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https://www.readbyqxmd.com/read/28938427/calreticulin-is-involved-in-invasion-of-human-extravillous-trophoblasts-through-functional-regulation-of-integrin-%C3%AE-1
#1
Madoka Yamamoto, Midori Ikezaki, Saori Toujima, Naoyuki Iwahashi, Mika Mizoguchi, Sakiko Nanjo, Sawako Minami, Yoshito Ihara, Kazuhiko Ino
Calreticulin (CRT), a molecular chaperone in the endoplasmic reticulum (ER), plays a variety of roles in cell growth, differentiation, apoptosis, immunity, and cancer biology. It has been reported that CRT is expressed in the human placenta, although its function in placental development is poorly understood. Appropriate invasion of extravillous trophoblasts (EVTs) into the maternal decidua is necessary for successful pregnancy. The objective of the present study was to investigate the expression and functional role of CRT in EVTs by utilizing the human EVT cell line HTR8/SVneo, in which CRT gene expression was knocked down...
August 29, 2017: Endocrinology
https://www.readbyqxmd.com/read/28937573/committee-opinion-no-721-smoking-cessation-during-pregnancy
#2
(no author information available yet)
Smoking is the one of the most important modifiable causes of poor pregnancy outcomes in the United States, and is associated with maternal, fetal, and infant morbidity and mortality. The physical and psychologic addiction to cigarettes is powerful; however, the compassionate intervention of the obstetrician-gynecologist can be the critical element in prenatal smoking cessation. An office-based protocol that systematically identifies pregnant women who smoke and offers treatment or referral has been proved to increase quit rates...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28937568/committee-opinion-no-721-summary-smoking-cessation-during-pregnancy
#3
(no author information available yet)
Smoking is the one of the most important modifiable causes of poor pregnancy outcomes in the United States, and is associated with maternal, fetal, and infant morbidity and mortality. The physical and psychologic addiction to cigarettes is powerful; however, the compassionate intervention of the obstetrician-gynecologist can be the critical element in prenatal smoking cessation. An office-based protocol that systematically identifies pregnant women who smoke and offers treatment or referral has been proved to increase quit rates...
October 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28935056/epidemiology-and-effects-of-substance-use-in-pregnancy
#4
REVIEW
Jocelynn L Cook, Courtney R Green, Sandra de la Ronde, Colleen A Dell, Lisa Graves, Alice Ordean, James Ruiter, Megan Steeves, Suzanne Wong
Substance use during pregnancy has important implications for health care providers and policymakers and can negatively affect a woman's health and the health of her children. Understanding trends, patterns of use, and outcomes are critical to developing prevention campaigns, building awareness, and providing effective care. This review critically examines the current literature on substance use in pregnancy and during the postpartum period in terms of epidemiology, risk factors, and implications. The risk factors for substance use in pregnancy, the challenges associated with reporting these cases, and the adverse effects of common substances on maternal and fetal health are discussed...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28935055/screening-and-management-of-substance-use-in-pregnancy-a-review
#5
REVIEW
Jocelynn L Cook, Courtney R Green, Sandra de la Ronde, Colleen A Dell, Lisa Graves, Lisa Morgan, Alice Ordean, James Ruiter, Megan Steeves, Suzanne Wong
Substance use during pregnancy has important implications for health care providers, policy makers, and can negatively impact a woman's health and the health of her children. Understanding trends, patterns of use and outcomes are critical to prevention campaigns, building awareness, and providing effective care. This review will discuss the current therapeutic approaches and recommendations for screening and patient management for substance use in pregnancy and during the postpartum period, and it is geared towards any care providers who care for patients or those who may care for patients who may be at risk for substance use during pregnancy...
