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Cancer ovarian

Ming-Xing Zhang, Shan-Shan Hong, Qing-Qing Cai, Meng Zhang, Jun Chen, Xiao-Yan Zhang, Cong-Jian Xu
Ovarian cancer is the leading cause of cancer death among gynecological malignancies. The high mortality rate has not been significantly reduced despite advances in surgery and chemotherapy. Gene therapy shows therapeutic potential, but several key issues must be resolved before clinical application. To minimize toxicity in noncancerous tissues, tumor-specific ligands are conjugated to vectors to increase the selectivity of drug delivery. The expression pattern of follicle-stimulating hormone (FSH) receptor in normal and cancer tissues provides an opportunity for highly selective drug delivery in ovarian cancer...
November 2018: Drug Delivery
Michał Romański, Anna Zacharzewska, Artur Teżyk, Franciszek K Główka
BACKGROUND AND OBJECTIVES: Treosulfan is a prodrug applied in the treatment of ovarian cancer and conditioning prior to stem cell transplantation. So far, the bioanalysis of treosulfan in either whole blood or red blood cells (RBC) has not been carried out. In this work, the RBC/plasma partition coefficient (Ke/p ) of treosulfan and its active monoepoxide was determined for the first time. METHODS: Male and female 10-week-old Wistar rats (n = 6/6) received an intraperitoneal injection of treosulfan at the dose of 500 mg/kg body weight...
March 14, 2018: European Journal of Drug Metabolism and Pharmacokinetics
Tanja Ignatov, Holm Eggemann, Elke Burger, Olaf Ortmann, Serban Dan Costa, Atanas Ignatov
BACKGROUND: Oophorectomy is generally performed in patients with endometrial cancer despite the rate of ovarian metastasis being relatively low. PATIENTS AND METHODS: A multicenter retrospective registry-based study was performed in 2329 patients with endometrial cancer. The outcome measures were the incidence of ovarian metastasis and the impact on overall survival. RESULTS: Median follow-up was performed at 84 months. A total of 2158 women were eligible for analysis, of which 131 (6...
March 14, 2018: Journal of Cancer Research and Clinical Oncology
Anita Lwanga, Michael Anis, Mohamed Ayoubi, Jaya Sharma, Pam Khosla
Myiasis is the infestation of humans with dipterous larvae. Traditionally, myiasis was thought to affect individuals living in tropical regions, however, several cases in temperate zones have been reported. We encountered two patients with histories of malignancies that presented with complaints of myiasis, in Chicago, in the spring and summer of 2016. The first patient, a 54-year-old female with a history of breast cancer, presented with complaints of maggots infesting her postsurgical chest wounds. She was diagnosed with sepsis, cellulitis, and wound myiasis...
January 10, 2018: Curēus
Taigo Kato, Tatsuo Matsuda, Yuji Ikeda, Jae-Hyun Park, Matthias Leisegang, Sachiko Yoshimura, Tetsuro Hikichi, Makiko Harada, Makda Zewde, Sho Sato, Kosei Hasegawa, Kazuma Kiyotani, Yusuke Nakamura
Neoantigens are the main targets of tumor-specific T cells reactivated by immune checkpoint-blocking antibodies or when using tumor-infiltrating T cells for adoptive therapy. While cancers often accumulate hundreds of mutations and harbor several immunogenic neoantigens, the repertoire of mutation-specific T cells in patients might be restricted. To bypass suboptimal conditions, which impede the reactivation of existing T cells or the priming of neoantigen-specific T cells in a patient, we employ T cells of healthy donors with an overlapping HLA repertoire to target cancer neoantigens...
February 16, 2018: Oncotarget
Jing Zhang, Yinghong Cui, Shuwen Sun, Jianguo Cao, Xiaoling Fang
Casticin inhibits migration, invasion and induced apoptosis in numerous cancer cells; however, the Hedgehog (Hh) signaling pathway is a key factor in the epithelial-mesenchymal transition (EMT). The present study aimed to assess whether casticin affects the expression of members of the Hh signaling pathway and EMT effectors in ovarian carcinoma. The ovarian cancer SKOV3 cell line was incubated in the presence of various concentrations of casticin or cyclopamine. Next, the expression levels of the main Hh signaling effector glioma-associated oncogene-1 (Gli-1) and EMT-associated factors [Twist-related protein 1 (Twist1), E-cadherin and N-cadherin] were determined by western blotting and reverse transcription-quantitative polymerase chain reaction...
April 2018: Oncology Letters
Kai Wang, Chenan Guan, Chenyan Fang, Xiaoxiao Jin, Junhui Yu, Yuquan Zhang, Lingzhi Zheng
Forkhead box (FOX) A1 is a member of the FOX family of transcription factors, which serve a function in numerous types of tumor. The present study assessed the potential role of FOXA1 in human epithelial ovarian carcinoma (EOC). Total RNA was isolated from 16 fresh-frozen EOC tumors with paired corresponding non-malignant ovarian epithelium tissues, and FOXA1 expression was analyzed using reverse transcription-quantitative polymerase chain reaction. Immunohistochemical analysis was performed to evaluate FOXA1 expression in 110 epithelial ovarian carcinoma tissue specimens (including 80 serous papillary adenocarcinoma, 9 clear cell carcinoma, 12 endometrioid adenocarcinoma, 5 mucinous carcinoma and 4 transitional cell carcinoma specimens), 24 benign ovarian tumor surface epithelium tissues and 10 normal ovarian tissue samples...
