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Gynecologic carcinoma

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https://www.readbyqxmd.com/read/28435289/long-noncoding-rna-nbat-1-suppresses-tumorigenesis-and-predicts-favorable-prognosis-in-ovarian-cancer
#1
Changsheng Yan, Yi Jiang, Yicong Wan, Lin Zhang, Jinhui Liu, Shulin Zhou, Wenjun Cheng
Long noncoding RNA (lncRNA) has been proven to be involved in many biological processes in ovarian cancer (OC). However, the mechanism still remains unknown. In this study, we screened significantly downregulated NBAT-1, which has been proven to play a significant role in breast cancer, clear cell renal cell carcinoma, and neuroblastoma, but not in OC, in two independent datasets with relatively more samples (GSE18520 and GSE38666) from Gene Expression Omnibus. We found that lncRNA NBAT-1 was obviously downregulated in OC tissue compared to normal ovarian tissue (P<0...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28432899/serum-micrornas-related-with-chemoradiotherapy-resistance-in-advanced-stage-cervical-squamous-cell-carcinoma
#2
Ying Han, Mei Liu, Ziyi Wang, Manni Huang, Ningzhi Xu, Lingying Wu
OBJECTIVE: To investigate the serum microRNAs as biomarkers in predicting chemoradiotherapy resistance in advanced-stage cervical squamous cell carcinoma (ACSCC) patients. METHODS: Serum samples were collected from International Federation of Gynecology and Obstetrics (FIGO) stage IIB to IIIB cervical squamous cell carcinoma patients treated with platinum based Concomitant Chemoradiotherapy (CCRT) in our hospital during September 2013 to November 2015. Twenty well-matched samples (10 resistant and 10 sensitive) were chosen to screen the miRNA expression profile using serum samples pooled with microarrays...
April 19, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28432169/primary-malignant-melanoma-of-the-cervix-a-rare-disease
#3
Ivo Julião, Sonia Dias Carvalho, Vanda Patricio, Ana Raimundo
Malignant melanoma (MM) arising primarily in the cervix is exceedingly rare and has a poor prognosis. We report the case of a primary MM of the cervix in a 64-year-old woman with vaginal bleeding. She presented with a cervical amelanotic lesion which on biopsy rendered the diagnosis of MM. The patient was staged as International Federation of Gynecology and Obstetrics IIB and underwent Wertheim-Meigshysterectomy followed by brachytherapy. One year later, she was diagnosed with a large pelvic relapse for which surgery was performed...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28427775/nonoperative-management-of-atypical-endometrial-hyperplasia-and-grade-1-endometrial-cancer-with-the-levonorgestrel-intrauterine-device-in-medically-ill-post-menopausal-women
#4
William D Baker, Stuart R Pierce, Anne M Mills, Paola A Gehrig, Linda R Duska
OBJECTIVE: To assess the endometrial response rates to treatment with the levonorgestrel intrauterine device in post-menopausal women with atypical hyperplasia/endometrial intraepithelial neoplasia and grade 1 endometrioid (AH/EC) endometrial carcinoma who are not surgical candidates. METHODS: Chart review was undertaken of patients with AH/EC who underwent levonorgestrel intrauterine device insertion by a gynecologic oncologist within two academic health systems between 2002 and 2013...
April 18, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28418994/clinicopathologic-association-and-prognostic-value-of-microcystic-elongated-and-fragmented-melf-pattern-in-endometrial-endometrioid-carcinoma
#5
Atsushi Kihara, Hiroshi Yoshida, Reiko Watanabe, Kenta Takahashi, Tomoyasu Kato, Yoshinori Ino, Masanobu Kitagawa, Nobuyoshi Hiraoka
Microcystic, elongated, and fragmented (MELF) pattern is seen in the invasive front of some endometrial endometrioid carcinomas. Although MELF pattern can be expected as an indicator of patient outcomes, its prognostic significance remains unclear. This study was conducted to elucidate clinicopathologic features and the prognostic impact of MELF pattern in patients with endometrial endometrioid carcinoma. We retrospectively analyzed data of 479 consecutive patients with endometrial endometrioid carcinoma that had been surgically resected...
