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Yang Zou, Jiang-Yan Zhou, Jiu-Bai Guo, Li-Qun Wang, Yong Luo, Zi-Yu Zhang, Fa-Ying Liu, Jun Tan, Feng Wang, Ou-Ping Huang
Endometriosis is a potential premalignant disorder. The underlying molecular aberrations, however, are not fully understood. A recent exome sequencing study found that 25% (10/39) of deep infiltrating endometriosis harbored cancer driver gene mutations. However, it is unclear whether these mutations also exist in ovarian endometriosis. Here, a total of 101 ovarian endometriosis samples were analyzed for the presence of these gene mutations, including KRAS, PPP2R1A, PIK3CA and ARID1A. In addition, 6 other cancer-associated genes (BRAF, NRAS, HRAS, ERK1, ERK2 and PTEN) were also analyzed...
March 9, 2018: Mutation Research
Sandra Schöniger, Hilke Gräfe, Franziska Richter, Heinz-Adolf Schoon
The enzyme indoleamine 2,3-dioxygenase 1 (IDO1) acts immunomodulatory and restricts bacterial growth. In the uterus of women and mice, it likely contributes to tissue homeostasis and disease pathogenesis. Pregnancy failure in mares is often caused by endometritis and endometrosis. The pathogenesis of nonsuppurative endometritis and endometrosis is still uncertain. To the authors' knowledge, no information on IDO1 expression in the equine endometrium is published. Aim of this study was to examine the presence of IDO1 as transcripts and proteins in the healthy and diseased endometrium of 25 mares and to determine its cellular expression...
March 5, 2018: Research in Veterinary Science
Charalampos S Siristatidis, Eleni Sertedaki, Dennis Vaidakis, Christos Varounis, Marialena Trivella
BACKGROUND: In order to overcome the low effectiveness of assisted reproductive technologies (ART) and the high incidence of multiple births, metabolomics is proposed as a non-invasive method to assess oocyte quality, embryo viability, and endometrial receptivity, and facilitate a targeted subfertility treatment. OBJECTIVES: To evaluate the effectiveness and safety of metabolomic assessment of oocyte quality, embryo viability, and endometrial receptivity for improving live birth or ongoing pregnancy rates in women undergoing ART, compared to conventional methods of assessment...
March 16, 2018: Cochrane Database of Systematic Reviews
Roberta Venturella, Alberto Vaiarelli, Laura Buffo, Pietro D'alessandro, Silvia Colamaria, Sara Pedri, Costantino Di Carlo, Erminia Alviggi, Marina Forte, Federica Faustini, Fulvio Zullo, Laura Rienzi, Flippo M Ubaldi
We aimed to evaluate patients' perspectives on a progesterone subcutaneous formulation for endometrial preparation for frozen-thawed blastocyst transfer. In this prospective study, women with at least one experience with vaginal progesterone, undergone endometrial preparation with oral estradiol valerate and daily subcutaneous progesterone administered from the fifth day before the transfer until the day of the beta-hCG test. Patients completed three questionnaires, at enrollment (Q1), for gathering information on the experience with vaginal treatment and expectations about the subcutaneous route and then at the time of the transfer (Q2) and eight days later (Q3)...
March 16, 2018: Gynecological Endocrinology
Doaa Abdelmageed El Faham, Mohamed Amr Hussein Elnoury, Mona Ibraheim Morsy, Marwa Abdelmoneim El Shaer, Ghada Mohammed Nour Eldin, Osama Mahmoud Azmy
Low-level laser therapy (LLLT) has been used in photobiomodulation to promote healing, regenerate, and restore tissue function. Women with persistent thin endometrium were assumed to encounter diminished activity in the regenerative and functional capacity of their endometrium. The aim of this study was to examine the ability of LLLT in 635 nm wavelength to enhance the proliferation and gene expression of in vitro cultured endometrial cells. Single (SE) versus multiple exposures (ME) to LLLT were examined in the study groups and compared to controls...
March 15, 2018: Lasers in Medical Science
Lan Hai, Maria M Szwarc, Bin He, David M Lonard, Ramakrishna Kommagani, Francesco J DeMayo, John P Lydon
Speckle-type poz protein (SPOP) is an E3-ubiquitin ligase adaptor for turnover of a diverse number of proteins involved in key cellular processes from chromatin remodeling, transcriptional regulation to cell signaling. Genomic analysis revealed that SPOP somatic mutations are found in a subset of endometrial cancers, suggesting that these mutations act as oncogenic drivers of this gynecologic malignancy. These studies also raise the question as to the role of wild type SPOP in normal uterine function. To address this question, we generated a mouse model (Spopd/d) in which SPOP is ablated in uterine cells that express the PGR...
