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https://www.readbyqxmd.com/read/28822557/family-history-of-cancer-predicts-endometrial-cancer-risk-independently-of-lynch-syndrome-implications-for-genetic-counselling
#1
Sharon E Johnatty, Yen Y Tan, Daniel D Buchanan, Michael Bowman, Rhiannon J Walters, Andreas Obermair, Michael A Quinn, Penelope B Blomfield, Alison Brand, Yee Leung, Martin K Oehler, Judy A Kirk, Tracy A O'Mara, Penelope M Webb, Amanda B Spurdle
OBJECTIVE: To determine endometrial cancer (EC) risk according to family cancer history, including assessment by degree of relatedness, type of and age at cancer diagnosis of relatives. METHODS: Self-reported family cancer history was available for 1353 EC patients and 628 controls. Logistic regression was used to quantify the association between EC and cancer diagnosis in ≥1 first or second degree relative, and to assess whether level of risk differed by degree of relationship and/or relative's age at diagnosis...
August 16, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28821919/erratum-to-the-role-of-thrombocytosis-in-prognostic-evaluation-of-epithelial-ovarian-tumors
#2
Tayfun Gungor, Mine Kanat-Pektas, Ayhan Sucak, Leyla Mollamahmutoglu
No abstract text is available yet for this article.
August 18, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28821817/high-mrna-expression-level-of-il-6r-was-associated-with-better-prognosis-for-patients-with-ovarian-cancer-a-pooled-meta-analysis
#3
Qu Chen, Bin Xu, Lei Lan, Da Yang, Min Yang, Jingting Jiang, Binfeng Lu, Yueping Shen
Interleukin-6 acts as both a pro-inflammatory cytokine and an anti-inflammatory myokine. IL-6/IL-6R signaling pathway, in particular, has been proposed to be a pivotal cytokine promoting ovarian cancer progression. This study aimed to elucidate potential clinical and biological function of IL-6R mRNA expression in ovarian cancer. We used the keywords "ovarian cancer" and searched through GEO database and finally a total of 7 studies together with TCGA database were incorporated in this analysis. We used Cutoff Finder to determine a cutoff point and stratified patients into two groups and found that high-expression of IL-6R mRNA in tumor tissues was a positive prognostic factor for overall survival...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821788/bioenergetic-adaptations-in-chemoresistant-ovarian-cancer-cells
#4
Sajad Dar, Jasdeep Chhina, Ismail Mert, Dhananjay Chitale, Thomas Buekers, Hareena Kaur, Shailendra Giri, Adnan Munkarah, Ramandeep Rattan
Earlier investigations have revealed that tumor cells undergo metabolic reprogramming and mainly derive their cellular energy from aerobic glycolysis rather than oxidative phosphorylation even in the presence of oxygen. However, recent studies have shown that certain cancer cells display increased oxidative phosphorylation or high metabolically active phenotype. Cellular bioenergetic profiling of 13 established and 12 patient derived ovarian cancer cell lines revealed significant bioenergetics diversity. The bioenergetics phenotype of ovarian cancer cell lines correlated with functional phenotypes of doubling time and oxidative stress...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821472/surgical-findings-and-outcomes-in-premenopausal-breast-cancer-patients-undergoing-oophorectomy-a-multicenter-review-from-the-fellows-pelvic-research-network
#5
Lara F B Harvey, Vandana G Abramson, Jimena Alvarez, Christopher Destephano, Hye-Chun Hur, Katherine Lee, Patricia Mattingly, Beau Park, Carolyn Piszczek, Farinaz Seifi, Mallory Stuparich, Amanda Yunker
STUDY OBJECTIVE: Since publication of the Suppression of Ovarian Function Trial (SOFT) data, some women with premenopausal breast cancer have been recommended to undergo bilateral oophorectomy to facilitate breast cancer treatment with aromatase inhibitors. These women may be at higher risk of occult abdominal pathology than the general population. Our objective is to describe the procedures performed, intra-abdominal findings, and surgical pathology of this population. DESIGN: Multi-center retrospective chart review...
