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Reproductive Sciences

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https://www.readbyqxmd.com/read/29909770/the-signaling-pathways-guiding-pcos
#1
Maria Rosa Maduro
No abstract text is available yet for this article.
July 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29759059/developmental-programming-and-polycystic-ovarian-syndrome
#2
Maria Rosa Maduro
No abstract text is available yet for this article.
June 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29303056/is-shifting-to-a-progestin-worthwhile-when-estrogen-progestins-are-inefficacious-for-endometriosis-associated-pain
#3
Paolo Vercellini, Federica Ottolini, Maria Pina Frattaruolo, Laura Buggio, Anna Roberto, Edgardo Somigliana
The purpose of this study was to assess the proportion of patients satisfied with their treatment after a change from a low-dose oral contraceptive (OC) to norethisterone acetate (NETA) because of inefficacy of OC on pain symptoms. To this end, prospective, self-controlled study was conducted on 153 women using OC as a treatment for endometriosis and with persistence of one or more moderate or severe pain symptoms. At baseline and during 12 months after a shift from OC to oral NETA, 2.5 mg/d, pelvic pain was measured by means of a 0- to 10-point numerical rating scale and a multidimensional categorical rating scale...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29153057/sex-dependent-influence-of-developmental-toxicant-exposure-on-group-b-streptococcus-mediated-preterm-birth-in-a-murine-model
#4
Tianbing Ding, Lauren A Lambert, David M Aronoff, Kevin G Osteen, Kaylon L Bruner-Tran
Infectious agents are a significant risk factor for preterm birth (PTB); however, the simple presence of bacteria is not sufficient to induce PTB in most women. Human and animal data suggest that environmental toxicant exposures may act in concert with other risk factors to promote PTB. Supporting this "second hit" hypothesis, we previously demonstrated exposure of fetal mice (F1 animals) to the environmental endocrine disruptor 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) leads to an increased risk of spontaneous and infection-mediated PTB in adult animals...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29017417/aberrant-expression-of-lncrna-hoxa11-as1-and-homeobox-a-hoxa9-hoxa10-hoxa11-and-hoxa13-genes-in-infertile-women-with-endometriosis
#5
Meimei Wang, Cuifang Hao, Xin Huang, Hongchu Bao, Qinglan Qu, Zhenteng Liu, Huangguan Dai, Shunzhi He, Wei Yan
This study aimed to study the expression of homeobox (HOX)A11-AS1 ( HOXA11 antisense RNA) long noncoding RNA (lncRNA) and the expression of homeobox A ( HOXA9, HOXA10, HOXA11, and HOXA13) genes in the eutopic (EU) and ectopic (EC) endometria of women with peritoneal endometriosis. A total of 30 women undergoing laparoscopic surgery for peritoneal endometriosis and 15 infertile women without endometriosis were enrolled in this study. Peritoneal EC tissue samples were obtained through surgery. The EU tissues were obtained by curettage...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28884630/fetal-and-placental-dna-stimulation-of-tlr9-a-mechanism-possibly-contributing-to-the-pro-inflammatory-events-during-parturition
#6
Ilona Telefus Goldfarb, Sharareh Adeli, Tucker Berk, Mark Phillippe
INTRODUCTION: While there is evidence for a relationship between cell-free fetal DNA (cffDNA) and parturition, questions remain regarding whether cffDNA could trigger a pro-inflammatory response on the pathway to parturition. We hypothesized that placental and/or fetal DNA stimulates toll-like receptor 9 (TLR9) leading to secretion of pro-inflammatory cytokines by macrophage cells. METHODS: Four in vitro DNA stimulation studies were performed using RAW 264.7 mouse peritoneal macrophage cells incubated in media containing the following DNA particles: an oligodeoxynucleotide (ODN2395), intact genomic DNA (from mouse placentas, fetuses and adult liver), mouse DNA complexed with DOTAP (a cationic liposome forming compound), and telomere-depleted mouse DNA...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28874103/neuroendocrine-regulation-of-food-intake-in-polycystic-ovary-syndrome
