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https://www.readbyqxmd.com/read/29679790/towards-quality-and-order-in-human-papillomavirus-research
#1
Laila Sara Arroyo Mühr, Carina Eklund, Joakim Dillner
The International Human Papillomavirus (HPV) Reference Center supports quality and order in HPV research and diagnostics. Notably, the center assigns HPV type numbers to novel HPV types, maintains a reference clone repository, and issues international proficiency panels for HPV genotyping. The established HPV types, currently up to HPV225, belong to 5 different genera: alpha (65 types), beta (54 types), gamma (98 types), mu (3 types) and nu (1 type). Since 2014, 23 novel types have been established, 82.6% of which belong to the gamma genus...
April 18, 2018: Virology
https://www.readbyqxmd.com/read/29679764/meat-reintroduction-in-a-patient-with-alpha-gal-allergy
#2
Teresa Pelletier, Santiago Alvarez-Arango, F N U Sameeta, Ellen Manos, Elina Jerschow
No abstract text is available yet for this article.
April 18, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29679653/effects-of-selective-serotonin-reuptake-inhibitors-ssris-on-human-villous-trophoblasts-syncytialization
#3
Hélène Clabault, Denis Flipo, Jean Guibourdenche, Thierry Fournier, Thomas Sanderson, Cathy Vaillancourt
Selective serotonin-reuptake inhibitors (SSRIs) are the most commonly prescribed antidepressants during pregnancy. The human placenta is a highly specialized organ supporting normal growth and development of the fetus. Therefore, this study aims to analyze the effects of SSRIs on villous cytotrophoblasts cells, using BeWo cells and human placental trophoblast cells in primary culture. The SSRIs fluoxetine and its metabolite norfluoxetine, sertraline and venlafaxine did not affect BeWo cell proliferation and viability, nor the percentage of M30-positive (apoptotic) primary trophoblast cells...
April 18, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29679637/recent-stimulant-use-and-leukocyte-gene-expression-in-methamphetamine-users-with-treated-hiv-infection
#4
Adam W Carrico, Annesa Flentje, Kord Kober, Sulggi Lee, Peter Hunt, Elise D Riley, Steven Shoptaw, R N Elena Flowers, Samantha E Dilworth, Savita Pahwa, Bradley E Aouizerat
Stimulant use may accelerate HIV disease progression through biological and behavioral pathways. However, scant research with treated HIV-positive persons has examined stimulant-associated alterations in pathophysiologic processes relevant to HIV pathogenesis. In a sample of 55 HIV-positive, methamphetamine-using sexual minority men with a viral load less than 200 copies/mL, we conducted RNA sequencing to examine patterns of leukocyte gene expression in participants who had a urine sample that was reactive for stimulants (n = 27) as compared to those who tested non-reactive (n = 28)...
April 18, 2018: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/29679519/designing-anticancer-peptides-by-constructive-machine-learning
#5
Francesca Grisoni, Claudia Neuhaus, Gisela Gabernet, Alex Müller, Jan Hiss, Gisbert Schneider
Constructive machine learning enables the automated generation of novel chemical structures without the need for explicit molecular design rules. This study presents the experimental application of such a generative model to design membranolytic anticancer peptides (ACPs) de novo. A recurrent neural network with long short-term memory cells was trained on alpha-helical cationic amphipathic peptide sequences and then fine-tuned with 26 known ACPs. This optimized model was used to generate unique and novel amino acid sequences...
April 21, 2018: ChemMedChem
https://www.readbyqxmd.com/read/29679381/comparative-gel-based-proteomic-analysis-of-chemically-crosslinked-complexes-in-dystrophic-skeletal-muscle
#6
Sandra Murphy, Margit Zweyer, Rustam R Mundegar, Dieter Swandulla, Kay Ohlendieck
Duchenne muscular dystrophy is a highly progressive muscle wasting disease with a complex pathophysiology that is based on primary abnormalities in the dystrophin gene. In order to study potential changes in the oligomerisation of high-molecular-mass protein complexes in dystrophic skeletal muscle, chemical crosslinking was combined with mass spectrometric analysis. The biochemical stabilization of protein interactions was carried out with the homo-bifunctional and amine-reactive agent bis[sulfosuccinimidyl]suberate, followed by protein shift analysis in one-dimensional gels...
