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https://www.readbyqxmd.com/read/28723418/beta3-adrenergic-receptor-stimulation-in-human-macrophages-inhibits-nadphoxidase-activity-and-induces-catalase-expresssion-via-ppar%C3%AE-activation
#1
Tarik Hadi, Romain Douhard, Alexandre M M Dias, Maeva Wendremaire, Maria Pezzè, Marc Bardou, Paul Sagot, Carmen Garrido, Frédéric Lirussi
The beta3 adrenergic receptor (β3-AR) stimulation plays a protective role against preterm labor by blocking myometrial contraction, cytokine production, remodeling and apoptosis. We previously demonstrated that macrophage-induced ROS production in the myometrium was a key element leading to the induction of all these labor-associated features. We thus aimed to investigate if the β3-AR could be expressed in human macrophages and could trigger its protective role in the myometrium by directly inhibiting ROS production...
July 16, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28720399/prenatal-and-postnatal-administration-of-prebiotics-and-probiotics
#2
REVIEW
Kristin Sohn, Mark A Underwood
Colonization of the neonatal gut by beneficial bacteria is important for the establishment and maintenance of the mucosal barrier, thus protecting the neonate from enteric pathogens and local and systemic inflammation. The neonatal microbiome is influenced by infant diet, environment, and the maternal microbiome. Dysbiosis in pregnancy increases the risk of pre-eclampsia, diabetes, infection, preterm labor, and later childhood atopy. Dysbiosis of the neonatal gut plays an important role in colic in the term infant, in the disease processes which plague preterm infants, including necrotizing enterocolitis and sepsis, and in the long-term outcomes of neonates...
July 15, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28713594/small-molecule-big-prospects-microrna-in-pregnancy-and-its-complications
#3
REVIEW
Meng Cai, Gopi K Kolluru, Asif Ahmed
MicroRNAs are small, noncoding RNA molecules that regulate target gene expression in the posttranscriptional level. Unlike siRNA, microRNAs are "fine-tuners" rather than "switches" in the regulation of gene expression; thus they play key roles in maintaining tissue homeostasis. The aberrant microRNA expression is implicated in the disease process. To date, numerous studies have demonstrated the regulatory roles of microRNAs in various pathophysiological conditions. In contrast, the study of microRNA in pregnancy and its associated complications, such as preeclampsia (PE), fetal growth restriction (FGR), and preterm labor, is a young field...
2017: Journal of Pregnancy
https://www.readbyqxmd.com/read/28707771/effect-of-vaginal-progesterone-in-tocolytic-therapy-during-preterm-labor-in-twin-pregnancies-secondary-analysis-of-a-placebo-controlled-randomized-trial
#4
Wagner R Hernandez, Rossana P V Francisco, Roberto E Bittar, Ursula T Gomez, Marcelo Zugaib, Maria L Brizot
AIM: Our aim was to investigate the effect of the prophylactic use of vaginal progesterone on the latency period from the initiation of tocolytic therapy to delivery in twin pregnancies with preterm labor. METHODS: This study was a secondary analysis of a randomized, double-blind, placebo-controlled trial of twin pregnancies in mothers who were exposed to a 200 mg vaginal progesterone ovule or a placebo ovule daily from 18 to 34 weeks gestation. Patients who were administered tocolysis with Atosiban because of preterm labor were included...
July 14, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28706457/relaxant-and-anti-inflammatory-effect-of-two-thalidomide-analogs-as-pde-4-inhibitors-in-pregnant-rat-uterus
#5
Víctor Manuel Muñoz-Pérez, Eduardo Fernández-Martínez, Héctor Ponce-Monter, Mario I Ortiz
The aim of this study was to evaluate the relaxant and anti-inflammatory effects of two thalidomide analogs as phosphodiesterase-4 (PDE-4) inhibitors in pregnant rat uterus. Uteri from Wistar female rats were isolated at 19 day of pregnancy. Uterine samples were used in functional studies to evaluate the inhibitory effects of the thalidomide analogs, methyl 3-(4-nitrophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4NO2PDPMe) and methyl 3-(4-aminophthalimido)-3-(3,4-dimethoxyphenyl)-propanoate (4APDPMe), on prostaglandin-F2α (PGF2α)-induced phasic, K(+)-induced tonic, and Ca(2+)-induced contractions...