#7
Romualdi Daniela, Immediata Valentina, De Cicco Simona, Tagliaferri Valeria, Lanzone Antonio
Several peripheral and central signals are involved in the sophisticated regulation of food intake. Women with polycystic ovary syndrome (PCOS) are prone to consume a diet higher in saturated fat and foods with high glycemic index and show impaired appetite regulation and measures of satiety. As a consequence, obesity, mostly of the central type, is prevalent in the syndrome and worsens the endocrine and metabolic profile of the affected patients. This review article briefly analyzes the current knowledge about the neuroendocrine mechanisms underlying the interplay between feeding behavior, obesity, and reproductive abnormalities in PCOS...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28854867/an-embryonic-and-induced-pluripotent-stem-cell-model-for-ovarian-granulosa-cell-development-and-steroidogenesis
#8
Shane Lipskind, Jennifer S Lindsey, Behzad Gerami-Naini, Jennifer L Eaton, Daniel O'Connell, Adam Kiezun, Joshua W K Ho, Nicholas Ng, Parveen Parasar, Michelle Ng, Michael Nickerson, Utkan Demirci, Richard Maas, Raymond M Anchan
Embryoid bodies (EBs) can serve as a system for evaluating pluripotency, cellular differentiation, and tissue morphogenesis. In this study, we use EBs derived from mouse embryonic stem cells (mESCs) and human amniocyte-derived induced pluripotent stem cells (hAdiPSCs) as a model for ovarian granulosa cell (GC) development and steroidogenic cell commitment. We demonstrated that spontaneously differentiated murine EBs (mEBs) and human EBs (hEBs) displayed ovarian GC markers, such as aromatase (CYP19A1), FOXL2, AMHR2, FSHR, and GJA1...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28854866/histopathological-alterations-in-fetal-membranes-of-women-with-endometriosis
#9
Louis Marcellin, Céline Méhats, Jean Gogusev
Previously, we reported endometriotic-like decidual lesions in contact with the fetal membranes (FMs) in 11 pregnant women with severe endometriosis. In this report, an extensive histomorphological analysis was performed on the FMs of 19 pregnant women with deep infiltrating endometriosis (DIE) at term pregnancy and who delivered by cesarean delivery before labor. On gross examination, all samples showed increased thickness, de novo microvessel formation, and small-size excrescences distributed along the membrane circumference...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28847221/classification-of-uterine-anomalies-by-3-dimensional-ultrasonography-using-eshre-esge-criteria-interobserver-variability
#10
C Bermejo, P Martínez-Ten, L Ruíz-López, M Estévez, M M Gil
OBJECTIVE: To evaluate the interobserver repeatability of the coronal view measurements and classification of the uterine malformations (UM) according to the ESHRE/ESGE consensus by transvaginal three-dimensional ultrasound (3D-US). METHODS: 89 transvaginal 3D-US volumes acquired during the last two years at Delta Ecografía in Madrid, Spain, were selected from our archive by convenience sampling. Two expert operators blinded from each other, performed post-hoc analysis using render mode and multiplanar-Volume Contrast Imaging (VCI) navigation...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28845753/follistatin-rescues-blastocyst-development-of-poor-quality-porcine-cumulus-oocyte-complexes-by-delaying-meiotic-resumption-with-decreased-cgmp
#11
Bo Myeong Lee, Ju Lan Chun, Ji Hye Lee, Eun Young Kim, Kang-Sun Park, Jin-Hee Lee, Bradford W Daigneault, George W Smith, Keun Jung Kim, Kyu-Tae Chang, Sang-Rae Lee, Sun-Uk Kim, Seon-A Choi, Kyung-Bon Lee, Min Kyu Kim
