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https://www.readbyqxmd.com/read/29234304/hypothesis-on-the-role-of-cryptochromes-in-inflammation-and-subarachnoid-hemorrhage-outcome
#1
Adriano Barreto Nogueira, Ariel Barreto Nogueira, José Carlos Esteves Veiga, Manoel Jacobsen Teixeira
We have recently found that the temperature variability (TV) in the day-night cycle may predict the mean intracranial pressure in the following 24 h (ICP24) in subarachnoid hemorrhage (SAH) patients under multimodality monitoring, sedation, and hypothermia (<35°C). Specifically, we found that ICP24 = 6 (4 - TV) mmHg. TV is the ratio between the coefficient of variation of temperature during the nocturnal and the preceding diurnal periods. This result suggests that the circadian clock reflects brain plasticity mechanisms and its malfunctioning leads to deterioration of the neurologic status...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29229321/the-role-of-aspirin-heparin-and-other-interventions-in-the-prevention-and-treatment-of-fetal-growth-restriction
#2
REVIEW
Katie M Groom, Anna L David
Fetal growth restriction and related placental pathologies such as preeclampsia, stillbirth, and placental abruption are believed to arise in early pregnancy when inadequate remodeling of the maternal spiral arteries leads to persistent high-resistance and low-flow uteroplacental circulation. The consequent placental ischaemia, reperfusion injury, and oxidative stress are associated with an imbalance in angiogenic/antiangiogenic factors. Many interventions have centered on the prevention and/or treatment of preeclampsia with results pertaining to fetal growth restriction and small-for-gestational-age pregnancy often included as secondary outcomes because of the common pathophysiology...
December 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29221571/micrornas-milk-s-epigenetic-regulators
#3
REVIEW
Bodo C Melnik, Gerd Schmitz
Our perception of milk has changed from a "simple food" to a highly sophisticated maternal-neonatal nutrient and communication system orchestrating early programming of the infant. Milk miRNAs delivered by exosomes and milk fat globules derived from mammary gland epithelial cells play a key role in this process. Exosomes resist the harsh intestinal environment, are taken up by intestinal cells via endocytosis, and reach the systemic circulation of the milk recipient. The most abundant miRNA found in exosomes and milk fat globules of human and cow's milk, miRNA-148a, attenuates the expression of DNA methyltransferase 1, which is critically involved in epigenetic regulation...
August 2017: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29221570/neohormones-in-milk
#4
REVIEW
Richard Ivell, Ravinder Anand-Ivell
Neohormone systems evolved specifically to regulate those mammalian traits, such as internal fertilization, pregnancy and lactation, which have proved to be central to the success, environmental independence, and adaptability of mammals as a vertebrate group. Neohormones such as oxytocin or relaxin are not only involved in the regulation of mammary gland development and function, but are also significant components of milk itself. Particularly for the latter hormone, it has been shown for the pig that relaxin in the first milk is taken up by the gastrointestinal tract of the offspring, enters the neonatal circulation and can have specific physiological and epigenetic effects on target organs such as the female reproductive system...
August 2017: Best Practice & Research. Clinical Endocrinology & Metabolism
https://www.readbyqxmd.com/read/29204137/microbial-mechanistic-insight-into-the-role-of-inulin-in-improving-maternal-health-in-a-pregnant-sow-model
#5
Pan Zhou, Yang Zhao, Pan Zhang, Yan Li, Taotao Gui, Jun Wang, Chao Jin, Lianqiang Che, Jian Li, Yan Lin, Shengyu Xu, Bin Feng, Zhengfeng Fang, De Wu
General consumption of "western diet" characterized by high refined carbohydrates, fat and energy intake has resulted in a global obesity epidemics and related metabolic disturbance even for pregnant women. Pregnancy process is accompanied by substantial hormonal, metabolic and immunological changes during which gut microbiota is also remarkably remodeled. Dietary fiber has been demonstrated to have a striking role in shifting the microbial composition so as to improve host metabolism and health in non-pregnant individuals...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29204053/induction-of-precocious-intestinal-maturation-in-t-cell-deficient-athymic-neonatal-rats
#6
Ester Arévalo Sureda, Catherine Gidlund, Björn Weström, Olena Prykhodko
AIM: To investigate whether gut maturation could be induced precociously in an athymic T-cell deficient neonatal rat model. METHODS: Fourteen day-old athymic (nude) rats (NIH-Foxn1rnu) were gavaged with either phytohaemagglutinin - a lectin from red kidney beans (PHA); trypsin - a protease (Prot); or water - vehicle (control) as a single dose on one day or once a day for 3-day. The nude rats were either nurtured by their mothers or cross-fostered by conventional foster dams of the Sprague-Dawley strain from days 3-5 after birth...
