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https://www.readbyqxmd.com/read/29149263/vitamin-d-and-assisted-reproductive-treatment-outcome-a-systematic-review-and-meta-analysis
#1
Justin Chu, Ioannis Gallos, Aurelio Tobias, Bee Tan, Abey Eapen, Arri Coomarasamy
STUDY QUESTION: Is serum vitamin D associated with live birth rates in women undergoing ART? SUMMARY ANSWER: Women undergoing ART who are replete in vitamin D have a higher live birth rate than women who are vitamin D deficient or insufficient. WHAT IS KNOWN ALREADY: Vitamin D deficiency has been associated with an increased risk of abnormal pregnancy implantation as well as obstetric complications such as pre-eclampsia and fetal growth restriction...
November 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29142763/array-characterization-of-prenatally-diagnosed-15q26-microdeletion-and-2q37-1-duplication-report-of-a-new-case-with-multicystic-kidneys-and-review-of-the-literature
#2
Molka Kammoun, Wafa Slimani, Hanene Hannachi, Mohamed Bibi, Ali Saad, Soumaya Mougou-Zerelli
We report on a molecular cytogenetic characterization of 15q26 deletion and 2q37.1 duplication in a fetus presenting with intrauterine growth restriction (IUGR), diaphragmatic hernia, multicystic kidneys, left kidney pyelectasis, and clubfeet. A terminal 15q26 deletion and a terminal 2q duplication of at least 10 and 9 Mb, respectively, derived from a maternal translocation, were found. The 15q26 deletion represents a contiguous gene deletion syndrome mainly characterized by IUGR, congenital diaphragmatic hernia, and less frequently kidney defects...
December 2017: Journal of Pediatric Genetics
https://www.readbyqxmd.com/read/29138679/modulatory-mechanism-of-polyphenols-and-nrf2-signaling-pathway-in-lps-challenged-pregnancy-disorders
#3
REVIEW
Tarique Hussain, Bie Tan, Gang Liu, Ghulam Murtaza, Najma Rahu, Muhammad Saleem, Yulong Yin
Early embryonic loss and adverse birth outcomes are the major reproductive disorders that affect both human and animals. The LPS induces inflammation by interacting with robust cellular mechanism which was considered as a plethora of numerous reproductive disorders such as fetal resorption, preterm birth, teratogenicity, intrauterine growth restriction, abortion, neural tube defects, fetal demise, and skeletal development retardation. LPS-triggered overproduction of free radicals leads to oxidative stress which mediates inflammation via stimulation of NF-κB and PPARγ transcription factors...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29130966/itraq-based-proteomic-analysis-of-neonatal-kidney-from-offspring-of-protein-restricted-rats-reveals-abnormalities-in-intraflagellar-transport-proteins
#4
Xiaomei Liu, Jun Wang, Linlin Gao, Hao Liu, Caixia Liu
BACKGROUND: It is well recognized that adverse events in utero can impair fetal development and lead to the development of kidney injury and hypertension in adulthood. We previously reported a lower kidney index, glomeruli number, and decreased glomerular filtration rate in intrauterine growth restriction (IUGR) offspring induced by maternal protein malnutrition. To explore the molecular mechanisms linking impaired fetal growth to renal diseases, we investigated differentially expressed proteins (DEPs) in the IUGR neonatal kidneys by isobaric tags for relative and absolute quantitation (iTRAQ) analysis...
November 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29130759/preeclampsia-in-pregnancies-complicated-by-sle-nephritis-prophylactic-treatment-with-multidisciplinary-approach-are-important-keys-to-prevent-adverse-obstetrics-outcomes
#5
Federico Mecacci, Serena Simeone, Calogero Lino Cirami, Mauro Cozzolino, Caterina Serena, Marianna Pina Rambaldi, Pamela Gallo, Lorenzo Emmi, Daniele Cammelli, Giorgio Mello, Marco Matucci Cerinic
INTRODUCTION: Systemic lupus erythematosus (SLE) commonly affects women of childbearing age. Hypertension, antiphospholipid syndrome and lupus nephritis are risk factors for adverse maternal/fetal outcome. The aim of this retrospective cohort study is to compare pregnancy outcomes in patients with and without SLE nephritis, using a multidisciplinary approach and a broad prophylaxis protocol. MATERIALS AND METHODS: Data were collected from 86 pregnancies complicated by SLE...
