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https://www.readbyqxmd.com/read/28934815/-the-fetal-profile-more-than-just-nt
#1
Markus Hoopmann, Karl Oliver Kagan
The midsagittal view of the fetal profile is essential in first trimester screening at 11 + 0 to 13 + 6 weeks of gestation. None of the standard sections in prenatal medicine is as well defined and undergoes such a strong quality assurance program. These requirements were recently challenged by the introduction of cell-free DNA screening. The fetal profile view was previously only needed for the appropriate measurement of the fetal nuchal translucency thickness. In recent years, it became evident that there are many more anomalies or markers for fetal defects that can be seen in this section such as spina bifida, facial clefts or retrognathia...
September 21, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28932678/precise-protein-photolithography-p-3-high-performance-biopatterning-using-silk-fibroin-light-chain-as-the-resist
#2
Wanpeng Liu, Zhitao Zhou, Shaoqing Zhang, Zhifeng Shi, Justin Tabarini, Woonsoo Lee, Yeshun Zhang, S N Gilbert Corder, Xinxin Li, Fei Dong, Liang Cheng, Mengkun Liu, David L Kaplan, Fiorenzo G Omenetto, Guozheng Zhang, Ying Mao, Tiger H Tao
Precise patterning of biomaterials has widespread applications, including drug release, degradable implants, tissue engineering, and regenerative medicine. Patterning of protein-based microstructures using UV-photolithography has been demonstrated using protein as the resist material. The Achilles heel of existing protein-based biophotoresists is the inevitable wide molecular weight distribution during the protein extraction/regeneration process, hindering their practical uses in the semiconductor industry where reliability and repeatability are paramount...
September 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28930553/fetal-nucleic-acids-in-maternal-plasma-from-biology-to-clinical-translation
#3
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/28930172/rhein-induces-oxidative-stress-and-apoptosis-in-mouse-blastocysts-and-has-immunotoxic-effects-during-embryonic-development
#4
Chien-Hsun Huang, Wen-Hsiung Chan
Rhein, a glucoside chemical compound found in a traditional Chinese medicine derived from the roots of rhubarb, induces cell apoptosis and is considered to have high potential as an antitumor drug. Several previous studies showed that rhein can inhibit cell proliferation and trigger mitochondria-related or endoplasmic reticulum (ER) stress-dependent apoptotic processes. However, the side effects of rhein on pre- and post-implantation embryonic development remain unclear. Here, we show that rhein has cytotoxic effects on blastocyst-stage mouse embryos and induces oxidative stress and immunotoxicity in mouse fetuses...
September 20, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28928662/toxicity-of-nanoparticles-on-the-reproductive-system-in-animal-models-a-review
#5
REVIEW
Rahim Dad Brohi, Li Wang, Hira Sajjad Talpur, Di Wu, Farhan Anwar Khan, Dinesh Bhattarai, Zia-Ur Rehman, F Farmanullah, Li-Jun Huo
In the last two decades, nanotechnologies demonstrated various applications in different fields, including detection, sensing, catalysis, electronics, and biomedical sciences. However, public concerns regarding the well-being of human may hinder the wide utilization of this promising innovation. Although, humans are exposed to airborne nanosized particles from an early age, exposure to such particles has risen dramatically within the last century due to anthropogenic sources of nanoparticles. The wide application of nanomaterials in industry, consumer products, and medicine has raised concerns regarding the potential toxicity of nanoparticles in humans...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28915515/the-association-of-decision-to-incision-time-for-cesarean-delivery-with-maternal-and-neonatal-outcomes
#6
William A Grobman, Jennifer Bailit, Grecio Sandoval, Uma M Reddy, Ronald J Wapner, Michael W Varner, John M Thorp, Steve N Caritis, Mona Prasad, Alan T N Tita, George R Saade, Yoram Sorokin, Dwight J Rouse, Sean C Blackwell, Jorge E Tolosa
No abstract text is available yet for this article.
September 15, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28911133/kisspeptin-is-a-novel-regulator-of-human-fetal-adrenocortical-development-and-function-a-finding-with-important-implications-for-the-human-fetoplacental-unit
#7
Harshini Katugampola, Peter J King, Sumana Chatterjee, Muriel Meso, Andrew J Duncan, John C Achermann, Leo Guasti, Lea Ghataore, Norman F Taylor, Rebecca Allen, Shemoon Marlene, Joseph Aquilina, Ali Abbara, Channa N Jaysena, Waljit S Dhillo, Leo Dunkel, Ulla Sankilampi, Helen L Storr
Context: The human fetal adrenal (HFA) is an integral component of the fetoplacental unit and important for the maintenance of pregnancy. Low kisspeptin levels during pregnancy are associated with miscarriage, and kisspeptin and its receptor are expressed in the HFA. However, the role of kisspeptin in fetal adrenal function remains unknown. Objective: To determine the role of kisspeptin in the developing HFA. Design: Experiments using H295R and primary HFA cells as in vitro models of the fetal adrenal...
