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https://www.readbyqxmd.com/read/29165700/epigenetic-therapy-novel-translational-implications-for-arrest-of-environmental-dioxin-induced-disease-in-females
#1
Zaraq Khan, Ye Zheng, Tiffanny L Jones, Abigail A Delaney, Luiz F Correa, Chandra C Shenoy, Khashayarsha Khazaie, Gaurang S Daftary
Increased toxicant exposure and resultant environmentally-induced diseases are a tradeoff of industrial productivity. Dioxin (TCDD: 2,3,7,8 tetrachlorodibenzo-p-dioxin), a ubiquitous by-product is associated with a spectrum of diseases including endometriosis, a common, chronic disease in women. TCDD activates cytochrome p450 (CYP) metabolic enzymes, which alters organ function to cause disease. In contrast, the transcription factor, Krüppel-Like Factor (KLF) 11 represses these enzymes via epigenetic mechanisms...
November 17, 2017: Endocrinology
https://www.readbyqxmd.com/read/29164806/enhanced-cytotoxicity-and-apoptosis-by-raloxifene-in-combination-with-estrogen-and-methotrexate-in-human-endometrial-stromal-thesc-cells
#2
Ivana Nikolic, Marija Andjelkovic, Milan Zaric, Ivanka Zelen, Zoran Milosavljevic, Petar Canovic, Marina Mitrovic
Endometrial hyperplasia is a condition that may lead to the development of endometrial carcinoma. Initially, changes of the endometrium are caused by the estrogen's hyperstimulation that may lead to the development of an irregular bleeding and the infertility problems. Therapy of endometrial hyperplasia's is limited to medical and surgical approaches. During the past decade, the new types of drugs were developed for the treatment of the endometrial hyperplasia. Here, for the first time, we investigated the cytotoxic effects of the various combinations of estrogen, raloxifene and methotrexate in human ThESC cell line as a possible potential treatment of the endometrial hyperplasia...
November 22, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29164582/mir-15a-5p-suppresses-endometrial-cancer-cell-growth-via-wnt-%C3%AE-catenin-signaling-pathway-by-inhibiting-wnt3a
#3
Z-M Wang, X-H Wan, G-Y Sang, J-D Zhao, Q-Y Zhu, D-M Wang
OBJECTIVE: Endometrial cancer is one of the three most common types of gynecologic cancer. The global incidence has increased in recent years. microRNAs (miRNAs) regulate numerous biological processes by binding to the 3'UTR of target mRNA to down-regulate protein synthesis. PATIENTS AND METHODS: Endometrial cancer patients received surgeries in our hospital were enrolled. MiR-15a-5p mimic or miR-15a-5p inhibitor was transfected into HEC-1-A cells by lentivirus...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29164336/stimulation-of-chemokines-in-human-endometrial-stromal-cells-by-tumor-necrosis-factor-%C3%AE-and-interferon-%C3%AE-is-similar-under-apoptotic-and-non-apoptotic-conditions
#4
Julia Spratte, Henriette Princk, Florian Schütz, Joachim Rom, Marek Zygmunt, Herbert Fluhr
PURPOSE: Tumor necrosis factor (TNF)-α and interferon (IFN)-γ are pro-inflammatory cytokines which have been shown to be involved in the pathophysiology of implantation disorders. Both cytokines in combination are able to sensitize primarily resistant human endometrial stromal cells (ESCs) to Fas-induced apoptosis. Since CCL (CC-chemokine ligand) 5 and CCL2 are important regulators of the endometrial immune cell population, we examined the impact of TNF-α and IFN-γ on these two chemokines under non-apoptotic and apoptotic conditions...
