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https://www.readbyqxmd.com/read/28549143/bile-acids-and-tryptophan-metabolism-are-novel-pathways-involved-in-metabolic-abnormalities-in-bpa-exposed-pregnant-mice-and-male-offspring
#1
Martha Susiarjo, Frances Xin, Martha Stefaniak, Clementina Mesaros, Rebecca A Simmons, Marisa S Bartolomei
Increasing evidence has demonstrated that exposure to endocrine disrupting chemicals (EDCs) impacts maternal and fetal health, but the underlying mechanisms are still unclear. We have previously shown that dietary exposure to 10 µg/kg bw/day and 10 mg/kg bw/day bisphenol A (BPA) during pregnancy induced metabolic abnormalities in F1 male offspring and gestational glucose intolerance in F0 pregnant mice. The aim of this study is to elucidate the underlying etiologies of BPA exposure-induced metabolic disease by analyzing male fetal liver metabolome...
May 25, 2017: Endocrinology
https://www.readbyqxmd.com/read/28547726/stroke-induces-mesenchymal-stem-cell-migration-to-infarcted-brain-areas-via-cxcr4-and-c-met-signaling
#2
Oh Young Bang, Gyeong Joon Moon, Dong Hee Kim, Ji Hyun Lee, Sooyoon Kim, Jeong Pyo Son, Yeon Hee Cho, Won Hyuk Chang, Yun-Hee Kim
Mesenchymal stem cells circulate between organs to repair and maintain tissues. Mesenchymal stem cells cultured with fetal bovine serum have therapeutic effects when intravenously administered after stroke. However, only a small number of mesenchymal stem cells reach the brain. We hypothesized that the serum from stroke patients increases mesenchymal stem cells trophism toward the infarcted brain area. Mesenchymal stem cells were grown in fetal bovine serum, normal serum from normal rats, or stroke serum from ischemic stroke rats...
May 25, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/28545116/n-terminal-pro-b-type-natriuretic-peptide-in-amniotic-fluid-of-fetuses-with-known-or-suspected-cardiac-load
#3
Christina Leufgen, Ulrich Gembruch, Birgit Stoffel-Wagner, Rolf Fimmers, Waltraut M Merz
BACKGROUND: Myocardial dysfunction occurs in a variety of fetal disorders. Findings from adult cardiology, where n-terminal pro-B-type natriuretic peptide (nt-proBNP) is an established biomarker of left ventricular dysfunction have been extended to fetal life. Since fetal blood sampling is technically challenging we investigated amniotic fluid nt-proBNP for its suitability to diagnose fetal myocardial dysfunction. METHODS: Ultrasound, Doppler examination and echocardiography was applied to classify cases and controls...
2017: PloS One
https://www.readbyqxmd.com/read/28544538/cornelia-de-lange-syndrome-to-diagnose-or-not-to-diagnose-in-utero
#4
REVIEW
Laura Avagliano, Gaetano Pietro Bulfamante, Valentina Massa
Cornelia de Lange syndrome (CdLS) is an inherited condition with a wide spectrum of phenotypic anomalies, consisting mainly of growth impairment, multi-organ abnormalities, and neurocognitive delay. Clinical diagnostic criteria after birth are well defined, whereas when to suspect the syndrome during intrauterine life still remains undefined. This review summarizes the main possible prenatal findings in CdLS, suggesting that a skilled ultrasound scan in cases of intrauterine growth restriction associated with other fetal abnormalities may improve the chance of prenatal diagnosis of CdLS, especially in families known to be at high risk...
