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https://www.readbyqxmd.com/read/28098942/biomarkers-for-the-detection-of-prenatal-alcohol-exposure-a-review
#1
REVIEW
Heidi Bager, Lars Porskjaer Christensen, Steffen Husby, Lene Bjerregaard
Alcohol exposure during pregnancy can cause adverse effects to the fetus, because it interferes with fetal development, leading to later physical and mental impairment. The most common clinical tool to determine fetal alcohol exposure is maternal self-reporting. However, a more objective and useful method is based on the use of biomarkers in biological specimens alone or in combination with maternal self-reporting. This review reports on clinically relevant biomarkers for detection of prenatal alcohol exposure (PAE)...
January 18, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28098911/diagnosis-for-choroideremia-in-a-large-chinese-pedigree-by-next%C3%A2-generation-sequencing-ngs-and-non%C3%A2-invasive-prenatal-testing-nipt
#2
Li Zhu, Jingliang Cheng, Boxu Zhou, Chunli Wei, Weichan Yang, Dong Jiang, Iqra Ijaz, Xiaojun Tan, Rui Chen, Junjiang Fu
To develop an effective strategy to isolate and use cell‑free fetal DNA (cffDNA) for the combined use of next‑generation sequencing (NGS) for diagnosing choroideremia and non‑invasive prenatal testing (NIPT) for Y chromosome determination, a large Chinese family with an X‑linked recessive disease, choroideremia, was recruited. Cell‑free DNA was extracted from maternal plasma, and SRY polymerase chain reaction amplification was performed using NIPT. Sanger sequencing was subsequently used for fetal amniotic fluid DNA verification...
January 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28097780/a-man-made-disease-fetal-neonatal-alloimmune-thrombocytopenia-due-to-incompatibility-between-oocyte-donor-and-gestational-mother
#3
Assaf Arie Barg, Aviya Dvir Ifrah, Tzipi Strauss, Michal J Simchen, Raoul Orvieto, Nurit Rosenberg, Gili Kenet
The incompatibility causing fetal and neonatal alloimmune thrombocytopenia (FNAIT) results from a fetus inheriting a paternal human platelet antigen (HPA), which is different from the maternal HPA. We present a unique case of FNAIT in a pregnancy involving an oocyte recipient mother with Turner syndrome. This is the first report of FNAIT in which the suggested mechanism involves antibodies produced by a gestational mother against the incompatible HPA of the oocyte donor.
January 18, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/28097444/obstetric-outcome-of-vanishing-twins-syndrome-a-systematic-review-and-meta-analysis
#4
REVIEW
Ling Sun, Ling X Jiang, Heng Z Chen
PURPOSE: Due to the high number of multiple embryo transfers into the uterus performed in assisted reproductive technology treatment (ART), the incidences of twin pregnancy and of vanishing twin syndrome (VTS) are correspondingly high. A number of studies have described the obstetric outcomes of the remaining fetus produced after the other twin had vanished compared with a singleton at the start following ART, but the results are mixed and contradictory. We performed a systematic review of the existing studies to explore the actual obstetric outcome of VTS to allow physicians to adequately advise their patients...
January 17, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28096434/precocious-glucocorticoid-exposure-reduces-skeletal-muscle-satellite-cells-in-the-fetal-rat
#5
Ganga Gokulakrishnan, Xiaoyan Chang, Ryan Fleischmann, Marta Fiorotto
Perinatal skeletal muscle growth rates are a function of protein and myonuclear accretion. Precocious exposure of the fetus to glucocorticoids (GLC) in utero impairs muscle growth. Reduced muscle protein synthesis rates contribute to this response, but the consequences for myonuclear hyperplasia are unknown. To test the hypothesis that blunting of Pax7+ muscle progenitor cell proliferative activity by GLC in vivo also contributes to reduced fetal muscle growth, pregnant rats were administered dexamethasone (DEX;1 mg/L drinking water) from embryonic day (ED) 13 to ED21...