November 12, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29129461/-aspirin-indications-and-use-during-pregnancy
#6
N Belhomme, C Doudnikoff, E Polard, B Henriot, H Isly, P Jego
Aspirin (acetylsalicylic acid) has been used ever since the Antiquity for its painkilling and anti-inflammatory effects. Its antiplatelet properties have then extended its indications to the field of coronaropathy and vascular cerebral disease, and finally to vascular placental disease. Aspirin has been widely prescribed since the 1980's to prevent pre-eclampsia, intra-uterine growth retardation and fetal death of vascular origin. It has also been proposed to prevent unexplained recurrent miscarriages. Its use during pregnancy is considered as safe, provided the daily doses do not exceed 100mg...
November 9, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/29127477/maternal-adipose-tissue-becomes-a-source-of-fatty-acids-for-the-fetus-in-fasted-pregnant-rats-given-diets-with-different-fatty-acid-compositions
#7
Iliana López-Soldado, Henar Ortega-Senovilla, Emilio Herrera
PURPOSE: The utilization of long-chain polyunsaturated fatty acids (LCPUFA) by the fetus may exceed its capacity to synthesize them from essential fatty acids, so they have to come from the mother. Since adipose tissue lipolytic activity is greatly accelerated under fasting conditions during late pregnancy, the aim was to determine how 24 h fasting in late pregnant rats given diets with different fatty acid compositions affects maternal and fetal tissue fatty acid profiles. METHODS: Pregnant Sprague-Dawley rats were given isoenergetic diets containing 10% palm-, sunflower-, olive- or fish-oil...
November 10, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/29125628/genomics-based-non-invasive-prenatal-testing-for-detection-of-fetal-chromosomal-aneuploidy-in-pregnant-women
#8
REVIEW
Mylène Badeau, Carmen Lindsay, Jonatan Blais, Leon Nshimyumukiza, Yemisi Takwoingi, Sylvie Langlois, France Légaré, Yves Giguère, Alexis F Turgeon, William Witteman, François Rousseau
BACKGROUND: Common fetal aneuploidies include Down syndrome (trisomy 21 or T21), Edward syndrome (trisomy 18 or T18), Patau syndrome (trisomy 13 or T13), Turner syndrome (45,X), Klinefelter syndrome (47,XXY), Triple X syndrome (47,XXX) and 47,XYY syndrome (47,XYY). Prenatal screening for fetal aneuploidies is standard care in many countries, but current biochemical and ultrasound tests have high false negative and false positive rates. The discovery of fetal circulating cell-free DNA (ccfDNA) in maternal blood offers the potential for genomics-based non-invasive prenatal testing (gNIPT) as a more accurate screening method...
November 10, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29122542/twin-twin-transfusion-syndrome-what-we-have-learned-from-clinical-trials
#9
REVIEW
Fatiha Djaafri, Julien Stirnemann, Imen Mediouni, Claire Colmant, Yves Ville
Monochorionic twin pregnancies are at increased risk for adverse outcome compared to dichorionic twin pregnancies and singletons. Monochorionic-specific complications include twin-twin transfusion syndrome (TTTS), twin anemia-polycythemia sequence, single intrauterine fetal demise and its consequences on the co-twin, and selective intrauterine growth restriction. Whereas the natural history of monochorionic-specific complications carries a high risk of fetal death or severe neurologic disability, a framework now exists, based on well-designed clinical trials, for optimal treatment of these entities...
