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https://www.readbyqxmd.com/read/28431407/prognositic-value-of-cd73-adenosinergic-pathway-in-solid-tumor-a-meta-analysis-and-systematic-review
#1
Rong Wang, Yingying Zhang, Xia Lin, Yalin Gao, Ying Zhu
CD73 is a glycosylphosphatidylinositol (GPI) anchored cell surface protein that is encoded by NT5E gene, plays multiple roles in tumor processes. Previous studies have presented a potential value of CD73 served as a detectable biomarker for prognosis of several solid tumors, but the results were more controversially. A comprehensive meta-analysis was conducted to precisely evaluate the prognostic role of CD73 in solid tumors. The included studies were searched in PubMed, Web of Science and EBSCO from Jan 1990 to Jan 2016...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427435/prohibitin-targeting-peptide-coupled-to-ovarian-cancer-luteinization-and-tgf-%C3%AE-pathways
#2
Nour M El-Etreby, Amany A Ghazy, Radwaa Rashad
BACKGROUND: Ovarian epithelial tumor (OET) is a silent disease of late diagnosis and poor prognosis. Currently treatment options are limited and patient response to treatment is difficult to predict so there is a serious need to delineate the real pathogenesis to predict tumour prognosis. Prohibitin (PHB) is an evolutionarily protein that regulates the cell cycle. TGF-β has been shown to be a positive and negative regulator of cellular proliferation and differentiation. The present study provides an overview on the role played by PHB1, TGF-β and LH in ovarian cancer...
April 20, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28423573/involvement-of-af1q-mllt11-in-the-progression-of-ovarian-cancer
#3
Paola Tiberio, Ludmila Lozneanu, Valentina Angeloni, Elena Cavadini, Patrizia Pinciroli, Maurizio Callari, Maria Luisa Carcangiu, Domenica Lorusso, Francesco Raspagliesi, Valentina Pala, Maria Grazia Daidone, Valentina Appierto
The functional role of AF1q/MLLT11, an oncogenic factor involved in a translocation t(1;11)(q21;q23) responsible for acute myeloid leukaemia, has been investigated in hematological and solid malignancies and its expression was found to be linked to tumor progression and poor clinical outcome. In addition to its oncogenic function, AF1q has been shown to play a role in the onset of basal and drug-induced apoptosis in cancer cells of different histotypes, including ovarian cancer. Through in vitro, ex vivo, and in silico approaches, we demonstrated here that AF1q is also endowed with protumorigenic potential in ovarian cancer...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423547/genomic-imbalances-are-involved-in-mir-30c-and-let-7a-deregulation-in-ovarian-tumors-implications-for-hmga2-expression
#4
Antonio Agostini, Marta Brunetti, Ben Davidson, Claes G Tropé, Sverre Heim, Ioannis Panagopoulos, Francesca Micci
The High-mobility group AT-hook 2 protein (HMGA2) is involved in different processes during tumorigenesis. High expression levels of HMGA2 are found in various types of cancer, with recent studies highlighting the important role of miRNAs in the regulation of HMGA2 expression. We report a study of 155 ovarian tumors (30 sex-cord stromal tumors, 22 borderline tumors, and 103 carcinomas) analyzed for HMGA2 expression as well as the expression of two miRNAs targeting this gene, let-7a and miR-30c. We also evaluated the expression of the fragile histidine triad (FHIT) and lin28 homologues (LIN28A/B) genes which are known to be an enhancer of miR-30c expression and a repressor of let-7a, respectively...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28416487/metabolic-markers-and-statistical-prediction-of-serous-ovarian-cancer-aggressiveness-by-ambient-ionization-mass-spectrometry-imaging
#5
Marta Sans, Kshipra M Gharpure, Robert Tibshirani, Jialing Zhang, Li Liang, Jinsong Liu, Jonathan H Young, Robert Dood, Anil K Sood, Livia Eberlin
Ovarian high-grade serous carcinoma (HGSC) results in the highest mortality among gynecological cancers, developing rapidly and aggressively. Dissimilarly, serous borderline ovarian tumors (BOT) can progress into low-grade serous carcinomas and have relatively indolent clinical behavior. The underlying biological differences between HGSC and BOT call for accurate diagnostic methodologies and tailored treatment options, and identification of molecular markers of aggressiveness could provide valuable biochemical insights and improve disease management...
