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https://www.readbyqxmd.com/read/28938476/fetal-and-maternal-genetic-variants-influencing-neonatal-vitamin-d-status
#1
Ketil Størdal, Karl Mårild, German Tapia, Margareta Haugen, Arieh S Cohen, Benedicte A Lie, Lars C Stene
Objective: Several genetic polymorphisms determine vitamin D status. We aimed to estimate the strength of association of established 25-hydroyxvitamin D (25OHD) associated variants in the mother and in the fetus, with 25OHD concentration in newborn umbilical cord plasma. Methods: We randomly selected 578 mother and child dyads from the prospective Norwegian Mother and Child Cohort study (MoBa). 25OHD was assayed in maternal samples taken shortly after delivery and in cord samples...
August 18, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938413/prenatal-diagnosis-of-resistance-to-thyroid-hormone-and-its-clinical-implications
#2
Theodora Pappa, João Anselmo, Sunnee Mamanasiri, Alexandra M Dumitrescu, Roy E Weiss, Samuel Refetoff
Context: Resistance to thyroid hormone beta (RTHβ) is an autosomal dominant disorder characterized by reduced sensitivity of target tissues to thyroid hormones (TH). Individuals with RTHβ have high TH levels usually due to mutations in the TH receptor beta (THRB) gene. The management of RTHβ during pregnancy is challenging as wild-type (WT) fetuses born to RTHβ mothers have low birth weight and suppressed postnatal TSH, due to intrauterine exposure to excess TH. Objective: To determine birth weight and postnatal TSH of WT fetuses carried by mothers with RTHβ whose fT4 levels were maintained below 20% the upper limit of normal (ULN)...
August 4, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28938322/the-relationship-of-the-temporal-branch-of-the-facial-nerve-to-the-fascial-planes-of-temporal-region-in-human-fetuses
#3
Özlem Elvan, Alev Bobuş Kara, Mesut Sabri Tezer, Mustafa Aktekin
The aim of this study was to obtain information by assessing the relationship between temporal region fascial structures, fat pads, and temporal branches of facial nerve in human fetuses to use the knowledge on treatment of early childhood period surgeries. This anatomic dissection study was conducted on 40 hemifaces with no visible external abnormalities on their faces. Fascial layers and related fat pads of temporal region were dissected layer by layer beginning from superficial to deep. The relations of temporal branches of facial nerve and temporoparietal fascia and the structures of these fascial layers were evaluated...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28937389/incontinentia-pigmenti-an-x-linked-dominant-disorder-in-a-2-year-old-boy-with-klinefelter-syndrome
#4
Abhilasha Williams, Laxmisha Chandrashekar, Vivi M Srivastava, Meera Thomas, Saban Horo, Renu George
Incontinentia pigmenti (IP) is a rare X-linked dominant disorder, in which skin lesions distributed along Blaschko's lines appear shortly after birth. Early lesions which are erythematous/bullous evolve over time into warty lesions, hyperpigmented swirls/macules, and atrophic hypopigmented streaks. Clinical features are heterogeneous. Abnormalities of the teeth, nails, hair, eyes, central nervous system, and breast may also be present. While intelligence is generally normal, varied degrees of intellectual disability/developmental delay have been reported...
July 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28935848/clinical-relevance-of-silent-red-blood-cell-autoantibodies
#5
Francesca R Mauro, Fabio Trastulli, Cristiano Alessandri, Guido Valesini, Gianluca Giovannetti, Costantino Riemma, Marika Porrazzo, Sara Pepe, Gioia Colafigli, Maria D Caputo, Maria S De Propris, Anna R Guarini, Gabriella Girelli, Serelina Coluzzi, Robin Foà
To evaluate the clinical significance of RBC autoantibodies in the absence of clinical signs of autoimmune hemolytic anemia (AHIA), we retrospectively analyzed the clinical course of 60 subjects with silent RBC autoantibodies (IgG, 24; IgM, 35; IgG+IgM, 1) diagnosed and followed at our institute. Asymptomatic RBC autoantibodies were detected in 5 (8.3%) pregnant females, 34 (56.7%) healthy individuals (blood donors, 32; subjects with abnormal agglutination of blood samples, 2) and 21 (35%) patients screened prior to surgery (benign disorders, 16; tumors, 5)...
