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https://www.readbyqxmd.com/read/28544119/common-fibril-structures-imply-systemically-conserved-protein-misfolding-pathways-in%C3%A2-vivo
#1
Karthikeyan Annamalai, Falk Liberta, Marie-Theres Vielberg, William Close, Hauke Lilie, Karl-Heinz Gührs, Angelika Schierhorn, Rolf Koehler, Andreas Schmidt, Christian Haupt, Ute Hegenbart, Stefan Schönland, Matthias Schmidt, Michael Groll, Marcus Fändrich
Systemic amyloidosis is caused by the misfolding of a circulating amyloid precursor protein and the deposition of amyloid fibrils in multiple organs. Chemical and biophysical analysis of amyloid fibrils from human AL and murine AA amyloidosis reveal the same fibril morphologies in different tissues or organs of one patient or diseased animal. The observed structural similarities concerned the fibril morphology, the fibril protein primary and secondary structures, the presence of post-translational modifications and, in case of the AL fibrils, the partially folded characteristics of the polypeptide chain within the fibril...
May 23, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28477016/e6ap-promotes-prostate-cancer-by-reducing-p27-expression
#2
Dinesh Raghu, Piotr Jan Paul, Twishi Gulati, Siddhartha Deb, Christine Khoo, Andrea Russo, Enzo Gallo, Giovanni Blandino, Ai-Leen Chan, Elena Takano, Shahneen K Sandhu, Stephen B Fox, Scott Williams, Sue Haupt, Cristina Gamell, Ygal Haupt
Prostate cancer (PC) is the most common cancer in men. Elevated levels of E3 ligase, E6-Associated Protein (E6AP) were previously linked to PC, consistent with increased protein expression in a subset of PC patients. In cancers, irregular E3 ligase activity drives proteasomal degradation of tumor suppressor proteins. Accordingly, E3 ligase inhibitors define a rational therapy to restore tumor suppression. The relevant tumor suppressors targeted by E6AP in PC are yet to be fully identified. In this study we show that p27, a key cell cycle regulator, is a target of E6AP in PC...
April 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28476197/road-traffic-pollution-and-childhood-leukemia-a-nationwide-case-control-study-in-italy
#3
Corrado Magnani, Alessandra Ranucci, Chiara Badaloni, Giulia Cesaroni, Daniela Ferrante, Lucia Miligi, Stefano Mattioli, Roberto Rondelli, Luigi Bisanti, Paola Zambon, Santina Cannizzaro, Paola Michelozzi, Pierluigi Cocco, Egidio Celentano, Giorgio Assennato, Domenico Franco Merlo, Paola Mosciatti, Liliana Minelli, Marina Cuttini, Maria Valeria Torregrossa, Susanna Lagorio, Riccardo Haupt, Francesco Forastiere
BACKGROUND: The association of childhood leukemia with traffic pollution was considered in a number of studies from 1989 onwards, with results not entirely consistent and little information regarding subtypes. AIM OF THE STUDY: We used the data of the Italian SETIL case-control on childhood leukemia to explore the risk by leukemia subtypes associated to exposure to vehicular traffic. METHODS: We included in the analyses 648 cases of childhood leukemia (565 Acute lymphoblastic-ALL and 80 Acute non lymphoblastic-AnLL) and 980 controls...
November 2016: Archives of Medical Research
https://www.readbyqxmd.com/read/28453640/pioneering-topological-methods-for-network-based-drug-target-prediction-by-exploiting-a-brain-network-self-organization-theory
#4
Claudio Durán, Simone Daminelli, Josephine M Thomas, V Joachim Haupt, Michael Schroeder, Carlo Vittorio Cannistraci
The bipartite network representation of the drug-target interactions (DTIs) in a biosystem enhances understanding of the drugs' multifaceted action modes, suggests therapeutic switching for approved drugs and unveils possible side effects. As experimental testing of DTIs is costly and time-consuming, computational predictors are of great aid. Here, for the first time, state-of-the-art DTI supervised predictors custom-made in network biology were compared-using standard and innovative validation frameworks-with unsupervised pure topological-based models designed for general-purpose link prediction in bipartite networks...