April 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28407088/borderline-resectable-pancreatic-cancer-conceptual-evolution-and-current-approach-to-image-based-classification
#6
J W Gilbert, B Wolpin, T Clancy, J Wang, H Mamon, A B Shinagare, J Jagannathan, M Rosenthal
BACKGROUND: Diagnostic imaging plays a critical role in the initial diagnosis and therapeutic monitoring of pancreatic adenocarcinoma. Over the past decade, the concept of "borderline resectable" pancreatic cancer has emerged to describe a distinct subset of patients existing along the spectrum from resectable to locally advanced disease for whom a microscopically margin-positive (R1) resection is considered relatively more likely, primarily due to the relationship of the primary tumor with surrounding vasculature...
April 12, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28406095/a-giant-phyllodes-tumor-of-the-breast-causing-severe-disfigurement-a-case-report
#7
Gianluca Franceschini, Danilo Di Giorgio, Sabatino D'Archi, Alba Di Leone, Alejandro Martin Sanchez, Riccardo Masetti
Phyllodes tumours (PTs) are rare fibroepithelial neoplasms representing about 0,2% to 2% of all breast tumors with an incidence of about 2.1 per million. The classification proposed by the World Health Organization for PTs into benign, borderline, and malignant is based on a combination of several histologic features. High-grade malignant phyllodes tumors may spread by hematogenous route. While smaller and moderate size malignant phyllodes may typically be seen, gigantic ones with larger than 10 cm in diameter are very rare...
January 20, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28397199/proliferation-and-maturation-of-intratumoral-blood-vessels-in-women-with-malignant-ovarian-tumors-assessed-with-cancer-stem-cells-marker-nestin-and-platelet-derived-growth-factor-pdgf-b
#8
Sylwia Czekierdowska, Norbert Stachowicz, Mieczysław Chróściel, Artur Czekierdowski
OBJECTIVES: Platelet-derived growth factor B (PDGF-B) and nestin have been suggested to be useful in the assessment of neoangiogenesis in malignant ovarian masses. We aimed to investigate a possible association of these markers with newly formed microcapillaries and perivascular cells in ovarian tumors. MATERIAL AND METHODS: Microvessel density (MVD) and pericytes were studied in 82 women with ovarian neoplasms, including 7 benign cysts, 7 borderline masses, 64 epithelial ovarian cancers and 4 other malignant ovarian tumors...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28393233/assessment-of-th17-lymphocytes-and-cytokine-il%C3%A2-17a-in-epithelial-ovarian-tumors
#9
Izabela Winkler, Maria Pyszniak, Katarzyna Pogoda, Andrzej Semczuk, Marek Gogacz, Paweł Miotla, Aneta Adamiak, Dorota Darmochwal-Kolarz, Tomasz Rechberger, Jacek Tabarkiewicz
The present study was carried out to assess the percentage of T helper 17 (Th17) lymphocytes in blood and tissue and IL-17A serum concentrations in patients with epithelial ovarian tumors. Two isoforms, IL-17A and IL-17F, as well as IL-21 and IL-22, were simultaneously investigated. The study group consisted of 60 women affected by epithelial ovarian tumors (benign, borderline and malignant) and 20 women without ovarian pathology as a control group. The evaluation of the percentage of Th17 cells secreting IL-17A, IL-17F, IL-21 and IL-22 in peripheral blood and tumor tissues was performed using flow cytometry applying a Th17 cytokine staining panel...
April 6, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28391577/neoadjuvant-treatment-in-pancreatic-cancer-evidence-based-medicine-a-systematic-review-and-meta-analysis
#10
REVIEW
Francesco D'Angelo, Laura Antolino, Alessio Farcomeni, Dario Sirimarco, Andrea Kazemi Nava, Martina De Siena, Niccolò Petrucciani, Giuseppe Nigri, Stefano Valabrega, Paolo Aurello, Giovanni Ramacciato
Neoadjuvant treatment in non-metastatic pancreatic cancer (PaC) has the theoretical advantages of downstaging the tumor, sterilizing any present systemic undetectable disease, selecting patients for surgery and administering therapy to each patient. The aim of this systematic review is to analyze the state of the art on neoadjuvant protocols for non-metastatic PaC. A literature search over the last 10 years was conducted, and papers had to be focused on resectable, borderline resectable (BLR) or locally advanced (LA) histo- or cytologically proven PaC; to be prospective studies or prospectively collected databases; to report percentage of protocol achievement and survival data at least in an intention-to-treat (ITT) analysis...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28389044/fdg-pet-predicts-treatment-efficacy-and-surgical-outcome-of-pre-operative-chemoradiation-therapy-for-resectable-and-borderline-resectable-pancreatic-cancer
#11
H Akita, H Takahashi, H Ohigashi, A Tomokuni, S Kobayashi, K Sugimura, N Miyoshi, J-H Moon, M Yasui, T Omori, H Miyata, M Ohue, Y Fujiwara, M Yano, O Ishikawa, M Sakon
BACKGROUND: The efficacy of neoadjuvant chemoradiotherapy (NACRT) for resectable and borderline resectable pancreatic cancer is important for predicting outcomes after radical surgery, but few clinical indicators predict outcome before resection. This study examined the utility of FDG-PET in predicting the efficacy of NACRT and outcome after radical surgery. METHODS: Eighty-three pancreatic cancer patients who underwent FDG-PET before and after NACRT and had positive standard uptake values (SUVs) before NACRT were enrolled in this study...