July 2017: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/28706170/-multiple-factors-in-the-second-trimester-of-pregnancy-on-preterm-labor-symptoms-and-preterm-birth
#6
Jeung Im Kim, Mi Ock Cho, Gyu Yeon Choi
PURPOSE: The aim of this study was to determine the influence of various factors on preterm labor symptoms (PLS) and preterm birth (PB). METHODS: This prospective cohort study included 193 women in the second stage of pregnancy. Multiple characteristics including body mass index (BMI), smoking, and pregnancy complications were collected through a self-report questionnaire. Pregnancy stress and PLS were each measured with a related scale. Cervical length and birth outcome were evaluated from medical charts...
June 2017: Journal of Korean Academy of Nursing
https://www.readbyqxmd.com/read/28704849/prevention-of-preterm-labor-with-17%C3%AE-hydroxyprogesterone-17ohp-caproate-a-comparison-of-adverse-drug-reaction-rates-between-compounded-and-commercial-formulations
#7
Rebecca H Stone, Christina Bobowski, Nataliya Milikhiker, Rebekah H Anguiano, Dimitrios Mastrogiannis
No abstract text is available yet for this article.
July 13, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28699378/reasons-for-cesarean-and-medically-indicated-deliveries-in-pregnancies-in-women-with-systemic-lupus-erythematosus
#8
A M Eudy, M Jayasundara, T Haroun, L Neil, A H James, M E B Clowse
Objective To determine reasons for cesarean and medically indicated deliveries in a registry of pregnant women with SLE compared to RA. Methods Pregnant women with SLE or RA were prospectively followed, and pregnancy outcomes were collected, including whether labor was spontaneous or medically indicated and delivery was vaginal or cesarean. Preterm birth was defined as a birth <37 weeks gestation. Differences in reasons for cesarean delivery and indication of delivery between term and preterm births were determined by Fisher's exact test...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28699189/human-papillomavirus-infects-placental-trophoblast-and-hofbauer-cells-but-appears-not-to-play-a-causal-role-in-miscarriage-and-preterm-labor
#9
Lea Maria Margareta Ambühl, Anne Katrine Leonhard, Carina Widen Zakhary, Annemette Jørgensen, Jan Blaakaer, Karen Dybkaer, Ulrik Baandrup, Niels Uldbjerg, Suzette Sørensen
INTRODUCTION: Recently, an association between human papillomavirus (HPV) infection and both spontaneous abortion and spontaneous preterm delivery was suggested. However, the reported HPV prevalence in pregnant women varies considerably and reliable conclusions are difficult. We aimed to investigate HPV infection in placental tissue of a Danish study cohort. Furthermore, we studied the cellular localization of HPV. MATERIAL AND METHODS: In this prospective case-control study, placental tissue was analyzed for HPV infection by nested PCR in the following four study groups: full-term delivery (n=103), spontaneous preterm delivery (n=69), elective abortion (n=54), and spontaneous abortion (n=44)...
July 12, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28689331/pathophysiology-and-current-clinical-management-of-preeclampsia
#10
REVIEW
Lorena M Amaral, Kedra Wallace, Michelle Owens, Babbette LaMarca
Preeclampsia is characterized by blood pressure greater than 140/90 mmHg in the second half of pregnancy. This disease is a major contributor to preterm and low birth weight babies. The early delivery of the baby, which becomes necessary for maintaining maternal well-being, makes preeclampsia the leading cause for preterm labor and infant mortality and morbidity. Currently, there is no cure for this pregnancy disorder. The current clinical management of PE is hydralazine with labetalol and magnesium sulfate to slow disease progression and prevent maternal seizure, and hopefully prolong the pregnancy...