November 6, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29121743/profiling-of-cardiovascular-and-cerebrovascular-disease-associated-microrna-expression-in-umbilical-cord-blood-in-gestational-hypertension-preeclampsia-and-fetal-growth-restriction
#10
Ilona Hromadnikova, Katerina Kotlabova, Katarina Ivankova, Yulia Vedmetskaya, Ladislav Krofta
BACKGROUND AND METHODS: Gene expression of 29 cardiovascular and cerebrovascular disease associated microRNAs was assessed in whole umbilical cord blood, compared between groups [47 gestational hypertension (GH), 56 preeclampsia (PE), 37 fetal growth restriction (FGR) and 44 normal pregnancies] and correlated with the severity of the disease with respect to clinical signs (mild PE vs. severe PE), delivery date (before and after 34weeks of gestation), and Doppler ultrasound parameters [pulsatility index (PI) in the umbilical artery, PI in the middle cerebral artery and the cerebroplacental ratio]...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/29120452/vascular-aging-and-cardiac-maladaptation-in-growth-restricted-preterm-infants
#11
A Sehgal, B J Allison, S M Gwini, S Menahem, S L Miller, G R Polglase
OBJECTIVE: To assess arterial morphology and mechanics in preterm infants with fetal growth restriction (FGR) compared with those appropriate for gestational age (AGA) in the early neonatal period. STUDY DESIGN: This observational study involved 20 preterm FGR infants (28 to 32 weeks) of gestational age (GA) and birth weight (BW) <10th centile and 20 preterm AGA infants. Vascular ultrasound was performed to measure aortic properties. RESULTS: GA and BW of FGR and AGA infants were 29...
November 9, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29117653/effect-of-delivery-and-episiotomy-on-the-emergence-of-urinary-incontinence-in-women-review-of-literature
#12
Krešimir Živković, Nikica Živković, Tomislav Župić, Damir Hodžić, Vjekoslav Mandić, Slavko Orešković
Episiotomy is obstetric procedure during which the incision extends the vestibule of the vagina during the second stage of labor. Episiotomy was extensively spread with gradual increase of rates in the first half of the 20th century and was performed medio-laterally in all nulliparous women with the idea to protect fetal head from trauma and pelvic floor from injuries. However, reports claiming that episiotomy had no such benefits were published. It was shown that routine medio-lateral episiotomy did not protect against the appearance of urinary incontinence after vaginal delivery, while the risk of anal incontinence could be increased...
December 2016: Acta Clinica Croatica
https://www.readbyqxmd.com/read/29117563/outcomes-of-congenital-zika-disease-depend-on-timing-of-infection-and-maternal-fetal-interferon-action
#13
Jinling Chen, Yuejin Liang, Panpan Yi, Lanman Xu, Hal K Hawkins, Shannan L Rossi, Lynn Soong, Jiyang Cai, Ramkumar Menon, Jiaren Sun
Zika virus (ZIKV) infection during pregnancy in humans results in intrauterine growth restriction, spontaneous abortion, and microcephaly. Here, we found that fetus-derived type I interferon (IFN-I) signaling can enhance anti-ZIKV responses and provide clinical benefits to the fetus. Because IFN-λ shares signaling cascades and antiviral functions with IFN-I, we investigated the in vivo effects of IFN-λ in ZIKV-infected pregnant mice. IFN-λ administration during mid-pregnancy reduced ZIKV burden in maternal and fetal organs and alleviated placental injuries and fetal demise...
November 7, 2017: Cell Reports
https://www.readbyqxmd.com/read/29116012/connexin-32-and-connexin-43-are-involved-in-lineage-restriction-of-hepatic-progenitor-cells-to-hepatocytes
#14
Haiyun Pei, Chao Zhai, Huilin Li, Fang Yan, Jinhua Qin, Hongfeng Yuan, Rui Zhang, Shuyong Wang, Wencheng Zhang, Mingyang Chang, Yunfang Wang, Xuetao Pei
BACKGROUND: Bi-potential hepatic progenitor cells can give rise to both hepatocytes and cholangiocytes, which is the last phase and critical juncture in terms of sequentially hepatic lineage restriction from any kind of stem cells. If their differentiation can be controlled, it might access to functional hepatocytes to develop pharmaceutical and biotechnology industries as well as cell therapies for end-stage liver diseases. METHODS: In this study, we investigated the influence of Cx32 and Cx43 on hepatocyte differentiation of WB-F344 cells by in vitro gain and loss of function analyses...