August 15, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28819560/a-novel-peptide-blocking-cancer-cell-invasion-by-structure-based-drug-design
#6
Yuki Yamada, Seiji Kanayama, Fuminori Ito, Noriyuki Kurita, Hiroshi Kobayashi
The receptor for the urokinase-type plasminogen activator (uPA), uPAR, facilitates tumor cell invasion and metastasis by focusing on several ligands, including uPA, integrins and vitronectin. With computational prediction algorithms and structure-based drug design, we identified peptides containing the Gly-Lys-Gly-Glu-Gly-Glu-Gly-Lys-Gly sequence (peptide H1), which strongly interacts with uPAR. The aim of the present study was to investigate the effect of allosteric inhibition at the uPAR interface using a novel synthetic peptide and its function on ovarian cancer cell invasion...
September 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28819483/-malignant-teratoma-about-a-case-and-a-review-of-the-literature
#7
Abdi Ahmed Bonahy, Houssam Sabbah, Ahmed Haiba Med Vadell, Nacer Eddine Med Baba
Dermoid cysts account for 10-20% of ovarian germ cell tumors. Malignant transformation within ovarian dermoid cyst has been reported in 1-2 per cent of the cases. The treatment remains controversial. In women of childbearing age and in the first stages of the disease unilateral annexectomy without adjuvant therapy is recommended. In menopausal women extensive surgery is sometimes performed, no matter what stage of the disease the person is experiencing. We report the case of a menopausal patient with malignant transformation within ovarian dermoid cyst who underwent surgery...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28819441/vsv-based-virotherapy-in-ovarian-cancer-the-past-the-present-and-%C3%A2-future
#8
REVIEW
Beata Urszula Orzechowska, Marcin Jędryka, Katarzyna Zwolińska, Rafał Matkowski
The standard approach to treating patients with advanced epithelial ovarian cancer (EOC) after primary debulking surgery remains taxane and platinum-based chemotherapy. Despite treatment with this strategy, the vast majority of patients relapse and develop drug-resistant metastatic disease that may be driven by cancer stem cells (CSCs) or cancer initiating cells (CICs). Oncolytic viruses circumvent typical drug-resistance mechanisms, therefore they may provide a safe and effective alternative treatment for chemotherapy-resistant CSCs/CICs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819419/osteopontin-a-promising-biomarker-for-cancer-therapy
#9
REVIEW
Ran Wei, Janet Pik Ching Wong, Hang Fai Kwok
Osteopontin (OPN), a multifunctional protein, has emerged as a potentially valuable biomarker for diagnosing and treating cancers. Recent research focuses on its involvement in tumor biology including the cell proliferation, survival, angiogenesis, invasion, and metastasis. Understanding the molecular mechanisms and pharmacological effects of OPN in cancer development could lead to new targets for improving cancer diagnosis and treatment. This review explains how the structurally conserved domains of OPN are associated with OPN signaling mediators and CD44, and how the conserved OPN domains determine biological functions...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819364/the-crosstalk-between-ovarian-cancer-stem-cell-niche-and-the-tumor-microenvironment
#10
REVIEW
Manuel Varas-Godoy, Gregory Rice, Sebastián E Illanes
Ovarian cancer is one of the most important causes of cancer-related death among women in the world. Despite advances in ovarian cancer treatment, 70-80% of women who initially respond to therapy eventually relapse and die. There is evidence that a small population of cells within the tumors called cancer stem cells (CSCs) could be responsible for treatment failure due to their enhanced chemoresistance and tumorigenicity. These cells reside in a niche that maintains the principal properties of CSCs. These properties are associated with the capacity of CSCs to interact with different cells of the tumor microenvironment including mesenchymal stem cells, endothelial cells, immune cells, and fibroblasts, promoting cancer progression...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28818073/role-of-the-lncrna-abhd11-as1-in-the-tumorigenesis-and-progression-of-epithelial-ovarian-cancer-through-targeted-regulation-of-rhoc
#11
Dan-Dan Wu, Xi Chen, Kai-Xuan Sun, Li-Li Wang, Shuo Chen, Yang Zhao
BACKGROUND: There is increasing evidence in support of the role of lncRNAs in tumor cell proliferation, differentiation and apoptosis. METHODS: We examined the expression of the lncRNA ABHD11-AS1 in epithelial ovarian cancer (EOC) tissues and normal ovarian tissues by real-time quantitative PCR (qRT-PCR). After inducing ABHD11-AS1 downregulation by small interfering RNA (siRNA) or ABHD11-AS1 overexpression by plasmid transfection, we examined the EOC cell phenotypes and expression of related molecules...
