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Ovarian cancer

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https://www.readbyqxmd.com/read/28934848/profiling-of-serum-metabolites-using-maldi-tof-and-triple-tof-mass-spectrometry-to-develop-a-screen-for-ovarian-cancer
#1
Jun Hwa Lee, Yun Hwan Kim, Kyung-Hee Kim, Jae Youl Cho, Sang Myung Woo, Byong Chul Yoo, Seung Cheol Kim
Purpose: We sought to develop a matrix assisted laser desorption ionization-time of flight (MALDI-TOF)-based, ovarian cancer (OVC), low-mass-ion discriminant equation (LOME) and to evaluate a possible supportive role for triple-TOF mass analysis in identifying metabolic biomarkers. Materials and Methods: A total of 114 serum samples from patients with OVC and benign ovarian tumors were subjected to MALDI-TOF analysis and a total of 137 serum samples from healthy female individuals and patients with OVC, colorectal cancer, hepatobiliary cancer, and pancreatic cancer were subjected to triple-TOF analysis...
September 18, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28934730/dihydroartemisinin-and-curcumin-synergistically-induce-apoptosis-in-skov3-cells-via-upregulation-of-mir-124-targeting-midkine
#2
Jiaojiao Zhao, Yuchen Pan, Xiujun Li, Xuefang Zhang, Yaxian Xue, Tingting Wang, Shuli Zhao, Yayi Hou
BACKGROUND/AIM: Women with advanced ovarian carcinoma are less likely to receive platinum-based chemotherapy and surgery due to a greater risk of cytotoxicity and poorer outcomes. We attempted to improve a promising therapy against ovarian cancer by using a combination of dihydroartemisinin (DHA) and curcumin (Cur). METHODS: Human ovarian cancer SKOV3 cells were treated with DHA, Cur alone, or a combination of both. The viability of SKOV3 cells was measured by Cell Counting Kit-8 (CCK-8) and a colony formation assay...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934637/igf-system-targeted-therapy-therapeutic-opportunities-for-ovarian-cancer
#3
REVIEW
J A L Liefers-Visser, R A M Meijering, A K L Reyners, A G J van der Zee, S de Jong
The insulin-like growth factor (IGF) system comprises multiple growth factor receptors, including insulin-like growth factor 1 receptor (IGF-1R), insulin receptor (IR) -A and -B. These receptors are activated upon binding to their respective growth factor ligands, IGF-I, IGF-II and insulin, and play an important role in development, maintenance, progression, survival and chemotherapeutic response of ovarian cancer. In many pre-clinical studies anti-IGF-1R/IR targeted strategies proved effective in reducing growth of ovarian cancer models...
September 8, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28934230/e-cadherin-a-determinant-molecule-associated-with-ovarian-cancer-progression-dissemination-and-aggressiveness
#4
Marina Rosso, Blanca Majem, Laura Devis, Lara Lapyckyj, María José Besso, Marta Llauradó, María Florencia Abascal, María Laura Matos, Lucia Lanau, Josep Castellví, José Luis Sánchez, Asunción Pérez Benavente, Antonio Gil-Moreno, Jaume Reventós, Anna Santamaria Margalef, Marina Rigau, Mónica Hebe Vazquez-Levin
Ovarian cancer (OC) is the fifth cancer death cause in women worldwide. The malignant nature of this disease stems from its unique dissemination pattern. Epithelial-to-mesenchymal transition (EMT) has been reported in OC and downregulation of Epithelial cadherin (E-cadherin) is a hallmark of this process. However, findings on the relationship between E-cadherin levels and OC progression, dissemination and aggressiveness are controversial. In this study, the evaluation of E-cadherin expression in an OC tissue microarray revealed its prognostic value to discriminate between advanced- and early-stage tumors, as well as serous tumors from other histologies...