November 14, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29196501/vitamin-d-binding-protein-rs7041-genotype-alters-vitamin-d-metabolism-in-pregnant-women
#7
Ariel B Ganz, Heyjun Park, Olga V Malysheva, Marie A Caudill
Research has identified reduced circulating 25-hydroxyvitamin D [25(OH)D] in individuals with the rs7041 (c.1296T>G) T allele in the vitamin D binding protein gene (GC); however, the effects of the T allele on vitamin D biomarkers during pregnancy and lactation are unknown. Thus, we examined the metabolic effects of GC rs7041 on vitamin D biomarkers among third-trimester pregnant (n = 26), lactating (n = 28), and nonpregnant/nonlactating (n = 21) women consuming a single amount of vitamin D (511 IU/d) and related nutrients for 10-12 wk...
December 1, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29190635/neonatal-lupus-case-series-of-a-tertiary-hospital
#8
Ana Raquel Teixeira, Mariana Rodrigues, Hercília Guimarães, Cláudia Moura, Iva Brito
Neonatal lupus (NL) is a very rare condition with an estimated incidence of 1 in 20.000 pregnancies. It is caused by the transplacental passage of autoantibodies anti-Ro/SSA, antiSa/SSB antibodies and/or anti-U1 RNP antibodies into the fetal circulation. The mother may be completely asymptomatic or have a known inflammatory rheumatic disease, such as Sjögren syndrome (SS) or Systemic Lupus Erythematosus (SLE). Clinical manifestations are diverse, being the most common cutaneous and cardiac. The authors present a case series of eight cases diagnosed with NL between January 2008 and December 2016 in a tertiary hospital and a brief revision of the literature...
November 29, 2017: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/29188622/-two-false-negative-cases-in-noninvasive-prenatal-testing-for-fetal-chromosomal-aneuploidies
#9
Ping Wen, Ying Xue, Qin Zhang, Qing Liang, Qiong Li, Haibo Li, Jie Ding, Hong Li, Ting Wang
OBJECTIVE: To explore the limitation of non-invasive prenatal testing (NIPT) technique through analyzing two false negative cases. METHODS: Chromosomal karyotyping analysis was performed on umbilical cord blood sample derived from case 1 at 24 weeks' gestation and peripheral blood sample derived from the neonate of case 2. Placental tissues of case 1 and peripheral blood sample of case 2 were also analyzed by high-throughput sequencing for copy number variations (CNVs)...
December 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29187760/the-exit-ex-utero-intrapartum-treatment-procedure-from-the-paediatric-ent-perspective
#10
B Pucher, J Szydlowski, K Jonczyk-Potoczna, J Sroczynski
The main principle of the EXIT procedure is to maintain uteroplacental circulation with neonatal anaesthesia by controlled uterine hypotonia. This enables securing the foetal airways and decompress or resect large neck and mediastinal foetal masses. The authors present their experience with use of the EXIT procedure in 7 foetuses in whom evaluation and management of the airways were performed. In 4 patients, the neck mass was surgically removed in the neonatal period, in 1 the propranolol treatment was introduced...
November 30, 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29187642/irisin-protects-mitochondria-function-during-pulmonary-ischemia-reperfusion-injury
#11
Ken Chen, Zaicheng Xu, Yukai Liu, Zhen Wang, Yu Li, Xuefei Xu, Caiyu Chen, Tianyang Xia, Qiao Liao, Yonggang Yao, Cindy Zeng, Duofen He, Yongjian Yang, Tao Tan, Jianxun Yi, Jingsong Zhou, Hua Zhu, Jianjie Ma, Chunyu Zeng
Limb remote ischemic preconditioning (RIPC) is an effective means of protection against ischemia/reperfusion (IR)-induced injury to multiple organs. Many studies are focused on identifying endocrine mechanisms that underlie the cross-talk between muscle and RIPC-mediated organ protection. We report that RIPC releases irisin, a myokine derived from the extracellular portion of fibronectin domain-containing 5 protein (FNDC5) in skeletal muscle, to protect against injury to the lung. Human patients with neonatal respiratory distress syndrome show reduced concentrations of irisin in the serum and increased irisin concentrations in the bronchoalveolar lavage fluid, suggesting transfer of irisin from circulation to the lung under physiologic stress...
