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https://www.readbyqxmd.com/read/29334213/conservative-management-of-ovarian-fibroma-in-a-case-of-gorlin-goltz-syndrome-comorbid-with-endometriosis
#1
Sepideh Khodaverdi, Leila Nazari, Abolfazl Mehdizadeh-Kashi, Mansoureh Vahdat, Samaneh Rokhgireh, Ali Farbod, Banafsheh Tajbakhsh
Ovarian fibromas are the most common benign solid ovarian tumors, which are often difficult to diagnose preoperatively. Ovarian fibromas, especially in bilateral cases, may be cases of Gorlin-Goltz syndrome (GGS), a rare autosomal dominant disorder with predisposition to basal cell carcinomas (BCCs) and other various benign and malignant tumors. This case report describes a 25 year-old female with GGS, bilateral ovarian fibroma, endometriosis and septated uterus, which was referred to the Gynecology Clinic of Rasoul-e-Akram Hospital in October 2016...
April 2018: International Journal of Fertility & Sterility
https://www.readbyqxmd.com/read/29331752/synthesis-of-gold-i-phosphine-complexes-containing-the-2-brc6f4pph2-ligand-evaluation-of-anticancer-activity-in-2d-and-3d-spheroidal-models-of-hela-cancer-cells
#2
T Srinivasa Reddy, Steven H Privér, Nedaossadat Mirzadeh, Suresh K Bhargava
Newly synthesised mononuclear gold complexes containing the 2-BrC6F4PPh2 ligand have been fully characterised and their anticancer activity towards five human tumor [prostate (PC3), glioblastoma (U87MG), cervical (HeLa), fibrosarcoma (HT1080), ovarian (SKOV-3)] and normal human embryonic kidney (Hek-293T) cell lines investigated. Some of the synthesised gold complexes displayed higher cytotoxicity than cisplatin towards PC-3, HeLa and U87MG cells and inhibited the thioredoxin reductase (TrxR) enzyme, which is considered a potential target for new compounds in cancer treatment...
December 24, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29331665/blocking-lpa-dependent-signaling-increases-ovarian-cancer-cell-death-in-response-to-chemotherapy
#3
LeAnn C Rogers, Ryan R Davis, Naveen Said, Thomas Hollis, Larry W Daniel
The paradoxical role of reactive oxygen species in cell death versus cell survival establishes a delicate balance between chemotherapy efficacy and management of detrimental side effects. Normal proliferative signaling requires that cells remain inside a redox range that allows reversible protein oxidation to occur. Shifting the redox environment toward highly reducing or oxidizing states leads to cellular stress and cell death. Reactive oxygen species produced in response to Taxol and cisplatin treatment are necessary for effective cancer cell killing but the same ROS leads to damaging side effects in normal tissues...
January 4, 2018: Redox Biology
https://www.readbyqxmd.com/read/29331371/birth-weight-and-the-risk-of-histological-subtypes-of-ovarian-and-endometrial-cancers-results-from-the-copenhagen-school-health-records-register
#4
Britton Trabert, Julie Aarestrup, Lian G Ulrich, Nicolas Wentzensen, Thorkild I A Sørensen, Jennifer L Baker
BACKGROUND: Studies of birth weight associations with ovarian and endometrial cancer risks are limited with inconsistent results, and none has evaluated associations by histologic subtype. We utilized prospectively collected birth weight information to investigate the association with risk of ovarian and endometrial cancers overall and by histologic subtype. METHODS: 162,559 girls, born from 1930 to 1989, from the Copenhagen School Health Records Register (CSHRR) were followed prospectively via linkage with the Danish health registers...
January 10, 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29331323/regulation-of-inflammatory-factors-by-double-stranded-rna-receptors-in-breast-cancer-cells
#5
Amritha Venkatesh, Harika Nandigam, Maria Muccioli, Manindra Singh, Tiffany Loftus, Deana Lewis, Michelle Pate, Fabian Benencia
Malignant cells are not the only components of a tumor mass since other cells (e.g., fibroblasts, infiltrating leukocytes and endothelial cells) are also part of it. In combination with the extracellular matrix, all these cells constitute the tumor microenvironment. In the last decade the role of the tumor microenvironment in cancer progression has gained increased attention and prompted efforts directed to abrogate its deleterious effects on anti-cancer therapies. The immune system can detect and attack tumor cells, and tumor-infiltrating lymphocytes (particularly CD8 T cells) have been associated with improved survival or better response to therapies in colorectal, melanoma, breast, prostate and ovarian cancer patients among others...