2017: PloS One
https://www.readbyqxmd.com/read/28934130/isoliquiritigenin-induces-autophagy-and-inhibits-ovarian-cancer-cell-growth
#5
Hsin-Yuan Chen, Tsui-Chin Huang, Tzong-Ming Shieh, Chi-Hao Wu, Li-Chun Lin, Shih-Min Hsia
Ovarian cancer is one of the commonest gynecologic malignancies, which has a poor prognosis for patients at the advanced stage. Isoliquiritigenin (ISL), an active flavonoid component of the licorice plant, previously demonstrated antioxidant, anti-inflammatory, and tumor suppressive effects. In this study, we investigated the antitumor effect of ISL on human ovarian cancer in vitro using the human ovarian cancer cell lines, OVCAR5 and ES-2, as model systems. Our results show that ISL significantly inhibited the viability of cancer cells in a concentration- and time-dependent manner...
September 21, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28933580/the-role-of-cediranib-in-ovarian-cancer
#6
Cecilia Orbegoso, Gloria Marquina, Angela George, Susana Banerjee
Treatment options for relapsed ovarian cancer have increased over the decade with the addition of targeted agents, such as PARP inhibitors and antiangiogenic agents. Bevacizumab, a monoclonal antibody binding vascular endothelial growth factor (VEGF), was the first anti-angiogenic agent to be incorporated in the ovarian cancer treatment landscape. Other molecules utilising different mechanisms of action to target angiogenesis have been developed, including Cediranib, an oral potent inhibitor of VEGF Tyrosine Kinase Inhibitor that has demonstrated activity in both phase II and phase III studies...
September 21, 2017: Expert Opinion on Pharmacotherapy
https://www.readbyqxmd.com/read/28933561/ckap2-promotes-ovarian-cancer-proliferation-and-tumorigenesis-through-the-fak-erk-pathway
#7
Mei Zhang, Longjun Zhao
Upregulation of cytoskeleton-associated protein 2 (CKAP2) has been observed in ovarian cancer. This study aimed to determine the effects of overexpression of CKAP2 on cell proliferation and tumorigenesis and to explore the potential signal pathway in the oncogenic process. Expression of CKAP2 in tissue of ovarian cancer patients was detected. Human cancer cell line SKOV3 was overexpressed with CKAP2 and measured for cell growth and mobility. Moreover, CKAP2 effect was estimated using mouse tumor xenografts...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28933007/erratum-to-recommendations-for-biomarker-testing-in-epithelial-ovarian-cancer-a-national-consensus-statement-by-the-spanish-society-of-pathology-and-the-spanish-society-of-medical-oncology
#8
A Oaknin, R Guarch, P Barretina, D Hardisson, A González-Martín, X Matías-Guiu, A Pérez-Fidalgo, B Vieites, I Romero, J Palacios
No abstract text is available yet for this article.
September 20, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28932850/amino-and-chloro-8-hydroxyquinolines-and-their-copper-complexes-as-proteasome-inhibitors-and-antiproliferative-agents
#9
Valentina Oliveri, Valeria Lanza, Danilo Milardi, Maurizio Viale, Irena Maric, Carmelo Sgarlata, Graziella Vecchio
Proliferation and programmed cell death are tightly correlated with the ubiquitin-proteasome system (UPS). Alterations in the UPS may be implicated in pathological conditions such as the proteasome over-activity in cancer cells. Mounting evidence indicates that many types of actively proliferating malignant cells are more sensitive to proteasome inhibition than normal cells, and therefore UPS inhibitors are actively pursued as anticancer agents. The approval of the proteasome inhibitor drug bortezomib for the treatment of myeloma and lymphoma further highlights the need for UPS inhibitors...
September 21, 2017: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/28932807/brain-metastasis-in-advanced-serous-borderline-tumor-of-the-ovary-a-case-presentation
#10
Madhuri Martin, Rachel N Grisham, Gulisa Turashvili, Darragh F Halpenny, Carol A Aghajanian, Vicky Makker
•Brain metastasis is an extremely rare secondary site of ovarian cancer metastasis.•Serous borderline tumor with brain metastasis has not been previously reported.•This is a rare case of brain metastasis in a patient with advanced serous borderline tumor.