November 29, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29187105/immune-abnormalities-in-patients-with-single-ventricle-circulation-precede-the-fontan-procedure
#12
Lubica Kovacikova, Veronika Krasnanova, Peter Skrak, Martin Zahorec, Andrea Kantorova, Jana Semberova, Ljuba Bacharova
BACKGROUND: Immune abnormalities are common in Fontan patients with protein-losing enteropathy. Limited data exist on immune function of other patients with single ventricle circulation. METHODS: This prospective cohort study evaluated immunologic characteristics of children with single ventricle circulation from neonatal age up to early post-Fontan period. RESULTS: Low leukocyte counts were observed in half of the patients prior to bidirectional Glenn and Fontan surgery...
November 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29159461/severe-hyperammonemic-encephalopathy-requiring-dialysis-aggravated-by-prolonged-fasting-and-intermittent-high-fat-load-in-a-ramadan-fasting-month-in-a-patient-with-cptii-homozygous-mutation
#13
P Phowthongkum, C Ittiwut, V Shotelersuk
BACKGROUND: Carnitine palmitoyltransferase II (CPTII) deficiency is a mitochondrial fatty acid oxidation disorder that can present antenatally as congenital brain malformations, or postnatally with lethal neonatal, severe infantile, or the most common adult myopathic forms. No case of severe hyperammonemia without liver dysfunction has been reported. CASE PRESENTATION: We described a 23-year-old man who presented to the emergency department with seizures and was found to have markedly elevation of serum ammonia...
November 21, 2017: JIMD Reports
https://www.readbyqxmd.com/read/29153685/effects-of-delivery-on-maternal-neonatal-irisin-levels-in-normal-and-preeclamptic-pregnant-women
#14
Ashraf A Foda, Engy A Foda
STUDY OBJECTIVE: The aim of this work was to measure the irisin levels in maternal and umbilical cord serums at cesarean section and vaginal delivery. STUDY DESIGN: This is a case-control study conducted at the Obstetric Department of the Mansoura University Hospital, Mansoura University, Egypt. MATERIAL AND METHODS: The 150 nulliparous cases were divided into three groups. MAIN OUTCOME MEASURE: Serum irisin concentrations were assayed by enzyme-linked immunosorbent assay (ELISA) method...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29149816/maternal-dyslipidaemia-in-pregnancy-with-gestational-diabetes-mellitus-possible-impact-in-the-foetoplacental-vascular-function-and-the-lipoprotein-in-the-neonatal-circulation
#15
Susana Contreras-Duarte, Lorena Carvajal, Barbara Fuenzalida, Claudette Cantin, Luis Sobrevia, Andrea Leiva
Dyslipidaemia occurs in pregnancy to secure foetal development. The mother shows a physiological increase in plasma total cholesterol and triglycerides (TG) as pregnancy progresses (i.e. maternal physiological dyslipidaemia in pregnancy). However, in some women pregnancy-associated dyslipidaemia exceeds this physiological adaptation. The consequences of this condition on the developing foetus include endothelial dysfunction of the foetoplacental vasculature and development of foetal aortic atherosclerosis. Gestational diabetes mellitus (GDM) associates with abnormal function of the foetoplacental vasculature due to foetal hyperglycaemia and hyperinsulinaemia, and associates with development of cardiovascular disease in adulthood...
November 16, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/29138256/low-neonatal-plasma-n-6-n-3-pufa-ratios-regulate-offspring-adipogenic-potential-and-condition-adult-obesity-resistance
#16
Michael C Rudolph, Matthew R Jackman, David M Presby, Julie A Houck, Patricia G Webb, Ginger C Johnson, Taylor K Soderborg, Becky A de la Houssaye, Ivana V Yang, Jacob E Friedman, Paul S MacLean
Adipose tissue expansion (ATE) progresses rapidly during postnatal life, influenced by both prenatal maternal factors and postnatal developmental cues. The ratio of n-6 relative to n-3 polyunsaturated fatty acids (PUFA) is thought to regulate perinatal adipogenesis, but the cellular mechanisms and long-term effects are not well understood. We lowered the fetal and postnatal n-6/n-3 PUFA ratio exposure in wildtype offspring, under standard maternal dietary fat amounts, to test effects of low n-6/n-3 ratios on offspring adipogenesis and adipogenic potential...