March 13, 2018: Biology of Reproduction
Peng Wang, San-Pin Wu, Kelsey E Brooks, Andrew M Kelleher, Jessica Milano-Foster, Francesco J DeMayo, Thomas E Spencer
Forkhead box A2 (FOXA2) is a pioneer transcription factor involved in organ development, function and cancer. In the uterus, FOXA2 is essential for pregnancy and expressed specifically in the glands of the endometrium loss of FOXA2 function occurs during development of endometrial cancer in humans. The present study describes the development of a mouse model for conditional expression of mouse FOXA2. Using a system consisting of a minigene located at the Rosa26 locus, a CAG-S-mFOXA2 allele was generated in embryonic stem cells and subsequently in mice; before activation, the minigene is silent due to a floxed stop cassette inserted between the promoter and the transgene...
March 13, 2018: Endocrinology
Harriet C Fitzgerald, Jemma Evans, Nicholas Johnson, Giuseppe Infusini, Andrew Webb, Luk J R Rombauts, Beverley J Vollenhoven, Lois A Salamonsen, Tracey A Edgell
The regenerative, proliferative phase of a woman's menstrual cycle is a critical period which lays the foundation for the subsequent, receptive secretory phase. Although endometrial glands and their secretions are essential for embryo implantation and survival, the proliferative phase, when these glands form, has been rarely examined. We hypothesized that alterations in the secreted proteome of the endometrium of idiopathic infertile women would reflect a disturbance in proliferative phase endometrial regeneration...
March 13, 2018: Biology of Reproduction
Fatimah Alnafisah, Shaimaa K Dawa, Sherif Alalfy
Cutaneous endometriosis is one of the rare gynecological conditions. Endometriosis is defined as the presence of endometrial glands and stroma outside the endometrial cavity. It commonly occurs in pelvic sites, such as the ovaries, cul-de-sac, bowel, or pelvic peritoneum. Endometriosis at the incisional scar is difficult to diagnose because of nonspecific symptoms. Usually, patients complain of pain at the site of the incision during menstruation. The main causes in most of the reported cases are obstetrical and gynecological surgeries...
January 13, 2018: Curēus
Evangelos G Papanikolaou, Hakan Yarali, Evi Timotheou, Michael Grynberg, Odysseas Zafeiratis, Herman Tournaye, Robert Najdecki
Introduction: A drawback of gonadotropin-releasing hormone (GnRH) antagonist protocols in in vitro fertilization (IVF) is that they have limited flexibility in cycle programming. This proof of concept study explored the efficacy of a single-dose, long-acting GnRH antagonist IVF protocol. Trial registration number is NCT03240159, retrospectively registered on March 08, 2017. Materials and methods: The efficacy of a single-dose long-acting antagonist, degarelix, was explored initially in healthy donors and subsequently in infertile patients...
2018: Frontiers in Endocrinology
Seyran Yiğit, Neşe Ekinci, Leyla Hayrullah, İrfan Öcal, İncim Bezircioğlu
OBJECTIVE: Dedifferentiated endometrioid adenocarcinoma is a recently defined uterine tumor composed of low grade endometrioid adenocarcinoma and undifferentiated carcinoma. Herein we present clinicopathologic, morphologic and immunohistochemical features of 5 dedifferentiated endometrioid adenocarcinoma cases. MATERIAL AND METHODS: All cases diagnosed as mixed endometrial adenocarcinoma (endometrioid + undifferentiated carcinoma) or dedifferentiated endometrioid adenocarcinoma between January 2008 and December 2014 were retrieved from the archives of our institution's pathology department...
March 16, 2018: Journal of the Turkish German Gynecological Association
Işıl Kasapoğlu, Pınar Türk, Aylin Dayan, Gürkan Uncu
OBJECTIVE: The aim of the study was to compare patients with endometriosis to those without endometriosis regarding performance rates, difficulties and complications associated with transvaginal oocyte retrieval (TVOR) procedures. MATERIAL AND METHODS: A prospective cohort study was conducted at the IVF Unit of the Division of Reproductive Endocrinology and Infertility Department of an University Hospital. Fifty-eight patients with endometriosis and 61 patients without endometriosis underwent a TVOR procedure consecutively...
March 16, 2018: Journal of the Turkish German Gynecological Association
Alessandra Di Giovanni, Lucia Casarella, Marina Coppola, Domenico Iuzzolino, Marianna Rasile, Mario Malzoni
STUDY OBJECTIVE: To assess sensitivity and accuracy of combined transvaginal/transabdominal ultrasonography for evaluation of deep infiltrating bowel endometriosis nodules measured after surgery. DESIGN: A prospective study (Canadian Task Force classification II.1). SETTING: A Center for Advanced Endoscopic Gynecologic Surgery from January 2014 to December 2016. PATIENTS: All women undergoing laparoscopic surgery and scheduled for segmental resection for clinically suspected bowel endometriosis...
March 12, 2018: Journal of Minimally Invasive Gynecology
Rosanne M Kho, Marina Paula Andres, Giuliano Moysés Borrelli, Joao Siufi Neto, Alan Zanluchi, Mauricio Simões Abrão
Treatment options for patients with different types of endometriosis - superficial, ovarian, or deep - vary depending on the clinical presentation. New findings in the recent years regarding the role of preoperative imaging, efficacy of medical therapy, and effect of surgery on ovarian reserve have changed the way we understand the disease and subsequently the way we treat our patients. Practicing clinicians frequently refer to published recommendations from major societies for treatment guidelines. This paper aims to present and compare the varying major society guidelines on the indications and best surgical treatment approach for the management of the different types of endometriosis...