October 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28930553/fetal-nucleic-acids-in-maternal-plasma-from-biology-to-clinical-translation
#6
Neha Bunkar, Arpit Bhargava, Koel Chaudhury, Radhey Shyam Sharma, Nirmal Kumar Lohiya, Pradyumna Kumar Mishra
Exposure to environmental contaminants during the critical window of pregnancy results in deregulation of highly coordinated genetic and epigenetic mechanisms involved in prenatal growth. Such disturbances significantly alter the fetal programming, and lead to various developmental disorders immediately, over the lifetime, or transgenerationally. During the process of placental development, fetal nucleic acids enter maternal plasma as a result of necrotic, apoptotic, and inflammatory mechanisms. These nucleic acids reflect normal or abnormal ongoing cellular changes during prenatal fetal development...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28928750/the-role-of-maternal-hiv-envelope-specific-antibodies-and-mother-to-child-transmission-risk
#7
REVIEW
Ayooluwa O Douglas, David R Martinez, Sallie R Permar
Despite the wide availability of antiretroviral therapy (ART) prophylaxis during pregnancy, >150,000 infants become infected through mother-to-child transmission (MTCT) of HIV worldwide. It is likely that additional intervention strategies, such as a maternal HIV vaccine, will be required to eliminate pediatric HIV infections. A deeper understanding of the fine specificity and function of maternal HIV envelope (Env)-specific responses that provide partial protection against MTCT will be critical to inform the design of immunologic strategies to curb the pediatric HIV epidemic...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28927277/benchmark-dose-modeling-estimates-of-the-concentrations-of-inorganic-arsenic-that-induce-changes-to-the-neonatal-transcriptome-proteome-and-epigenome-in-a-pregnancy-cohort
#8
Julia Rager, Scott S Auerbach, Grace A Chappell, Elizabeth Martin, Chad Thompson, Rebecca C Fry
Prenatal inorganic arsenic (iAs) exposure influences the expression of critical genes and proteins associated with adverse outcomes in newborns, in part through epigenetic mediators. The doses at which these genomic and epigenomic changes occur have yet to be evaluated in the context of dose-response modeling. The goal of the present study was to estimate iAs doses that correspond to changes in transcriptomic, proteomic, epigenomic, and integrated multi-omic signatures in human cord blood through benchmark dose (BMD) modeling...
September 19, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28924318/pre-eclampsia-molecular-events-to-biomarkers
#9
REVIEW
Kavita Sahai, Seema Saraswathy, Tribhuvan Pal Yadav, Devendra Arora, Manu Krishnan
Pre-eclampsia is a hypertensive disorder in pregnancy, which accounts for 10-15% of the maternal and perinatal mortality worldwide. Abnormal placental development and tissue hypoxia are its main etiologic factors. The present diagnostic methods of blood pressure monitoring and renal function evaluation are insufficient in the early detection of pre-eclampsia. Since molecular events portent well ahead of the disease onset, biomarker research for the early diagnosis of pre-eclampsia has recently generated ambitious clinical targets...
April 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28923971/prolactin-action-in-the-medial-preoptic-area-is-necessary-for-postpartum-maternal-nursing-behavior
#10
Rosemary S E Brown, Mari Aoki, Sharon R Ladyman, Hollian R Phillipps, Amanda Wyatt, Ulrich Boehm, David R Grattan
Pregnancy hormones, such as prolactin, sensitize neural circuits controlling parental interactions to induce timely activation of maternal behaviors immediately after parturition. While the medial preoptic area (MPOA) is known to be critical for maternal behavior, the specific role of prolactin in this brain region has remained elusive. Here, we evaluated the role of prolactin action in the MPOA using complementary genetic strategies in mice. We characterized prolactin-responsive neurons within the MPOA at different hormonal stages and delineated their projections in the brain...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28923901/maternal-serum-b-cell-activating-factor-levels-candidate-early-biomarker-for-hypertensive-disorders-of-pregnancy
#11
Hindi E Stohl, Richard H Lee, Joseph Manetta, Kristine Kikly, Lisa M Korst, William Stohl
Hypertensive disorders of pregnancy are a leading cause of maternal and perinatal morbidity and mortality. Early suppression of B-cell lymphopoiesis is necessary for a normal pregnancy. Dysregulation of factors critical to B-cell survival may result in pregnancy complications, including hypertension. In this prospective observational study at a single medical center, serum levels of BAFF (B-cell activating factor) were measured in pregnant participants at each trimester, at delivery, and postpartum and in nonpregnant controls at a single time point...