March 31, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28383455/risk-factors-associated-with-nonclosure-of-defunctioning-stomas-after-sphincter-preserving-low-anterior-resection-of-rectal-cancer-a-meta-analysis
#12
Xin Zhou, Bingyan Wang, Fei Li, Jilian Wang, Wei Fu
BACKGROUND: Some patients receiving defunctioning stomas will never undergo stoma reversal, but it is difficult to preoperatively predict which patients will be affected. OBJECTIVE: The aim of this meta-analysis was to identify the risk factors associated with nonclosure of temporary stomas after sphincter-preserving low anterior resection for rectal cancer. DATA SOURCES: We performed a comprehensive search of the PubMed, Embase, and Cochrane Central Library databases for all of the studies analyzing risk factors for nonclosure of defunctioning stomas...
May 2017: Diseases of the Colon and Rectum
https://www.readbyqxmd.com/read/28381342/minimally-invasive-compared-with-open-surgery-in-patients-with-borderline-ovarian-tumors
#13
Taejong Song, Min Kyu Kim, Yong Wook Jung, Bo Seong Yun, Seok Ju Seong, Chel Hun Choi, Tae-Joong Kim, Jeong-Won Lee, Duk-Soo Bae, Byoung-Gie Kim
OBJECTIVE: To compare the surgical and oncological outcomes between laparoscopic (single-port or multi-port) and open surgery in the treatment of patients with borderline ovarian tumors (BOTs). METHODS: A retrospective analysis was performed on 687 patients who underwent single-port laparoscopy (n=89), multi-port laparoscopy (n=223), or open surgery (n=375) due to BOTs. RESULTS: The age, tumor size, tumor marker, and the proportions of radical surgery rate and surgical staging were significantly lower in the single-port laparoscopy and multi-port laparoscopy groups compared with those in the open surgery group (all P<0...
April 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28380418/expression-of-emt-markers-and-mode-of-surgery-are-prognostic-in-phyllodes-tumors-of-the-breast
#14
Xiaolong Feng, Lin Zhao, Honghong Shen, Xiaozhen Liu, Yang Yang, Shuhua Lv, Yun Niu
Phyllodes tumors of the breast are rare neoplasms that account for <1% of all mammary tumors and 2-3% of fibro-epithelial neoplasms of the breast. We evaluated the clinicopathological characteristics of a cohort of 246 Chinese patients in relation to the expression of epithelial-to-mesenchymal (EMT) markers in benign, borderline and malignant tumors and the prognostic value of different surgical regimens. We observed that survival outcomes correlated with the mode of surgical management in the three patient groups...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28376898/identification-of-factors-that-impact-recurrence-in-patients-with-borderline-ovarian-tumors
#15
Xi Chen, Chenyan Fang, Tao Zhu, Ping Zhang, Aijun Yu, Shihua Wang
BACKGROUND: The lack of consensus around best practices for management of borderline ovarian tumors (BOT) is, in part, to the lack of available data and of clarity in interpreting relationships among various factors that impact outcomes. The objective of this study was to identify clinicopathological factors that impact prognosis of patients with borderline ovarian tumors (BOT) and to address features of this disease with the objective of providing clarity in decision making around management of BOT...
