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https://www.readbyqxmd.com/read/29789941/new-variants-of-porcine-epidemic-diarrhea-virus-with-large-deletions-in-the-spike-protein-identified-in-the-united-states-2016-2017
#1
Yunfang Su, Yixuan Hou, Melanie Prarat, Yan Zhang, Qiuhong Wang
Four types of porcine epidemic diarrhea virus (PEDV) variants with a large deletion in the spike protein were detected, together with the original US PEDV, from pig fecal and oral fluid samples collected during 2016-2017 in the US. Two of the variants are similar to those identified in Japan: one contains a 194-aa deletion, the same as PEDV variant TTR-2/JPN/2014, while the other contains a 204-aa deletion, the same as PEDV variant JKa-292/CS1de204. Two new S1 NTD-del PEDV variants were found: one contains a 201-aa deletion located at residues 30-230 and the other contains a 202-aa deletion located at residues 24-225 of the S protein...
May 22, 2018: Archives of Virology
https://www.readbyqxmd.com/read/29787764/apobec3b-nuclear-localization-requires-two-distinct-n-terminal-domain-surfaces
#2
Daniel J Salamango, Jennifer L McCann, Özlem Demir, William L Brown, Rommie E Amaro, Reuben S Harris
The APOBEC3 family of cytosine deaminases catalyzes the conversion of cytosines-to-uracils in single-stranded DNA. Traditionally, these enzymes are associated with antiviral immunity and restriction of DNA-based pathogens. However, a role for these enzymes in tumor evolution and metastatic disease has also become evident. The primary APOBEC3 candidate in cancer mutagenesis is APOBEC3B (A3B) for three reasons: 1) A3B mRNA is upregulated in several different cancers, 2) A3B expression and mutational loads correlate with poor clinical outcomes, and 3) A3B is the only family member known to be constitutively nuclear...
May 19, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29786569/-an-assessment-of-the-functional-status-in-the-neurorehabilitation-of-patients-after-ischemic-stroke
#3
Paulina Klimkiewicz, Robert Klimkiewicz, Agnieszka Jankowska, Anna Kubsik, Patrycja Widłak, Adam Łukasiak, Katarzyna Janczewska, Natalia Kociuga, Tomasz Nowakowski, Marta Woldańska-Okońska
OBJECTIVE: Introduction: In this article, the authors focused on the symptoms of ischemic stroke and the effect of neurorehabilitation methods on the functional status of patients after ischemic stroke. The aim of the study was to evaluate and compare the functional status of patients after ischemic stroke with improved classic kinesiotherapy, classic kinesiotherapy and NDT-Bobath and classic kinesiotherapy and PNF. PATIENTS AND METHODS: Materials and methods: The study involved 120 patients after ischemic stroke...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29782550/multiple-roles-of-core-protein-linker-in-hepatitis-b-virus-replication
#4
Kuancheng Liu, Laurie Luckenbaugh, Xiaojun Ning, Ji Xi, Jianming Hu
Hepatitis B virus (HBV) core protein (HBc) contains an N-terminal domain (NTD, assembly domain) and a C-terminal domain (CTD), which are linked by a flexible linker region. HBc plays multiple essential roles in viral replication, including capsid assembly, packaging of the viral pregenomic RNA (pgRNA) into nucleocapsids, viral reverse transcription that converts pgRNA to the genomic DNA, and secretion of DNA-containing (complete) virions or genome-free (empty) virions. The HBc linker is generally assumed to act merely as a spacer between NTD and CTD but some results suggest that the linker may affect NTD assembly...
May 21, 2018: PLoS Pathogens
https://www.readbyqxmd.com/read/29771976/skin-disease-prevalence-study-in-schoolchildren-in-rural-c%C3%A3-te-d-ivoire-implications-for-integration-of-neglected-skin-diseases-skin-ntds
#5
Rie Roselyne Yotsu, Kouamé Kouadio, Bamba Vagamon, Konan N'guessan, Amari Jules Akpa, Aubin Yao, Julien Aké, Rigobert Abbet Abbet, Barbine Tchamba Agbor Agbor, Roger Bedimo, Norihisa Ishii, L Claire Fuller, Roderick Hay, Oriol Mitjà, Henning Drechsler, Kingsley Asiedu
BACKGROUND: Early detection of several skin-related neglected tropical diseases (skin NTDs)-including leprosy, Buruli ulcer, yaws, and scabies- may be achieved through school surveys, but such an approach has seldom been tested systematically on a large scale in endemic countries. Additionally, a better understanding of the spectrum of skin diseases and the at-risk populations to be encountered during such surveys is necessary to facilitate the process. METHODS: We performed a school skin survey for selected NTDs and the spectrum of skin diseases, among primary schoolchildren aged 5 to 15 in Côte d'Ivoire, West Africa...
