, An-Jen Chiang, Tsung-Hsien Chang
PURPOSE: This study aimed to assess the incidence and difference of side effects among six courses of chemotherapy (C/T) in gynecological cancer patients. METHODS: The study period was from Sep. 2010 to Dec. 2011 at the Kaohsiung Veterans General Hospital in Taiwan. The treating protocols, courses, and drugs of C/T in patient were considered according to the different malignant cancers and clinical conditions. The patient data of age, marriage status, education, religion, and experiences of C/T were collected...
June 21, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28634229/akt-activation-by-ca2-calmodulin-dependent-protein-kinase-kinase-2-camkk2-in-ovarian-cancer-cells
#11
Angela M Gocher, Gissou Azabdaftari, Lindsey M Euscher, Shuhang Dai, Loukia G Karacosta, Thomas F Franke, Arthur M Edelman
Hyperactivation of Akt is associated with oncogenic changes in the growth, survival and chemoresistance of cancer cells. The PI3K/Phosphoinositide-dependent kinase (PDK) 1 pathway represents the canonical mechanism for phosphorylation of Akt at its primary activation site, Thr308. We observed that Ca2+/calmodulin (CaM)-dependent protein kinase kinase 2 (beta) (CaMKK2) is highly expressed in high-grade serous ovarian cancer and investigated its role in Akt activation in ovarian cancer (OVCa) cell lines (OVCAR-3, SKOV-3, Caov-3)...
June 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28633896/design-synthesis-and-biological-evaluation-of-novel-3h-imidazole-4-5-b-pyridine-derivatives-as-selective-mtor-inhibitors
#12
Lingzhi Zhang, Tantan Bu, Xiaobo Bao, Tingting Liang, Yiran Ge, Yungen Xu, Qihua Zhu
A series of 3H-imidazo [4,5-b] pyridines derivatives were designed and synthesized as selective mTOR inhibitors. The systematic optimization of the molecules resulted in the identification of two compounds 10d and 10n with nanomolar mTOR inhibitory activity and selectivity over PI3Kα. Besides, compounds 10d and 10n demonstrated attractive potency against human breast cancer cells (MCF-7) and human ovarian cancer cell (A2780).
June 3, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28633436/membrane-androgen-receptor-zip9-induces-croaker-ovarian-cell-apoptosis-via-stimulatory-g-protein-alpha-subunit-and-mapkinase-signaling
#13
Aubrey Converse, Chenan Zhang, Peter Thomas
Recent studies show that androgen-induced apoptosis in Atlantic croaker primary granulosa/theca (G/T) cells and in human breast and prostate cancer cell lines is mediated by the novel membrane androgen receptor ZIP9 which belongs to the SLC39A zinc transporter family. However, the apoptotic signaling pathways remain unclear because ZIP9 activates an inhibitory G protein in human cancer cells, whereas recombinant croaker ZIP9 activates a stimulatory G protein (Gs) in transfected cancer cells. Here we investigated androgen-dependent apoptotic pathways in order to identify the signaling pathways regulated through wild-type croaker ZIP9 in ovarian follicle cells...
June 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28633381/robust-tests-for-additive-gene-environment-interaction-in-case-control-studies-using-gene-environment-independence
#14
Gang Liu, Seunggeun Lee, Alice W Lee, Anna H Wu, Elisa V Bandera, Allan Jensen, Mary Anne Rossing, Kirsten B Moysich, Jenny Chang-Claude, Jennifer Doherty, Aleksandra Gentry-Maharaj, Lambertus Kiemeney, Simon A Gayther, Francesmary Modugno, Leon Massuger, Ellen L Goode, Brooke Fridley, Kathryn L Terry, Daniel W Cramer, Susan J Ramus, Hoda Anton-Culver, Argyrios Ziogas, Jonathan P Tyrer, Joellen M Schildkraut, Susanne K Kjaer, Penelope M Webb, Roberta B Ness, Usha Menon, Andrew Berchuck, Paul D Pharoah, Harvey Risch, Celeste Leigh Pearce, Bhramar Mukherjee
There have been recent proposals advocating the use of additive gene-environment interaction instead of the widely used multiplicative scale, as a more relevant public health measure. Using gene-environment independence enhances the power for testing multiplicative interaction in case-control studies. However, under departure from this assumption, substantial bias in the estimates and inflated Type I error in the corresponding tests can occur. This paper extends the empirical Bayes (EB) approach previously developed for multiplicative interaction that trades off between bias and efficiency in a data-adaptive way, to the additive scale...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28632866/risks-of-breast-ovarian-and-contralateral-breast-cancer-for-brca1-and-brca2-mutation-carriers
#15
Karoline B Kuchenbaecker, John L Hopper, Daniel R Barnes, Kelly-Anne Phillips, Thea M Mooij, Marie-José Roos-Blom, Sarah Jervis, Flora E van Leeuwen, Roger L Milne, Nadine Andrieu, David E Goldgar, Mary Beth Terry, Matti A Rookus, Douglas F Easton, Antonis C Antoniou, Lesley McGuffog, D Gareth Evans, Daniel Barrowdale, Debra Frost, Julian Adlard, Kai-Ren Ong, Louise Izatt, Marc Tischkowitz, Ros Eeles, Rosemarie Davidson, Shirley Hodgson, Steve Ellis, Catherine Nogues, Christine Lasset, Dominique Stoppa-Lyonnet, Jean-Pierre Fricker, Laurence Faivre, Pascaline Berthet, Maartje J Hooning, Lizet E van der Kolk, Carolien M Kets, Muriel A Adank, Esther M John, Wendy K Chung, Irene L Andrulis, Melissa Southey, Mary B Daly, Saundra S Buys, Ana Osorio, Christoph Engel, Karin Kast, Rita K Schmutzler, Trinidad Caldes, Anna Jakubowska, Jacques Simard, Michael L Friedlander, Sue-Anne McLachlan, Eva Machackova, Lenka Foretova, Yen Y Tan, Christian F Singer, Edith Olah, Anne-Marie Gerdes, Brita Arver, Håkan Olsson
Importance: The clinical management of BRCA1 and BRCA2 mutation carriers requires accurate, prospective cancer risk estimates. Objectives: To estimate age-specific risks of breast, ovarian, and contralateral breast cancer for mutation carriers and to evaluate risk modification by family cancer history and mutation location. Design, Setting, and Participants: Prospective cohort study of 6036 BRCA1 and 3820 BRCA2 female carriers (5046 unaffected and 4810 with breast or ovarian cancer or both at baseline) recruited in 1997-2011 through the International BRCA1/2 Carrier Cohort Study, the Breast Cancer Family Registry and the Kathleen Cuningham Foundation Consortium for Research into Familial Breast Cancer, with ascertainment through family clinics (94%) and population-based studies (6%)...