April 4, 2017: Journal of Ovarian Research
https://www.readbyqxmd.com/read/28373449/ovarian-cancer-surgery-a-population-based-registry-study
#16
Pia Leandersson, Gabriel Granåsen, Christer Borgfeldt
BACKGROUND/AIM: To evaluate ovarian cancer surgery in tertiary centers (TC) and regional hospitals (RH). PATIENTS AND METHODS: Data from the GynOp registry on patients undergoing surgery for ovarian cancer or borderline tumor from 2013 to 2015 were analyzed. RESULTS: Four TC and 21 RH reported 1,108 cases of surgery with curative intent, 770 cases (69.5%) in TC and 338 cases (30.5%) in RH. Out of 458 patients with International Federation of Gynecology and Obstetrics (FIGO) stage IIIC-IV disease 396 (86...
April 2017: Anticancer Research
https://www.readbyqxmd.com/read/28370815/quantifying-tumor-vascular-heterogeneity-with-dce-mri-in-complex-adnexal-masses-a-preliminary-study
#17
Isabelle Thomassin-Naggara, Narimane Soualhi, Daniel Balvay, Emile Darai, Charles-André Cuenod
PURPOSE: To evaluate the value of quantifying dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) heterogeneity to characterize adnexal masses. MATERIALS AND METHODS: Our database was retrospectively queried to identify all surgically proven adnexal masses characterized with a 1.5T DCE-MRI between January 1st 2008 and February 28th 2010 (n = 113 masses, including 52 benign, 11 borderline, and 50 invasive malignant tumors). The solid component of the adnexal mass was segmented...
April 3, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28370761/preoperative-mri-features-associated-with-lymphovascular-invasion-in-node-negative-invasive-breast-cancer-a-propensity-matched-analysis
#18
Hyejin Cheon, Hye Jung Kim, So Mi Lee, Seung Hyun Cho, Kyung Min Shin, Gab Chul Kim, Ji Young Park, Won Hwa Kim
PURPOSE: In node-negative disease, the presence of lymphovascular invasion (LVI) is reported to be an unfavorable prognostic factor. Thus, the aim of this study was to evaluate whether preoperative breast MRI features are associated with LVI in patients with node-negative invasive breast cancer by a propensity-matched analysis. MATERIALS AND METHODS: Among 389 patients with node-negative invasive ductal breast cancer who had preoperative breast 3.0 Tesla MRI with precontrast T2-weighted fat-suppressed, pre- and dynamic postcontrast T1-weighted fat-suppressed sequences, 61 patients with LVI (LVI group) were matched with 183 patients without LVI (no LVI group) at a ratio of 1:3 in terms of age, histologic grade, tumor size, and hormone receptor status...
April 3, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28351340/molecular-pathology-of-anaplastic-thyroid-carcinomas-a-retrospective-study-of-144-cases
#19
Benjamin Bonhomme, Yann Godbert, Gaelle Perot, Abir Alghuzlan, Stéphane Bardet, Geneviève Belleannée, Lise Criniere, Christine Do Cao, Geneviève Fouilhoux, Serge Guyetant, Antony Kelly, Sophie Leboulleux, Camille Buffet, Emmanuelle Leteurtre, Jean-Jacques Michels, Frédérique Tissier, Marie-Elisabeth Toubert, Michel Wassef, Clémence Pinard, Isabelle Hostein, Isabelle Soubeyran
BACKGROUND: Anaplastic thyroid carcinoma (ATC) is a rare tumor with poorly defined oncogenic molecular mechanisms and limited therapeutic options contributing to its poor prognosis. The aim of this retrospective study was to determine the frequency of anaplastic lymphoma kinase (ALK) translocations and identify the mutational profile of ATC including TERT promoter mutation. METHODS AND MATERIALS: One hundred and forty-four ATC cases were collected from 10 centers that are a part of the national French network for management of refractory thyroid tumors (TUTHYREF)...
March 28, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28350689/spheno-orbital-meningiomas-an-analysis-based-on-world-health-organization-classification-and-ki-67-proliferative-index
#20
Irina Belinsky, Ann P Murchison, James J Evans, David W Andrews, Christopher J Farrell, James P Casey, Mark T Curtis, Kamila A Nowak Choi, Maria Werner-Wasik, Jurij R Bilyk
PURPOSE: To evaluate the clinical behavior of spheno-orbital meningiomas with regard to World Health Organization (WHO) tumor grade and Ki-67, a cellular marker of proliferation. METHODS: A retrospective review over a 16-year period of the demographic, clinical, radiographic, and surgical data of all patients with spheno-orbital meningioma who underwent surgical resection. Tumor specimens were examined histologically using the current WHO 2016 classification and immunohistochemically using Ki-67/MIB-1 monoclonal antibody...
March 27, 2017: Ophthalmic Plastic and Reconstructive Surgery
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