April 26, 2017: Briefings in Bioinformatics
https://www.readbyqxmd.com/read/28438470/how-inflammation-underlies-physical-and-organ-function-in-acutely-admitted-older-medical-patients
#5
Henrik Hedegaard Klausen, Ann Christine Bodilsen, Janne Petersen, Thomas Bandholm, Thomas Haupt, Ditte Maria Sivertsen, Ove Andersen
OBJECTIVES: To investigate whether systemic inflammation in acutely admitted older medical patients (age >65 years) is associated with physical performance and organ dysfunction. Organ dysfunction´s association with physical performance, and whether these associations are mediated by systemic inflammation, was also investigated. METHODS: A cross-sectional study in an Emergency Department. Physical performance was assessed by handgrip strength and de Morton Mobility Index (DEMMI), and organ dysfunction by FI-OutRef, the number of standard blood tests outside the reference range...
April 22, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28435386/more-new-records-of-spider-wasps-from-colombia-hymenoptera-pompilidae
#6
Cecilia Waichert, Fernando Fernández, Valentina Castro-Huertas, Juanita Rodriguez, James P Pitts
Aporinellus Banks, Austrochares Banks and Dicranoplius Haupt are new generic records for Colombia, as well as the species Dipogon ariel Banks, Evagetes peruana Banks, and Euplaniceps notabilis (Smith). Five new combinations are formally endorsed: Aimatocare argentinica (Banks), comb. n.; Aimatocare longula (Banks), comb. n.; Aimatocare imitator (Evans), comb. n.; Aimatocare impensa (Evans), comb. n.; Aimatocare vitrea (Fox), comb. n. Although these names have been used in Pompilidae, no formal nomenclatural act had been proposed...
2017: ZooKeys
https://www.readbyqxmd.com/read/28417532/non-alcoholic-fatty-liver-disease-nafld-prevalence-and-its-metabolic-associations-in-patients-with-type-1-diabetes-and-type-2-diabetes
#7
Kenneth Cusi, Arun J Sanyal, Shuyu Zhang, Mark L Hartman, Juliana M Bue-Valleskey, Byron J Hoogwerf, Axel Haupt
We investigated non-alcoholic fatty liver disease (NAFLD) prevalence and its metabolic associations in patients with type 1 diabetes (T1D), and in insulin-naïve and insulin-treated patients with type 2 diabetes (T2D). Baseline data from patients who had liver fat content (LFC) evaluated by magnetic resonance imaging in 4 phase 3 studies of basal insulin peglispro (BIL) were analyzed. Associations of NAFLD with clinical characteristics, glycemic control and diabetes therapy were evaluated. The prevalence of NAFLD (defined as LFC ≥6%) was low in T1D (8...
April 17, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28411635/guide-to-the-preparation-of-molecularly-imprinted-polymer-nanoparticles-for-protein-recognition-by-solid-phase-synthesis
#8
Jingjing Xu, Paulina X Medina-Rangel, Karsten Haupt, Bernadette Tse Sum Bui
Molecularly imprinted polymers (MIPs) are synthetic antibody mimics possessing specific cavities designed for a target molecule. Nowadays, molecular imprinting of proteins still remains a challenge as the generation of selective imprinted cavities is extremely difficult, due to their flexible structure and the presence of a multitude of functional sites. To overcome this difficulty, we propose a solid-phase synthesis strategy to prepare MIPs specific for any protein that can be immobilized in an oriented way on a solid support...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28389699/ion-channelopathies-and-migraine-pathogenesis
#9
REVIEW
Cassie L Albury, Shani Stuart, Larisa M Haupt, Lyn R Griffiths
Migraine is a common neurological disorder that affects approximately 12-20% of the general adult population. Migraine pathogenesis is complex and not wholly understood. Molecular genetic investigations, imaging and biochemical studies, have unveiled a number of interconnected neurological pathways which seem to have a cause and effect component integral to its cause. Much weight of migraine attack initiation can be placed on the initial trigger and the pathways involved in its neuronal counter reaction. Ion channels play a large role in the generation, portrayal and mitigation of the brains response to external triggers...