June 20, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28632775/unique-cellular-interactions-between-pancreatic-cancer-cells-and-the-omentum
#16
Valerya Feygenzon, Shelly Loewenstein, Nir Lubezky, Metsada Pasmanic-Chor, Osnat Sher, Joseph M Klausner, Guy Lahat
Pancreatic cancer is a common cause of cancer-related mortality. Omental spread is frequent and usually represents an ominous event, leading to patient death. Omental metastasis has been studied in ovarian cancer, but data on its role in pancreatic cancer are relatively scarce and the molecular biology of this process has yet to be explored. We prepared tissue explants from human omental fat, and used conditioned medium from the explants for various in vitro and in vivo experiments designed to evaluate pancreatic cancer development, growth, and survival...
2017: PloS One
https://www.readbyqxmd.com/read/28632729/radiation-associated-breast-cancer-and-gonadal-hormone-exposure-a-report-from-the-childhood-cancer-survivor-study
#17
Chaya S Moskowitz, Joanne F Chou, Charles A Sklar, Dana Barnea, Cécile M Ronckers, Danielle Novetsky Friedman, Joseph P Neglia, Lucie Turcotte, Rebecca M Howell, Tara O Henderson, Gregory T Armstrong, Wendy M Leisenring, Leslie L Robison, Flora E van Leeuwen, Malcolm C Pike, Kevin C Oeffinger
BACKGROUND: The relationship between hormone exposure and breast cancer risk in women treated with chest radiotherapy for childhood cancer is uncertain. METHODS: Participants included 1108 females from the Childhood Cancer Survivor Study who were diagnosed with childhood cancer 1970-1986, treated with chest radiotherapy, and survived to ages ⩾20 years. Hazard ratios (HRs) and 95% confidence intervals (CIs) from Cox models adjusted for chest radiation field, delivered dose, anthracycline exposure, and age at childhood cancer estimated risk...
June 20, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28632185/the-effects-of-selected-sesquiterpenes-from-myrica-rubra-essential-oil-on-the-efficacy-of-doxorubicin-in-sensitive-and-resistant-cancer-cell-lines
#18
Martin Ambrož, Petra Matoušková, Adam Skarka, Martina Zajdlová, Kateřina Žáková, Lenka Skálová
β-caryophyllene oxide (CAO), α-humulene (HUM), trans-nerolidol (NER) and valencene (VAL) are constituents of the essential oil of Myrica rubra (MEO), which has significant antiproliferative effect in various cancer cell lines. In the present study, we compared the antiproliferative effect of these sesquiterpenes alone and in combination with the cytostatic drug doxorubicin (DOX) in cancer cell lines with different sensitivity to DOX. Two ovarian cancer cell lines (sensitive A2780 and partly resistant SKOV3) and two lymphoblast cancer cell lines (sensitive CCRF/CEM and completely resistant CEM/ADR) were used...
June 20, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28631775/-innovations-in-the-treatment-of-ovarian-cancer-analysis-of-the-therapeutic-development-from-platinum-to-immunotherapy
#19
Gesuino Angius, Pierangela Sepe, Anselmo Papa, Silverio Tomao, Federica Tomao
Ovarian cancer is the seventh most common cancer in women. The therapeutic approach provides for an appropriate integration between surgery and chemotherapy. Surgery is an important step for diagnosis, staging and therapy, aiming at the complete cytoreduction of all macroscopic visible disease. At the moment, adjuvant and first-line chemotherapy has as a standard the carboplatin-paclitaxel combination. Further, the addition of bevacizumab in the advanced stage (IIIB-IV) is strongly recommended. Despite the initial effectiveness, however, 70-80% of patients develop relapsed disease within the first two years and require subsequent treatment lines that have palliative, rather than curative purposes and that seek to reach a chronic state for the disease...
June 2017: Recenti Progressi in Medicina
https://www.readbyqxmd.com/read/28631233/interval-robotic-cytoreduction-following-neoadjuvant-chemotherapy-in-advanced-ovarian-cancer
#20
Sarah A Ackroyd, Sajeena Thomas, Cynthia Angel, Richard Moore, Philip J Meacham, Brent DuBeshter
The objective of this study is to review our experience with robotic interval cytoreduction following neoadjuvant chemotherapy for advanced ovarian cancer. We retrospectively reviewed patients with advanced ovarian cancer treated with neoadjuvant chemotherapy (NAC) and interval robotic cytoreduction (IRC) between 2011 and 2016 at the University of Rochester Medical Center. Demographic information, chemotherapy treatment, operative results, and follow-up were extracted from medical records. Twenty-nine patients underwent IRC after a mean of 3...
June 19, 2017: Journal of Robotic Surgery
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