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/28932639/soluble-nkg2d-ligands-in-the-ovarian-cancer-microenvironment-are-associated-with-an-adverse-clinical-outcome-and-decreased-memory-effector-t-cells-independent-of-nkg2d-downregulation
#11
Maulik Vyas, Silke Reinartz, Nathalie Hoffmann, Katrin S Reiners, Sonja Lieber, Julia M Jansen, Uwe Wagner, Rolf Müller, Elke Pogge von Strandmann
The immune receptor NKG2D is predominantly expressed on NK cells and T cell subsets and confers anti-tumor activity. According to the current paradigm, immune surveillance is counteracted by soluble ligands shed into the microenvironment, which down-regulate NKG2D receptor expression. Here, we analyzed the clinical significance of the soluble NKG2D ligands sMICA and sULBP2 in the malignancy-associated ascites of ovarian cancer. We show that high levels of sMICA and sULBP2 in ascites were associated with a poor prognosis...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28932630/the-safety-efficacy-and-treatment-outcomes-of-a-combination-of-low-dose-decitabine-treatment-in-patients-with-recurrent-ovarian-cancer
#12
Yan Zhang, Qian Mei, Yang Liu, Xiang Li, Malcolm V Brock, Meixia Chen, Liang Dong, Lu Shi, Yao Wang, Mingzhou Guo, Jing Nie, Weidong Han
Purpose: DNA demethylating agents have shown clinical effectiveness in hematological and solid tumors. This trial tested the safety, efficacy, and treatment outcomes of decitabine-based chemotherapy or combined with immunotherapy in recurrent ovarian cancer patients. Patients and methods: Fifty-five patients with recurrent ovarian cancer were enrolled and 52 were assessable for clinical response and survival. Patients either received 5-d decitabine treatment, followed by reduced-dose of paclitaxel/carboplatin administration (DTC cohort), or the aforementioned regimen combined with cytokine-induced killer cells therapy (DTC+CIK cohort)...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28931753/ask1-dependent-endothelial-cell-activation-is-critical-in-ovarian-cancer-growth-and-metastasis
#13
Mingzhu Yin, Huanjiao Jenny Zhou, Jiqin Zhang, Caixia Lin, Hongmei Li, Xia Li, Yonghao Li, Haifeng Zhang, David G Breckenridge, Weidong Ji, Wang Min
We have recently reported that tumor-associated macrophages (TAMs) promote early transcoelomic metastasis of ovarian cancer by facilitating TAM-ovarian cancer cell spheroid formation. ASK1 is known to be important for macrophage activation and inflammation-mediated tumorigenesis. In the present study, we show that ASK1 deficiency attenuates TAM-spheroid formation and ovarian cancer progression in an orthotopic ovarian cancer model. Interestingly, ASK1 in stroma, but not in TAMs, is critical for peritoneal tumor growth of ovarian cancer...
September 21, 2017: JCI Insight
https://www.readbyqxmd.com/read/28931501/cancer-predisposition-cascade-screening-for-hereditary-breast-ovarian-cancer-and-lynch-syndromes-in-switzerland-study-protocol
#14
Maria C Katapodi, Valeria Viassolo, Maria Caiata-Zufferey, Christos Nikolaidis, Rosmarie Bührer-Landolt, Nicole Buerki, Rossella Graffeo, Henrik Csaba Horváth, Christian Kurzeder, Manuela Rabaglio, Michael Scharfe, Corinne Urech, Tobias E Erlanger, Nicole Probst-Hensch, Karl Heinimann, Viola Heinzelmann-Schwarz, Olivia Pagani, Pierre O Chappuis
BACKGROUND: Breast, colorectal, ovarian, and endometrial cancers constitute approximately 30% of newly diagnosed cancer cases in Switzerland, affecting more than 12,000 individuals annually. Hundreds of these patients are likely to carry germline pathogenic variants associated with hereditary breast ovarian cancer (HBOC) or Lynch syndrome (LS). Genetic services (counseling and testing) for hereditary susceptibility to cancer can prevent many cancer diagnoses and deaths through early identification and risk management...
September 20, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28931403/racial-health-disparities-in-ovarian-cancer-not-just-black-and-white
#15
REVIEW
Sanjeev K Srivastava, Aamir Ahmad, Orlandric Miree, Girijesh Kumar Patel, Seema Singh, Rodney P Rocconi, Ajay P Singh
Ovarian cancer (OC) is the most lethal gynecological malignancy, which disproportionately affects African American (AA) women. Lack of awareness and socioeconomic factors are considered important players in OC racial health disparity, while at the same time, some recent studies have brought focus on the genetic basis of disparity as well. Differential polymorphisms, mutations and expressions of genes have been reported in OC patients of diverse racial and ethnic backgrounds. Combined, it appears that neither genetic nor the socioeconomic factors alone might explain the observed racially disparate health outcomes among OC patients...
