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https://www.readbyqxmd.com/read/29778458/noninvasive-diagnosis-of-endometriosis-review-of-current-peripheral-blood-and-endometrial-biomarkers
#1
REVIEW
Dorien F O, Idhaliz Flores, Etienne Waelkens, Thomas D'Hooghe
A noninvasive biomarker-based test could help shorten the diagnostic delay for endometriosis. The most investigated biomarker sources are peripheral blood and endometrium. Discovery of endometriosis biomarkers is often hypothesis-driven, i.e. when one or a few biomarkers are investigated based on their role in the disease pathogenesis. Alternatively, a hypothesis-generating approach has been followed using the "omics" technologies. A variety of biomarkers for endometriosis have been investigated, but no biomarker has been validated for clinical use...
April 13, 2018: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/29778369/programming-the-endometrium-for-deferred-transfer-of-cryopreserved-embryos-hormone-replacement-versus-modified-natural-cycles
#2
REVIEW
Eva R Groenewoud, Bernard J Cohlen, Nicholas S Macklon
Over the last decade the use of frozen-thawed embryo transfer has substantially increased, and currently up to one in two embryos transferred has been cryopreserved. To support implantation, endometrial and embryo maturity are required to be synchronized. This can be achieved in various ways. The most commonly applied endometrial preparation methods are the "natural cycle," in which the sequential estrogen and P necessary for endometrial maturation are derived from the developing follicle, and the "artificial" cycle, in which these are sequentially administered...
May 2018: Fertility and Sterility
https://www.readbyqxmd.com/read/29775846/reproductive-stage-and-sex-steroid-hormone-levels-influence-the-expression-of-mesenchymal-stromal-cell-msc-markers-in-the-equine-endometrium
#3
B Elisabeth Rink, Juliane Kuhl, Cristina L Esteves, Hilari M French, Elaine Watson, Christine Aurich, F Xavier Donadeu
Mesenchymal stem or stromal cells (MSCs) play key roles in tissue homeostasis. In the cyclic equine endometrium, this may be regulated by changes in serum concentrations of sex steroid hormones. This study was designed to investigate the changes in endometrial expression of MSC markers during reproductive cycles in mares and the influence of sex steroid hormones on endometrial MSC proliferation in vitro. Endometrial biopsies were collected from pony mares at different reproductive stages (estrus; day 5 and 13 after ovulation; seasonal anestrus; 20 h and 7days post-partum; n = 5 per stage) and were analyzed by RT-qPCR...
May 4, 2018: Theriogenology
https://www.readbyqxmd.com/read/29775456/maternal-obesogenic-diet-induces-endometrial-hyperplasia-an-early-hallmark-of-endometrial-cancer-in-a-diethylstilbestrol-mouse-model
#4
Theresa O Owuor, Michaela Reid, Lauren Reschke, Ian Hagemann, Suellen Greco, Zeel Modi, Kelle H Moley
Thirty-eight percent of US adult women are obese, meaning that more children are now born of overweight and obese mothers, leading to an increase in predisposition to several adult onset diseases. To explore this phenomenon, we developed a maternal obesity animal model by feeding mice a diet composed of high fat/ high sugar (HF/HS) and assessed both maternal diet and offspring diet on the development of endometrial cancer (ECa). We show that maternal diet by itself did not lead to ECa initiation in wildtype offspring of the C57Bl/6J mouse strain...
2018: PloS One
https://www.readbyqxmd.com/read/29773228/changes-in-mucins-and-matrix-metalloproteases-in-the-endometrium-of-early-pregnant-alpacas-vicugna-pacos
#5
Daniela E Barraza, Renato Zampini, Silvana A Apichela, Joel I Pacheco, Martin E Argañaraz
South American Camelids (SAC) have unique reproductive features, one of which is that 98% of the pregnancies develop in the left uterine horn. Furthermore, early pregnancy is an uncharacterized process in these species, especially in regard to the ultrastructural, biochemical and genetic changes that the uterine epithelial surface undergoes to allow embryo implantation. The present study describes the uterine horn luminal surface and the characteristics of the mucinous glycocalyx in non-pregnant and early pregnant (15 days) female alpacas...
