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Neonatal hepatitis

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https://www.readbyqxmd.com/read/28893935/tumour-virus-vaccines-hepatitis-b-virus-and-human-papillomavirus
#1
REVIEW
Margaret Stanley
Two of the most important human oncogenic viruses are hepatitis B virus (HBV) and human papillomavirus (HPV). HBV infection has been preventable by vaccination since 1982; vaccination of neonates and infants is highly effective, resulting already in decreased rates of new infections, chronic liver disease and hepato-cellular carcinoma. Nonetheless, HBV remains a global public health problem with high rates of vertical transmission from mother to child in some regions. Prophylactic HPV vaccines composed of virus-like particles (VLPs) of the L1 capsid protein have been licensed since 2006/2007...
October 19, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28893758/antiretroviral-therapy-for-pregnant-women-living-with-hiv-or-hepatitis-b-a-systematic-review-and-meta-analysis
#2
Reed A Siemieniuk, Farid Foroutan, Reza Mirza, Jinell Mah Ming, Paul E Alexander, Arnav Agarwal, Olufunmilayo Lesi, Arnaud Merglen, Yaping Chang, Yuan Zhang, Hassan Mir, Elliot Hepworth, Yung Lee, Dena Zeraatkar, Gordon H Guyatt
OBJECTIVE: To assess the impact of various antiretroviral/antiviral regimens in pregnant women living with HIV or hepatitis B virus (HBV). DESIGN: We performed random effects meta-analysis for HIV-related outcomes and network meta-analysis for HBV outcomes, and used the Grading of Recommendations Assessment, Development and Evaluation (GRADE) framework to assess quality separately for each outcome. DATA SOURCES: Embase and Medline to February 2017...
September 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28870397/eradicating-hepatitis-b-virus-the-critical-role-of-preventing-perinatal-transmission
#3
REVIEW
Cladd E Stevens, Pearl Toy, Saleem Kamili, Patricia E Taylor, Myron J Tong, Guo-Liang Xia, Girish N Vyas
Prevention of hepatitis B virus (HBV) transmission from infected mothers to their newborns is critical to HBV control and eventual eradication. Mother-to-child perinatal transmission causes the highest chronic carrier rate (>85%) with a high rate of subsequent chronic liver disease and hepatocellular carcinoma. This risk is reduced by 90% with HBV vaccine given along with hepatitis B immune globulin (HBIG) starting at birth. New analyses of our data from US trials of HBIG and HBV vaccine in high-risk infants revealed better efficacy with yeast-recombinant vaccine than plasma-derived vaccine, especially in preventing late onset infections, with evidence that vaccine prevented transmission of maternal HBV infection with the glycine to arginine mutation in surface antigen codon 145 (sG145R)...
September 1, 2017: Biologicals: Journal of the International Association of Biological Standardization
https://www.readbyqxmd.com/read/28854842/hepatitis-d-infection-should-be-taken-in-mind-while-evaluating-neonatal-outcomes-related-to-maternal-hepatitis-b-infection
#4
Fatma Beyazit, Mesut A Unsal
No abstract text is available yet for this article.
August 30, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28854510/troponin-t-as-a-biomarker-in-neonates-with-perinatal-asphyxia
#5
T Abiramalatha, M Kumar, S Chandran, Y Sudhakar, M Thenmozhi, N Thomas
BACKGROUND: Troponin-T is a commonly used cardiac biomarker, which could be useful in perinatal asphyxia. We aimed to analyze troponin-T concentrations in asphyxiated neonates and to correlate the concentrations with clinical outcomes. METHODS: Data were collected from electronic medical records of neonates diagnosed with perinatal asphyxia over a period of four years. RESULTS: There were 63 neonates with moderate to severe encephalopathy, in whom serial troponin-T concentrations had been done on days 1, 3, and 7...
August 23, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28854248/maternal-health-care-initiatives-causes-of-morbidities-and-mortalities-in-two-rural-districts-of-upper-west-region-ghana
#6
Joshua Sumankuuro, Judith Crockett, Shaoyu Wang
BACKGROUND: Maternal and neonatal morbidities and mortalities have received much attention over the years in sub-Saharan Africa; yet addressing them remains a profound challenge, no more so than in the nation of Ghana. This study focuses on finding explanations to the conditions which lead to maternal and neonatal morbidities and mortalities in rural Ghana, particularly the Upper West Region. METHOD: Mixed methods approach was adopted to investigate the medical and non-medical causes of maternal and neonatal morbidities and mortalities in two rural districts of the Upper West Region of Ghana...