September 21, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28931370/association-between-tumour-infiltrating-lymphocytes-histotype-and-clinical-outcome-in-epithelial-ovarian-cancer
#16
Fiona R James, Mercedes Jiminez-Linan, Jennifer Alsop, Marie Mack, Honglin Song, James D Brenton, Paul D P Pharoah, H Raza Ali
BACKGROUND: There is evidence that some ovarian tumours evoke an immune response, which can be assessed by tumour infiltrating lymphocytes (TILs). To facilitate adoption of TILs as a clinical biomarker, a standardised method for their H&E visual evaluation has been validated in breast cancer. METHODS: We sought to investigate the prognostic significance of TILs in a study of 953 invasive epithelial ovarian cancer tumour samples, both primary and metastatic, from 707 patients from the prospective population-based SEARCH study...
September 20, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28931330/sequential-molecular-changes-and-dynamic-oxidative-stress-in-high-grade-serous-ovarian-carcinogenesis
#17
Hiroshi Kobayashi, Kenji Ogawa, Naoki Kawahara, Kana Iwai, Emiko Niiro, Sachiko Morioka, Yuki Yamada
The mechanism of high-grade serous ovarian cancer (HGSC) development remains elusive. This review outlines recent advances in the understanding of sequential molecular changes associated with the development of HGSC, as well as describes oxidative stress-induced genomic instability and carcinogenesis. This article reviews the English-language literature between 2005 and 2017. Clinicopathological features analysis provide a sequential progression of fallopian tubal epithelium to precursor lesions to type 2 HGSC...
September 21, 2017: Free Radical Research
https://www.readbyqxmd.com/read/28931291/-malignant-tumors-of-the-small-bowel
#18
L Němec, P Fabian, J Tomášek, J Jarkovský, R Šefr, L Fiala
INTRODUCTION: Malignant tumors of the small bowel are relatively uncommon neoplasms; their incidence is around 1.5 per 100,000 inhabitants in the Czech Republic. METHOD: 104 patients underwent a resection of the small bowel because of a primary or secondary tumor over the 10-year period between 20062015 at the Masaryk Memorial Cancer Institute. Data from these patients was reviewed retrospectively. Survival rates were analyzed using the Kaplan-Meier method. RESULTS: We observed 45 primary and 59 secondary tumors...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28931288/-surgical-therapy-of-ovarian-cancer
#19
J Chovanec, R Feranec, M Náležinská, T Cacek
Epithelial ovarian cancer remains the most lethal gynecologic malignancy in the Czech Republic. Due to the nonspecific symptoms of the disease, most cases are diagnosed only in advanced stages. The first line of treatment for ovarian cancer involves primary cytoreductive surgery, followed by combined adjuvant chemotherapy based on platinum and paclixatel, which generally achieves a good therapeutic response. However, in about two thirds of the patients, the disease relapses.Key words: ovarian cancer cytoreductive surgery...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28931042/evaluation-of-the-cytotoxicity-of-the-bithionol-paclitaxel-combination-in-a-panel-of-human-ovarian-cancer-cell-lines
#20
Vijayalakshmi N Ayyagari, Paula L Diaz-Sylvester, Tsung-Han Jeff Hsieh, Laurent Brard
Previously, Bithionol (BT) was shown to enhance the chemosensitivity of ovarian cancer cell lines to cisplatin treatment. In the present study, we focused on the anti-tumor potential of the BT-paclitaxel combination when added to a panel of ovarian cancer cell lines. This in vitro study aimed to 1) determine the optimum schedule for combination of BT and paclitaxel and 2) assess the nature and mechanism(s) underlying BT-paclitaxel interactions. The cytotoxic effects of both drugs either alone or in combination were assessed by presto-blue cell viability assay using six human ovarian cancer cell lines...
2017: PloS One
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