November 21, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29164299/comparison-of-18-f-fdg-pet-mri-and-mri-alone-for-whole-body-staging-and-potential-impact-on-therapeutic-management-of-women-with-suspected-recurrent-pelvic-cancer-a-follow-up-study
#5
Lino M Sawicki, Julian Kirchner, Johannes Grueneisen, Verena Ruhlmann, Bahriye Aktas, Benedikt M Schaarschmidt, Michael Forsting, Ken Herrmann, Gerald Antoch, Lale Umutlu
PURPOSE: To evaluate the diagnostic performance of (18)F-FDG PET/MRI for whole-body staging and potential changes in therapeutic management of women with suspected recurrent pelvic cancer in comparison with MRI alone. METHODS: Seventy-one consecutive women (54 ± 13 years, range: 25-80 years) with suspected recurrence of cervical (32), ovarian (26), endometrial (7), vulvar (4), and vaginal (2) cancer underwent PET/MRI including a diagnostic contrast-enhanced MRI protocol...
November 21, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29164073/streptococcus-equi-subsp-zooepidemicus-invades-and-survives-in-epithelial-cells
#6
Bolette Skive, Manfred Rohde, Gabriella Molinari, Thomas Hartig Braunstein, Anders M Bojesen
Streptococcus equi subsp. zooepidemicus (S. zooepidemicus) is an opportunistic pathogen of several species including humans. S. zooepidemicus is found on mucus membranes of healthy horses, but can cause acute and chronic endometritis. Recently S. zooepidemicus was found able to reside in the endometrium for prolonged periods of time. Thus, we hypothesized that an intracellular phase may be part of the S. zooepidemicus pathogenesis and investigated if S. zooepidemicus was able to invade and survive inside epithelial cells...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/29163851/checkpoint-inhibitors-in-endometrial-cancer-preclinical-rationale-and-clinical-activity
#7
REVIEW
Gloria Mittica, Eleonora Ghisoni, Gaia Giannone, Massimo Aglietta, Sofia Genta, Giorgio Valabrega
Context: Treatment of advanced and recurrent endometrial cancer (EC) is still an unmet need for oncologists and gynecologic oncologists. The Cancer Genome Atlas Research Network (TCGA) recently provided a new genomic classification, dividing EC in four subgroups. Two types of EC, the polymerase epsilon (POLE)-ultra-mutated and the microsatellite instability-hyper-mutated (MSI-H), are characterized by a high mutation rate providing the rationale for a potential activity of checkpoint inhibitors...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29162841/detection-of-somatic-mutations-in-exome-sequencing-of-tumor-only-samples
#8
Yu-Chin Hsu, Yu-Ting Hsiao, Tzu-Yuan Kao, Jan-Gowth Chang, Grace S Shieh
Due to lack of normal samples in clinical diagnosis and to reduce costs, detection of small-scale mutations from tumor-only samples is required but remains relatively unexplored. We developed an algorithm (GATKcan) augmenting GATK with two statistics and machine learning to detect mutations in cancer. The averaged performance of GATKcan in ten experiments outperformed GATK in detecting mutations of randomly sampled 231 from 241 TCGA endometrial tumors (EC). In external validations, GATKcan outperformed GATK in TCGA breast cancer (BC), ovarian cancer (OC) and melanoma tumors, in terms of Matthews correlation coefficient (MCC) and precision, where MCC takes both sensitivity and specificity into account...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29162652/elucidating-the-pathogenesis-of-synchronous-and-metachronous-tumors-in-a-woman-with-endometrioid-carcinomas-using-a-whole-exome-sequencing-approach
#9
Ren-Chin Wu, Ema Veras, Jeffrey Lin, Emily Gerry, Asli Bahadirli-Talbott, Alexander Baras, Ayse Ayhan, Ie-Ming Shih, Tian-Li Wang
Synchronous endometrial and ovarian (SEO) carcinomas involve endometrioid neoplasms in both the ovary and uterus at the time of diagnosis. Patients were traditionally classified as having independent primary SEO lesions or as having metastatic endometrioid carcinoma. Recent studies have supported that SEO tumors result from the dissemination of cells from one organ site to another. However, whether this can be considered a "metastasis" or "dissemination" remains unclear. In this report, we performed whole-exome sequencing of tumor samples from a woman with well-differentiated endometrioid SEO tumors and a clinical "recurrent" poorly differentiated peritoneal tumor that was diagnosed 8 years after the complete resection of the SEO tumors...