Mammalian oocytes resume maturation when removed from follicles and cultured in vitro. During folliculogenesis, oocytes are bathed in follicular fluid (FF), which provides an important and specialized microenvironment for oocyte competence. Follistatin (FST) is one component of FF that may play a role in oocyte maturation and embryo development. This study was conducted to examine possible effects of FST on porcine oocyte competence and embryo development. Exogenous FST in oocyte maturation medium for 22 or 44 hours did not improve nuclear maturation and had no effect on good quality cumulus-oocyte complexes (COCs)...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826369/literature-review-on-the-role-of-uterine-fibroids-in-endometrial-function
#12
Deborah E Ikhena, Serdar E Bulun
Uterine fibroids are benign uterine smooth muscle tumors that are present in up to 8 out of 10 women by the age of 50. Many of these women experience symptoms such as heavy and irregular menstrual bleeding, early pregnancy loss, and infertility. Traditionally believed to be inert masses, fibroids are now known to influence endometrial function at the molecular level. We present a comprehensive review of published studies on the effect of uterine fibroids on endometrial function. Our goal was to explore the current knowledge about how uterine fibroids interact with the endometrium and how these interactions influence clinical symptoms...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826368/impact-of-galectin-1-on-trophoblast-stem-cell-differentiation-and-invasion-in-in-vitro-implantation-model
#13
Minyue Tang, Jiali You, Wei Wang, Yongchao Lu, Xiaoling Hu, Chunyan Wang, Aixia Liu, Yimin Zhu
Trophoblast stem cells (TSCs) differentiate in an orderly manner, which plays an important role in the process of embryo implantation, placentation, and early pregnancy maintenance. At the maternal-fetal interface, the dialogue is crucial between trophoblast cells and endometrial epithelial cells. Previous studies suggested that galectin-1 (Gal-1) may play an important role in placental development. In this study, we used Ishikawa (IK) cells-TSC coculture model to simulate the maternal-fetal interface and induce the differentiation of TSCs by differentiation media...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826367/effect-of-pregnancy-interval-on-second-pregnancy-blood-pressure-following-prior-preeclampsia
#14
Lindsay Howe, Erica Hammer, Gary Badger, Ira M Bernstein
OBJECTIVE: Preeclampsia generally occurs in first pregnancies and tends not to recur when the interpregnancy interval (IPI) is short. We hypothesized that, in women experiencing preeclampsia in their first pregnancy, the difference in mean arterial pressure (MAP) across pregnancy between their index and subsequent pregnancy would be inversely associated with the length of time between pregnancies and that the interval between pregnancies will be directly associated with the likelihood of preeclampsia recurrence...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826366/regeneration-of-the-fallopian-tube-mucosa-using-bone-marrow-mesenchymal-stem-cell-transplantation-after-induced-chemical-injury-in-a-rat-model
#15
Shaima M Almasry, Amr K Elfayomy, Mohamed H El-Sherbiny
In this study, we describe a novel insight about the use of bone marrow-derived mesenchymal stem cells (BM-MSCs) for fallopian tube (FT) regeneration. Seventy rats' tubes were involved in this study and divided into 4 groups: control (15), ethanol injured (20), mesenchymal stem cell (MSC)-recipient without injury (15), and MSC recipient after injury (20). The BM-MSCs were isolated from male rats, and their incorporation into the tissues was confirmed by the detection of Sry gene in MSC-recipient rats using RT-PCR...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826365/src-3-plays-a-critical-role-in-human-umbilical-vein-endothelial-cells-by-regulating-the-pi3k-akt-mtor-pathway-in-preeclampsia
#16
Yu Yuan, Nan Shan, Bin Tan, Qinyin Deng, Yangming Liu, Hanbin Wang, Xiaofang Luo, Chengjin He, Xin Luo, Hua Zhang, Philip N Baker, David M Olson, Hongbo Qi