April 20, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29678953/metabolic-adjustment-to-high-altitude-hypoxia-from-genetic-signals-to-physiological-implications
#7
REVIEW
Andrew J Murray, Hugh E Montgomery, Martin Feelisch, Michael P W Grocott, Daniel S Martin
Ascent to high altitude is associated with physiological responses that counter the stress of hypobaric hypoxia by increasing oxygen delivery and by altering tissue oxygen utilisation via metabolic modulation. At the cellular level, the transcriptional response to hypoxia is mediated by the hypoxia-inducible factor (HIF) pathway and results in promotion of glycolytic capacity and suppression of oxidative metabolism. In Tibetan highlanders, gene variants encoding components of the HIF pathway have undergone selection and are associated with adaptive phenotypic changes, including suppression of erythropoiesis and increased blood lactate levels...
April 20, 2018: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29678923/eje-prize-2018-a-gut-feeling-about-glucagon
#8
Filip Krag Knop
Hyperglucagonaemia (in the fasting as well as in the postprandial state) is considered a core pathophysiological component of diabetes and to contribute substantially to the hyperglycaemic state of diabetes. Hyperglucagonaemia is usually viewed upon as a consequence of pancreatic alpha cell insensitivity to the glucagon-suppressive effects of glucose and insulin. Since we observed that the well-known hyperglucagonaemic response to oral glucose in patients with type 2 diabetes is exchanged by normal suppression of plasma glucagon levels following isoglycaemic intravenous glucose administration in these patients, we have been focusing on the gut and gut-derived factors as potential mediators of diabetic hyperglucagonaemia...
April 20, 2018: European Journal of Endocrinology
https://www.readbyqxmd.com/read/29678906/rnai-screening-identifies-a-mechanosensitive-rock-jak2-stat3-network-central-to-myofibroblast-activation
#9
Raymond S Oh, Andrew J Haak, Karry M J Smith, Giovanni Ligresti, Kyoung Moo Choi, Tiao Xie, Shaohua Wang, Paula R Walters, Michael A Thompson, Michelle R Freeman, Logan J Manlove, Vivian M Chu, Carol Feghali-Bostwick, Anja C Roden, Jürgen Schymeinsky, Christina M Pabelick, Y S Prakash, Robert Vassallo, Daniel J Tschumperlin
Myofibroblasts play key roles in wound healing and pathologic fibrosis. Here we undertook an RNAi screen to characterize myofibroblast regulatory genes, using a high-content imaging approach to quantify alpha-smooth muscle actin stress fibers in cultured human fibroblasts. Screen hits were validated on physiological compliance hydrogels, and selected hits tested in primary fibroblasts from patients with idiopathic pulmonary fibrosis. Our RNAi screen led to the identification of STAT3 as an essential mediator of myofibroblast activation and function...
April 20, 2018: Journal of Cell Science
https://www.readbyqxmd.com/read/29678800/the-korean-ehealth-literacy-scale-k-eheals-reliability-and-validity-testing-in-younger-adults-recruited-online
#10
SeonYoon Chung, Bu Kyung Park, Eun-Shim Nahm
BACKGROUND: In this digital era, eHealth literacy is an essential skill set to leverage health information available online to promote health outcomes. South Korea has an advanced health information technology infrastructure, including widespread use of the internet and mobile phones. A few studies have explored eHealth literacy in South Korea using translated versions of the eHEALS; however, they were not fully validated. A unified reliable and valid assessment tool is critical to assess and enhance the eHealth literacy level across the population...
April 20, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29678798/analysis-of-college-students-personal-health-information-activities-online-survey
#11
Sujin Kim, Donghee Sinn, Sue Yeon Syn
BACKGROUND: With abundant personal health information at hand, individuals are faced with a critical challenge in evaluating the informational value of health care records to keep useful information and discard that which is determined useless. Young, healthy college students who were previously dependents of adult parents or caregivers are less likely to be concerned with disease management. Personal health information management (PHIM) is a special case of personal information management (PIM) that is associated with multiple interactions among varying stakeholders and systems...