August 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28817387/response-of-an-ovarian-granulosa-cell-tumor-with-everolimus-and-exemestane-after-initial-response-to-letrozole
#12
Tarek Assi, Hampig R Kourie, Elie El Rassy, Tania Moussa, Joseph Kattan
Granulosa cell tumors of the ovaries (GCTO), the most common sex cord tumors of the female genitalia, are characterized by a remarkably favorable prognosis but tend to recur even after several years of follow-up. Standard approach to manage these relapsing tumors is almost inexistent and physicians' choice is most commonly based on his/her personal expertise. Recently, the use of hormone therapy in GCTO has induced prolonged response and survival. In this case report, we report the first successful use of everolimus in the combination of exemestane to reverse the resistance to hormonal therapy with letrozole in a 53-year-old woman with GCTO...
September 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28817386/cxcr4-blockade-with-amd3100-enhances-taxol-chemotherapy-to-limit-ovarian-cancer-cell-growth
#13
Patrick M Reeves, Mojgan A Abbaslou, Farah R W Kools, Mark C Poznansky
The standard of care for ovarian cancer includes initial treatment with chemotherapy. Despite initial efficacy, over 70% of patients develop recurrence; thus, there is a need to identify novel approaches that can improve therapeutic outcomes. We evaluated AMD3100 (Plerixafor), an FDA-approved CXCR4 inhibitor, as a potential adjunctive therapy for low-dose Taxol (Paclitaxel) by assessing the impact on in-vitro ovarian cancer cell proliferation. Proliferation was a measure for both human TOV-112D and murine ID8 ovarian cancer cells incubated with AMD3100 and Taxol, either individually or in combination...
August 16, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/28817177/the-n-terminal-ubiquitin-associated-domain-of-cezanne-is-crucial-for-its-function-to-suppress-nf-%C3%AE%C2%BAb-pathway
#14
Yanxi Ji, Liu Cao, Lanyi Zeng, Zhen Zhang, Qiaoqiao Xiao, Penglin Guan, Shiyou Chen, Yu Chen, Min Wang, Deyin Guo
Cezanne, a deubiquitinating cysteine protease (DUB) belonging to A20 subgroup of ovarian tumor (OTU) protein superfamily, functions as a negative regulator of NF-κB to attenuate NF-κB activation and to restrain pro-inflammatory transcription in response to TNF receptor (TNFR) signaling. It is the first documented OTU DUB that preferably disassembles Lys11-linked polyubiquitin chains and has been shown to regulate multiple cellular events including immune signaling, cell survival and tumor progression. Previous studies showed that in response to TNF stimulation, Cezanne is recruited to the activated TNFR complex to suppress the build-up of polyubiquitinated RIP1 signal by removing Lys63 polyubiquitin from RIP1...
August 17, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28816797/microscopic-infiltration-of-cryopreserved-ovarian-tissue-in-2-patients-with-ewing-sarcoma
#15
Stefan Schifflers, Katty Delbecque, Christine Galant, Nadine Francotte, Pierre Philippet, Christophe F Chantrain
We report the clinical history of 2 female patients with Ewing sarcoma and microscopic ovarian infiltration. In both cases, the initial workup found no metastasis. However, the examination of cryopreserved ovarian tissues revealed the presence of CD99 positive tumor cells with rearrangement of EWS gene confirmed by FISH. Both children were treated as patients with localized tumor and are currently in remission. These reports underline that, in Ewing sarcoma patients, retransplantation of cryopreserved ovarian tissue is not harmless and could lead to cancer relapse...