January 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28095996/antenatal-predictors-of-outcome-in-prenatally-diagnosed-congenital-diaphragmatic-hernia-cdh
#6
REVIEW
Titilayo Oluyomi-Obi, Verena Kuret, Pramod Puligandla, Abhay Lodha, Helen Lee-Robertson, Kovid Lee, David Somerset, Joann Johnson, Greg Ryan
BACKGROUND: Pulmonary hypoplasia is the main cause of mortality in isolated congenital diaphragmatic hernia (CDH) and its prediction is paramount when counseling parents. We sought to identify antenatal parameters that predicted neonatal mortality in CDH. METHOD: Search was conducted in MEDLINE, EMBASE, Cochrane Database of Systematic reviews, PubMed, Scopus, and Web of Science on the ability of lung-to-head ratio (LHR), observed-to-expected LHR (o/e LHR), total fetal lung volume (TFLV), o/e TFLV, percentage predicted lung volume (PPLV) and degree of liver herniation to predict neonatal morbidity and mortality in fetuses with CDH...
December 21, 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28095893/clinical-biochemical-and-molecular-characterization-of-korean-patients-with-mucolipidosis-ii-iii-and-successful-prenatal-diagnosis
#7
Mina Yang, Sung Yun Cho, Hyung-Doo Park, Rihwa Choi, Young-Eun Kim, Jinsup Kim, Soo-Youn Lee, Chang-Seok Ki, Jong-Won Kim, Young Bae Sohn, Junghan Song, Dong-Kyu Jin
BACKGROUND: Mucolipidosis types II and III (ML II/III) are autosomal recessive disorders caused by a deficiency in the lysosomal enzyme N-acetylglucosamine-1-phosphotransferase. We investigated the molecular genetic characteristics of the GNPTAB gene, which codes for the alpha/beta subunits of a phosphotransferase, in Korean ML II/III patients. We included prenatal tests and evaluated the spectrum of mutations in East Asian populations with ML II/III through a literature review. METHODS: Seven patients from six families were enrolled in the study including two prenatal tests using chorionic villi samples...
January 17, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28095355/immune-regulatory-network-in-successful-pregnancy-and-reproductive-failures
#8
REVIEW
Mahnaz Ghaebi, Mohammad Nouri, Aliyeh Ghasemzadeh, Laya Farzadi, Farhad Jadidi-Niaragh, Majid Ahmadi, Mehdi Yousefi
Maternal immune system must tolerate semiallogenic fetus to establish and maintain a successful pregnancy. Despite the existence of several strategies of trophoblast to avoid recognition by maternal leukocytes, maternal immune system may react against paternal alloantigenes. Leukocytes are important components in decidua. Not only T helper (Th)1/Th2 balance, but also regulatory T (Treg) cells play an important role in pregnancy. Although the frequency of Tregs is elevated during normal pregnancies, their frequency and function are reduced in reproductive defects such as recurrent miscarriage and preeclampsia...
January 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28094441/sex-drugs-and-rock-and-roll-tales-from-preterm-fetal-life
#9
Laura Bennet
Premature fetuses and babies are at greater risk of mortality and morbidity than their term counterparts. The underlying causes are multifactorial, but include exposure to hypoxia. Immaturity of organs and their functional control may impair the physiological defence responses to hypoxia and the preterm fetal responses, or lack thereof, to moderate hypoxia appear to support this concept. However, as this review demonstrates, despite immaturity, the preterm fetus responds to asphyxia in a qualitatively similar manner to that seen at term...
January 17, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28093962/the-lmsr-method-for-providing-a-multidimensional-understanding-of-growth-standard-in-human-fetuses
#10
Kanta Naito, Shouta Shimizu, Jun Udagawa, Hiroki Otani
A new nonlinear multivariate regression method called the LMSR method is proposed, by which a multidimensional understanding for the development process of human fetuses can be provided. Statistically important quantities such as median, skewness, coefficient of variation, and correlation of underlying structure can be described by corresponding smooth curves. Those curves can be obtained by a fine combination of a multivariate power transformation of data and penalized likelihood. It will be shown that the LMSR method and some associated tools are clearly efficient in analyzing development process of human fetuses...