September 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28904502/antispermatogenic-mechanism-of-trona-is-associated-with-lipid-peroxidation-but-not-testosterone-suppression
#8
Ayodeji F Ajayi, Roland E Akhigbe
BACKGROUND: About half of the cases of infertility in couples have been attributed to male factor. Despite the claim in folklore medicine that trona (a sesquicarbonate or hydrated carbonate of sodium) causes fetal loss, its effect on male reproductive function has not been investigated. AIM: This study sought to provide scientific evidence on the effect of trona on sperm characteristics, male reproductive hormones and organs, and lipid peroxidation. MATERIALS AND METHODS: Forty male Wistar rats of comparable weights were used for the study...
April 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28893486/-anti-d-prophylaxis-in-fetal-maternal-erythrocyte-incompatibility-in-tunisia
#9
I Ksibi, R Achour, W Bel Haj Ammar, M Cheour, M Ben Amara, K Neji, S Kacem
Generalization of postnatal prophylaxis using anti-D immunoglobulins decreased the incidence of erythrocyte fetal-maternal incompatibility (EFMI) in the Rhesus system. Few recent studies have investigated the situation of anti-D prophylaxis in Tunisia and its effects on maternal and neonatal health. The aim of this study was therefore to analyze the situation of anti-D prophylaxis in Tunisia to detect defects and propose solutions. We conducted a retrospective descriptive study of IFME cases in the rhesus system in the Department of Medicine and Neonatal Resuscitation of the Tunis Maternity and Neonatology Center (CMNT) during an 8-year period from 1 January 2006 to 31 December 2015...
September 8, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28892210/myoma-and-myomectomy-poor-evidence-concern-in-pregnancy
#10
REVIEW
Giusi Natalia Milazzo, Angelica Catalano, Valentina Badia, Maddalena Mallozzi, Donatella Caserta
AIM: Summarize the results of the many, but often underpowered, studies on pregnancy complicated by myoma or myomectomy. METHODS: Survey of the electronic PubMed database for the last two decades was conducted. We selected reviews, meta-analyses, case series, case reports, clinical studies only with statistical analysis, and guidelines from scientific societies. RESULTS: Delaying childbearing leads to an increased incidence of pregnancy complicated by fibroids or previous myomectomy...
September 11, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28889785/validation-of-fetal-medicine-foundation-algorithm-for-prediction-of-preeclampsia-in-the-first-trimester-in-an-unselected-brazilian-population
#11
Guilherme Antonio Rago Lobo, Paulo Martin Nowak, Ana Paula Panigassi, Angélia Iara Felipe Lima, Edward Araujo Júnior, Luciano Marcondes Machado Nardozza, David Baptista Silva Pares
OBJECTIVE: To evaluate the predictive performance of the Fetal Medicine Foundation (FMF) algorithm for prediction of preeclampsia (PE) between 11 and 14 weeks of gestation in an unselected Brazilian population. METHODS: We conducted a prospective cohort study with 617 singleton pregnancies of unselected risk. Biophysical markers (mean pulsatility index, mean arterial pressure) and biochemical markers (placental growth factor (PLGF) and PAPP-A) were inserted into the FMF software and converted into multiples of the median (MoM)...
September 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28887108/new-approach-for-the-derivation-of-melanocytes-from-induced-pluripotent-stem-ips-cells
#12
Tamihiro Kawakami, Tatsuro Okano, Sora Takeuchi, Kayoko Osumi, Yoshinao Soma, Munenari Itoh, Tomohisa Hirobe, Kowichi Jimbow
Induced pluripotent stem (iPS) cells have the ability to differentiate into multiple cell types in the body and have an unlimited growth potential. However, iPS cell-derived melanocytes produced by existing protocols have significant limitations in developing novel strategies for regenerative medicine and cell therapies of pigmentation disorders in humans, because they involve culture in media containing fetal bovine serum (FBS) and non-physiologic agents. In this study, we established a new in vitro approach to generate iPS cell-derived human melanocytes which have higher proliferation rates and increased melanin production compared to melanocytes prepared by previously reported approaches...
September 5, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28871576/first-trimester-combined-screening-for-preeclampsia-and-small-for-gestational-age-a-single-centre-experience-and-validation-of-the-fmf-screening-algorithm
#13
Beatrice Mosimann, Chantal Pfiffner, Sofia Amylidi-Mohr, Lorenz Risch, Daniel Surbek, Luigi Raio
AIM OF THE STUDY: Preeclampsia (PE) is associated with severe maternal and fetal morbidity in the acute presentation and there is increasing evidence that it is also an important risk factor for cardiovascular disease later in life. Therefore, preventive strategies are of utmost importance. The Fetal Medicine Foundation (FMF) London recently developed a first trimester screening algorithm for placenta-related pregnancy complications, in particular early onset preeclampsia (eoPE) requiring delivery before 34 weeks, and preterm small for gestational age (pSGA), with a birth weight <5th percentile and delivery before 37 weeks of gestation, based on maternal history and characteristics, and biochemical and biophysical parameters...