April 2018: Oncology Letters
Tao Zhang, Guannan Zhao, Chuanhe Yang, Peixin Dong, Hidemichi Watari, Lin Zeng, Lawrence M Pfeffer, Junming Yue
Ovarian cancer is one of the most common malignancies in women and has a high mortality rate due to metastatic progression and tumor recurrence. ASAP1 (ArfGAP with SH3 Domain, Ankyrin Repeat and PH Domain 1) is an ADP-ribosylation factor GTPase-activating protein, which is involved in tumor metastasis. However, the role of ASAP1 in ovarian cancer is completely unknown. The present study reported that ASAP1 was highly expressed in ovarian carcinoma, and expression positively-correlated with overall poor survival and prognosis of patients...
April 2018: Oncology Letters
Natalie Herold, Barbara Wappenschmidt, Birgid Markiefka, Katharina Keupp, Sandra Kröber, Eric Hahnen, Rita Schmutzler, Kerstin Rhiem
Non-small cell neuroendocrine carcinomas (NSCNEC) account for 2% of gynecological cancer cases and are associated with a poor prognosis due to delayed diagnosis and aggressive tumor behavior. BRCA2 -associated ovarian carcinomas predominantly possess a high-grade serous phenotype, which respond to platinum and targeted therapy with PARP inhibitors. Presented here is the case of an adult patient with NSCNEC of the ovaries associated with a deleterious BRCA2 germline mutation. The pathogenic mutation was also confirmed on the somatic level, while the wild-type allele had a high variant fraction, suggesting loss of heterozygosity...
April 2018: Oncology Letters
Yi Ping Zheng, Linxia Wu, Jie Gao, Yanfu Wang
microRNAs (miRs) are targets for genomic aberrations and emerging treatments against cancer. It has been demonstrated that targeting miR-569 may potentially benefit patients with ovarian or breast cancer. However, the exact roles of miR-569 remain unclear in human lung cancer cells. Using the reverse transcription-quantitative polymerase chain reaction (RT-qPCR), it was demonstrated that miR-569 expression was consistently decreased in lung cancer cells. As well as cell proliferation and migration inhibition, apoptosis and cell arrest at the G1 phase were induced following reversion of miR-569 expression in lung cancer cells...
April 2018: Oncology Letters
(no author information available yet)
The FDA authorized 23andMe to market the first direct-to-consumer test to check for three BRCA1/2 mutations associated with a higher risk of developing breast, ovarian, and prostate cancers. The mutations are most commonly found in about 2% of women of Ashkenazi Jewish descent.
March 14, 2018: Cancer Discovery
B Borghese, P Santulli, L Marcellin, C Chapron
Endometriosis and adenomyosis are histologically defined. The frequency of endometriosis cannot be precisely estimated in the general population. Endometriosis is considered a disease when it causes pain and/or infertility. Endometriosis is a heterogeneous disease with three well-recognized subtypes that are often associated with each other: superficial endometriosis (SUP), ovarian endometrioma (OMA), and deep infiltrating endometriosis (DIE). DIE is frequently multifocal and mainly affects the following structures: the uterosacral ligaments, the posterior vaginal cul-de-sac, the bladder, the ureters, and the digestive tract (rectum, recto-sigmoid junction, appendix)...
March 11, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
Eirwen M Miller, Joan Tymon-Rosario, Howard D Strickler, Xianhong Xie, Xiaonan Xue, Dennis Y S Kuo, Sharmila K Makhija, Nicole S Nevadunsky
OBJECTIVE: The aim of this study was to evaluate the racial/ethnic disparities in ovarian cancer survival in a diverse population. METHODS: We performed a retrospective cohort study evaluating all patients with epithelial ovarian cancer who received primary treatment at Montefiore Medical Center from 2005 to 2015. Clinicopathologic and survival data were abstracted from medical records. Two-sided statistical analyses were performed using SAS 9.3. RESULTS: Three hundred forty-four evaluable patients were identified: 85 (25%) black, 107 (31%) white, 74 (21%) Hispanic, and 78 (23%) other...
March 14, 2018: International Journal of Gynecological Cancer
Claudia Marchetti, Alessia Romito, Angela Musella, Giulia Santo, Innocenza Palaia, Giorgia Perniola, Violante Di Donato, Ludovico Muzii, Pierluigi Benedetti Panici
OBJECTIVES: In ovarian cancer (OC), approximately 70% will relapse within 12 months from diagnosis; inflammation plays an important role in cancer initiating and progression; thus, a combination of neutrophil-to-lymphocyte ratio (NLR) and fibrinogen (F-NLR) has been proposed as prognostic marker in several tumors. The aim of our study was to investigate the correlation between NLR, fibrinogen, and F-NLR and survival in OC population. METHODS: Patients with diagnosis of OC admitted to our institute between 2011 and 2016 were included...