May 22, 2017: Birth Defects Res
https://www.readbyqxmd.com/read/28542585/highly-efficient-maternal-fetal-zika-virus-transmission-in-pregnant-rhesus-macaques
#5
Sydney M Nguyen, Kathleen M Antony, Dawn M Dudley, Sarah Kohn, Heather A Simmons, Bryce Wolfe, M Shahriar Salamat, Leandro B C Teixeira, Gregory J Wiepz, Troy H Thoong, Matthew T Aliota, Andrea M Weiler, Gabrielle L Barry, Kim L Weisgrau, Logan J Vosler, Mariel S Mohns, Meghan E Breitbach, Laurel M Stewart, Mustafa N Rasheed, Christina M Newman, Michael E Graham, Oliver E Wieben, Patrick A Turski, Kevin M Johnson, Jennifer Post, Jennifer M Hayes, Nancy Schultz-Darken, Michele L Schotzko, Josh A Eudailey, Sallie R Permar, Eva G Rakasz, Emma L Mohr, Saverio Capuano, Alice F Tarantal, Jorge E Osorio, Shelby L O'Connor, Thomas C Friedrich, David H O'Connor, Thaddeus G Golos
Infection with Zika virus (ZIKV) is associated with human congenital fetal anomalies. To model fetal outcomes in nonhuman primates, we administered Asian-lineage ZIKV subcutaneously to four pregnant rhesus macaques. While non-pregnant animals in a previous study contemporary with the current report clear viremia within 10-12 days, maternal viremia was prolonged in 3 of 4 pregnancies. Fetal head growth velocity in the last month of gestation determined by ultrasound assessment of head circumference was decreased in comparison with biparietal diameter and femur length within each fetus, both within normal range...
May 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28540847/risk-factors-for-transmission-of-hiv-from-mother-to-child-in-bangui
#6
S C H Diemer, R N Ngbale, J D D Longo, O Bami Dienhot, C E Gaunefet
the prevalence of human immunodeficiency virus infection (HIV) in pregnant women in Central Africa is 4.5%. Although a program to prevent mother-child transmission of HIV has been implemented throughout the country, the number of infected infants continues to increase. In this context, our study sought to determine the rate of mother-child transmission of HIV and to identify the main risk factors. this prospective cross-sectional study took place from November 1, 2014, to November 1, 2015, in all 16 maternal and child health centers in Bangui...
May 24, 2017: Médecine et Santé Tropicales
https://www.readbyqxmd.com/read/28540100/relationship-between-sonographic-placental-thickness-and-gestational-age-in-normal-singleton-fetuses-in-enugu-southeast-nigeria
#7
K K Agwuna, C U Eze, P O Ukoha, U A Umeh
BACKGROUND: The accuracy of common ultrasound parameters for the estimation of gestational age (GA) decreases as pregnancy advances in age. Hence, there is need to explore other parameters that may complement the established fetal biometric parameters in predicting GA in late pregnancy. AIM: The aim of this study is to determine the relationship between the sonographic placental thickness (PT) and GA in the second and third trimesters. SUBJECTS AND METHODS: A cross-sectional study of 627 normal pregnant women with GA between 14 and 40 weeks was conducted at the University of Nigeria Teaching Hospital Ituku-Ozalla, Enugu from May 2013 to February 2014 by sonography...
November 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28539859/human-induced-pluripotent-stem-cells-generated-neural-cells-behaving-like-brain-and-spinal-cord-cells-an-insight-into-the-involvement-of-retinoic-acid-and-sonic-hedgehog-proteins
#8
Akinlolu Abdulazeez Adelaja
OBJECTIVES: The previous studies generated neural progenitor cells (NPCs) from human induced pluripotent stem cells (hiPSCs) using different protocols. However, the nature of the temporal or regional specificity of NPCs derived using these protocols is not well defined. Therefore, this study aimed to generate age- and region-specific NPCs from hiPSCs, which mimic in vivo fetal brain (FNPC-B) or spinal cord (FNPC-SC) tissues, in the absence or presence of retinoic acid (RA) and sonic hedgehog (SHH)...
April 2017: International Journal of Health Sciences
https://www.readbyqxmd.com/read/28539259/congenital-anomalies-in-tunisia-frequency-and-risk-factors
#9
Meriem Aloui, Kaouther Nasri, Abdel Majid Ben Hamida, Raja Marrakchi, Soumeya Siala Gaïgi
BACKGROUND: Despite the high risk of recurrence of congenital malformations, there are no well-accepted preventive measures in developing countries like Tunisia. It is recommended that thorough epidemiological studies of congenital anomalies in this country are needed. The aim of this study is to assess the frequency and types of congenital anomalies in Tunisia and research some risk factors associated with occurrence of these anomalies. METHODS: In this retrospective study, all the fetuses who were autopsied during 21 years period from February 1991 to December 2011 (N=9678) at service of embryofetopathology in the Center of Maternity and Neonatology of Tunis (CMNT) were studied...