September 5, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28867155/the-boundaries-of-fetal-cardiac-intervention-expand-or-tighten
#14
REVIEW
Laura Gellis, Wayne Tworetzky
Fetal cardiac intervention (FCI) is a relatively new and continually evolving field, and, for select cardiac defects, offers the potential to alter the progression of the disease and improve outcomes. It is a procedure that requires a collaborative effort between maternal-fetal medicine, interventional cardiology and fetal echo/ultrasound specialists, as well as fetal and maternal anesthesiologists, nursing specialists, and social workers. This article reviews the most recently reported data and advances in FCI...
August 31, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28864012/maternal-obesity-and-gestational-weight-gain-are-modestly-associated-with-umbilical-cord-dna-methylation
#15
Keshari M Thakali, Jennifer B Faske, Arjun Ishwar, Maria P Alfaro, Mario A Cleves, Thomas M Badger, Aline Andres, Kartik Shankar
INTRODUCTION: Maternal obesity (OB) and excessive gestational weight gain (GWG) are strong independent contributors that augment obesity risk in offspring. However, direct evidence of epigenetic changes associated with maternal habitus remains sparse. METHODS: We utilized Bisulfite Amplicon Sequencing (BSAS) to conduct targeted DNA methylation association analysis of maternal obesity and excessive GWG with DNA methylation of select metabolism-related and imprinted genes...
September 2017: Placenta
https://www.readbyqxmd.com/read/28859768/no-233-antibiotic-therapy-in-preterm-premature-rupture-of-the-membranes
#16
Mark H Yudin, Julie van Schalkwyk, Nancy Van Eyk
OBJECTIVE: To review the evidence and provide recommendations on the use of antibiotics in preterm premature rupture of the membranes (PPROM). OUTCOMES: Outcomes evaluated include the effect of antibiotic treatment on maternal infection, chorioamnionitis, and neonatal morbidity and mortality. EVIDENCE: Published literature was retrieved through searches of Medline, EMBASE, CINAHL, and The Cochrane Library, using appropriate controlled vocabulary and key words (PPROM, infection, and antibiotics)...
September 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28859766/no-348-joint-sogc-ccmg-guideline-update-on-prenatal-screening-for-fetal-aneuploidy-fetal-anomalies-and-adverse-pregnancy-outcomes
#17
Francois Audibert, Isabelle De Bie, Jo-Ann Johnson, Nanette Okun, R Douglas Wilson, Christine Armour, David Chitayat, Raymond Kim
OBJECTIVE: To review the available prenatal screening options in light of the recent technical advances and to provide an update of previous guidelines in the field of prenatal screening. INTENDED USERS: Health care providers involved in prenatal screening, including general practitioners, obstetricians, midwives, maternal fetal medicine specialists, geneticists, and radiologists. TARGET POPULATION: All pregnant women receiving counselling and providing informed consent for prenatal screening...
September 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28859764/no-347-obstetric-management-at-borderline-viability
#18
Noor Niyar N Ladhani, Radha S Chari, Michael S Dunn, Griffith Jones, Prakesh Shah, Jon F R Barrett
OBJECTIVE: The primary objective of this guideline was to develop consensus statements to guide clinical practice and recommendations for obstetric management of a pregnancy at borderline viability, currently defined as prior to 25+6 weeks. INTENDED USERS: Clinicians involved in the obstetric management of women whose fetus is at the borderline of viability. TARGET POPULATION: Women presenting for possible birth at borderline viability. EVIDENCE: This document presents a summary of the literature and a general consensus on the management of pregnancies at borderline viability, including maternal transfer and consultation, administration of antenatal corticosteroids and magnesium sulfate, fetal heart rate monitoring, and considerations in mode of delivery...
September 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28852656/preconception-care-in-therapeutic-abortion-applicants
#19
Farzaneh Shirmohammadi, Nafisehsadat Nekuei, Parvin Bahadoran, Gita Montazery
BACKGROUND: Some risk factors that would lead to therapeutic abortion do even exist before pregnancy and could be resolved or corrected through appropriate interventions. The present study was conducted to evaluate the condition of preconception care among therapeutic abortion applicants. MATERIALS AND METHODS: This research was a descriptive, cross-sectional study that was conducted on 200 applicants for therapeutic abortion at the Forensics Medicine Center of Isfahan (Iran) who were selected convenience sampling from October 2014 to March 2015...
2017: Journal of Education and Health Promotion
https://www.readbyqxmd.com/read/28850682/perinatal-outcomes-associated-with-isolated-velamentous-cord-insertion-in-singleton-and-twin-pregnancies
#20
Joshua A Sinkin, Wendy Y Craig, Michael Jones, Michael G Pinette, Joseph R Wax
OBJECTIVES: To evaluate perinatal outcomes in singleton and twin pregnancies with pathologically confirmed velamentous cord insertion without vasa previa. METHODS: This retrospective case-control study included all nonanomalous singleton and twin pregnancies with pathologically confirmed velamentous cord insertion delivered in a single institution between January 1, 2005, and July 1, 2015, and having an ultrasound examination by maternal-fetal medicine. For each case, the next 2 consecutive deliveries matched for gestational age at delivery ± 1 week and, in twins, amnionicity and chorionicity served as controls...
August 29, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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