May 17, 2018: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/29767673/modeling-the-impact-of-folic-acid-fortification-and-supplementation-on-red-blood-cell-folate-concentrations-and-predicted-neural-tube-defect-risk-in-the-united-states-have-we-reached-optimal-prevention
#6
Krista S Crider, Yan Ping Qi, Owen Devine, Sarah C Tinker, Robert J Berry
Background: The US CDC and the Institute of Medicine recommend that women capable of becoming pregnant consume ≥400 µg synthetic folic acid/d to prevent neural tube defects (NTDs). The United States has 3 sources of folic acid: fortified enriched cereal grain products (ECGPs), fortified ready-to-eat (RTE) cereals, and dietary supplements. Objective: Our objectives were as follows: 1) to estimate the usual daily folic acid intake and distributions of red blood cell (RBC) folate concentrations among women consuming folic acid from different sources; 2) to assess the usual daily total folic acid intake associated with optimal RBC folate concentrations for NTD prevention; 3) to predict NTD prevalence; and 4) to estimate the number of preventable folate-sensitive NTDs...
May 14, 2018: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29766239/-90-y-resin-microspheres-radioembolization-for-colon-cancer-liver-metastases-using-full-strength-contrast-material
#7
I Kurilova, R G H Beets-Tan, G A Ulaner, F E Boas, E N Petre, H Yarmohammadi, E Ziv, A R Deipolyi, L A Brody, M Gonen, Constantinos T Sofocleous
OBJECTIVES: To assess safety and efficacy of 90 Y resin microspheres administration using undiluted non-ionic contrast material (UDCM) {100% Omnipaque-300 (Iohexol)} in both the "B" and "D" lines. MATERIALS AND METHODS: We reviewed all colorectal cancer liver metastases patients treated with 90 Y resin microspheres radioembolization (RAE) from 2009 to 2017. As of April 2013, two experienced operators started using UDCM (study group) instead of standard sandwich infusion (control group)...
May 15, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29756144/evaluation-of-a-cooling-heating-assisted-microextraction-instrument-using-a-needle-trap-device-packed-with-aminosilica-graphene-oxide-nanocomposites-covalently-attached-to-cotton
#8
A R Ghiasvand, N Heidari, S Abdolhosseini, A Hamdi, P R Haddad
A low-cost and reliable cooling/heating-assisted microextraction (CHaME) instrument was designed and fabricated for use in different modes of microextraction methods. The CHaME setup is able to cool down the sorbent and simultaneously heat the sample in a wide temperature range. Consequently, it can create a large thermal gap between the sorbent and the sample matrix, to promote the release of analytes from the sample tissue and enhance their effective trapping on the microextraction phase. The primary versions of the instrument have previously been evaluated, coupled with different modes of solid- and liquid-phase microextraction strategies...
May 14, 2018: Analyst
https://www.readbyqxmd.com/read/29755911/posterior-fontanelle-encephalomeningocele-in-a-neonate-a-case-report
#9
Abdurrahman Raeiq
Encephalomeningoceles are subtypes of neural tube defects (NTD). We present the case of a one-day-old neonate who was found to have a posterior fontanelle encephalomeningocele that was only discovered after birth. The unique presentation of this case and the surgical management is also considered.
March 13, 2018: Curēus
https://www.readbyqxmd.com/read/29754607/exploring-the-potential-of-needle-trap-microextraction-combined-with-chromatographic-and-statistical-data-to-discriminate-different-types-of-cancer-based-on-urinary-volatomic-biosignature
#10
Priscilla Porto-Figueira, Jorge A M Pereira, José S Câmara
The worldwide high cancer incidence and mortality demands for more effective and specific diagnostic strategies. In this study, we evaluated the efficiency of an innovative methodology, Needle Trap Microextraction (NTME), combined with gas chromatography-mass spectrometry (GC-MS), for the establishment of the urinary volatomic biosignature from breast (BC), and colon (CC) cancer patients as well as healthy individuals (CTL). To achieve this, 40 mL of the headspace of acidified urine (4 mL, 20% NaCl, pH = 2), equilibrated at 50 °C during 40 min, were loaded through the DVB/Car1000/CarX sorbent inside the NTD, and subjected to a GC-MS analysis...