January 1, 2017: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/28093413/persistence-of-cardiac-remodeling-in-preadolescents-with-fetal-growth-restriction
#11
Sebastian Imre Sarvari, Merida Rodriguez-Lopez, Marta Nuñez-Garcia, Marta Sitges, Alvaro Sepulveda-Martinez, Oscar Camara, Constantine Butakoff, Eduard Gratacos, Bart Bijnens, Fatima Crispi
BACKGROUND: Fetal growth restriction (FGR) affects 5% to 10% of newborns and is associated with increased cardiovascular mortality in adulthood. We evaluated whether prenatal cardiovascular changes previously demonstrated in FGR persist into preadolescence. METHODS AND RESULTS: A cohort study of 58 FGR (defined as birth weight below 10th centile) and 94 normally grown fetuses identified in utero and followed-up into preadolescence (8-12 years of age) by echocardiography and 3-dimensional shape computational analysis...
January 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28092845/cinnamaldehyde-potentially-attenuates-gestational-hyperglycemia-in-rats-through-modulation-of-ppar%C3%AE-proinflammatory-cytokines-and-oxidative-stress
#12
Ahmed A Hosni, A Adel Abdel-Moneim, Eman S Abdel-Reheim, Samah M Mohamed, Hamdi Helmy
Cinnamon has a history of use for medicinal purposes and its major benefits have been linked to cinnamaldehyde. The present study aimed to investigate the hypoglycemic action of cinnamaldehyde against fatty-sucrosed diet/streptozotocin (FSD/STZ)-rat model of gestational diabetes. Female albino rats were divided into three groups. Group I fed with normal diet (ND) while group II and III were fed with FSD for eight weeks (five weeks pre-gestational and three weeks gestational). Rats of group III were administered with a daily oral dose of 20mg/kg cinnamaldehyde one week before mating onward...
January 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28092695/absorption-distribution-and-excretion-of-the-anti-tuberculosis-drug-delamanid-in-rats-extensive-tissue-distribution-suggests-potential-therapeutic-value-for-extrapulmonary-tuberculosis
#13
Masakazu Shibata, Yoshihiko Shimokawa, Katsunori Sasahara, Noriaki Yoda, Hiroyuki Sasabe, Mitsunari Suzuki, Ken Umehara
Delamanid (OPC-67683, Deltyba(TM) , nitro-dihydro-imidazooxazoles derivative) is approved for the treatment of adult pulmonary multidrug-resistant tuberculosis. The absorption, distribution, and excretion of delamanid-derived radioactivity were investigated after a single oral administration of (14) C-delamanid at 3 mg/kg to rats. In both male and female rats, radioactivity in blood and all tissues reached peak levels by 8 or 24 hours postdose, and thereafter decreased slowly. Radioactivity levels were 3- to 5-fold higher in lung tissue at time to maximum concentration compared with plasma...
January 16, 2017: Biopharmaceutics & Drug Disposition
https://www.readbyqxmd.com/read/28090638/late-gestational-intermittent-hypoxia-induces-metabolic-and-epigenetic-changes-in-male-adult-offspring-mice
#14
Abdelnaby Khalyfa, Rene Cortese, Zhuanhong Qiao, Honggang Ye, Riyue Bao, Jorge Andrade, David Gozal
Pregnancy, particularly late gestation, has been associated with a relatively high prevalence of obstructive sleep apnea (OSA). Intermittent hypoxia (IH), a hallmark of OSA, could impose significant long-term effects on somatic growth, energy homeostasis, and metabolic function in offspring. We hypothesized that IH during late pregnancy (LG-IH) may increase the propensity for metabolic dysregulation and obesity in adult offspring via epigenetic modifications. Time-pregnant female C57BL/6 mice were exposed to LG-IH or room air (LG-RA) during days 13-18 of gestation...
January 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28090634/dietary-interventions-for-fetal-growth-restriction-therapeutic-potential-of-dietary-nitrate-supplementation-in-pregnancy
#15
Elizabeth Cottrell, Teresa Tropea, Laura Ormesher, Susan Greenwood, Mark Wareing, Edward Johnstone, Jenny Myers, Colin Sibley
Fetal growth restriction (FGR) affects around 5% of pregnancies and is associated with significant short- and long-term adverse outcomes. A number of factors can increase the risk of FGR, one of which is poor maternal diet. In terms of pathology, both clinically and in many experimental models of FGR, impaired uteroplacental vascular function is implicated, leading to a reduction in the delivery of oxygen and nutrients to the developing fetus. Whilst mechanisms underpinning impaired uteroplacental vascular function are not fully understood, interventions aimed at enhancing nitric oxide (NO) bioavailability remain a key area of interest in obstetric research...