April 7, 2017: Molecular Genetics and Genomics: MGG
https://www.readbyqxmd.com/read/28389095/chemometric-evaluation-of-the-combined-effect-of-temperature-pressure-and-co-solvent-fractions-on-the-chiral-separation-of-basic-pharmaceuticals-using-actual-vs-set-operational-conditions
#10
Erik Forss, Dan Haupt, Olle Stålberg, Martin Enmark, Jörgen Samuelsson, Torgny Fornstedt
The need to determine the actual operational conditions, instead of merely using the set operational conditions, was investigated for in packed supercritical fluid chromatography (SFC) by design of experiments (DoE) using a most important type of compounds, pharmaceutical basics, as models. The actual values of temperature, pressure, and methanol levels were recorded and calculated from external sensors, while the responses in the DoE were the retention factors and selectivity. A Kromasil CelluCoat column was used as the stationary phase, carbon dioxide containing varying methanol contents as the mobile phase, and the six racemates of alprenolol, atenolol, metoprolol, propranolol, clenbuterol, and mianserin were selected as model solutes...
March 28, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28386569/corrigendum-to-large-gliadin-peptides-detected-in-the-pancreas-of-nod-and-healthy-mice-following-oral-administration
#11
Susanne W Bruun, Knud Josefsen, Julia T Tanassi, Aleš Marek, Martin H F Pedersen, Ulrik Sidenius, Martin Haupt-Jorgensen, Julie C Antvorskov, Jesper Larsen, Niels H Heegaard, Karsten Buschard
[This corrects the article DOI: 10.1155/2016/2424306.].
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28374101/major-and-minor-complications-after-anterior-rectal-resection-for-deeply-infiltrating-endometriosis
#12
Stefan P Renner, Hermann Kessler, Nalan Topal, Kim Proske, Werner Adler, Stefanie Burghaus, Werner Haupt, Matthias W Beckmann, Johannes Lermann
PURPOSE: The aim of the present study was to analyze major and minor complications-including long-term impairment of intestinal, bladder, and sexual function-following surgery for deeply infiltrating endometriosis using anterior rectal resection. METHODS: Patients who had undergone anterior rectal resection due to endometriosis between 2001 and 2011 were included (n = 113). Clinical and surgical data, as well as minor and major complications, were recorded. A questionnaire was sent to the patients and also to a healthy control group (n = 100)...
April 3, 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28361953/cell-to-cell-transfer-of-saa1-protein-in-a-cell-culture-model-of-systemic-aa-amyloidosis
#13
Stephanie Claus, Ioana Puscalau-Girtu, Paul Walther, Tatiana Syrovets, Thomas Simmet, Christian Haupt, Marcus Fändrich
Systemic AA amyloidosis arises from the misfolding of serum amyloid A1 (SAA1) protein and the deposition of AA amyloid fibrils at multiple sites within the body. Previous research already established that mononuclear phagocytes are crucial for the formation of the deposits in vivo and exposure of cultures of such cells to SAA1 protein induces the formation of amyloid deposits within the culture dish. In this study we show that both non-fibrillar and fibrillar SAA1 protein can be readily transferred between cultured J774A...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28361102/gene-centric-analysis-implicates-nuclear-encoded-mitochondrial-protein-gene-variants-in-migraine-susceptibility
#14
Shani Stuart, Miles C Benton, David A Eccles, Heidi G Sutherland, Larisa M Haupt, Rodney A Lea, Lyn R Griffiths
BACKGROUND: Migraine is a common neurological disorder which affects a large proportion of the population. The Norfolk Island population is a genetically isolated population and is an ideal discovery cohort for genetic variants involved in complex disease susceptibility given the reduced genetic and environmental heterogeneity. Given that the majority of proteins responsible for mitochondrial function are nuclear encoded, this study aimed to investigate the role of Nuclear Encoded Mitochondrial Protein (NEMP) genes in relation to migraine susceptibility...
March 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28348409/inhibiting-the-system-xc-glutathione-axis-selectively-targets-cancers-with-mutant-p53-accumulation
#15
David S Liu, Cuong P Duong, Sue Haupt, Karen G Montgomery, Colin M House, Walid J Azar, Helen B Pearson, Oliver M Fisher, Matthew Read, Glen R Guerra, Ygal Haupt, Carleen Cullinane, Klas G Wiman, Lars Abrahmsen, Wayne A Phillips, Nicholas J Clemons
TP53, a critical tumour suppressor gene, is mutated in over half of all cancers resulting in mutant-p53 protein accumulation and poor patient survival. Therapeutic strategies to target mutant-p53 cancers are urgently needed. We show that accumulated mutant-p53 protein suppresses the expression of SLC7A11, a component of the cystine/glutamate antiporter, system xC(-), through binding to the master antioxidant transcription factor NRF2. This diminishes glutathione synthesis, rendering mutant-p53 tumours susceptible to oxidative damage...