August 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28683889/pregnancy-outcomes-in-female-physicians-in-procedural-versus-non-procedural-specialties
#11
Rebecca E Scully, Amy R Stagg, Nelya Melnitchouk, Jennifer S Davids
BACKGROUND: Procedural based medical specialties require a longer training period and more intensive physical demands. The impact of working in procedural versus nonprocedural fields on pregnancy outcomes is not well understood. METHODS: Data from 1559 US attending female physician mothers was gathered via an anonymous, IRB-approved online survey. RESULTS: Of the cohort, 400 (25.7%) reported practicing in a procedural field. Women in procedural fields were slightly older at the time of their most recent pregnancy...
June 24, 2017: American Journal of Surgery
https://www.readbyqxmd.com/read/28680707/intrahepatic-cholestasis-of-pregnancy-leading-to-severe-vitamin-k-deficiency-and-coagulopathy
#12
Maria Maldonado, Ali Alhousseini, Michael Awadalla, Jay Idler, Robert Welch, Karoline Puder, Manasi Patwardhan, Bernard Gonik
Intrahepatic cholestasis of pregnancy is seldom associated with significant vitamin K deficiency. We report a case of a 16-year-old primigravid patient at 24 weeks and 3 days of gestation who presented with pruritus, hematuria, and preterm labor. Laboratory work-up showed severe coagulopathy with Prothrombin Time (PT) of 117.8 seconds, International Normalized Ratio (INR) of 10.34, and elevated transaminases suggestive of intrahepatic cholestasis of pregnancy. Her serum vitamin K level was undetectable (<0...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28674684/effect-of-fetal-sex-on-maternal-and-obstetric-outcomes
#13
REVIEW
Mohammed Al-Qaraghouli, Yu Ming Victor Fang
Fetal sex plays an important role in modifying the course and complications related to pregnancy and may also have an impact on maternal health and well-being both during and after pregnancy. The goal of this article is to review and summarize the findings from published research on physiologic and pathologic changes that may be affected by fetal sex and the effect of these changes on the maternal and obstetrical outcomes. This will help create awareness that fetal sex is not just a random chance event but an interactive process between the mother, the placenta, and the fetus...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28670545/gestational-weight-gain-and-pregnancy-outcomes-in-relation-to-body-mass-index-in-asian-indian-women
#14
Balaji Bhavadharini, Ranjit Mohan Anjana, Mohan Deepa, Gopal Jayashree, Subramanyam Nrutya, Mahadevan Shobana, Belma Malanda, Arivudainambi Kayal, Anne Belton, Kurian Joseph, Kurian Rekha, Ram Uma, Viswanathan Mohan
AIM: The aim of the study was to compare the weight gain during pregnancy (using Institute of Medicine guidelines) among Asian Indians across different body mass index (BMI) categories (using World Health Organization Asia Pacific BMI cut points) and to compare the pregnancy outcomes in each of the different BMI categories. METHODOLOGY: Retrospective records of 2728 pregnant women attending antenatal clinics and private maternity centers in Chennai, South India, from January 2011 to January 2014 were studied...
July 2017: Indian Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28649463/outcomes-of-admissions-for-preterm-labor
#15
Michael W Kuzniewicz, Libby Black, Eileen M Walsh, Sherian X Li, Mara Greenberg
Objective  This study aims to quantitate the incidence of preterm labor (PTL) admissions and determine the frequency and predictors of preterm delivery (PTD) during these admissions. Study Design  Retrospective cohort of singleton pregnancies within Kaiser Permanente Northern California, 2001 to 2011. PTL admissions were defined as inpatient encounters > 24 hours with an International Classification of Diseases, 9th Revision code for PTL. Results  Total study population was 365,897 with PTL admission rate 11%...