September 18, 2017: Hypertension
https://www.readbyqxmd.com/read/28923706/specific-interferon-tau-gene-regulation-networks-in-bovine-endometrial-luminal-epithelial-cells
#12
Gan Zhao, Kangfeng Jiang, Tao Zhang, Haichong Wu, Changwei Qiu, Ganzhen Deng
Interferon tau (IFNT) plays a critical role as a pregnancy recognition factor in early pregnancy by regulating uterine epithelial gene expression. Illuminating the relation between IFNT and pregnancy will contribute significantly to early pregnancy research in ruminants. Therefore, in this study, we treated primary bovine endometrial luminal epithelial cells (bELECs) without or with IFNT (200 ng/mL) for 6 or12 h. Subsequently, RNA sequencing (RNA-seq) technology was used to evaluate differences in gene expression...
September 8, 2017: Theriogenology
https://www.readbyqxmd.com/read/28919596/outcome-of-pregnancy-related-acute-kidney-injury-observed-in-a-tertiary-care-hospital
#13
S U Ahammed, A A Chowdhury, A S Roy, M A Muqueet, M A Rahman, M S Kabir, M G Rabbani, M Asadujjaman, M B Hossain, M Akhtaruzzaman, S K Das, E H Khan, M A Islam, M J Hasan, M A Rahman, R K Talukder, J Ara, G C Barman, P P Roy, M K Saha, D Mondal
This prospective case control study was carried out in Mymensingh Medical College Hospital (MMCH) from April 2011 to March 2012. The main objective of the study was to determine the short term maternal outcome of pregnancy related Acute Kidney Injury and to identify aetiological factors and to observe clinical features of pregnancy related Acute Kidney Injury. Total 60 pregnant women with AKI were included in the study as sample and equal (60) number of pregnant women with normal renal function was taken as control...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28919264/prolactin-alters-the-mammary-epithelial-hierarchy-increasing-progenitors-and-facilitating-ovarian-steroid-action
#14
Kathleen A O'Leary, Michael P Shea, Stephanie Salituro, Courtney E Blohm, Linda A Schuler
Hormones drive mammary development and function and play critical roles in breast cancer. Epidemiologic studies link prolactin (PRL) to increased risk for aggressive cancers that express estrogen receptor α (ERα). However, in contrast to ovarian steroids, PRL actions on the mammary gland outside of pregnancy are poorly understood. We employed the transgenic NRL-PRL model to examine the effects of PRL alone and with defined estrogen/progesterone exposure on stem/progenitor activity and regulatory networks that drive epithelial differentiation...
September 7, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28916875/traumatic-injuries-to-the-pregnant-patient-a-critical-literature-review
#15
REVIEW
P Petrone, P Jiménez-Morillas, A Axelrad, C P Marini
INTRODUCTION: Trauma during pregnancy is the leading non-obstetrical cause of maternal death and a significant public health burden. This study reviews the most common causes of trauma during pregnancy, morbidity, and mortality, and the impact upon perinatal outcomes associated with trauma, providing a management approach to pregnant trauma patients. MATERIALS AND METHODS: A systematic review of the current literature from January 2006 to July 2016 was performed...
September 15, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28916188/mast-cell-chymase-decreases-the-severity-of-group-b-streptococcus-infections
#16
Claire Gendrin, Nicholas J Shubin, Erica Boldenow, Sean Merillat, Morgan Clauson, Danny Power, Kelly S Doran, Magnus Abrink, Gunnar Pejler, Lakshmi Rajagopal, Adrian M Piliponsky
BACKGROUND: Group B Streptococcus (GBS) or Streptococcus agalactiae are ß-hemolytic, Gram-positive bacteria that colonize the lower genital tract of women and are frequently associated with infections during pregnancy. Innate immune defenses are critical for controlling GBS dissemination and systemic infection. Mast cells are resident sentinel cells that come into contact with pathogens early during colonization and infection. OBJECTIVE: We aimed to investigate the contribution of chymase to systemic GBS infection and rates of preterm birth...