November 22, 2017: Immunobiology
https://www.readbyqxmd.com/read/29330195/dicer1-gene-mutations-in-endocrine-tumors
#6
Michael Solarski, Fabio Rotondo, William Foulkes, John R Priest, Luis V Syro, Henriett Butz, Michael Cusimano, Kalman Kovacs
In this review, the importance of the DICER1 gene in the function of endocrine cells is discussed. There is conclusive evidence that DICER1 mutations play a crucial role in the development, progression, cell proliferation, therapeutic responsiveness and behavior of several endocrine tumors. We review the literature of DICER1 gene mutations in thyroid, parathyroid, pituitary, pineal gland, endocrine pancreas, paragangliomas, medullary, adrenocortical, ovarian, and testicular tumors. Although significant progress has been made during the last few years, much more work is needed to fully understand the significance of DICER1 mutations...
January 12, 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29330040/yod1-attenuates-neurogenic-proteotoxicity-through-its-deubiquitinating-activity
#7
Kunikazu Tanji, Fumiaki Mori, Yasuo Miki, Jun Utsumi, Hidenao Sasaki, Akiyoshi Kakita, Hitoshi Takahashi, Koichi Wakabayashi
Ubiquitination, a fundamental post-translational modification of intracellular proteins, is enzymatically reversed by deubiquitinase enzymes (deubiquitinases). >90 deubiquitinases have been identified. One of these enzymes, YOD1, possesses deubiquitinase activity and is similar to ovarian tumor domain-containing protein 1, which is associated with regulation of the endoplasmic reticulum (ER)-associated degradation pathway. Indeed, YOD1 is reported to be involved in the ER stress response induced by mislocalization of unfolded proteins in mammalian cells...
January 10, 2018: Neurobiology of Disease
https://www.readbyqxmd.com/read/29329342/ternary-copper-ii-complex-nci60-screening-toxicity-studies-and-evaluation-of-efficacy-in-xenograft-models-of-nasopharyngeal-carcinoma
#8
Munirah Ahmad, Shazlan-Noor Suhaimi, Tai-Lin Chu, Norazlin Abdul Aziz, Noor-Kaslina Mohd Kornain, D S Samiulla, Kwok-Wai Lo, Chew-Hee Ng, Alan Soo-Beng Khoo
Copper(II) ternary complex, [Cu(phen)(C-dmg)(H2O)]NO3 was evaluated against a panel of cell lines, tested for in vivo efficacy in nasopharyngeal carcinoma xenograft models as well as for toxicity in NOD scid gamma mice. The Cu(II) complex displayed broad spectrum cytotoxicity against multiple cancer types, including lung, colon, central nervous system, melanoma, ovarian, and prostate cancer cell lines in the NCI-60 panel. The Cu(II) complex did not cause significant induction of cytochrome P450 (CYP) 3A and 1A enzymes but moderately inhibited CYP isoforms 1A2, 2C9, 2C19, 2D6, 2B6, 2C8 and 3A4...
2018: PloS One
https://www.readbyqxmd.com/read/29327155/downregulation-of-mir-503-contributes-to-the-development-of-drug-resistance-in-ovarian-cancer-by-targeting-pi3k-p85
#9
Di Wu, Pan Lu, Xue Mi, Jinwei Miao
OBJECTIVE: Cisplatin is an important chemotherapeutic agent frequently used in the treatment of ovarian cancer. However, resistance to cisplatin is an obstacle to the treatment of ovarian cancer. Recently, many studies have demonstrated that microRNAs (miRNAs) are involved in the drug resistance of ovarian cancer cells. In this study, we explored the role of miR-503 in cisplatin-resistant ovarian cancer. MATERIALS AND METHODS: To investigate the relationship between miR-503 expression and the sensitivity of ovarian cancer cells to cisplatin, the cells were transfected with miR-503 mimics/inhibitors...