April 20, 2018: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29678764/relation-of-nnos-isoforms-to-mitochondrial-density-and-pgc-1alpha-expression-in-striated-muscles-of-mice
#12
Oliver Baum, Dea Aaldijk, Anna Lena Engeli, Matthias Spree, Serge Summermatter, Christoph Handschin, Andreas Zakrzewicz
The expression of neuronal NO synthase (nNOS) alpha- and beta-isoforms in skeletal muscle is well documented but only little information is available about their regulation/functions. Using different mouse models, we now assessed whether the expression of nNOS-isoforms in muscle fibers is related to mitochondria content/activity and regulated by peroxisome proliferator-activated receptor gamma coactivator-1alpha (PGC-1alpha). Catalytic histochemistry revealed highest nNOS-concentrations to be present in type-2 oxidative muscle fibers...
April 17, 2018: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/29678725/cloning-and-characterization-of-a-second-lamprey-pituitary-glycoprotein-hormone-thyrostimulin-gpa2-gpb5
#13
Krist N Hausken, Belen Tizo, Michal Shpilman, Shannon Barton, Wayne Decatur, David Plachetzki, Scott Kavanaugh, Sabah Ul-Hasan, Berta Levavi-Sivan, Stacia A Sower
A novel heterodimeric glycoprotein hormone (GpH) comprised of alpha (GpA2) and beta (GpB5) subunits was discovered in 2002 and called thyrostimulin for its ability to activate the TSH receptor in mammals, but its central function in vertebrates has not been firmly established. We report here the cloning and expression of lamprey (l)GpB5, and its ability to heterodimerize with lGpA2 to form a functional l-thyrostimulin. The full-length cDNA of lGpB5 encodes 174 amino acids with ten conserved cysteine residues and one glycosylation site that is conserved with other vertebrate GpB5 sequences...
April 17, 2018: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29678527/the-effect-of-neoadjuvant-androgen-deprivation-therapy-on-tumor-hypoxia-in-high-grade-prostate-cancer-an-18-f-miso-pet-mri-study
#14
Ismini C Mainta, Thomas Zilli, Jean-Christophe Tille, Thomas De Perrot, Jean-Paul Vallée, Franz Buchegger, Valentina Garibotto, Raymond Miralbell
PURPOSE: Tumor hypoxia is associated with radioresistance and poor prognosis after radiation therapy for prostate cancer (PCa). In this prospective pilot study, we assessed the ability of 18 F-misonidazole (18 F-MISO) positron emission tomography (PET)-magnetic resonance imaging (MRI) to detect hypoxia in high-grade PCa patients who were candidates for curative radiation therapy, and we evaluated 18 F-MISO PET-MRI modulation after 3 months of neoadjuvant androgen deprivation therapy (nADT)...
March 8, 2018: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29678518/pattern-recognition-receptors-mediate-pro-inflammatory-effects-of-extracellular-mitochondrial-transcription-factor-a-tfam
#15
Stephanie M Schindler, Matthew G Frank, Jessica L Annis, Steven F Maier, Andis Klegeris
Neuroinflammation is a common pathogenic mechanism for a number of neurodegenerative disorders including Alzheimer's and Parkinson's diseases. Microglia, the immune cells of the brain, contribute to the onset and progression of the neuroinflammation observed in these diseases. Microglia become activated and initiate an inflammatory response by interacting with a diverse set of molecules, including the group of endogenous proteins released upon cell damage, termed damage-associated molecular patterns (DAMPs)...
April 17, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29678492/hmga1a-induces-alternative-splicing-of-estrogen-receptor-alpha-in-mcf-7-human-breast-cancer-cells
#16
Kenji Ohe, Shinsuke Miyajima, Tomoko Tanaka, Yuriko Hamaguchi, Yoshihiro Harada, Yuta Horita, Yuki Beppu, Fumiaki Ito, Takafumi Yamasaki, Hiroki Terai, Masayoshi Mori, Yusuke Murata, Makito Tanabe, Kenji Ashida, Munechika Enjoji, Toshihiko Yanase, Nobuhiro Harada, Toshiaki Utsumi, Akila Mayeda
The high-mobility group A protein 1a (HMGA1a) protein is known as an oncogene whose expression level in cancer tissue correlates with the malignant potential, and known as a component of senescence-related structures connecting it to tumor suppressor networks in fibroblasts. HMGA1 protein binds to DNA, but recent studies have shown it exerts novel functions through RNA-binding. Our previous studies have shown that sequence-specific RNA-binding of HMGA1a induces exon-skipping of Presenilin-2 exon 5 in sporadic Alzheimer disease...