May 21, 2017: J Gynecol Obstet Hum Reprod
https://www.readbyqxmd.com/read/28538572/intratendinous-injection-of-hydrogel-for-reseeding-decellularized-human-flexor-tendons
#10
Chao Long, Michael G Galvez, Anais Legrand, Lydia-Marie Joubert, Zhen Wang, Arhana Chattopadhyay, James Chang, Paige M Fox
BACKGROUND: Decellularized cadaveric tendons are a potential source for reconstruction. Reseeding to enhance healing is ideal; however, cells placed on the tendon surface result in inadequate delivery. The authors used an injection technique to evaluate intratendinous cell delivery. METHODS: Decellularized tendons were reseeded with adipose-derived stem cells in culture, and injected with fetal bovine serum or hydrogel. PKH26-stained cells in cross-section were quantified...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28538565/urinary-excretion-of-microrna-126-is-a-biomarker-for-hemangioma-proliferation
#11
Ayan Biswas, Xueliang Pan, Melissa Meyer, Savita Khanna, Sashwati Roy, Gregory Pearson, Richard Kirschner, Patricia Witman, Esteban Fernandez Faith, Chandan K Sen, Gayle M Gordillo
BACKGROUND: Hemangiomas are unique endothelial cell tumors that involute spontaneously, which makes interpreting their response to therapies difficult. The objective of this work was to identify a potential biomarker in the urine of children with infantile hemangiomas that would facilitate testing new therapies. METHODS: A prospective longitudinal study in children with hemangiomas and age-matched healthy controls was performed to determine whether microRNA-126, which is highly abundant in fetal endothelial cells, was more abundant in the urine of affected children...
June 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28537917/microrna-210-suppresses-glucocorticoid-receptor-expression-in-response-to-hypoxia-in-fetal-rat-cardiomyocytes
#12
Shannalee R Martinez, Qingyi Ma, Chiranjib Dasgupta, Xianmei Meng, Lubo Zhang
Hypoxia is a common intrauterine stressor, often resulting in intrauterine growth restriction and increased risk for cardiovascular disease later in life. The aim of this work was to test the hypothesis that microRNA-210 (miR-210) mediates the detrimental suppression of glucocorticoid receptor (GR) in response to hypoxia in fetal rat cardiomyocytes. Cardiomyocytes isolated from gestational day 21 Sprague Dawley fetal rats showed increased miR-210 levels and reduced GR abundance after exposure to ex vivo hypoxia (1% O2)...
May 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536927/involvement-of-the-dna-mismatch-repair-system-in-cisplatin-sensitivity-of-testicular-germ-cell-tumours
#13
Christiane Rudolph, Cecilie Melau, John E Nielsen, Kristina Vile Jensen, Dekang Liu, Javier Pena-Diaz, Ewa Rajpert-De Meyts, Lene Juel Rasmussen, Anne Jørgensen
BACKGROUND: Testicular germ cell tumours (TGCT) are highly sensitive to cisplatin-based chemotherapy, but patients with tumours containing differentiated teratoma components are less responsive to this treatment. The cisplatin sensitivity in TGCT has previously been linked to the embryonic phenotype in the majority of tumours, although the underlying mechanism largely remains to be elucidated. The aim of this study was to investigate the role of the DNA mismatch repair (MMR) system in the cisplatin sensitivity of TGCT...
May 23, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28536637/ppar%C3%AE-agonist-through-the-terminal-differentiation-phase-is-essential-for-adipogenic-differentiation-of-fetal-ovine-preadipocytes
#14
Yong Pu, Almudena Veiga-Lopez
BACKGROUND: Although the 3T3-L1 preadipocyte cell line represents an informative model for in vitro adipogenesis research, primary cultured cells are often needed to understand particular human or animal metabolic phenotypes. As demonstrated by in vitro cultured preadipocytes from large mammalian species, primary cultured cells require specific adipogenic differentiation conditions different to that of the 3T3-L1 cell line. These conditions are also species-specific and require optimization steps...