November 2017: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/29162648/biological-age-of-the-endometrium-using-dna-methylation
#10
Mia S Olesen, Anna Starnawska, Jonas Bybjerg-Grauholm, Alexandra P Bielfeld, Inge E Agerholm, Axel Forman, Michael T Overgaard, Mette Nyegaard
Age has a detrimental effect on reproduction and as an increasing number of women postpone motherhood, it is imperative to assess biological age in terms of fertility prognosis and optimizing fertility treatment individually. Horvath's epigenetic clock is a mathematical algorithm that calculates the biological age of human cells, tissues or organs based on DNA methylation levels. The clock however, was previously shown to be highly inaccurate for the human endometrium, most likely because of the hormonal responsive nature of this tissue...
November 21, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/29162091/role-of-micrornas-in-embryo-implantation
#11
REVIEW
Jingjie Liang, Shaoyu Wang, Zhengguang Wang
Failure of embryo implantation is a major limiting factor in early pregnancy and assisted reproduction. Determinants of implantation include the embryo viability, the endometrial receptivity, and embryo-maternal interactions. Multiple molecules are involved in the regulation of implantation, but their specific regulatory mechanisms remain unclear. MicroRNA (miRNA), functioning as the transcriptional regulator of gene expression, has been widely reported to be involved in embryo implantation. Recent studies reveal that miRNAs not only act inside the cells, but also can be released by cells into the extracellular environment through multiple packaging forms, facilitating intercellular communication and providing indicative information associated with physiological and pathological conditions...
November 21, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/29160590/corrigendum-expression-of-nad-p-h-quinone-dehydrogenase-1-nqo1-is-increased-in-the-endometrium-of-women-with-endometrial-cancer-and-women-with-polycystic-ovary-syndrome
#12
William Atiomo, Mohamad Nasir Shafiee, Caroline Chapman, Veronika M Metzler, Jad Abouzeid, Ayşe Latif, Amy Chadwick, Sarah Kitson, Vanitha N Sivalingam, Ian J Stratford, Catrin S Rutland, Jenny L Persson, Niels Ødum, Pablo Fuentes-Utrilla, Jennie N Jeyapalan, David M Heery, Emma J Crosbie, Nigel P Mongan
No abstract text is available yet for this article.
December 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/29159540/is-fertility-preservation-safe-for-adult-non-metastatic-gynecologic-rhabdomyosarcoma-patients-systematic-review-and-pooled-survival-analysis-of-137-patients
#13
REVIEW
Maha At Elsebaie, Zeinab Elsayed
PURPOSE: Recently, conservative approaches such as wide local excisions and neoadjuvant chemotherapy are being considered to select young adult females with gynecologic RMS who have strong desire to preserve fertility. This analysis aims to identify prognosticators affecting survival outcomes and defining potential candidacy for fertility-preservation. Another focus is to explore the role of chemotherapy in reducing the need for aggressive surgery and the role of radiotherapy in decreasing rates of local failure...
November 20, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29159259/primary-non-germinal-center-double-expressor-diffuse-large-b-cell-lymphoma-confined-to-a-uterine-leiomyoma-a-case-report
#14
Alexandra Martin, Erin Medlin
•Primary lymphoma of the female genital tract accounts for 1% of extranodal lymphomas.•Approximately 13% are diffuse large B cell lymphoma of the uterus, most often involving the endometrial stroma or cervix.•The first double-expressor diffuse large B cell lymphoma confined to a uterine leiomyoma is described.
November 2017: Gynecologic Oncology Reports
https://www.readbyqxmd.com/read/29158911/a-retrospective-evaluation-of-activity-of-gemcitabine-platinum-regimens-in-the-treatment-of-recurrent-ovarian-cancer
#15
Tran N Le, Rachel E Harvey, Christine K Kim, Jubilee Brown, Robert L Coleman, Judith A Smith
Background: While many of these agents have been compared in prospective clinical trials, the gemcitabine/platinumbased regimens have not been compared in a prospective, randomized clinical trial. While bothgemcitabine/carboplatin and gemcitabine/cisplatin have a similar ORR in separate clinical trials, the tworegimens have never been directly been compared. With overlapping dose-limiting toxicity of thrombocytopenia, the gemcitabine/carboplatin regimen has been challenging to employ in the clinical setting in previously treated ovarian cancer patients and is often associated with treatment delays and/or dose reductions...
