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https://www.readbyqxmd.com/read/29468621/fusarium-brain-abscess-in-a-patient-with-diabetes-mellitus-and-liver-cirrhosis
#1
Yu-Ju Chen, Chao-Liang Chou, Kuan-Ju Lai, Ya-Ju Lin Lin
PURPOSE: Invasive mycosis caused by the Aspergillus, Fusarium, and Mucor can be fetal, especially in the immunocompromised patients with central nervous system (CNS) involvement. Here we present a case of CNS Fusarium infection, and this is the first reported case of Fusarium brain abscess in Taiwan. CASE REPORT: A 65-year-old woman presented with fever and conscious disturbance for 3 days. Neurological examination showed stupor consciousness, neck stiffness, multiple cranial nerves palsy, and bilateral Babinski signs...
September 15, 2017: Acta Neurologica Taiwanica
https://www.readbyqxmd.com/read/29466901/modified-isth-pregnancy-specific-dic-score-in-parturients-with-liver-rupture-population-based-case-series
#2
Ranit Hizkiyahu, Anat Rabinovich, Jecko Thachil, Eyal Sheiner, Gad Shaked, Gilbert Sebbag, Eli Maymon, Offer Erez
OBJECTIVES: Liver rupture and hematoma are rare life-threatening complications of pregnancy. The aims of the current study are to: (1) characterize in a population-based study all cases of liver hematoma and/or rupture; and (2) validate the utility of the International Society on Thrombosis and Haemostasis (ISTH) modified pregnancy specific disseminated intravascular coagulation (DIC) score in those cases. STUDY DESIGN: A retrospective cohort study including all patients with liver subcapsular hematoma or rupture between the years 1996 and 2012 was conducted...
February 21, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29463401/niche-signals-and-transcription-factors-involved-in-tissue-resident-macrophage-development
#3
Wouter T'Jonck, Martin Guilliams, Johnny Bonnardel
Tissue-resident macrophages form an essential part of the first line of defense in all tissues of the body. Next to their immunological role, they play an important role in maintaining tissue homeostasis. Recently, it was shown that they are primarily of embryonic origin. During embryogenesis, precursors originating in the yolk sac and fetal liver colonize the embryonal tissues where they develop into mature tissue-resident macrophages. Their development is governed by two distinct sets of transcription factors...
February 13, 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29447203/quantification-of-fetal-organ-volume-and-fat-deposition-following-in-utero-exposure-to-maternal-western-diet-using-mri
#4
Kevin J Sinclair, Lanette J Friesen-Waldner, Colin M McCurdy, Curtis N Wiens, Trevor P Wade, Barbra de Vrijer, Timothy R H Regnault, Charles A McKenzie
PURPOSE: To examine the feasibility of using MRI to identify differences in liver size and fat deposition in fetal guinea pigs exposed to an in utero environment influenced by maternal consumption of a Western diet. MATERIALS AND METHODS: Female guinea pigs fed either an energy-dense Western Diet (WD), comprised of increased saturated fats and simple sugars, or a Control Diet (CD) from weaning through pregnancy, underwent MR scanning near term (~ 60 days; term ~ 69 days)...
2018: PloS One
https://www.readbyqxmd.com/read/29444856/placental-physiology-monitored-by-hyperpolarized-dynamic-13-c-magnetic-resonance
#5
Stefan Markovic, Anne Fages, Tangi Roussel, Ron Hadas, Alexander Brandis, Michal Neeman, Lucio Frydman
Placental functions, including transport and metabolism, play essential roles in pregnancy. This study assesses such processes in vivo , from a hyperpolarized MRI perspective. Hyperpolarized urea, bicarbonate, and pyruvate were administered to near-term pregnant rats, and all metabolites displayed distinctive behaviors. Little evidence of placental barrier crossing was observed for bicarbonate, at least within the timescales allowed by 13 C relaxation. By contrast, urea was observed to cross the placental barrier, with signatures visible from certain fetal organs including the liver...
February 14, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29438258/contribution-of-resident-and-recruited-macrophages-in-vascular-physiology-and-pathology
#6
Li Zhang
PURPOSE OF REVIEW: Macrophages are generally believed to originate entirely from the bone marrow; however, this paradigm is challenged by the discovery of yolk-sac-derived resident macrophages. Here, we provide an overview of recent advances in the ontogeny and function of resident macrophages. RECENT FINDINGS: Macrophage precursors from three distinct embryonic sources (yolk sac, fetal liver and bone marrow) are found to colonize various tissues via the blood circulation early during embryogenesis until shortly after birth...