September 6, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29753342/climate-change-and-the-neglected-tropical-diseases
#11
Mark Booth
Climate change is expected to impact across every domain of society, including health. The majority of the world's population is susceptible to pathological, infectious disease whose life cycles are sensitive to environmental factors across different physical phases including air, water and soil. Nearly all so-called neglected tropical diseases (NTDs) fall into this category, meaning that future geographic patterns of transmission of dozens of infections are likely to be affected by climate change over the short (seasonal), medium (annual) and long (decadal) term...
2018: Advances in Parasitology
https://www.readbyqxmd.com/read/29736731/phthalimido-thiazole-as-privileged-scaffold-activity-against-immature-and-adult-worms-of-schistosoma-mansoni
#12
Sheilla Andrade de Oliveira, Miria de Oliveira Barbosa, Carlos André Laranjeira Miranda Filho, Arsênio Rodrigues Oliveira, Fabiano Amaro de Sousa, Edna de Farias Santiago, Gevanio Bezerra de Oliveira Filho, Paulo André Teixeira de Moraes Gomes, Juliana Maria da Conceição, Fábio André Brayner, Luiz Carlos Alves, Ana Cristina Lima Leite
Phthalimide, 1,3-thiazole, and thiazolidinone cores are considered privileged scaffolds and represent an attractive starting point to design new bioactive compounds for neglected tropical disease (NTD). Schistosomiasis is a NTD, caused by Schistosoma worms which praziquantel (PZQ) is the only drug used to treat humans, but the decrease in the effect after treatment has been reported. Recently, some phthalimide-thiazole derivatives exhibited in vitro antischistosomal activity against adult worms with significant ultrastructural changes and a lower cytotoxic effect on splenocytes...
May 7, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29733843/modulation-of-nuclear-factor-%C3%AE%C2%BAb-signaling-and-reduction-of-neural-tube-defects-by-quercetin-3-glucoside-in-embryos-of-diabetic-mice
#13
Chengyu Tan, Fantong Meng, E Albert Reece, Zhiyong Zhao
BACKGROUND: Diabetes mellitus in early pregnancy increases the risk of birth defects in infants. Maternal hyperglycemia stimulates the expression of nitric oxide (NO) synthase 2 (NOS2), which can be regulated by transcription factors of the nuclear factor-κB (NF-κB) family. Increases in reactive nitrogen species (RNS) generate intracellular stress conditions, including nitrosative, oxidative, and endoplasmic reticulum (ER) stresses, and trigger programmed cell death (or apoptosis) in the neural folds, resulting in neural tube defects (NTDs) in the embryo...
May 4, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29732722/network-correlation-analysis-revealed-potential-new-mechanisms-for-neural-tube-defects-beyond-folic-acid
#14
Xiaoya Gao, Richard H Finnell, Hongyan Wang, Yufang Zheng
BACKGROUND: Neural tube defects (NTDs) are clinically significant congenital malformations which are known to be folic acid (FA) responsive, such that supplementation significantly reduces the prevalence of NTDs. Nonetheless, some individuals fail to respond to FA supplementation; hence NTDs remain a significant public health concern. The mechanisms that underlie the beneficial effects of FA supplementation remain poorly understood. Mouse models have been used extensively to study the mechanisms driving neural tube closure (NTC)...
May 6, 2018: Birth Defects Research
https://www.readbyqxmd.com/read/29730993/outcome-of-twin-pregnancies-complicated-by-a-neural-tube-defect
#15
Vanessa Ross, Karen Reidy, Lex W Doyle, Ricardo Palma-Dias, Mark P Umstad
Twin pregnancies discordant for neural tube defects (NTD) is a management dilemma. Risks of preterm delivery from polyhydramnios must be balanced with the risks of selective termination (ST) of the anomalous fetus. We investigated the prevalence of twin pregnancies discordant for NTD and the rate of pregnancy complications in our institution over a 10-year period. Cases were obtained by searching the hospital ultrasound database and findings were confirmed by expert review of ultrasound images. Outcomes of ST and expectant management were assessed...
May 7, 2018: Twin Research and Human Genetics: the Official Journal of the International Society for Twin Studies
https://www.readbyqxmd.com/read/29728895/lrp2-gene-variants-and-their-haplotypes-strongly-influence-the-risk-of-developing-neural-tube-defects-in-the-fetus-a-family-triad-study-from-south-india
#16
Rebekah Prasoona K, Sunitha T, Srinadh B, Muni Kumari T, Jyothy A
Neural tube defects (NTDs) are the leading cause of infant deaths worldwide. Lipoprotein related receptor 2 (LRP2) has been shown to play a crucial role in neural tube development in mouse models. However, the role of LRP2 gene in the development of human NTDs is not yet known. In view of this, family-based triad approach has been followed considering 924 subjects comprising 124 NTD case-parent trios and 184 control-parent trios diagnosed at Institute of Genetics and Hospital for Genetic Diseases, Hyderabad...