April 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28641304/hyperemesis-gravidarum-a-review-of-recent-literature
#16
Viktoriya London, Stephanie Grube, David M Sherer, Ovadia Abulafia
BACKGROUND: In the United States, hyperemesis gravidarum is the most common cause of hospitalization during the first half of pregnancy and is second only to preterm labor for hospitalizations in pregnancy overall. In approximately 0.3-3% of pregnancies, hyperemesis gravidarum is prevalent and this percentage varies on account of different diagnostic criteria and ethnic variation in study populations. Despite extensive research in this field, the mechanism of the disease is largely unknown...
June 23, 2017: Pharmacology
https://www.readbyqxmd.com/read/28633616/sclerosing-stromal-tumor-mimicking-a-pregnancy-luteoma-case-report-of-a-diagnostically-challenging-entity-further-complicated-by-the-presence-of-metastatic-signet-ring-cell-carcinoma-from-the-stomach
#17
Meral Uner, Alp Usubutun
Sclerosing stromal tumors of the ovary are very rare. We report the case of a 29-year-old pregnant woman who presented with a history of preterm labor and gestational hypertension. A huge mass measuring 30 cm in greatest dimension was recognized on the right ovary during cesarean section. Signet ring cell infiltration was seen during intraoperative frozen section consultation. She underwent a right salpingo-oophorectomy, and the permanent diagnosis was sclerosing stromal tumor infiltrated by signet ring cells...
June 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28629237/improved-pregnancy-outcome-following-earlier-splenectomy-in-women-with-immune-thrombocytopenia-a-5-year-observational-study
#18
Mohamed Rezk, Alaa Masood, Ragab Dawood, Mahmoud Emara, Hanan El-Sayed
OBJECTIVE: to assess prospectively the maternal and fetal outcome in women with immune thrombocytopenic purpura (ITP) who undergone earlier splenectomy compared to women on medical therapy. METHODS: a 5-year observational study included pregnant women in the first trimester previously diagnosed with primary ITP with 74 patients underwent splenectomy before pregnancy and 86 patients on medical therapy. Patients were followed throughout pregnancy and labor to record their obstetric outcome...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28626423/ubiquitin-proteasome-collagen-cup-pathway-in-preterm-premature-rupture-of-fetal-membranes
#19
Xinliang Zhao, Xiaoyan Dong, Xiucui Luo, Jing Pan, Weina Ju, Meijiao Zhang, Peirong Wang, Mei Zhong, Yanhong Yu, W Ted Brown, Nanbert Zhong
Spontaneous preterm birth (sPTB) occurs before 37 gestational weeks, with preterm premature rupture of the membranes (PPROM) and spontaneous preterm labor (sPTL) as the predominant adverse outcomes. Previously, we identified altered expression of long non-coding RNAs (lncRNAs) and message RNAs (mRNAs) related to the ubiquitin proteasome system (UPS) in human placentas following pregnancy loss and PTB. We therefore hypothesized that similar mechanisms might underlie PPROM. In the current study, nine pairs of ubiquitin-proteasome-collagen (CUP) pathway-related mRNAs and associated lncRNAs were found to be differentially expressed in PPROM and sPTL...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28625302/pharmacogenetics-in-obstetric-anesthesia
#20
REVIEW
Ruth Landau, Richard Smiley
The 21st century has been billed as the era of "precision/personalized medicine." Genetic investigation of clinical syndromes may guide therapy as well as reveal previously unknown biological or pharmacological pathways that may result in novel drug therapies. Several clinical issues in obstetrics and obstetric anesthesiology have been targets for genetic investigations. These include evaluation of the genetic effects on preterm labor and the progression of labor, spinal anesthesia-induced hypotension and the response to medications used to treat hypotension, and the effect of gene variants on pain and analgesic responses...
March 2017: Best Practice & Research. Clinical Anaesthesiology
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