March 14, 2018: International Journal of Gynecological Cancer
Rohan Parikh, Samantha K Kurosky, Margarita Udall, Jane Chang, Joseph C Cappelleri, Jim P Doherty, James A Kaye
OBJECTIVE: The objective of this article is to describe real-world treatment patterns and outcomes in patients with platinum-refractory/resistant epithelial ovarian, fallopian tube, or primary peritoneal cancer (PRROC) in the United States, United Kingdom, and Canada. METHODS/MATERIALS: Physicians retrospectively reviewed medical records of women aged 18 years or older who were diagnosed with PRROC between January 2010 and June 2014. Patient characteristics, initial PRROC therapy, and health care utilization were assessed; progression-free survival (PFS) and overall survival were estimated using Kaplan-Meier and Cox proportional hazards methods...
March 14, 2018: International Journal of Gynecological Cancer
Aleksandra A Staneva, Vanessa L Beesley, Navin Niranjan, Alexandra F Gibson, Ingrid Rowlands, Penelope M Webb
BACKGROUND: Many women with ovarian cancer experience significant chemotherapy-related adverse effects during treatment and thus cannot complete it without dose reductions and/or delays. There is some indication that chemotherapy completion is associated with improved survival, although currently little is known about what helps women get through chemotherapy. OBJECTIVE: The aim of this study was to explore women's accounts of the factors they believed were helpful during their ovarian cancer treatment...
March 13, 2018: Cancer Nursing
Jie Li, Domenico Bullara, Xuewen Du, Hongjian He, Stavroula Sofou, Ioannis G Kevrekidis, Irving R Epstein, Bing Xu
Recent studies have demonstrated that enzyme-instructed self-assembly (EISA) in extra- or intracellular environments can serve as a multistep process for controlling cell fate. There is little knowledge, however, about the kinetics of EISA in the complex environments in or around cells. Here we design and synthesize three dipeptidic precursors (LD-1-SO3, DL-1-SO3, DD-1-SO3), consisting of diphenylalanine (L-Phe-D-Phe, D-Phe-L-Phe, D-Phe-D-Phe, respectively) as the backbone, which are capped by 2-(naphthalen-2-yl)acetic acid at the N-terminal and by 2-(4-(2-aminoethoxy)-4-oxobutanamido)ethane-1-sulfonic acid at the C- 2 terminal...
March 14, 2018: ACS Nano
Tulika Mitra, Parash Prasad, Pritha Mukherjee, Susri Ray Chaudhuri, Urmi Chatterji, Sib S Roy
Ovarian cancer (OC) is the fourth most common gynecological malignancy due to its highly aggressive, recurrent, and drug-resistant nature. The last two features are rendered by the presence of cancer stem cells (CSCs). Factors like TGFβ1 and their downstream signaling pathways are upregulated in most cancers and are known to induce EMT and stemness, but the exact mechanisms underlying the process remain unelucidated. In our study, TGFβ1 induced enhanced stem-like properties like high expression of the pluripotent markers SOX2, OCT4a, and NANOG, along with CD44, and CD117 in the OC cells...
March 14, 2018: Journal of Cellular Biochemistry
Liang Tang, Jianming Li, Meihua Bao, Ju Xiang, Yiwei Chen, Yan Wang
Objective: The estrogen receptor (ER) and the human epidermal growth factor receptor 2 (HER2) each play an important role in female cancers. This study aimed to investigate the genetic association between three common single nucleotide polymorphisms (SNPs) and the risk of ovarian cancer. The SNPs investigated in this study were ESR2 rs1271572 and rs3020450 and HER2 rs1801200. Methods: In this study, databases were electronically searched in a meta-analysis. Databases used were PubMed, Embase, China National Knowledge Infrastructure (CNKI), Wanfang and Cochrane library...
2018: OncoTargets and Therapy
Anne-Marie Givel, Yann Kieffer, Alix Scholer-Dahirel, Philemon Sirven, Melissa Cardon, Floriane Pelon, Ilaria Magagna, Géraldine Gentric, Ana Costa, Claire Bonneau, Virginie Mieulet, Anne Vincent-Salomon, Fatima Mechta-Grigoriou
High-grade serous ovarian cancers (HGSOC) have been subdivided into molecular subtypes. The mesenchymal HGSOC subgroup, defined by stromal-related gene signatures, is invariably associated with poor patient survival. We demonstrate that stroma exerts a key function in mesenchymal HGSOC. We highlight stromal heterogeneity in HGSOC by identifying four subsets of carcinoma-associated fibroblasts (CAF-S1-4). Mesenchymal HGSOC show high content in CAF-S1 fibroblasts, which exhibit immunosuppressive functions by increasing attraction, survival, and differentiation of CD25+ FOXP3+ T lymphocytes...
March 13, 2018: Nature Communications
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