January 11, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29327114/anthropometric-characteristics-and-ovarian-cancer-risk-and-survival
#10
Albina N Minlikeeva, Kirsten B Moysich, Paul C Mayor, John L Etter, Rikki A Cannioto, Roberta B Ness, Kristen Starbuck, Robert P Edwards, Brahm H Segal, Sashikant Lele, Kunle Odunsi, Brenda Diergaarde, Francesmary Modugno
PURPOSE: Multiple studies have examined the role of anthropometric characteristics in ovarian cancer risk and survival; however, their results have been conflicting. We investigated the associations between weight change, height and height change and risk and outcome of ovarian cancer using data from a large population-based case-control study. METHODS: Data from 699 ovarian cancer cases and 1,802 controls who participated in the HOPE study were included. We used unconditional logistic regression adjusted for age, race, number of pregnancies, use of oral contraceptives, and family history of breast or ovarian cancer to examine the associations between self-reported height and weight and height change with ovarian cancer risk...
January 11, 2018: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/29326975/identifying-the-substrate-proteins-of-u-box-e3s-e4b-and-chip-by-orthogonal-ubiquitin-transfer
#11
Karan Bhuripanyo, Yiyang Wang, Xianpeng Liu, Li Zhou, Ruochuan Liu, Duc Duong, Bo Zhao, Yingtao Bi, Han Zhou, Geng Chen, Nicholas T Seyfried, Walter J Chazin, Hiroaki Kiyokawa, Jun Yin
E3 ubiquitin (UB) ligases E4B and carboxyl terminus of Hsc70-interacting protein (CHIP) use a common U-box motif to transfer UB from E1 and E2 enzymes to their substrate proteins and regulate diverse cellular processes. To profile their ubiquitination targets in the cell, we used phage display to engineer E2-E4B and E2-CHIP pairs that were free of cross-reactivity with the native UB transfer cascades. We then used the engineered E2-E3 pairs to construct "orthogonal UB transfer (OUT)" cascades so that a mutant UB (xUB) could be exclusively used by the engineered E4B or CHIP to label their substrate proteins...
January 2018: Science Advances
https://www.readbyqxmd.com/read/29326972/aggressive-neuroendocrine-tumor-of-the-ovary-with-multiple-metastases-treated-with-everolimus-a-case-report
#12
Michiko Kaiho-Sakuma, Masafumi Toyoshima, Mika Watanabe, Asami Toki, Satomi Kameda, Takamichi Minato, Hitoshi Niikura, Nobuo Yaegashi
•Neuroendocrine tumors (NETs) frequently occur in the lungs or the gastrointestinal tract; they are uncommon in the ovary.•The mammalian target of rapamycin (mTOR) pathway has been reported as a treatment for advanced NETs.•We describe a patient with an aggressive primary ovarian NET, successfully treated with everolimus (an mTOR inhibitor).
February 2018: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29325966/role-of-intraoperative-ultrasound-to-extend-the-application-of-minimally-invasive-surgery-for-treatment-of-recurrent-gynecological-cancer
#13
Floriana Mascilini, Lorena Quagliozzi, Francesca Moro, Maria Cristina Moruzzi, Valerio Gallotta, Salvatore Gueli Alletti, Giovanni Scambia, Antonia Carla Testa, Anna Fagotti
STUDY OBJECTIVE: To describe the potential role of intraoperative ultrasound (IOUS) in the detection and localization of recurrent disease in gynecological cancer patients during minimally invasive surgery (MIS). DESIGN: A prospective cohort study (Canadian Task Force II-1). SETTING: A University hospital. PATIENTS: From November 2015 to February 2017, 51 gynecological cancer patients with isolated recurrent disease and candidate for secondary cytoreductive surgery (SCS) were treated by MIS...
January 8, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29325322/-a-retrospective-study-of-tumor-and-fertility-outcomes-after-fertility-sparing-surgical-treatment-of-patients-with-borderline-ovarian-tumors
#14
F Liu, D H Hu, Y F Zhang, B Wang, K Huang, C Y Wang, X Y Xia
Objective: To study tumors and fertility outcomes after fertility-sparing surgical treatment with borderline ovarian tumors (BOT). Methods: One hundred and nineteen patients with BOT enrolled from 3 hospitals between January 2004 and January 2017 were analysed retrospectively.The clinical data and follow-up results were obtained and analyzed. Results: Among the 119 BOT patients, 55 patients underwent fertility-sparing surgery.The median age was 43 years (interquartile range: 15-80 years). There were 103 patients (86...
December 19, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29325270/-research-development-of-circulating-tumor-cell-in-ovarian-epithelial-carcinoma
#15
(no author information available yet)
No abstract text is available yet for this article.