February 12, 2018: Current Opinion in Hematology
https://www.readbyqxmd.com/read/29436479/the-ontogeny-of-a-neutrophil-mechanisms-of-granulopoiesis-and-homeostasis
#7
REVIEW
Shelley M Lawrence, Ross Corriden, Victor Nizet
Comprising the majority of leukocytes in humans, neutrophils are the first immune cells to respond to inflammatory or infectious etiologies and are crucial participants in the proper functioning of both innate and adaptive immune responses. From their initial appearance in the liver, thymus, and spleen at around the eighth week of human gestation to their generation in large numbers in the bone marrow at the end of term gestation, the differentiation of the pluripotent hematopoietic stem cell into a mature, segmented neutrophil is a highly controlled process where the transcriptional regulators C/EBP-α and C/EBP-ε play a vital role...
June 2018: Microbiology and Molecular Biology Reviews: MMBR
https://www.readbyqxmd.com/read/29436076/mrna-expression-of-drug-metabolism-enzymes-and-transporter-genes-at-birth-using-human-umbilical-cord-blood
#8
Virginia Neyro, Valéry Elie, Yves Médard, Evelyne Jacqz-Aigrain
Growth and maturation changes are mainly responsible for differences in drug pharmacokinetics and pharmacodynamics observed between adults and children, especially neonates. Ontogeny of drug metabolizing enzymes and transporters play an important role in drugs inter-individual pharmacokinetic variability but data are limited in both term and preterm neonates. This study aimed to characterize mRNA expression of the main drug metabolizing enzymes and transport proteins involved in drug disposition, using umbilical cord blood (UCB), according to gender, gestational age and genetic background...
February 13, 2018: Fundamental & Clinical Pharmacology
https://www.readbyqxmd.com/read/29432581/14q32-and-let-7-micrornas-regulate-transcriptional-networks-in-fetal-and-adult-human-erythroblasts
#9
Samuel Lessard, Mélissa Beaudoin, Stuart H Orkin, Daniel E Bauer, Guillaume Lettre
In humans, fetal erythropoiesis takes place in the liver whereas adult erythropoiesis occurs in the bone marrow. Fetal and adult erythroid cells are not only produced at different sites, but are also distinguished by their respective transcriptional program. In particular, whereas fetal erythroid cells express γ-globin chains to produce fetal hemoglobin (HbF), adult cells express β-globin chains to generate adult hemoglobin. Understanding the transcriptional regulation of the fetal-to-adult hemoglobin switch is clinically important as re-activation of HbF production in adult erythroid cells would represent a promising therapy for the hemoglobin disorders sickle cell disease and β-thalassemia...
February 8, 2018: Human Molecular Genetics
https://www.readbyqxmd.com/read/29428594/predictive-value-of-oxygenation-index-for-outcomes-in-left-sided-congenital-diaphragmatic-hernia
#10
Ashley S Bruns, Patricio E Lau, Gurpreet S Dhillon, Joseph Hagan, Joshua A Kailin, George B Mallory, Pablo Lohmann, Oluyinka O Olutoye, Rodrigo Ruano, Caraciolo J Fernandes
BACKGROUND & OBJECTIVES: Congenital Diaphragmatic Hernia (CDH) is associated with significant morbidity and mortality. This study compares the efficacy of the highest oxygenation index in the first 48 h (HiOI) versus current prenatal indices to predict survival and morbidity. METHODS: Medical records of 50 prenatally diagnosed, isolated, left-sided CDH patients treated from January 2011 to April 2016 were reviewed. Data abstracted included HiOI, lung to head ratio (LHR), observed to expected total fetal lung volume (O/E TFLV), percent liver herniation (%LH), 6 month survival, respiratory support at discharge, ventilator days and length of stay...
January 13, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29419953/-the-role-of-fetal-magnetic-resonance-imaging-in-the-study-of-congenital-diaphragmatic-hernia
#11
V Núñez, M Romo, J L Encinas, A Bueno, B Herrero, E Antolín, L Martínez, M López Santamaría
INTRODUCTION AND OBJECTIVES: Different echographic and fetal magnetic resonance (MRI) measurements have been described in the diagnosis of associated malformations and the prognosis of congenital diaphragmatic hernia (CDH). We have reviewed our experience searching for useful isolated or combined parameters and how MRI can complement ultrasound. MATERIAL AND METHODS: We evaluated 29 fetuses with CDH. We examined ultrasonography: Lung to Head (LHR o/e) and in MRI: ipsilateral lung volume (IPV) and total expressed as percentage of observed / expected lung volume (VPT o/e) and percentage of herniated liver (PHH)...