2017: PloS One
https://www.readbyqxmd.com/read/28851713/scp4-promotes-gluconeogenesis-through-foxo1-3a-dephosphorylation
#7
Jin Cao, Yi Yu, Zhengmao Zhang, Xi Chen, Zhaoyong Hu, Qiang Tong, Jiang Chang, Xin-Hua Feng, Xia Lin
FoxO1 and FoxO3a (collectively FoxO1/3a) proteins regulate a wide array of cellular processes including hepatic gluconeogenesis. Phosphorylation of FoxO1/3a is a key event that determines its subcellular location and transcriptional activity. During glucose synthesis, the activity of FoxO1/3a is negatively regulated by Akt-mediated phosphorylation, which leads to the cytoplasmic retention of FoxO1/3a. However, the nuclear phosphatase that directly regulates FoxO1/3a remains to be identified. In this study, we discovered a nuclear phosphatase SCP4/CTDSPL2 that dephosphorylated FoxO1/3a and promoted FoxO1/3a transcription activity...
August 29, 2017: Diabetes
https://www.readbyqxmd.com/read/28843469/a-genotype-first-approach-for-clinical-and-genetic-evaluation-of-wolcott-rallison-syndrome-in-a-large-cohort-of-iranian-patients-with-neonatal-diabetes
#8
Farzaneh Abbasi, Maryam Habibi, Samaneh Enayati, Fatemeh Bitarafan, Maryam Razzaghy-Azar, Aria Sotodeh, Sima Parvizi Omran, Reza Maroofian, Mahsa M Amoli
OBJECTIVE: Wolcott-Rallison syndrome (WRS) is an extremely rare autosomal recessive condition, characterized by permanent neonatal diabetes mellitus (PNDM) associated with skeletal dysplasia, growth retardation and liver dysfunction. WRS is caused by biallelic mutations in the gene encoding eukaryotic translation initiation factor 2alpha kinase 3 (EIF2AK3). METHODS: As part of a comprehensive study on clinical and genetic investigation of neonatal diabetes in an Iranian population, 60 unrelated Iranian subjects referred with PNDM were analyzed...
August 23, 2017: Canadian Journal of Diabetes
https://www.readbyqxmd.com/read/28842610/sofosbuvir-protects-zika-virus-infected-mice-from-mortality-preventing-short-and-long-term-sequelae
#9
André C Ferreira, Camila Zaverucha-do-Valle, Patrícia A Reis, Giselle Barbosa-Lima, Yasmine Rangel Vieira, Mayara Mattos, Priscila de Paiva Silva, Carolina Sacramento, Hugo C de Castro Faria Neto, Loraine Campanati, Amilcar Tanuri, Karin Brüning, Fernando A Bozza, Patrícia T Bozza, Thiago Moreno L Souza
Zika virus (ZIKV) causes significant public health concerns because of its association with congenital malformations, neurological disorders in adults, and, more recently, death. Considering the necessity to mitigate ZIKV-associated diseases, antiviral interventions are an urgent necessity. Sofosbuvir, a drug in clinical use against hepatitis C virus (HCV), is among the FDA-approved substances endowed with anti-ZIKV activity. In this work, we further investigated the in vivo activity of sofosbuvir against ZIKV...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28838453/cholestasis-after-pediatric-liver-transplantation-recurrence-of-a-progressive-familial-intrahepatic-cholestasis-phenotype-as-a-rare-differential-diagnosis-a-case-report
#10
B Prusinskas, S Kathemann, D Pilic, B Hegen, P Küster, V Keitel, D Häussinger, R Büscher, H A Baba, P F Hoyer, E Lainka
INTRODUCTION: Nonobstructive cholestasis after pediatric liver transplantation is a common diagnostic and therapeutic dilemma. We describe a girl with neonatal cholestasis because of progressive familial intrahepatic cholestasis 2 (PFIC-2) and presence of a homozygous splice site mutation in the ABCB11 gene. Liver transplantation was performed because of end-stage liver disease at the age of 6. Cholestasis with normal gamma-glutamyl transferase (GGT) developed 8 years after liver transplantation...