2017: Gynecologic Oncology Research and Practice
https://www.readbyqxmd.com/read/29157555/-systemic-therapy-for-advanced-endometrial-cancer
#16
REVIEW
Patricia Pautier, Fanny Pommeret
Endometrial cancer has generally a good prognosis when diagnosed at an early stage, but remains incurable at an advanced stage (recurrent or metastatic) with only few therapeutic options. Hormonal therapy is the treatment of choice in case of slow progressive disease with a tumor expressing hormonal receptors due to its favorable safety profile. Taxanes, anthracyclines and platinum compounds are the most active chemotherapy agents with greater response rates when combined, though at the price of a significant toxicity...
November 17, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/29157356/effect-of-exogenous-progesterone-on-embryo-size-and-ewe-uterine-gene-expression-in-an-ovine-dam-size-model-of-maternal-constraint
#17
Lisanne M Fermin, Sarah J Pain, Patrick C H Morel, Kristene R Gedye, Paul R Kenyon, Hugh T Blair
Progesterone (P4), acting via its receptor, regulates uterine function and histotroph production, which are crucial to embryo growth. This study aimed to examine exogenous P4 effects on embryo size and differential endometrial gene expression at Day 19 of gestation using a 'dam size' sheep model of maternal constraint. Purebred Suffolk (S, genotypically large) embryos were transferred into recipient groups of Cheviot (C, genotypically small) or Suffolk ewes that had, or had not, been pre-treated with P4 from Days 0 to 6 of pregnancy...
November 21, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29157289/vitamin-c-plus-hydrogel-facilitates-bone-marrow-stromal-cell-mediated-endometrium-regeneration-in-rats
#18
Huan Yang, Su Wu, Ran Feng, Junjiu Huang, Lixiang Liu, Feng Liu, Yuqing Chen
BACKGROUND: Intrauterine adhesion (IUA) is a common uterine cavity disease which can be caused by mechanical damage that may eventually lead to infertility and pregnancy abnormalities. Since the effect of therapeutic drugs appears disappointing, cell therapy has emerged as an alternative choice for endometrium regeneration. The aim of this study is to investigate whether the combination of hydrogel Pluronic F-127 (PF-127), Vitamin C (Vc), and a bone marrow stromal cell (BMSC) mixture could be a feasible strategy to improve the endometrial regeneration in a mechanical damage model of IUA in rats...
November 21, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29157123/trichostatin-a-induces-nag-1-expression-and-apoptosis-in-human-endometriotic-stromal-cells
#19
Seok Kyo Seo, Jae Hoon Lee, Seung Joo Chon, Bo Hyon Yun, Sihyun Cho, Young Sik Choi, Byung Seok Lee
To investigate the effects of trichostatin A (TSA) on nonsteroidal anti-inflammatory drug-activated gene 1 (NAG-1) expression and apoptosis in human endometriotic stromal cells (HESCs), ectopic endometrial tissues were obtained from 15 patients with endometriotic cysts who underwent cystectomy. Human endometriotic stromal cells were isolated and cultured with different concentrations of TSA. Nonsteroidal anti-inflammatory drug-activated gene-1 messenger RNA (mRNA) and protein levels were evaluated by real-time polymerase chain reaction and Western blotting, respectively, and apoptosis was assessed by flow cytometry...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/29156254/xenografted-tissue-models-for-the-study-of-human-endometrial-biology
#20
REVIEW
Satu Kuokkanen, Liyin Zhu, Jeffrey W Pollard
The human endometrium undergoes extensive morphological, biochemical and molecular changes under the influence of female sex steroid hormones. Besides the fact that estrogen stimulates endometrial cell proliferation and progesterone inhibits this proliferation and induces differentiation, there is limited knowledge about precise molecular mechanisms underlying human endometrial biology. The importance of paracrine signaling in endometrial physiology explains why in vitro culture of endometrial cells has been challenging...
November 10, 2017: Differentiation; Research in Biological Diversity
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