February 1, 2018: Cirugía Pediátrica: Organo Oficial de la Sociedad Española de Cirugía Pediátrica
https://www.readbyqxmd.com/read/29415948/effect-of-gestational-cadmium-exposure-on-fetal-growth-polyubiquitinated-protein-and-monoubiqutin-levels-in-the-fetal-liver-of-mice
#12
Hisaka Kurita, Tatsuya Hasegawa, Yoshiyuki Seko, Hisamitsu Nagase, Maki Tokumoto, Jin-Yong Lee, Masahiko Satoh
Cadmium (Cd) is an environmental pollutant present in contaminated water, food and soil. Cd adversely affects fetal development. We exposed pregnant mice to daily oral doses of 5 and 10 mg/kg Cd and examined fetal growth. It was demonstrated that the exposure to Cd (10 mg/kg) during gestation caused fetal growth retardation (FGR). Investigation of the ubiquitin-proteasome system in fetal livers of mice exposed to gestational Cd revealed increased polyubiquitinated protein accumulation, contrasting with decreased levels of monoubiquitin protein...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29408281/tumor-suppressor-btg1-limits-activation-of-bcl6-expression-downstream-of-etv6-runx1
#13
Esther Tijchon, Liesbeth van Emst, Laurensia Yuniati, Dorette van Ingen Schenau, Mylène Gerritsen, Laurens T van der Meer, Owen Williams, Peter M Hoogerbrugge, Blanca Scheijen, Frank N van Leeuwen
Translocation t(12;21) (p13;q22), giving rise to the ETV6-RUNX1 fusion gene, is the most common genetic abnormality in childhood B-cell precursor acute lymphoblastic leukemia (BCP-ALL). This translocation usually arises in utero, but its expression is insufficient to induce leukemia and requires other cooperating genetic lesions for BCP-ALL to develop. Deletions affecting the transcriptional coregulator BTG1 are frequently observed in ETV6-RUNX1-positive leukemia. Here we show that Btg1 deficiency enhances the self-renewal capacity of ETV6-RUNX1 positive mouse fetal liver derived hematopoietic progenitors (FL-HPCs)...
February 2, 2018: Experimental Hematology
https://www.readbyqxmd.com/read/29404525/hepatitis-e-virus-replication-and-interferon-responses-in-human-placental-cells
#14
Leonard Knegendorf, Svenja A Drave, Viet Loan Dao Thi, Yannick Debing, Richard J P Brown, Florian W R Vondran, Kathrin Resner, Martina Friesland, Tanvi Khera, Michael Engelmann, Birgit Bremer, Heiner Wedemeyer, Patrick Behrendt, Johan Neyts, Thomas Pietschmann, Daniel Todt, Eike Steinmann
Hepatitis E virus (HEV) is a member of the genus Orthohepevirus in the family Hepeviridae and the causative agent of hepatitis E in humans. HEV is a major health problem in developing countries, causing mortality rates up to 25% in pregnant women. However, these cases are mainly reported for HEV genotype (gt)1, while gt3 infections are usually associated with subclinical courses of disease. The pathogenic mechanisms of adverse maternal and fetal outcome during pregnancy in HEV-infected pregnant women remain elusive...
February 2018: Hepatology Communications
https://www.readbyqxmd.com/read/29404423/host-virus-protein-interaction-network-reveals-the-involvement-of-multiple-host-processes-in-the-life-cycle-of-hepatitis-e-virus
#15
Chandru Subramani, Vidya P Nair, Saumya Anang, Sukhen Das Mandal, Madhu Pareek, Nidhi Kaushik, Akriti Srivastava, Sudipto Saha, Shalimar, Baibaswata Nayak, C T Ranjith-Kumar, Milan Surjit
Comprehensive knowledge of host-pathogen interactions is central to understand the life cycle of a pathogen and devise specific therapeutic strategies. Protein-protein interactions (PPIs) are key mediators of host-pathogen interactions. Hepatitis E virus (HEV) is a major cause of viral hepatitis in humans. Recent reports also demonstrate its extrahepatic manifestations in the brain. Toward understanding the molecular details of HEV life cycle, we screened human liver and fetal brain cDNA libraries to identify the host interaction partners of proteins encoded by genotype 1 HEV and constructed the virus-host PPI network...