September 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28819071/genetic-and-non-genetic-factors-associated-with-protein-abundance-of-flavin-containing-monooxygenase-3-in-human-liver
#11
Meijuan Xu, Deepak Kumar Bhatt, Catherine K Yeung, Katrina G Claw, Amarjit S Chaudhry, Andrea Gaedigk, Robin E Pearce, Ulrich Broeckel, Roger Gaedigk, Debbie Nickerson, Erin Schuetz, Allan E Rettie, Steven Leeder, Kenneth E Thummel, Bhagwat Prasad
Hepatic flavin-containing monooxygenase 3 (FMO3) metabolizes a broad array of nucleophilic heteroatom (e.g., N or S)-containing xenobiotics (e.g., amphetamine, sulindac, benzydamine, ranitidine, tamoxifen, nicotine, and ethioniamide), as well as endogenous compounds (e.g., catecholamine and trimethylamine). To predict the effect of genetic and non-genetic factors on the hepatic metabolism of FMO3 substrates, we quantified FMO3 protein abundance in human liver microsomes (HLM; n=445) by LC-MS/MS proteomics. Genotyping/gene-resequencing, mRNA expression, and functional activity (with benzydamine as a probe substrate) of FMO3 were also performed...
August 17, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28818585/-vitamin-k-in-the-neonate-recommendations-update
#12
J-M Hascoët, J-C Picaud, A Lapillonne, C Boithias-Guerot, P Bolot, E Saliba
Hemorrhagic disease of the newborn is not common but may be very serious, with cerebral, hepatic, or adrenal gland bleeding. Its prevention is based upon vitamin K1 administration from birth. Scientific studies to validate appropriate treatment policies are scarce, with recommendations coming from expert opinions, retrospective studies, or controversies on possible side effects. After analysis of recent literature data, we propose an oral administration of three doses of 2mg of vitamin K1 at birth, at discharge from the maternity ward, and at 1 month postnatal age for term infants...
August 14, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28818032/prevention-strategy-for-father-to-child-transmission-of-hepatitis-b-virus-a-systematic-review-and-meta-analysis
#13
Hong-Lin Chen, Man-Li Zha, Gang Qin
OBJECTIVE: Father to child transmission (FTCT) occurs in infants born to hepatitis B virus (HBV) infected father. In this study, we aim to summarize the prevention strategy for FTCT of HBV by systematic review and meta-analysis. METHODS: PubMed and China Knowledge Resource Integrated Database were systematically searched. We systematically reviewed the prevention strategy for father, mother, and infant before, during pregnancy and after birth. We also examined trial sequential analysis (TSA) for the required information size (RIS)...
August 17, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28816860/management-of-chronic-hepatitis-b-in-pregnancy
#14
Jie Li, Matthew S Chang, Tram T Tran, Mindie H Nguyen
Chronic hepatitis B virus (HBV) infection due to mother-to-child transmission during the perinatal period remains an important global health problem. Despite standard passive-active immunoprophylaxis with hepatitis B immunoglobulin and hepatitis B vaccine in neonates, up to 8.5% of newborns still acquire HBV infection. Thus, management of chronic HBV during pregnancy and strategies to prevent mother-to-child transmission are important steps in eradicating or reducing the global burden of chronic HBV infection...
October 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28792854/phytosterols-synergize-with-endotoxin-to-augment-inflammation-in-kupffer-cells-but-alone-have-limited-direct-effect-on-hepatocytes
#15
Gregory Guthrie, Bryan Tackett, Barbara Stoll, Camilia Martin, Oluyinka Olutoye, Douglas G Burrin
INTRODUCTION: Phytosterols are implicated in the development of parenteral nutrition-associated liver disease. A newly proposed mechanism for phytosterol-mediated parenteral nutrition-associated liver disease is through phytosterol-facilitated hepatic proinflammatory cytokine release following exposure to intestinally derived bacteria. Whether the proinflammatory effects are liver cell specific is not known. AIM: To determine if phytosterols cause inflammation in hepatocytes or Kupffer cells independently or require costimulation by lipopolysaccharide (LPS)...