September 21, 2017: Haematologica
https://www.readbyqxmd.com/read/28935154/inducible-knockout-of-syncytin-a-gene-leads-to-an-extensive-placental-vasculature-deficiency-implications-for-preeclampsia
#6
Shan Qiao, Fengchao Wang, Haibin Chen, Shi-Wen Jiang
Syncytin-1, a human endogenous retroviral envelope gene (HERVW1), is specifically expressed in placental trophoblasts and mediates the formation of syncytiotrophoblasts through a fusogenic activity. Syncytin-1 expression deficiency has been repeatedly observed in preeclamptic/IUGR placentas. Previous gene knockout studies indicated that in mice, complete syncytin-A null mouse embryos died in utero between 11.5 and 13.5days of gestation. However, the complete knockout model could not fully recapitulate the mid- to third-trimester, time-specific syncytin-1 deficiency in preeclampsia patients...
September 18, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28934814/prenatal-diagnosis-of-agenesis-of-ductus-venosus-a-retrospective-study-of-anatomic-variants-associated-anomalies-and-impact-on-postnatal-outcome
#7
Brigitte Strizek, Aikaterini Zamprakou, Ingo Gottschalk, Maria Roethlisberger, Astrid Hellmund, Andreas Müller, Ulrich Gembruch, Annegret Geipel, Christoph Berg
Purpose To assess the anatomic variants, associated anomalies and postnatal outcome of fetuses with a prenatally diagnosed agenesis of ductus venosus (ADV). Materials and Methods Retrospective study of 119 cases with agenesis of ductus venosus diagnosed by prenatal ultrasound in two tertiary referral centers from 2006 to 2014. The type and location of the umbilical venous drainage site was noted. Charts were reviewed for associated structural or chromosomal anomalies, pregnancy outcome and postnatal course...
September 21, 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28934391/homozygous-kidins220-loss-of-function-variants-in-fetuses-with-cerebral-ventriculomegaly-and-limb-contractures
#8
I-L Mero, H H Mørk, Y Sheng, A Blomhoff, G L Opheim, Aa Erichsen, M D Vigeland, K K Selmer
Heterozygous mutations in KIDINS220 were recently suggested a cause of spastic paraplegia, intellectual disability, nystagmus and obesity. All patients carried terminal nonsense de novo mutations that seemed to escape nonsense-mediated mRNA decay. The mechanism for pathogenicity is yet unexplained, as it seems that heterozygous loss-of-function variants of KIDINS220 are generally well tolerated. We present a consanguineous couple who experienced four pregnancy terminations due to repeated findings in the fetuses comprising enlarged cerebral ventricles and limb contractures...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28934257/slow-fetal-growth-between-first-and-early-second-trimester-ultrasound-scans-and-risk-of-small-for-gestational-age-sga-birth
#9
Marija Simic, Olof Stephansson, Gunnar Petersson, Sven Cnattingius, Anna-Karin Wikström
OBJECTIVES: To investigate the association between fetal growth between first and early second trimester ultrasound scan and the risk of severe small for gestational age (SGA) birth. METHODS: This cohort study included 69 550 singleton pregnancies with first trimester dating and an early second trimester growth scan in Stockholm and Gotland Counties, Sweden between 2008 and 2014. Exposure was difference in biparietal diameter growth between observed and expected at the second trimester scan, calculated by z-scores...