January 2018: MSystems
https://www.readbyqxmd.com/read/29403301/early-exposure-to-distinct-sources-of-lipids-affects-differently-the-development-and-hepatic-inflammatory-profiles-of-21-day-old-rat-offspring
#16
Laís Vales Mennitti, Lila Missae Oyama, Aline Boveto Santamarina, Claudia Maria da Penha Oller do Nascimento, Luciana Pellegrini Pisani
Introduction: Maternal diet composition of fatty acids during pregnancy and lactation seems to modify the fetal programming, epigenetic pattern and offspring phenotype. Aim: Herein, we investigated the effects of maternal consumption of normal-fat diets with distinct lipid sources during pregnancy and lactation on the somatic development and proinflammatory status of 21-day-old rat offspring. Materials and Methods: On the first day of pregnancy, female Wistar rats were divided into four groups as follows: soybean oil (M-SO), lard (M-L), hydrogenated vegetable fat (M-HVF) and fish oil (M-FO)...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29402311/hepatic-stem-cells-with-self-renewal-and-liver-repopulation-potential-are-harbored-in-cdcp1-positive-subpopulations-of-human-fetal-liver-cells
#17
Ran-Ran Zhang, Yun-Wen Zheng, Bin Li, Yun-Zhong Nie, Yasuharu Ueno, Tomonori Tsuchida, Hideki Taniguchi
BACKGROUND: Mature human hepatocytes are critical in preclinical research and therapy for liver disease, but are difficult to manipulate and expand in vitro. Hepatic stem cells (HpSCs) may be an alternative source of functional hepatocytes for cell therapy and disease modeling. Since these cells play an import role in regenerative medicine, the precise characterization that determines specific markers used to isolate these cells as well as whether they contribute to liver regeneration still remain to be shown...
February 5, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29401611/prenatal-iron-deficiency-causes-sex-dependent-mitochondrial-dysfunction-and-oxidative-stress-in-fetal-rat-kidneys-and-liver
#18
Andrew G Woodman, Richard Mah, Danae Keddie, Ronan M N Noble, Sareh Panahi, Ferrante S Gragasin, Hélène Lemieux, Stephane L Bourque
Prenatal iron deficiency alters fetal developmental trajectories, which results in persistent changes in organ function. Here, we studied the effects of prenatal iron deficiency on fetal kidney and liver mitochondrial function. Pregnant Sprague-Dawley rats were fed partially or fully iron-restricted diets to induce a state of moderate or severe iron deficiency alongside iron-replete control rats. We assessed mitochondrial function via high-resolution respirometry and reactive oxygen species generation via fluorescence microscopy on gestational d 21...
January 19, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29397624/-retrospective-analysis-of-diagnosis-and-treatment-of-breast-cancer-in-pregnancy
#19
F W Wang, S M Fu, Y C Jin, X H Gong, H D Cheng, K J Wu
Objective: To investigate the principles of diagnosis and treatment of breast cancer during pregnancy. Methods: Clinical data of patients with breast cancer during pregnancy admitted to Obstetrics and Gynecology Hospital of Fudan University between January 2012 to July 2017 were analyzed retrospectively. A total of 17 patients were diagnosed with breast cancer in pregnancy, the median age was 32 years (range from 25 to 45 years old), pathological staging revealed 2 patient with stage 0, 1 with stage Ⅱa, 7 with stage Ⅱb, 1 with stage Ⅲa, 2 with stage Ⅲc, 4 with stage Ⅳ...
February 1, 2018: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/29390414/prenatal-diagnosis-of-joubert-syndrome-a-case-report-and-literature-review
#20
Lingling Zhu, Limei Xie
INTRODUCTION: Joubert syndrome (JS) is a rare autosomal recessive inherited disease belonging to ciliopathy with the causative mutation of genes. Except for X-linked inheritance, the high recurrence rate of a family is about 25%. After birth, it may cause a series of neurological symptoms, even with retina, kidney, liver, and other organ abnormalities, which is defined as Joubert syndrome and related disorders (JSRD). Molecular genetics research contributes to disease prediction and genetic counseling...
December 2017: Medicine (Baltimore)
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