November 7, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29115693/effects-of-fetal-growth-restriction-and-preterm-birth-on-cardiac-morphology-and-function-during-infancy
#15
Emily Cohen, Christie Whatley, Flora Y Wong, Euan M Wallace, Joanne C Mockler, Alexsandria Odoi, Samantha Hollis, Rosemary S C Horne, Stephanie R Yiallourou
AIM: To investigate the effects of fetal growth restriction (FGR) and prematurity on cardiac morphology and function in infancy. We hypothesized that FGR and prematurity would both alter cardiac development. METHODS: Cardiac morphology and function were evaluated in 24 preterm FGR infants (p-FGR) and 23 preterm and 19 term appropriately-grown-for-gestational-age infants (p-AGA and t-AGA, respectively) by conventional echocardiography and Tissue Doppler Imaging. p-FGR and p-AGA infants were studied on postnatal Day One and all groups were studied at one and six months post-term age...
November 8, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29113718/pregnancy-outcomes-in-women-with-previous-gestational-hypertension-a-cohort-study-to-guide-counselling-and-management
#16
Diane Nzelu, Dan Dumitrascu-Biris, Katharine F Hunt, Mark Cordina, Nikos A Kametas
OBJECTIVES: In pregnant women with previous gestational hypertension: to compare the prevalence of preeclampsia as defined by the 2001 versus the 2014 International Society for the Study of Hypertension in Pregnancy (ISSHP) criteria, to determine the rates of fetal growth restriction (FGR) as defined, not only by birthweight centile, but in combination with fetal ultrasound studies and, finally, to determine rates of other related outcomes such as gestational diabetes (GDM) and obstetric cholestasis (OC)...
November 4, 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29113299/microrna-210-suppresses-glucocorticoid-receptor-expression-in-response-to-hypoxia-in-fetal-rat-cardiomyocytes
#17
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)...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113124/role-of-placental-vdr-expression-and-function-in-common-late-pregnancy-disorders
#18
REVIEW
Julia Knabl, Aurelia Vattai, Yao Ye, Julia Jueckstock, Stefan Hutter, Franz Kainer, Sven Mahner, Udo Jeschke
Vitamin D, besides its classical role in bone metabolism, plays a distinct role in multiple pathways of the feto-maternal unit. Calcitriol is the major active ligand of the nuclear vitamin D receptor (VDR). The vitamin D receptor (VDR) is expressed in different uteroplacental parts and exerts a variety of functions in physiologic pregnancy. It regulates decidualisation and implantation, influences hormone secretion and placental immune modulations. This review highlights the role of the vitamin D receptor in physiologic and disturbed pregnancy, as preeclampsia, fetal growth restriction, gestational diabetes and preterm birth...
November 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29110317/fetal-growth-standards-in-gastroschisis-reference-values-for-ultrasound-measurements
#19
Mariane Massaini Barbieri, João Renato Bennini, Marcelo Luís Nomura, Sirlei Siani Morais, Fernanda Garanhani Surita
OBJECTIVES: To create growth curves based on ultrasonography biometric parameters of fetuses with gastroschisis, comparing them with normal growth standards and to analyze umbilical artery (AU) Doppler velocimetry patterns. METHODS: A cohort study of 72 fetuses with gastroschisis, at gestational ages between 14 and 39 weeks was designed. Mean and standard deviation were calculated, with the 5th, 10th, 50th, 90th and 95th centiles being established for biometric parameters according to gestational age...
November 7, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/29109771/selective-targeting-of-a-novel-vasodilator-to-the-uterine-vasculature-to-treat-impaired-uteroplacental-perfusion-in-pregnancy
#20
Natalie Cureton, Iana Korotkova, Bernadette Baker, Susan Greenwood, Mark Wareing, Venkata R Kotamraju, Tambet Teesalu, Francesco Cellesi, Nicola Tirelli, Erkki Ruoslahti, John D Aplin, Lynda K Harris
Fetal growth restriction (FGR) in pregnancy is commonly caused by impaired uteroplacental blood flow. Vasodilators enhance uteroplacental perfusion and fetal growth in humans and animal models; however, detrimental maternal and fetal side effects have been reported. We hypothesised that targeted uteroplacental delivery of a vasodilator would enhance drug efficacy and reduce the risks associated with drug administration in pregnancy. Phage screening identified novel peptides that selectively accumulated in the uteroplacental vasculature of pregnant mice...
2017: Theranostics
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