May 4, 2018: Metabolic Brain Disease
https://www.readbyqxmd.com/read/29724897/targeting-hsp90-dimerization-via-the-c-terminus-is-effective-in-imatinib-resistant-cml-and-lacks-heat-shock-response
#17
Sanil Bhatia, Daniela Diedrich, Benedikt Frieg, Heinz Ahlert, Stefan Stein, Bertan Bopp, Franziska Lang, Tao Zang, Tobias Kröger, Thomas Ernst, Gesine Kögler, Andreas Krieg, Steffen Lüdeke, Hana Kunkel, Ana J Rodrigues Moita, Matthias U Kassack, Viktoria Marquardt, Friederike V Opitz, Marina Oldenburg, Marc Remke, Florian Babor, Manuel Grez, Andreas Hochhaus, Arndt Borkhardt, Georg Groth, Luitgard Nagel-Steger, Joachim Jose, Thomas Kurz, Holger Gohlke, Finn K Hansen, Julia Hauer
Heat shock protein 90 (HSP90) stabilizes many client proteins including BCR-ABL1 oncoprotein. BCR-ABL1 is the hallmark of CML in which treatment-free remission (TFR) is limited with clinical and economic consequences. Thus, there is an urgent need for novel therapeutics, which synergize with current treatment approaches. Several inhibitors targeting the N-terminal domain (NTD) of HSP90 are under investigation; however, side effects such as induction of heat shock response (HSR) and toxicity have so far precluded their FDA approval...
May 3, 2018: Blood
https://www.readbyqxmd.com/read/29720518/a-crystal-structure-of-classical-swine-fever-virus-ns5b-reveals-a-novel-n-terminal-domain
#18
Weiwei Li, Baixing Wu, Wibowo Adian Soca, Lei An
Classical swine fever virus (CSFV) is the ringleader of Classical swine fever (CSF). The non-structural protein 5B (NS5B) encodes an RNA-dependent RNA polymerase (RdRp) that is a key enzyme initiating viral RNA replication by a de novo mechanism. It is also an attractive target for the development of anti-CSFV drugs. To gain a better understanding on the mechanism of CSFV RNA synthesis, here we solved the first crystal structure of CSFV-NS5B. Our studies show that the CSFV-NS5B RdRp contains characteristic fingers, palm domain and thumb domain as well as a unique N-terminal domain (NTD) that had never been observed...
May 2, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29708443/maternal-association-and-influence-of-dhfr-19bp-deletion-variant-predisposes-fetus-to-anencephaly-susceptibility-a-family-based-triad-study
#19
K R Prasoona, T Sunitha, B Srinadh, T Muni Kumari, A Jyothy
PURPOSE: Previous studies have not used family-based methods to evaluate maternal-paternal genetic effects of the folate metabolising enzyme, dihydro folate reductase (DHFR) essential during embryogenesis. Present study focused on evaluating the association and influence of parental genetic effects of DHFR 19bp deletion in the development of fetal Neural Tube Defects (NTDs) using family-based triad approach. MATERIALS AND METHODS: The study population (n = 924) including 124 NTD case-parent trios (n = 124x3 = 372) and 184 healthy control-parent trios (n = 184x3 = 552) from Telangana, India were genotyped for DHFR 19bp deletion...
April 30, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29701543/global-hydrocephalus-epidemiology-and-incidence-systematic-review-and-meta-analysis
#20
Michael C Dewan, Abbas Rattani, Rania Mekary, Laurence J Glancz, Ismaeel Yunusa, Ronnie E Baticulon, Graham Fieggen, John C Wellons, Kee B Park, Benjamin C Warf
OBJECTIVE Hydrocephalus is one of the most common brain disorders, yet a reliable assessment of the global burden of disease is lacking. The authors sought a reliable estimate of the prevalence and annual incidence of hydrocephalus worldwide. METHODS The authors performed a systematic literature review and meta-analysis to estimate the incidence of congenital hydrocephalus by WHO region and World Bank income level using the MEDLINE/PubMed and Cochrane Database of Systematic Reviews databases. A global estimate of pediatric hydrocephalus was obtained by adding acquired forms of childhood hydrocephalus to the baseline congenital figures using neural tube defect (NTD) registry data and known proportions of posthemorrhagic and postinfectious cases...
April 27, 2018: Journal of Neurosurgery
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