August 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28791666/clinical-pharmacokinetics-and-pharmacodynamics-of-micafungin
#16
REVIEW
Roeland E Wasmann, Eline W Muilwijk, David M Burger, Paul E Verweij, Catherijne A Knibbe, Roger J Brüggemann
Micafungin is a selective inhibitor of the synthesis of fungal 1,3-β-D-glucan, an essential component of the fungal cell wall. It is available as a powder for infusion only and is registered for the treatment of invasive and esophageal candidiasis in addition to prophylaxis of Candida infections in both adults and children. Average exposure after a single intravenous 100 mg dose in healthy adults is 133 mg h/L. Both exposure and maximum plasma concentration show linear dose proportional pharmacokinetics (PK) over a 0...
August 8, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28782473/the-importance-of-hemolysis-and-its-clinical-detection-in-neonates-with-hyperbilirubinemia
#17
Ronald J Wong, Vinod K Bhutani, David K Stevenson
Background: Hyperbilirubinemia is a benign transitional phenomenon that occurs in 60% to 80% of all term infants. The degree of hyperbilirubinemia and hence risk for developing bilirubin-induced neurologic dysfunction or BIND is dependent upon two major processes: (i) bilirubin production and its elimination. Objective: The aim of this review is to address the importance of hemolysis and its clinical detection in neonates with hyperbilirubinemia. Results: In newborns, an increased bilirubin production rate due to hemolysis is often the primary cause of hyperbilirubinemia during the first week of life...
August 7, 2017: Current Pediatric Reviews
https://www.readbyqxmd.com/read/28771246/diagnosis-and-treatment-of-tyrosinemia-type-i-a-us-and-canadian-consensus-group-review-and-recommendations
#18
REVIEW
Jeffrey M Chinsky, Rani Singh, Can Ficicioglu, Clara D M van Karnebeek, Markus Grompe, Grant Mitchell, Susan E Waisbren, Muge Gucsavas-Calikoglu, Melissa P Wasserstein, Katie Coakley, C Ronald Scott
Tyrosinemia type I (hepatorenal tyrosinemia, HT-1) is an autosomal recessive condition resulting in hepatic failure with comorbidities involving the renal and neurologic systems and long term risks for hepatocellular carcinoma. An effective medical treatment with 2-[2-nitro-4-trifluoromethylbenzoyl]-1,3-cyclohexanedione (NTBC) exists but requires early identification of affected children for optimal long-term results. Newborn screening (NBS) utilizing blood succinylacetone as the NBS marker is superior to observing tyrosine levels as a way of identifying neonates with HT-1...
August 3, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28755192/newborn-screening-for-hereditary-tyrosinemia-type-i-in-qu%C3%A3-bec-update
#19
Yves Giguère, Marie-Thérèse Berthier
Hereditary tyrosinemia type I (HTI) is a rare autosomal recessive disorder caused by a fumarylacetoacetate hydrolase (FAH) deficiency. If untreated, its acute form is characterized by hepatic failure, renal dysfunction and neurological crisis, and may lead to death. Due to a genetic founder effect in the French-Canadian population, the prevalence of HTI is increased in the province of Quebec (1/19 819), with the IVS12 + 5G>A (1062 + 5G>A) splice site mutation responsible for more than 90% of mutated alleles...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28755185/the-liver-in-tyrosinemia-type-i-clinical-management-and-course-in-quebec
#20
Ugur Halac, Josée Dubois, Grant A Mitchell
HT1 is a severe autosomal recessive disorder due to the deficiency of fumarylacetoacetate hydrolase (FAH), the final enzyme in the degradation of tyrosine. Before the era of treatment with 2-(2-N-4-trifluoromethylbenzoyl)-1,3-cyclohexanedione (NTBC), even with newborn screening and optimal diet therapy, HT1 patients often developed liver failure. Death was common in patients who did not undergo liver transplantation. For the last two decades, NTBC has revolutionized the management of HT1 patients. In screened newborns treated within the first month of life, we have not observed hepatocarcinoma...
2017: Advances in Experimental Medicine and Biology
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