March 28, 2017: Nature Communications
https://www.readbyqxmd.com/read/28345749/the-use-of-social-media-for-campus-safety
#16
Brittany Haupt, Naim Kapucu, Jeffrey Morgan
As public safety communication evolved, each disaster or emergency presented unique challenges for emergency managers and others response to disasters. Yet, a foundational focus is the timely dissemination of accurate information to keep communities informed and able to prepare, mitigate, respond, and recover. For the campus community, the increase in bomb threats, active shooter incidents, and geographic-based natural disasters call for the discovery of reliable and cost-effective solutions for emergency information management...
January 2017: Journal of Emergency Management: JEM
https://www.readbyqxmd.com/read/28343044/a-system-of-containment-to-prevent-oil-spills-from-sunken-tankers
#17
Antonio García-Olivares, Almudena Agüero, Bernd J Haupt, María J Marcos, María V Villar, José L de Pablos
Worldwide tank spills represent 10% of the average annual input of oil in the sea. When such spills arise from wrecks at depth, neutralisation of environmental impacts is difficult to achieve. Extracting oil from sunken tankers is expensive, and, unfortunately, all of the oil cannot be extracted, as the Prestige case demonstrates. We propose an environmentally appropriate, cost-effective and proactive method to stop the long-term problem of leaks from sunken tankers similar to the Prestige. This method confines the wreck with a "sediment" capping of sepiolite mineral that emulates a natural sediment...
March 23, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28339695/incidence-and-outcomes-of-infections-caused-by-multidrug-resistant-enterobacteriaceae-in-children-2007-2015
#18
Sharon B Meropol, Allison A Haupt, Sara M Debanne
Background.: The escalating incidence of invasive disease caused by multidrug-resistant Gram-negative enteric Enterobacteriaceae (MDR-GNE) is a global concern. Scant published studies in which the epidemiology of these infections in children is described exist; previous studies focused mainly on adults, described circumscribed populations, or lacked clinical detail. The objective of this study was to examine and describe the incidence, risk factors, and outcomes associated with MDR-GNE infection in children...
February 22, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28324923/topotecan-vincristine-doxorubicin-in-stage-4-high-risk-neuroblastoma-patients-failing-to-achieve-a-complete-metastatic-response-to-rapid-cojec-a-siopen-study
#19
Loredana Amoroso, Giovanni Erminio, Guy Makin, Andrew Dj Pearson, Penelope Brock, Dominique Valteau-Couanet, Victoria Castel, Marlène Pasquet, Genevieve Laureys, Caroline Thomas, Roberto Luksch, Ruth Ladenstein, Riccardo Haupt, Alberto Garaventa
Purpose: Metastatic response to induction therapy for high-risk neuroblastoma is a prognostic factor. In the International Society of Paediatric Oncology Europe Neuroblastoma (SIOPEN) HR-NBL-1 protocol, only patients with metastatic complete response (CR) or partial response (PR) with ≤3 abnormal skeletal areas on 123iodine-metaiodobenzylguanidine ([123I]mIBG) scintigraphy and no bone marrow disease proceed to high dose therapy (HDT). In this study, topotecan-vincristine-doxorubicin (TVD) was evaluated in patients failing to achieve these criteria, with the aim of improving the metastatic response rate...
March 21, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28304362/bdnf-variants-may-modulate-long-term-visual-memory-performance-in-a-healthy-cohort
#20
Nesli Avgan, Heidi G Sutherland, Lauren K Spriggens, Chieh Yu, Omar Ibrahim, Claire Bellis, Larisa M Haupt, David H K Shum, Lyn R Griffiths
Brain-derived neurotrophic factor (BDNF) is involved in numerous cognitive functions including learning and memory. BDNF plays an important role in synaptic plasticity in humans and rats with BDNF shown to be essential for the formation of long-term memories. We previously identified a significant association between the BDNF Val66Met polymorphism (rs6265) and long-term visual memory (p-value = 0.003) in a small cohort (n = 181) comprised of healthy individuals who had been phenotyped for various aspects of memory function...
March 17, 2017: International Journal of Molecular Sciences
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