February 16, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
Leen Aerts, Lorraine Grangier, Isabelle Streuli, Patrick Dällenbach, Roberto Marci, Jean-Marie Wenger, Nicola Pluchino
Endometriosis-associated pelvic pain is a major health concern in women of childbearing age. Controlled studies have shown that endometriosis can adversely affect women and their partners' general psychological well-being, relationship adjustment and overall quality of life. Furthermore, women with endometriosis report significantly more sexual dysfunctions compared to healthy women. Empirical studies indicate that specific psychosocial factors may modulate pain experience, pain-related distress and treatment outcome...
February 8, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
E Mathieu d'Argent, J Cohen, C Chauffour, J L Pouly, J Boujenah, C Poncelet, C Decanter, P Santulli
Deeply infiltrating endometriosis is a severe form of the disease, defined by endometriotic tissue peritoneal infiltration. The disease may involve the rectovaginal septum, uterosacral ligaments, digestive tract or bladder. Deeply infiltrating endometriosis is responsible for disabling pain and infertility. The purpose of these recommendations is to answer the following question: in case of deeply infiltrating endometriosis associated infertility, what is the best therapeutic strategy? First-line surgery and then in vitro fertilization (IVF) in case of persistent infertility or first-line IVF, without surgery? After exhaustive literature analysis, we suggest the following recommendations: studies focusing on spontaneous fertility of infertile patients with deeply infiltrating endometriosis found spontaneous pregnancy rates about 10%...
March 12, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
C-A Philip, G Dubernard
Endometriosis is difficult to diagnose clinically. Transvaginal sonography (TVS) is a procedure that is known to be operator-dependent, which mean that published evidences has to be balanced with the level of the sonographer that produced the data. The objective of this publication was to assess the performances of the sonography in the diagnosis of endometriosis in order to establish the French national recommendations. We searched the MEDLINE database for publication from January 2000 to September 2017 using keywords associated with endometriosis and sonography...
March 12, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
Emily M Ko, Laura J Havrilesky, Ronald D Alvarez, Oliver Zivanovic, Leslie R Boyd, Elizabeth L Jewell, Patrick F Timmins, Randall S Gibb, Anuja Jhingran, David E Cohn, Sean C Dowdy, Matthew A Powell, Eva Chalas, Yongmei Huang, Jill Rathbun, Jason D Wright
Health care in the United States is in the midst of a significant transformation from a "fee for service" to a "fee for value" based model. The Medicare Access and CHIP Reauthorization Act of 2015 has only accelerated this transition. Anticipating these reforms, the Society of Gynecologic Oncology developed the Future of Physician Payment Reform Task Force (PPRTF) in 2015 to develop strategies to ensure fair value based reimbursement policies for gynecologic cancer care. The PPRTF elected as a first task to develop an Alternative Payment Model for thesurgical management of low risk endometrial cancer...
March 12, 2018: Gynecologic Oncology
X Melody Qu, Vikram M Velker, Eric Leung, Janice S Kwon, Mohamed A Elshaikh, Iwa Kong, Natalie A Logie, Lucas C Mendez, Louis J van der Putten, Elysia K Donovan, Adnan R Munkarah, Ericka M Wiebe, Carlos Parra-Herran, Andrew Warner, Alexander V Louie, David P D'Souza
OBJECTIVE: As the optimal adjuvant management of stage IA serous or clear cell endometrial cancer is controversial, a multi-institutional review was conducted with the objective of evaluating the appropriateness of various strategies including observation. METHODS: Retrospective chart reviews for 414 consecutive patients who underwent hysterectomy for FIGO stage IA endometrial cancer with serous, clear cell or mixed histology between 2004 and 2015 were conducted in 6 North American centers...
March 12, 2018: Gynecologic Oncology
Joanna Przybyl, Lukasz Kidzinski, Trevor Hastie, Maria Debiec-Rychter, Roel Nusse, Matt van de Rijn
OBJECTIVE: Low-grade endometrial stromal sarcomas (LGESS) harbor chromosomal translocations that affect proteins associated with chromatin remodeling Polycomb Repressive Complex 2 (PRC2), including SUZ12, PHF1 and EPC1. Roughly half of LGESS also demonstrate nuclear accumulation of β-catenin, which is a hallmark of Wnt signaling activation. However, the targets affected by the fusion proteins and the role of Wnt signaling in the pathogenesis of these tumors remain largely unknown. METHODS: Here we report the results of a meta-analysis of three independent gene expression profiling studies on LGESS and immunohistochemical evaluation of nuclear expression of β-catenin and Lef1 in 112 uterine sarcoma specimens obtained from 20 LGESS and 89 LMS patients...
March 12, 2018: Gynecologic Oncology
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