April 17, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29678451/the-work-related-questionnaire-for-upper-extremity-disorders-worq-up-factor-analysis-and-internal-consistency
#17
Bas R J Aerts, P Paul F M Kuijer, Annechien Beumer, Denise Eygendaal, Monique H W Frings-Dresen
OBJECTIVE: A 17-item questionnaire, the Work-Related Questionnaire for the UPper extremity (WORQ-UP) was tested for dimensionality of the items (factor analysis) and internal consistency. DESIGN: Cross-sectional study SETTING: Outpatient clinic PARTICIPANTS: All new referral patients (either from a general physician or other hospital), that visited the orthopaedic outpatient clinic of the Upper Limb Unit, were asked to participate in the study if they met the inclusion criteria...
April 17, 2018: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/29678187/an-unexpected-cause-of-sacroiliitis-in-a-patient-with-gout-and-chronic-psoriasis-with-inflammatory-arthritis-a-case-report
#18
Safi Alqatari, Roberta Visevic, Nina Marshall, John Ryan, Grainne Murphy
BACKGROUND: Inflammatory back pain is a condition characterized by inflammation of the sacroiliac joints and lower spine. It is frequently seen in patients with spondyloarthropathies like ankylosing spondylitis, psoriatic arthritis, enteropathic arthritis and reactive arthritis. Inflammatory back pain can be caused by many other conditions like infection and crystal deposition such as gout. In this case, it is difficult to specifically identify gout as a cause by ordinary imaging like magnetic resonance imaging (MRI) or ultrasound...
April 20, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29678144/interferon-alpha-as-antiviral-therapy-in-chronic-active-epstein-barr-virus-disease-with-interstitial-pneumonia-case-report
#19
Jacek Roliński, Ewelina Grywalska, Aleksandra Pyzik, Michał Dzik, Violetta Opoka-Winiarska, Agata Surdacka, Maciej Maj, Franciszek Burdan, Michał Pirożyński, Piotr Grabarczyk, Elżbieta Starosławska
BACKGROUND: Chronic active Epstein-Barr virus (EBV) disease (CAEBV) is defined as a severe, progressive lymphoproliferative disorder associated with active EBV infection persisting longer than 6 months and developing in patients without recognised immunodeficiency. Rarely, interstitial pneumonitis (IP) occurs as a serious complication in CAEBV patients. The standard therapeutic regimen for IP in CAEBV has not yet been defined. Although interferon alpha (IFN-alpha) is known to suppress viral DNA replication by affecting its basal promoter activation process, it is rarely used in CAEBV patients...
April 20, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29677641/a-randomised-controlled-trial-of-1-year-adjuvant-chemotherapy-with-oral-tegafur-uracil-versus-surgery-alone-in-stage-ii-colon-cancer-sacura-trial
#20
Chu Matsuda, Megumi Ishiguro, Satoshi Teramukai, Yoshiki Kajiwara, Shoichi Fujii, Yusuke Kinugasa, Yoshihiko Nakamoto, Masanori Kotake, Yoshiyuki Sakamoto, Kiyotaka Kurachi, Atsuyuki Maeda, Koji Komori, Naohiro Tomita, Yasuhiro Shimada, Keiichi Takahashi, Kenjiro Kotake, Masahiko Watanabe, Hidetaka Mochizuki, Yoko Nakagawa, Kenichi Sugihara
BACKGROUND: Efficacy of adjuvant chemotherapy in patients with stage II colon cancer is still controversial. The SACURA trial is a randomised-controlled study evaluating the superiority of 1-year adjuvant treatment with oral tegafur-uracil (UFT) to surgery alone for stage II colon cancer. METHODS: Patients were randomly assigned to the surgery-alone group or UFT group (UFT at 500-600 mg/day for 5 days, followed by 2-day rest, for 1 year). The primary end-point was disease-free survival (DFS)...
April 17, 2018: European Journal of Cancer
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