August 14, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/28816710/establishment-of-primary-cell-culture-from-ascitic-fluid-and-solid-tumor-obtained-from-epithelial-ovarian-carcinoma-patients
#16
Rajarshi Kar, Diwesh Chawla, Bindiya Gupta, Mohit Mehndiratta, Neelam Wadhwa, Rachna Agarwal
OBJECTIVE: Ovarian cancer is the seventh leading cause of cancer death worldwide. This is mainly due to late diagnosis and high rate of relapse and resistance following chemotherapy. In the present study, we describe simple and cost-effective method to establish primary culture from ascitic fluid and solid tumor obtained from epithelial ovarian carcinoma patient, which may provide a better tool for in vitro testing of drug sensitivity and designing individualized treatment protocol. METHODS: Complete Dulbecco modified Eagle medium (DMEM) was prepared by supplementing DMEM with 10% fetal bovine serum and antibiotics (ciprofloxacin and amphotericin B)...
August 16, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28816706/prognostic-factors-for-recurrence-after-fertility-preserving-surgery-in-patients-with-borderline-ovarian-tumors-a-systematic-review-and-meta-analysis-of-observational-studies
#17
Xiaobing Jiao, Jun Hu, Lirong Zhu
OBJECTIVE: The aim of this study was to find the unfavorable prognostic factors for recurrence after fertility-preserving surgery (FPS) in patients with borderline ovarian tumors (BOTs). METHODS: To perform a meta-analysis to compare the recurrence rates of BOT patients after FPS according to different prognostic factors, we searched PubMed, EMBASE, and Cochrane for observational studies. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated with a fixed-effects model...
August 14, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28815582/activation-of-twist1-by-col11a1-promotes-chemoresistance-and-inhibits-apoptosis-in-ovarian-cancer-cells-by-modulating-nf-%C3%AE%C2%BAb-mediated-ikk%C3%AE-expression
#18
Yi-Hui Wu, Yu-Fang Huang, Tzu-Hao Chang, Cheng-Yang Chou
We have shown that collagen type XI alpha 1 (COL11A1) promotes ovarian cancer progression and is associated with chemoresistance to cisplatin and paclitaxel in ovarian cancer cells. Here, we demonstrate how COL11A1 regulates twist family basic helix-loop-helix transcription factor 1-related protein 1 (TWIST1) to induce chemoresistance and inhibit apoptosis in ovarian cancer cells. Small interfering RNA-mediated reduction in COL11A1 protein levels increased the chemosensitivity to cisplatin and paclitaxel via downregulated TWIST1 expression...
August 17, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28815550/fertility-preservation-in-women-with-borderline-ovarian-tumors-how-does-it-impact-disease-outcome-a-cohort-study
#19
Limor Helpman, Assaf Yaniv, Mario E Beiner, Sarit Aviel-Ronen, Tamar Perri, Gilad Ben-Baruch, Liat Hogen Ben-David, Ariella Jakobson-Setton, Jacob Korach
INTRODUCTION: Borderline ovarian tumors are typically indolent neoplasms. Since many are diagnosed in younger women, fertility conservation is an important consideration and has been advocated based on retrospective data. The objective of this study was to identify features impacting on recurrence and survival in a series of borderline ovarian tumors, and to assess the safety of a fertility-sparing approach. MATERIAL AND METHODS: A historical cohort study of consecutive borderline ovarian tumors cases treated at a single institution over 30 years (1981-2011)...
August 16, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28814887/shp2-overexpression-enhances-the-invasion-and-metastasis-of-ovarian-cancer-in-vitro-and-in-vivo
#20
ZhongQian Hu, Jia Li, Qi Gao, Shuping Wei, Bin Yang
PURPOSE: SHP2 has roles in a variety of signal transduction pathways and in many important cellular processes, including proliferation, differentiation, movement regulation, and apoptosis. In addition, SHP2 expression is closely associated with multiple types of malignancies. In this study, we examined the role of SHP2 in epithelial ovarian cancer. PATIENTS AND METHODS: SHP2 expression in cancer and normal ovarian tissue specimens was evaluated by immunohistochemical staining and Western blot analyses...
2017: OncoTargets and Therapy
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