January 16, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28090507/gastric-cancer-in-pregnancy-is-laparoscopic-gastrectomy-with-lymph-node-dissection-feasible-and-safe
#16
Amer Saeed Alshahrani, Moon-Won Yoo
Gastric cancer with pregnancy is rare and usually presents in late and advanced stage. Standard interventions in diagnosing, staging and treatment of cancer may be harmful for the fetus. The treatment of cancer in pregnancy should not differ significantly from the treatment in nonpregnant women. There have been case reports of open gastrectomy for gastric cancer in pregnancy. We present a case of early gastric cancer in a 37-year-old pregnant woman treated with laparoscopic distal gastrectomy with lymph node dissection with no postoperative complications...
January 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28089577/neutralizing-anti-interleukin-1%C3%AE-antibodies-reduce-ischemia-related-interleukin-1%C3%AE-transport-across-the-blood-brain-barrier-in-fetal-sheep
#17
Aparna Patra, Xiaodi Chen, Grazyna B Sadowska, Jiyong Zhang, Yow-Pin Lim, James F Padbury, William A Banks, Barbara S Stonestreet
Hypoxic ischemic insults predispose to perinatal brain injury. Pro-inflammatory cytokines are important in the evolution of this injury. Interleukin-1β (IL-1β) is a key mediator of inflammatory responses and elevated IL-1β levels in brain correlate with adverse neurodevelopmental outcomes after brain injury. Impaired blood-brain barrier (BBB) function represents an important component of hypoxic-ischemic brain injury in the fetus. In addition, ischemia-reperfusion increases cytokine transport across the BBB of the ovine fetus...
January 9, 2017: Neuroscience
https://www.readbyqxmd.com/read/28089504/review-nutrient-sulfate-supply-from-mother-to-fetus-placental-adaptive-responses-during-human-and-animal-gestation
#18
REVIEW
P A Dawson, K Richard, A Perkins, Z Zhang, D G Simmons
Nutrient sulfate has numerous roles in mammalian physiology and is essential for healthy fetal growth and development. The fetus has limited capacity to generate sulfate and relies on sulfate supplied from the maternal circulation via placental sulfate transporters. The placenta also has a high sulfate requirement for numerous molecular and cellular functions, including sulfate conjugation (sulfonation) to estrogen and thyroid hormone which leads to their inactivation. Accordingly, the ratio of sulfonated (inactive) to unconjugated (active) hormones modulates endocrine function in fetal, placental and maternal tissues...
January 4, 2017: Placenta
https://www.readbyqxmd.com/read/28081297/first-trimester-noninvasive-fetal-rhd-genotyping-using-maternal-dried-blood-spots
#19
Yali Xiong, Stacey Jeronis, Barbara Hoffman, Dan A Liebermann, Ossie Geifman-Holtzman
OBJECTIVE: This study was aimed to evaluate whether maternal dried blood spots (DBS) could be a potential source for the non-invasive fetal RHD genotyping, serving as a combined one-step test for both the First Trimester Screen and the fetal RHD genotyping. METHOD: Both the DBS and the peripheral blood samples from nineteen RhD-negative pregnant women were obtained during the First Trimester Screen. DNA was extracted and Sequential Real-time PCRs were performed to determine the fetal RHD genotypes...
January 12, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28081216/real-time-monitoring-of-placental-oxygenation-during-maternal-hypoxia-and-hyperoxygenation-using-photoacoustic-imaging
#20
Chloé J Arthuis, Anthony Novell, Florian Raes, Jean-Michel Escoffre, Stéphanie Lerondel, Alain Le Pape, Ayache Bouakaz, Franck Perrotin
PURPOSE: This preclinical study aimed to evaluate placental oxygenation in pregnant rats by real-time photoacoustic (PA) imaging on different days of gestation and to specify variations in placental oxygen saturation under conditions of maternal hypoxia and hyperoxygenation. MATERIAL AND METHODS: Placentas of fifteen Sprague-Dawley rats were examined on days 14, 17, and 20 of pregnancy with a PA imaging system coupled to high-resolution ultrasound imaging. Pregnant rats were successively exposed to hyperoxygenated and hypoxic conditions by changing the oxygen concentration in inhaled gas...
2017: PloS One
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