Preeclampsia (PE) is currently thought to be characterized by oxidative stress which may lead to endothelial dysfunction. The normal function of vascular endothelium is essential to vascular homeostasis. Previous studies have shown that steroid receptor coactivator 3 (SRC-3) interacts with estrogen receptors (ERs) which are involved in the vasoprotective effects of estrogen and is also associated with cell migration, invasion, and inflammation; however, its role in PE remains unclear. The main purpose of this study is to identify the role of SRC-3 in the function of human umbilical vein endothelial cells (HUVECs) during the development of PE...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826362/mir-3074-5p-promotes-the-apoptosis-but-inhibits-the-invasiveness-of-human-extravillous-trophoblast-derived-htr8-svneo-cells-in-vitro
#17
Yan Gu, Yan Shi, Qian Yang, Wen-Wen Gu, Ya-Ping He, Hua-Jun Zheng, Xuan Zhang, Jian-Mei Wang, Jian Wang
OBJECTIVE: The objective of this study was to observe the effects of the overexpression of miR-3074-5p in human trophoblast cells in vitro. DESIGN: Experimental in vitro study in HTR8/SVneo cells. METHODS: HTR8/SVneo cells were transfected with miR-3074-5p mimic. The cell apoptosis and invasion were measured via flow cytometry and transwell assay, respectively. The expression levels of P53, Cyclin Dependent Kinase Inhibitor 1B (P27), BCL-2, BCL2 associated X (BAX), and BCL2 like 14 (BCL-G) in HTR8/SVneo cells were determined by Western blot...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/28826361/spermatozoa-expression-of-pir-31704-pir-39888-and-pir-40349-and-their-correlation-to-sperm-concentration-and-fertilization-rate-after-icsi
#18
Long Cui, Li Fang, Biwei Shi, Sunquan Qiu, Yinghui Ye
OBJECTIVE: To investigate the relationship between spermatozoa PIWI-interacting RNAs (piRNAs) levels and semen parameters and to evaluate the role of expression of piRNAs on fertilization and embryo development after intracytoplasmic sperm injection (ICSI) treatment. METHODS: One hundred and eighty-six patients with idiopathic male infertility who had undergone first ICSI cycles were enrolled in our study. The levels of piRNAs in spermatozoa were measured by real-time polymerase chain reaction...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/27879453/effects-of-supplementation-of-human-endometriotic-fluids-on-in-vitro-mouse-preantral-follicle-culture
#19
Seul Ki Kim, Byung Chul Jee, Seok Hyun Kim
This study aimed to investigate the potential detrimental effect of human endometriotic fluids (EFs) on in vitro growth of mouse preantral follicles. Preantral follicles (isolated from ovaries of 7- to 8-week-old mice) were cultured in growth medium for 10 days and then in maturation medium for 2 days. During in vitro culture, EF supernatants (0%, 2.5%, 5%, and 10%) were supplemented. Meiotic spindle integrity of metaphase II (MII) oocytes was analyzed. Hormone (17β-estradiol and anti-Müllerian hormone [AMH]) levels in the final spent media were measured by enzyme-linked immunosorbent assay...
May 2018: Reproductive Sciences
https://www.readbyqxmd.com/read/29554862/advanced-paternal-age-affects-sperm-count-and-anogenital-distance-in-mouse-offspring
#20
Pedro Caballero-Campo, Wingka Lin, Rhodel Simbulan, Xiaowei Liu, Sky Feuer, Annemarie Donjacour, Paolo F Rinaudo
In Western society, couples increasingly delay parenthood until later in life. Overall, studies have focused on the reproductive performance of older parents or the impact of advanced maternal age on pregnancy outcomes, but few studies have examined how advanced paternal age (APA) affects offspring health. The aim of this study was to investigate the impact of increasing paternal age on offspring reproductive performance and long-term metabolic health in a mouse model. Here, the same adult B6D2F1/J male mice were mated at 4, 12, and 18 months of age with 6- to 10-week-old naturally cycling CF1 females to generate 3 offspring cohorts conceived at increasing paternal ages PA4, PA12, and PA18...
April 2018: Reproductive Sciences
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