April 17, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28416487/metabolic-markers-and-statistical-prediction-of-serous-ovarian-cancer-aggressiveness-by-ambient-ionization-mass-spectrometry-imaging
#6
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/28415576/clinicopathological-features-of-small-cell-carcinoma-of-the-uterine-cervix-in-the-surveillance-epidemiology-and-end-results-database
#7
Juan Zhou, San-Gang Wu, Jia-Yuan Sun, Li-Ying Tang, Huan-Xin Lin, Feng-Yan Li, Qiong-Hua Chen, Xin Jin, Zhen-Yu He
To investigate the clinicopathological characteristics and survival of small cell carcinoma of the cervix using Surveillance, Epidemiology, and End Results database. Patients with a diagnosis of small cell carcinoma of the cervix were included between 1988 and 2012. Kaplan-Meier method and Cox regression models were used. A total of 487 patients were included. Of the patients with known International Federation of Gynecology and Obstetrics stage and tumor grade, the stage IV disease was diagnosed in 37.9% patients, and 98...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413652/bilateral-blindness-with-secondary-retinitis-pigmentosa-following-postoperative-docetaxel-and-platinum-combination-chemotherapy-in-primary-small-cell-carcinoma-of-the-endometrium-an-unusual-case-report-and-review-of-the-literature
#8
Qiong-Lan Tang, Jia Liu, Li Zuo, Cong Chi, Hui-Yu Dong, Xiao-Xia Jiang, Xue-Feng Jiang
Ocular toxicity is an uncommon complication of cytotoxic chemotherapy. Bilateral blindness with secondary retinitis pigmentosa (RP) following docetaxel and platinum combination chemotherapy at the recommended dose is extremely rare. The present study reports a case of advanced small-cell carcinoma (SCC) of the endometrium in a patient with diabetes mellitus type 2. The patient suffered from RP with a sharp decline in vision after the fourth course of postoperative docetaxel and platinum combination chemotherapy...
April 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28408839/dnmt1-regulates-human-endometrial-carcinoma-cell-proliferation
#9
Xinjing Wang, Bilan Li
Endometrial carcinoma (EC) is the most common gynecologic malignancy, but the molecular events involved in the development and progression of EC remain unclear. This study aimed to investigate the role of DNA methyltransferase 1 (DNMT1), a member of DNA methyltransferases, in EC. AN3CA cells were transfected with DNMT1 siRNA. The proliferation, cell cycle, and apoptosis of AN3CA cells were evaluated by Cell Counting Kit-8 (CCK-8) assay and flow cytometry. The expression of related genes was detected by polymerase chain reaction and Western blot analysis...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28404908/verteporfin-exhibits-yap-independent-anti-proliferative-and-cytotoxic-effects-in-endometrial-cancer-cells
#10
Venkata Ramesh Dasari, Virginia Mazack, Wen Feng, John Nash, David J Carey, Radhika Gogoi
Endometrial Carcinoma (EMCA) is the most common gynecologic malignancy and the fourth most common malignancy in women in the United States. Yes-associated protein (YAP) is a potent transcription coactivator acting via binding to the TEAD transcription factor, and plays a critical role in organ size regulation. Verteporfin (VP), a benzoporphyrin derivative, was identified as an inhibitor of YAP-TEAD interaction. We investigated the therapeutic efficacy and mechanism of VP in EMCA. The efficacy of VP on cell viability, cytotoxicity and invasion was assayed in EMCA cell lines...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404378/axl-molecular-targeting-counteracts-aggressiveness-but-not-platinum-resistance-of-ovarian-carcinoma-cells
#11
Cristina Corno, Laura Gatti, Noemi Arrighetti, Nives Carenini, Nadia Zaffaroni, Cinzia Lanzi, Paola Perego
Ovarian carcinoma, the most common gynecological cancer, is characterized by high lethality mainly due to late diagnosis and treatment failure. The efficacy of platinum drug-based therapy in the disease is limited by the occurrence of drug resistance, a phenomenon often associated with increased metastatic potential. Because the Tyr-kinase receptor Axl can be deregulated in ovarian carcinoma and plays a pro-metastatic/anti-apoptotic role, the aim of this study was to examine if Axl inhibition modulates drug resistance and aggressive features of ovarian carcinoma cells, using various pairs of cisplatin-sensitive and -resistant cell lines...