2017: PloS One
https://www.readbyqxmd.com/read/28934223/ursodeoxycholic-acid-prevents-ventricular-conduction-slowing-and-arrhythmia-by-restoring-t-type-calcium-current-in-fetuses-during-cholestasis
#10
Oladipupo Adeyemi, Anita Alvarez-Laviada, Francisca Schultz, Effendi Ibrahim, Michael Trauner, Catherine Williamson, Alexey V Glukhov, Julia Gorelik
BACKGROUND: Increased maternal serum bile acid concentrations in intrahepatic cholestasis of pregnancy (ICP) are associated with fetal cardiac arrhythmias. Ursodeoxycholic acid (UDCA) has been shown to demonstrate anti-arrhythmic properties via preventing ICP-associated cardiac conduction slowing and development of reentrant arrhythmias, although the cellular mechanism is still being elucidated. METHODS: High-resolution fluorescent optical mapping of electrical activity and electrocardiogram measurements were used to characterize effects of UDCA on one-day-old neonatal and adult female Langendorff-perfused rat hearts...
2017: PloS One
https://www.readbyqxmd.com/read/28934068/upper-limb-hemimelia-in-a-twin-pregnancy-which-was-obtained-by-an-icsi-and-pgd-in-a-woman-with-mosaic-turner-s-syndrome-and-the-prognosis
#11
Ahter Tanay Tayyar, Ahmet Tayyar, Ahmet Eser, Çetin Kılıçcı, İlter Yenidede, Selçuk Selçuk
Turner's syndrome (TS) is depicted as a total or partial absence of X chromosome, and occurs in approximately 1/2200 of live born females. Generally, mosaic patients are diagnosed following karyotype analysis due to recurrent pregnancy loss, repeated in vitro fertilization (IVF) failure, and a history of malformed babies. The purpose of this case report is to show that even a selection of normal karyotype embryos can result in abnormalities for those with mosaic TS. A 32-year old patient who underwent IVF after ICSI-PGD, and was diagnosed with 45X/46XX karyotype...
September 21, 2017: Organogenesis
https://www.readbyqxmd.com/read/28932709/trehalose-may-decrease-the-transmission-of-zika-virus-to-the-fetus-by-activating-degradative-autophagy
#12
Shu Yuan, Zhong-Wei Zhang, Zi-Lin Li
No abstract text is available yet for this article.
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28932611/chronic-pelvic-pain-and-infertility-resulting-from-unrecognized-retained-laminaria
#13
Wesley Nilsson, Sasha Mikhael, Jennifer Kaplan
BACKGROUND: In 2013, the abortion rate in the United States was found to be 200 abortions per 1,000 live births. Of these, the CDC estimates that nearly 49% were performed using unsafe measures. Even when these procedures are safely performed, patients are at risk for immediate or delayed complications. In second-trimester terminations, mechanical dilation with an osmotic dilator is common to allow for delivery of the fetus. The Japanese seaweed Laminaria japonica is used to achieve this purpose...
2017: Case Reports in Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28932221/diversity-of-vibrio-navarrensis-revealed-by-genomic-comparison-veterinary-isolates-are-related-to-strains-associated-with-human-illness-and-sewage-isolates-while-seawater-strains-are-more-distant
#14
Keike Schwartz, Cindy Kukuc, Nadja Bier, Karin Taureck, Jens A Hammerl, Eckhard Strauch
Strains of Vibrio navarrensis are present in aquatic environments like seawater, rivers, and sewage. Recently, strains of this species were identified in human clinical specimens. In this study, V. navarrensis strains isolated from livestock in Germany were characterized that were found in aborted fetuses and/or placentas after miscarriages. The veterinary strains were analyzed using phenotypical and genotypical methods and compared to isolates from marine environments of the Baltic Sea and North Sea. The investigated phenotypical traits were similar in all German strains...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28931792/effects-of-prenatal-methylmercury-exposure-from-minamata-disease-to-environmental-health-studies
#15
Mineshi Sakamoto, Takaaki Itai, Katsuyuki Murata
Methylmercury, the causative agent of Minamata disease, can easily penetrate the brain, and adult-type Minamata disease patients showed neurological symptoms according to the brain regions where the neurons, mainly in the cerebrum and cerebellum, were damaged. In addition, fetuses are exposed to methylmercury via the placenta from maternal fish consumption, and high-level exposure to methylmercury causes damage to the brains of infants. Typical patients with fetal-type Minamata disease (i.e., serious poisoning caused by in utero exposure to methylmercury) were born during the period of severe methylmercury pollution in 1955-1959, although they showed no abnormality during gestation nor at delivery...