December 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29325268/-clinical-significance-of-targeting-drug-based-molecular-biomarkers-expression-in-ovarian-clear-cell-carcinoma
#16
M J Li, H R Li, X Cheng, R Bi, X Y Tu, F Liu, L H Chen
Objective: To assess the expression level of targeting drug-based molecular biomarkers in ovarian clear cell carcinoma (OCCC) tissues and its clinical significance. Methods: A total of 63 OCCC patients included 40 primary OCCC and 23 recurrent OCCC for secondary cytoreductive surgery (SCS), who had received primary surgeries at Fudan University Shanghai Cancer Center between January, 2008 and December, 2015 were enrolled, and immunohistochemistry SP method was used to test human epidermal growth factor receptor (EGFR), human epidermal growth factor receptor-2 (HER2), aurora kinase A (AURKA), breast cancer susceptibility gene 1 (BRCA1), BRCA2 and programmed death-ligand 1 (PD-L1)protein expression in paraffin-embedded tissues...
December 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/29324546/applying-precision-medicine-to-ovarian-cancer-proof-of-principle-for-a-molecular-second-look
#17
Melissa Schwartz, Olga Camacho-Vanegas, Ashley M Wood, Matthew Dashkoff, Courtney Whitelock, Timothy T Harkins, Carmel J Cohen, Ann Marie Beddoe, Peter Dottino, John A Martignetti
OBJECTIVES: The objectives of this study were to assess if targeted investigation for tumor-specific mutations by ultradeep DNA sequencing of peritoneal washes of ovarian cancer patients after primary surgical debulking and chemotherapy, and clinically diagnosed as disease free, provides a more sensitive and specific method to assess actual treatment response and tailor future therapy and to compare this "molecular second look" with conventional cytology and histopathology-based findings...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29324543/short-term-outcomes-and-pregnancy-rate-after-laparoscopic-fertility-sparing-surgery-for-borderline-ovarian-tumors-a-single-institute-experience
#18
Jianguo Zhao, Caiyan Liu, Jing Liu, Pengpeng Qu
OBJECTIVE: We investigated the short-term outcomes and pregnancy rate after a laparoscopic approach to fertility preservation in patients with borderline ovarian tumors (BOTs). METHODS: Clinic-pathologic variants of patients with BOTs who underwent conservative surgery at the Tianjin Central Hospital of Obstetrics and Gynecology between January 2009 and July 2015 were retrospectively analyzed. RESULTS: Among 211 patients with BOTs, 74 (35...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29324538/specific-regions-rather-than-the-entire-peritoneal-carcinosis-index-are-predictive-of-complete-resection-and-survival-in-advanced-epithelial-ovarian-cancer
#19
Mikkel Rosendahl, Philipp Harter, Signe Frahm Bjørn, Claus Høgdall
BACKGROUND: Advanced epithelial ovarian cancer (EOC) often involves the peritoneum. Because complete resection of tumor and carcinosis is the most important prognostic factor, the peritoneal carcinosis index (PCI) has been evaluated in EOC. We hypothesize that specific PCI regions comprising the small intestine with mesentery (regions 9-12) and the hepatoduodenal ligament (region 2) are more predictive of complete resection (R = 0) and survival than the entire PCI. MATERIALS AND METHODS: We analyzed prospectively collected nationwide data from 507 patients with International Federation of Gynecology and Obstetrics stage IIIB to IVB EOC who underwent primary surgery with complete cytoreductive intent...
January 10, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29324537/the-figo-stage-iva-versus-ivb-of-ovarian-cancer-prognostic-value-and-predictive-value-for-neoadjuvant-chemotherapy
#20
Parvin Tajik, Roelien van de Vrie, Mohammad H Zafarmand, Corneel Coens, Marrije R Buist, Ignace Vergote, Patrick M M Bossuyt, Gemma G Kenter
OBJECTIVE: The revised version of the International Federation of Gynaecology and Obstetrics (FIGO) staging system (2014) for epithelial ovarian cancer includes a number of changes. One of these is the division of stage IV into 2 subgroups. Data on the prognostic and predictive significance of this classification are scarce. The effect of neoadjuvant chemotherapy (NACT) versus primary debulking surgery (PDS) in relation to the subclassification of FIGO stage IV is also unknown. METHODS: We used data of the EORTC 55971 trial, in which 670 patients with previous stage IIIC or IV epithelial ovarian cancer were randomly assigned to PDS or NACT; 160 patients had previous stage IV...
January 10, 2018: International Journal of Gynecological Cancer
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