May 14, 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29772648/adhesion-in-physiological-benign-and-malignant-proliferative-states-of-the-endometrium-microenvironment-and-the-clinical-big-picture
#6
REVIEW
Emily J Rutherford, Arnold D K Hill, Ann M Hopkins
Although the developments in cellular and molecular biology over the last few decades have significantly advanced our understanding of the processes and players that regulate invasive disease, many areas of uncertainty remain. This review will discuss the contribution of dysregulated cell⁻cell and cell⁻matrix adhesion to the invasion in both benign and malignant contexts. Using the endometrium as an illustrative tissue that undergoes clinically significant invasion in both contexts, the adhesion considerations in the cells ("seed") and their microenvironment ("soil") will be discussed...
May 16, 2018: Cells
https://www.readbyqxmd.com/read/29772408/hysteroscopic-myomectomy-of-a-large-submucosal-leiomyoma-with-novel-use-of-fluid-warming
#7
Tess Chase, Stephanie J Estes
Uterine fibroid size is often considered a limiting factor for considering the surgical approach to myomectomy. In this case, a 35-year-old woman presented with heavy menstrual bleeding and desire for fertility. An ultrasound three months prior could not assess the endometrium and suggested leiomyoma. Magnetic resonance imaging of the pelvis identified a fundal submucosal myoma measuring 6.8 × 7.1 × 3.5 cm. A planned staged hysteroscopic resection of the large submucosal fibroid with intramural component was achieved...
May 14, 2018: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29768247/oocyte-triggering-day-progesterone-levels-and-endometrial-appearance-in-normoresponders-undergoing-ivf-icsi-cycles-a-hypothesis-and-a-study-protocol
#8
Charalampos Siristatidis, Panagiotis Drakopoulos, Paraskevi Vogiatzi, Vasilios Karageorgiou, George Daskalakis
In this report, we propose a study protocol capable of improving IVF outcomes in subfertile women with expected normal ovarian response. This proposal derives from conflicting published data and observations in our daily practice, concerning the negative impact of progesterone (P4) elevation at the day of oocyte triggering on pregnancy outcomes. Our hypothesis points to the combination of two previous "suspects" of reduced success after assisted reproduction techniques (ART) - the endometrium ultrasonographic parameters and P4 elevation at the day of oocyte triggering on their impact on pregnancy outcomes...
May 16, 2018: Hormone Molecular Biology and Clinical Investigation
https://www.readbyqxmd.com/read/29768178/trained-memory-of-human-uterine-nk-cells-enhances-their-function-in-subsequent-pregnancies
#9
Moriya Gamliel, Debra Goldman-Wohl, Batya Isaacson, Chamutal Gur, Natan Stein, Rachel Yamin, Michael Berger, Myriam Grunewald, Eli Keshet, Yoach Rais, Chamutal Bornstein, Eyal David, Adam Jelinski, Iris Eisenberg, Caryn Greenfield, Arbel Ben-David, Tal Imbar, Ronit Gilad, Ronit Haimov-Kochman, David Mankuta, Matan Elami-Suzin, Ido Amit, Jacob H Hanna, Simcha Yagel, Ofer Mandelboim
Natural killer cells (NKs) are abundant in the human decidua, regulating trophoblast invasion and angiogenesis. Several diseases of poor placental development are associated with first pregnancies, so we thus looked to characterize differences in decidual NKs (dNKs) in first versus repeated pregnancies. We discovered a population found in repeated pregnancies, which has a unique transcriptome and epigenetic signature, and is characterized by high expression of the receptors NKG2C and LILRB1. We named these cells Pregnancy Trained decidual NK cells (PTdNKs)...
May 15, 2018: Immunity
https://www.readbyqxmd.com/read/29763784/alterations-in-the-distribution-of-actin-and-its-binding-proteins-in-the-porcine-endometrium-during-early-pregnancy-possible-role-in-epithelial-remodeling-and-embryo-adhesion
#10
Beenu Moza Jalali, Pawel Likszo, Aneta Andronowska, Dariusz J Skarzynski
During early pregnancy, uterine epithelial cells undergo major transformations in their cytoskeleton that make the endometrium receptive for conceptus attachment. Actin binding proteins (ABPs) such as cofilin, gelsolin, and vinculin are involved in regulating actin polymerization, severing or crosslinking actin to integrins. However, whether ABPs are involved in epithelial remodeling or embryo adhesion in pigs is unknown. Therefore, the expression and distribution of these proteins were investigated in porcine endometrium on Days 10 and 13 (pre-implantation period), and 16 (attachment phase) of the estrous cycle or pregnancy...