April 9, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28401199/clinicopathology-of-epcam-and-egfr-in-human-epithelial-ovarian-carcinoma
#12
Jingying Zheng, Lijing Zhao, Yi Wang, Shuhua Zhao, Manhua Cui
The objective of this study was to explore the expression of EpCAM and EGFR in human epithelial ovarian cancer (EOC) and their correlation with clinicopathological parameters. The protein expression levels of epithelial cell adhesion molecule (EpCAM) and epidermal growth factor receptor (EGFR) were evaluated by immunohistochemistry in formalin-fixed paraffin-embedded specimens from 30 patients with epithelial ovarian carcinoma and 15 normal ovary tissues. Clinicopathological characteristics were gathered by retrospective review of the patients' files...
January 2017: Open Medicine (Warsaw, Poland)
https://www.readbyqxmd.com/read/28399027/relatively-poor-survival-of-mucinous-ovarian-carcinoma-in-advanced-stage-a-systematic-review-and-meta-analysis
#13
Michiel Simons, Leon Massuger, Jolien Bruls, Johan Bulten, Steven Teerenstra, Iris Nagtegaal
OBJECTIVE: Overall, patients with mucinous ovarian carcinoma (MOC) are considered to have a better prognosis compared with the whole group of nonmucinous carcinomas. However, some studies indicate that patients with advanced-stage MOC might have a worse prognosis than those with advanced-stage serous ovarian carcinoma (SOC). We carried out a systematic review and meta-analysis of the current literature. MATERIALS AND METHODS: A comprehensive literature search was carried out identifying 19 articles that compare survival of patients with MOC and patients with SOC...
April 8, 2017: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/28397106/efficacy-of-neratinib-in-the-treatment-of-her2-neu-amplified-epithelial-ovarian-carcinoma-in-vitro-and-in-vivo
#14
Gulden Menderes, Elena Bonazzoli, Stefania Bellone, Jonathan D Black, Salvatore Lopez, Francesca Pettinella, Alice Masserdotti, Luca Zammataro, Babak Litkouhi, Elena Ratner, Dan-Arin Silasi, Masoud Azodi, Peter E Schwartz, Alessandro D Santin
Epithelial ovarian carcinoma is the most lethal of gynecologic malignancies. There is a need to optimize the currently available treatment strategies and to urgently develop novel therapeutic agents against chemotherapy-resistant disease. The objective of our study was to evaluate neratinib's preclinical efficacy in treating HER2-amplified ovarian cancer. Neratinib's efficacy in treating HER2-amplified ovarian cancer was studied in vitro utilizing six primary tumor cell lines with differential HER2/neu expression...
May 2017: Medical Oncology
https://www.readbyqxmd.com/read/28388560/galnt6-expression-enhances-aggressive-phenotypes-of-ovarian-cancer-cells-by-regulating-egfr-activity
#15
Tzu-Chi Lin, Syue-Ting Chen, Min-Chuan Huang, John Huang, Chia-Lang Hsu, Hsueh-Fen Juan, Ho-Hsiung Lin, Chi-Hau Chen
Ovarian cancer is the most lethal of the gynecologic malignancies. N-acetylgalactosaminyltransferase 6 (GALNT6), an enzyme that mediates the initial step of mucin type-O glycosylation, has been reported to regulate mammary carcinogenesis. However, the expression and role of GALNT6 in ovarian cancer are still unclear. Here we showed that high GALNT6 expression correlates with increased recurrence, lymph node metastasis, and chemoresistance in ovarian endometrioid and clear cell carcinomas; and higher GALNT6 levels are significantly associated with poorer patient survivals...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28387071/-pseudotumoral-pelvic-actinomycosis-one-should-think-of-it
#16
A Kakkos, E Gonne, C Coimbra, P Nervo, G Remacle, A Thille, M P Hayette, C Van Linthout, F Kridelka, K Delbecque
Actinomycosis is a rare chronic disease caused by a group of anaerobic Gram positive bacteria. It may mimic a neoplasia at various anatomical levels. A pelvic localization is exceptional but has an increasing incidence since the use of intrauterine devices. In such cases, pelvic actinomycosis may present as a gynecological or a lower colonic malignancy. For all atypical clinical, with a prominent infectious or inflammatory context, the diagnosis of actinomycosis must be suggested and discussed with the pathologist to whom the biopsy will be submitted...