September 12, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28910675/equine-chorionic-gonadotropin-administration-after-insemination-affects-luteal-function-and-pregnancy-establishment-in-postpartum-anestrous-beef-cows
#17
R Núñez-Olivera, T de Castro, G A Bó, J Piaggio, A Menchaca
Two experiments were conducted with the aim of determining the effect of equine chorionic gonadotropin (eCG) administration on day 14 after insemination on ovarian response and pregnancy establishment in postpartum anestrous beef cows. In both experiments, cows were subjected to a progesterone- and estradiol-based treatment for fixed-time artificial insemination (FTAI) and were randomly allocated into 4 groups to receive or not receive eCG (400 IU) at the time of device removal and/or at 14 d after FTAI. In experiment 1, from day 14 to 22, daily ultrasonographic determinations were performed to monitor ovarian dynamics, and blood was collected to determine hormone concentrations in 60 cows...
August 31, 2017: Domestic Animal Endocrinology
https://www.readbyqxmd.com/read/28903109/does-breastfeeding-shape-food-preferences-links-to-obesity
#18
Alison K Ventura
The first 2 years of life have been recognized as a critical window for obesity prevention efforts. This period is characterized by rapid growth and development and, in a relatively short period of time, a child transitions from a purely milk-based diet to a more varied solid-food diet. Much learning about food and eating occurs during this critical window, and it is well-documented that early feeding and dietary exposures predict later food preferences, eating behaviors, and dietary patterns. The focus of this review will be on the earliest feeding experiences - breast- and formula-feeding - and the unique role of breastfeeding in shaping children's food preferences...
2017: Annals of Nutrition & Metabolism
https://www.readbyqxmd.com/read/28900865/genetic-counseling-in-primary-immunodeficiency-disorders-an-emerging-experience-in-egypt
#19
Rabab E El Hawary, Safa S Meshaal, Dalia S Abd Elaziz, Marwa A Elsharkawy, Radwa S Alkady, Sohilla Lotfy, Ahmad El-Sheikhah, Amr Hassan, Nermeen M Galal, Jeannette A Boutros, Aisha M Elmarsafy
BACKGROUND: Primary immunodeficiency disorders (PIDs) are a heterogeneous group of diseases of the immune system leading to life-threatening infections, and, unless urgently treated with immune reconstitution, patients do not usually survive. With the continuing progress in molecular diagnosis, many mutations have been described in more than 300 genes. Genetic counseling has recently been considered an essential part of the management of PIDs. This study presents the experience of genetic counseling services in the largest PID center in Egypt, and reports on our management plan and the impact of prenatal diagnosis (PND) on families...
September 12, 2017: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28899373/maximizing-the-impact-of-malaria-funding-through-allocative-efficiency-using-the-right-interventions-in-the-right-locations
#20
Nick Scott, S Azfar Hussain, Rowan Martin-Hughes, Freya J I Fowkes, Cliff C Kerr, Ruth Pearson, David J Kedziora, Madhura Killedar, Robyn M Stuart, David P Wilson
BACKGROUND: The high burden of malaria and limited funding means there is a necessity to maximize the allocative efficiency of malaria control programmes. Quantitative tools are urgently needed to guide budget allocation decisions. METHODS: A geospatial epidemic model was coupled with costing data and an optimization algorithm to estimate the optimal allocation of budgeted and projected funds across all malaria intervention approaches. Interventions included long-lasting insecticide-treated nets (LLINs), indoor residual spraying (IRS), intermittent presumptive treatment during pregnancy (IPTp), seasonal mass chemoprevention in children (SMC), larval source management (LSM), mass drug administration (MDA), and behavioural change communication (BCC)...
September 12, 2017: Malaria Journal
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