May 8, 2018: Theriogenology
https://www.readbyqxmd.com/read/29762856/vitamin-d-a-steroid-hormone-with-progesterone-like-activity
#11
G Monastra, S De Grazia, L De Luca, S Vittorio, V Unfer
OBJECTIVE: This review is aimed at demonstrating the progesterone-like activity exerted by the active form of vitamin D, or calcitriol (1,25(OH)2D). To achieve this outcome, we compared the effects in vivo and in vitro exerted by progesterone and vitamin D, with a special focus on the female reproductive system and pregnancy. MATERIALS AND METHODS: This is a literature review of the most important articles published in English on vitamin D as a hormone, mainly found by MEDLINE...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29762822/linc-ror-promotes-endometrial-cell-proliferation-by-activating-the-pi3k-akt-pathway
#12
X-Y Xu, J Zhang, Y-H Qi, M Kong, S-A Liu, J-J Hu
OBJECTIVE: To observe the expressions of Linc-ROR and proteins in the PI3K-Akt pathway in an ectopic lesion of adenomyosis. PATIENTS AND METHODS: The expression of Linc-ROR in the ectopic endometrium, eutopic endometrium, and normal endometrium of adenomyosis was detected by qRT-PCR. Western blot was used to detect the protein expressions of PI3K-Akt in endometriosis and lesion endometriosis. Cell counting kit-8 (CCK-8) assay was utilized to detect cell proliferative activity...
April 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29762665/mir-194-3p-represses-the-progesterone-receptor-and-decidualization-in-eutopic-endometrium-from-women-with-endometriosis
#13
Tianjiao Pei, Chang Liu, Tingting Liu, Li Xiao, Bin Luo, Jing Tan, Xueying Li, Guojun Zhou, Changling Duan, Wei Huang
Progesterone resistance in the eutopic endometrium (EuE) is suggested to be a critical factor for decreased endometrial receptivity and implantation failure in reproductive-aged women with endometriosis. Altered expression of miRNAs has been reported to play an important role in the pathophysiology of endometriosis-associated infertility. However, the underlying mechanisms of aberrant progesterone receptor (PR) and deficient decidualization regulated by miRNAs in endometriosis have not been thoroughly elucidated...
May 11, 2018: Endocrinology
https://www.readbyqxmd.com/read/29757275/isolation-of-primary-human-decidual-cells-from-the-fetal-membranes-of-term-placentae
#14
Tali Farine, Michael Parsons, Stephen Lye, Oksana Shynlova
The decidua, also known as the pregnant endometrium, is a critically important reproductive tissue. Decidual cells, comprised mainly of decidualized stromal cells and immune cells, are responsible for the secretion of hormonal and inflammatory factors which are critical for successful blastocyst implantation, placental development and play a role in the initiation of labor at term and preterm. Many pregnancy complications can arise from perturbations of a fine balance of different cell populations comprising decidua...