2017: Cellular & Molecular Biology Letters
https://www.readbyqxmd.com/read/28535908/cell-free-fetal-dna-testing-in-prenatal-diagnosis-recommendations-of-the-polish-gynecological-society-and-the-polish-human-genetics-society
#15
Piotr Sieroszewski, Mirosław Wielgos, Stanislaw Radowicki, Maria Sasiadek, Maciej Borowiec, Dariusz Borowski, Lucjusz Jakubowski, Piotr Kaczmarek, Anna Latos-Bielenska, Piotr Laudanski, Beata Nowakowska, Przemyslaw Oszukowski, Marek Pietryga, Krzysztof Piotrowski, Krzyszof Preis, Mariola Ropacka-Lesiak, Piotr Wegrzyn, Hanna Moczulska
This paper contains a joint position of the Polish Gynecological Society and Polish Human Genetics Society on the cell-free fetal DNA testing in prenatal diagnosis. We present situations where the cell-free fetal DNA testing should be applied and cases in which performing of the test is not useful. We indicate what diagnostic steps should be performed before the test and how the test results should be interpreted and followed.
May 12, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#16
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535404/placental-inflammation-and-its-relationship-to-cervicovaginal-fetal-fibronectin-in-preterm-birth
#17
Laura van der Krogt, Alexandra E Ridout, Paul T Seed, Andrew H Shennan
OBJECTIVE: Late miscarriage and preterm birth are frequently thought to be associated with inflammation and infection, although in most cases the underlying cause of early delivery remains unknown. The placenta is the organ that links mother and fetus during pregnancy, and postnatal examination may provide useful information about pathophysiology. The relationship between placental pathological lesions and predictive markers of early delivery has not been explored. We sought to characterize preterm deliveries according to placental pathology and relate these to the performance of reliable predictive markers, fetal fibronectin and cervical length...
May 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28535307/intergenerational-impact-of-paternal-lifetime-exposures-to-both-folic-acid-deficiency-and-supplementation-on-reproductive-outcomes-and-imprinted-gene-methylation
#18
Lundi Ly, Donovan Chan, Mahmoud Aarabi, Mylène Landry, Nathalie A Behan, Amanda J MacFarlane, Jacquetta Trasler
STUDY QUESTION: Do paternal exposures to folic acid deficient (FD), and/or folic acid supplemented (FS) diets, throughout germ cell development adversely affect male germ cells and consequently offspring health outcomes? SUMMARY ANSWER: Male mice exposed over their lifetimes to both FD and FS diets showed decreased sperm counts and altered imprinted gene methylation with evidence of transmission of adverse effects to the offspring, including increased postnatal-preweaning mortality and variability in imprinted gene methylation...
May 23, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28535281/the-relationship-between-surface-area-and-volume-of-common-blow-fly-diptera-calliphoridae-oviposition-sites-and-carrion-body-mass
#19
V A Pacheco, K R Hans, S L VanLaerhoven
Female blow flies (Diptera: Calliphoridae) demonstrate site preferences when ovipositing on carrion. Preference for oviposition sites is believed to reflect the suitability of the site such that the most preferred locations provide offspring with the greatest chance of survival. A number of factors might influence female choice, including area available for oviposition. For species known to aggregate during oviposition, the surface area of oviposition sites may be a key factor in the decision-making process...
May 23, 2017: Journal of Medical Entomology
https://www.readbyqxmd.com/read/28533516/asd-restricted-and-repetitive-behaviors-associated-at-17q21-33-genes-prioritized-by-expression-in-fetal-brains
#20
R M Cantor, L Navarro, H Won, R L Walker, J K Lowe, D H Geschwind
Autism spectrum disorder (ASD) is a behaviorally defined condition that manifests in infancy or early childhood as deficits in communication skills and social interactions. Often, restricted and repetitive behaviors (RRBs) accompany this disorder. ASD is polygenic and genetically complex, so we hypothesized that focusing analyses on intermediate core component phenotypes, such as RRBs, can reduce genetic heterogeneity and improve statistical power. Applying this approach, we mined Caucasian genome-wide association studies (GWAS) data from two of the largest ASD family cohorts, the Autism Genetics Resource Exchange and Autism Genome Project (AGP)...
May 23, 2017: Molecular Psychiatry
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