2017: Nihon Eiseigaku Zasshi. Japanese Journal of Hygiene
https://www.readbyqxmd.com/read/28931587/maternal-choline-supplementation-modulates-placental-nutrient-transport-and-metabolism-in-late-gestation-of-mouse-pregnancy
#16
Sze Ting Cecilia Kwan, Julia H King, Jian Yan, Zhen Wang, Xinyin Jiang, Jason S Hutzler, Hallie R Klein, J Thomas Brenna, Mark S Roberson, Marie A Caudill
Background: Fetal growth is dependent on placental nutrient supply, which is influenced by placental perfusion and transporter abundance. Previous research indicates that adequate choline nutrition during pregnancy improves placental vascular development, supporting the hypothesis that choline may affect placental nutrient transport.Objective: The present study sought to determine the impact of maternal choline supplementation (MCS) on placental nutrient transporter abundance and nutrient metabolism during late gestation...
September 20, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28931421/magnitude-of-the-cytomegalovirus-infection-among-pregnant-women-attending-antenatal-clinics-in-the-city-of-mwanza-tanzania
#17
Elieza Chibwe, Mariam M Mirambo, Albert Kihunrwa, Stephen E Mshana
BACKGROUND: Despite, Cytomegalovirus (CMV) infection being associated with a potential risk to the fetus, there is limited data from Tanzania and many other developing countries regarding the epidemiology and the impact of CMV infections. This cross-sectional study was conducted between December 2014 and June 2015 among pregnant women attending antenatal clinics in the city of Mwanza, Tanzania to investigate the magnitude and associated factors of CMV infection. METHODS: The specific CMV IgM and IgG antibodies were detected using indirect enzyme linked immunosorbent assay (ELISA)...
September 20, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28931070/atrazine-induced-epigenetic-transgenerational-inheritance-of-disease-lean-phenotype-and-sperm-epimutation-pathology-biomarkers
#18
Margaux McBirney, Stephanie E King, Michelle Pappalardo, Elizabeth Houser, Margaret Unkefer, Eric Nilsson, Ingrid Sadler-Riggleman, Daniel Beck, Paul Winchester, Michael K Skinner
Ancestral environmental exposures to a variety of environmental toxicants and other factors have been shown to promote the epigenetic transgenerational inheritance of adult onset disease. The current study examined the potential transgenerational actions of the herbicide atrazine. Atrazine is one of the most commonly used herbicides in the agricultural industry, in particular with corn and soy crops. Outbred gestating female rats were transiently exposed to a vehicle control or atrazine. The F1 generation offspring were bred to generate the F2 generation and then the F2 generation bred to generate the F3 generation...
2017: PloS One
https://www.readbyqxmd.com/read/28930668/aspects-of-sexual-precocity-and-morphometry-of-uterus-placenta-and-embryos-fetuses-in-piau-breed-and-commercial-line-gilts
#19
José Carlos Montes, Jurandy Mauro Penitente-Filho, Simone Eliza Facioni Guimarães, Paulo Sávio Lopes, Breno Soares Camilo, Hugo Hideki Shiomi, Daniel Araújo Lima, Rogério Oliveira Pinho, Jhonata Vieira Tavares do Nascimento Pereira, Denise Silva Okano, Karine Assis Costa, José Domingos Guimarães
In view of the importance of the genetic material of local breeds in the swine industry and the lack of information about reproductive performance of Piau females, two experiments were conducted to evaluate puberty and sexual maturity as well as the morphometry of embryos/fetuses, placenta and uterus during the first 90 days of gestation in Piau breed and Commercial line gilts. In experiment I, 37 Piau and 25 commercial line gilts were used. From the 120 days of age, detection of estrus was performed using mature boars from the first to third estrus of each gilt...
September 12, 2017: Theriogenology
https://www.readbyqxmd.com/read/28930172/rhein-induces-oxidative-stress-and-apoptosis-in-mouse-blastocysts-and-has-immunotoxic-effects-during-embryonic-development
#20
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
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