April 30, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29755593/effect-of-stem-cell-transplantation-of-premature-ovarian-failure-in-animal-models-and-patients-a-meta-analysis-and-case-report
#15
Lei Chen, Shilei Guo, Cui Wei, Honglan Li, Haiya Wang, Yan Xu
Stem cell transplantation has been considered a promising therapeutic approach for premature ovarian failure (POF). However, to date, no quantitative data analysis of stem cell therapy for POF has been performed. Therefore, the present study performed a meta-analysis to assess the efficacy of stem cell transplantation in improving ovarian function in animal models of POF. In addition, a case report of a patient with POF subjected to stem cell treatment was included to demonstrate that stem cell therapy also contributes to the recovery of ovarian function in patients...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29754696/follicle-stimulating-hormone-receptor-protein-is-expressed-in-ovine-uterus-during-the-estrous-cycle-and-utero-placenta-during-early-pregnancy-an-immunohistochemical-study
#16
Anna T Grazul-Bilska, Arshi Reyaz, Veselina Valkov, Sheri T Dorsam, Dale A Redmer
Follicle stimulating hormone (FSH) is a well characterized gonadotropin that controls primarily development and functions of ovarian follicles in mammalian species. FSH binds to a specific G protein-coupled receptor (FSHR) belonging to the glycoprotein hormone receptor family that plays an essential role in reproduction. Although the primary location of FSHR is in the gonads (mainly in ovarian follicles), FSHR protein and/or mRNA have also been detected in extragonadal female reproductive tissues including embryo, placenta, endometrium, cervix, ovarian cancer tissues, and/or endometriotic lesions in several species...
May 11, 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29752117/antifertility-effectiveness-of-a-novel-copper-containing-intrauterine-device-material-and-its-influence-on-the-endometrial-environment-in-rats
#17
Shifu Hu, Yingying Wang, Dandan Ke, Fang Zhou, Guiping Cheng, Wei Xia, Changhong Zhu
This study was designed to investigate the antifertility effectiveness of a novel copper-containing intrauterine device material containing a composite of micro-copper (Cu), low-density polyethylene (LDPE), and methyl vinyl silicone rubber (MVQ) and its effects on the endometrial environment in rats. The contraceptive effectiveness was examined 12 days after pregnancy. The pathological changes; factors associated with bleeding, pain, and inflammation in the endometrium; and the surface condition of the implants were investigated after insertion for 90 days...
August 1, 2018: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/29750707/secondary-tumors-of-the-gynecologic-tract-a-clinicopathologic-analysis
#18
Georgia Karpathiou, Celine Chauleur, Sirine Hathroubi, Michel Peoc'h
Although the spread of extragenital tumors to individual female genital tract organs, particularly the ovary, has been much studied, histologic data with regard to secondary tumors involving the whole gynecologic tract are largely lacking. Thus, the aim of the study was to investigate the pathologic and clinical features of these tumors in order to better understand their features. This is a retrospective study of 196 secondary lesions involving the gynecologic tract. The parameters studied were the primary site, its histologic type and grade, the presence of mucous production, the type of secondary involvement, defined as distant metastasis, direct extension or locoregional recurrence, and the time to metastasis...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750705/thickened-endometrium-in-postmenopausal-women-with-an-initial-biopsy-of-limited-benign-surface-endometrium-clinical-outcome-and-subsequent-pathologic-diagnosis
#19
Josephine K T Dermawan, Christine Hur, Maria G Uberti, Rebecca Flyckt, Tommaso Falcone, Jennifer Brainard, Fadi W Abdul-Karim
Endometrial biopsy or curetting is indicated for postmenopausal women with abnormal uterine bleeding and/or thickened endometrium. Often, endometrial biopsy or curetting yields limited benign surface endometrium, which may indicate insufficient sampling. This study addresses the clinical outcome and subsequent pathologic diagnoses in postmenopausal women who received this initial diagnosis. Among a total of 370 endometrial biopsy or curetting between 2012 and 2015, 192 (52%) were diagnosed as limited benign surface endometrial epithelium...
May 10, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29750540/read-out-segmented-echo-planar-diffusion-imaging-of-the-female-pelvis-utility-in-endometrial-carcinoma-a-preliminary-experience
#20
Adarsh Ghosh, Tulika Singh, Veenu Singla, Rashmi Bagga, Radhika Srinivasan, Niranjan Khandelwal
OBJECTIVE: Susceptibility artefacts from bones and bowel, geometric distortion make diffusion imaging of the pelvis difficult. We discuss the difficulties of single-shot-echoplanar[ss-ep ]DWI and evaluate a new diffusion-weighted imaging technique - readout segmented echo planar[ rs-ep]DWI in endometrial carcinoma and discuss the imaging physics. METHODS: IRB approval was obtained and five consecutive patients underwent both rs-ep and ss-ep-DWI of the female pelvis and two radiologists compared the images...
May 11, 2018: British Journal of Radiology
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