November 14, 2017: Diabetes
https://www.readbyqxmd.com/read/29138200/assessing-the-consequences-of-gestational-diabetes-mellitus-on-offspring-s-cardiovascular-health-mysweetheart-cohort-study-protocol-switzerland
#17
Stefano Di Bernardo, Yvan Mivelaz, Adina Mihaela Epure, Yvan Vial, Umberto Simeoni, Pascal Bovet, Sandrine Estoppey Younes, Arnaud Chiolero, Nicole Sekarski
INTRODUCTION: Gestational diabetes mellitus (GDM) is a state of glucose intolerance with onset during pregnancy. GDM carries prenatal and perinatal risks as well as long-term risks for the mother and her child. GDM may be involved in the foetal programming of long-term cardiovascular health. However, evidence is sparse and the effect of GDM on cardiovascular health is unknown. To address these issues, we will conduct MySweetHeart Cohort study. The objectives are to assess the effect of GDM on offspring's cardiovascular health early in life by using surrogate markers of cardiovascular disease and atherosclerosis...
November 14, 2017: BMJ Open
https://www.readbyqxmd.com/read/29137132/maternal-vitamin-d-status-and-the-relationship-with-neonatal-anthropometric-and-childhood-neurodevelopmental-outcomes-results-from-the-seychelles-child-development-nutrition-study
#18
Eamon Laird, Sally W Thurston, Edwin van Wijngaarden, Conrad F Shamlaye, Gary J Myers, Philip W Davidson, Gene E Watson, Emeir M McSorley, Maria S Mulhern, Alison J Yeates, Mary Ward, Helene McNulty, J J Strain
Vitamin D has an important role in early life; however, the optimal vitamin D status during pregnancy is currently unclear. There have been recent calls for pregnant women to maintain circulating 25-hydroxyvitamin D (25(OH)D) concentrations >100 nmol/L for health, yet little is known about the long-term potential benefits or safety of achieving such high maternal 25(OH)D concentrations for infant or child health outcomes. We examined maternal vitamin D status and its associations with infant anthropometric and later childhood neurocognitive outcomes in a mother-child cohort in a sun-rich country near the equator (4...
November 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29133856/therapeutic-targeting-of-extracellular-dna-improves-the-outcome-of-intestinal-ischemic-reperfusion-injury-in-neonatal-rats
#19
Michael Boettcher, Georg Eschenburg, Stefan Mietzsch, Miguel Jiménez-Alcázar, Michaela Klinke, Deirdre Vincent, Bastian Tiemann, Robert Bergholz, Konrad Reinshagen, Tobias A Fuchs
Thrombosis and inflammation cooperate in the development of intestinal infarction. Recent studies suggest that extracellular DNA released by damaged cells or neutrophils in form of extracellular traps (NETs) contributes to organ damage in experimental models of ischemia-reperfusion injury. Here we compared the therapeutic effects of targeting fibrin or extracellular DNA in intestinal infarction after midgut volvulus in rats. Following iatrogenic midgut volvulus induction for 3 hours, we treated animals with a combination of tissue plasminogen activator (tPA) and low molecular weight heparin (LMWH) to target fibrin or with DNase1 to degrade extracellular DNA...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29130077/study-of-the-factors-leading-to-fetal-and-neonatal-dysthyroidism-in-children-of-patients-with-graves-disease
#20
Maïa Banigé, Candice Estellat, Valerie Biran, Luc Desfrere, Valerie Champion, Alexandra Benachi, Yves Ville, Marc Dommergues, Pierre-Henri Jarreau, Mostafa Mokhtari, Claire Boithias, Frederic Brioude, Laurent Mandelbrot, Pierre-François Ceccaldi, Delphine Mitanchez, Michel Polak, Dominique Luton
Context: Neonatal hyperthyroidism was first described in 1912 and in 1964 was shown to be linked to transplacental passage of maternal antibodies. Few multicenter studies have described the perinatal factors leading to fetal and neonatal dysthyroidism. Objective: To show how fetal dysthyroidism (FD) and neonatal dysthyroidism (ND) can be predicted from perinatal variables, in particular, the levels of anti-thyrotropin receptor antibodies (TRAbs) circulating in the mother and child...
June 2017: Journal of the Endocrine Society
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