January 2017: Revue Médicale de Liège
https://www.readbyqxmd.com/read/28384868/diagnostic-and-prognostic-significance-of-ki-67-immunohistochemical-expression-in-surface-epithelial-ovarian-carcinoma
#17
Asha Mahadevappa, Shruthi Mysore Krishna, Manjunath Gubbanna Vimala
INTRODUCTION: The Surface Epithelial Ovarian Carcinoma (SEOC) at the moment of diagnosis, the disease is extended beyond the structures of the pelvis. Ki-67 is one of the prognostic marker which determines the growth fraction of a tumour and its over expression is associated with malignancy, tumour aggression, reserved prognosis and metastasis. AIM: To evaluate the proliferative activity using Ki-67 immuno-staining in SEOC and to correlate with histological subtype, grade, Federation of Gynecology and Obstetrics (FIGO) stage, CA125 levels for diagnostic and prognostic purpose...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28381177/dicer1-dysfunction-promotes-stemness-and-aggression-in-endometrial-carcinoma
#18
Xiao-Jun Wang, Fei-Zhou Jiang, Huan Tong, Jie-Qi Ke, Yi-Ran Li, Hui-Lin Zhang, Xiao-Fang Yan, Fang-Yuan Wang, Xiao-Ping Wan
Endometrial carcinoma is one of the most common gynecological malignancies, but the molecular events involved in the development and progression of endometrial carcinoma remain unclear. Dicer1 and cancer stem cells play important roles in cell motility and survival. This study investigated the role of the let-7 family and Dicer1 in the stemness of endometrial carcinoma cells. We profiled Dicer1 expression in clinical samples and explored its relationship with stem cell-associated markers and clinical parameters...
April 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28377094/t-cell-target-antigens-across-major-gynecologic-cancers
#19
REVIEW
Alba Rodriguez-Garcia, Nicholas G Minutolo, John M Robinson, Daniel J Powell
Immunotherapies have achieved remarkable success in treating different forms of cancer including melanoma, non-small cell lung carcinoma, bladder cancer, synovial cell sarcoma, and multiple myeloma using immune checkpoint blockade or gene-engineered T-cells. Although gynecologic cancers have not been historically classified as immunogenic tumors, growing evidence has shown that they are in fact able to elicit endogenous antitumor immune responses suggesting that patients with these cancers may benefit from immunotherapy...
April 2, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28376204/nonsteroidal-anti-inflammatory-drugs-and-endometrial-carcinoma-mortality-and-recurrence
#20
Theodore M Brasky, Ashley S Felix, David E Cohn, D Scott McMeekin, David G Mutch, William T Creasman, Premal H Thaker, Joan L Walker, Richard G Moore, Shashikant B Lele, Saketh R Guntupalli, Levi S Downs, Christa I Nagel, John F Boggess, Michael L Pearl, Olga B Ioffe, Kay J Park, Shamshad Ali, Louise A Brinton
Background: Recent data suggest that the use of nonsteroidal anti-inflammatory drugs (NSAIDs) may be associated with reductions in endometrial cancer risk, yet very few have examined whether their use is related to prognosis among endometrial cancer patients. Methods: Study subjects comprised 4374 participants of the NRG Oncology/Gynecology Oncology Group 210 Study with endometrial carcinoma who completed a presurgical questionnaire that assessed history of regular prediagnostic NSAID use and endometrial cancer risk factors...
March 1, 2017: Journal of the National Cancer Institute
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