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https://www.readbyqxmd.com/read/29161778/highly-efficient-destruction-of-squamous-carcinoma-cells-of-the-head-and-neck-by-photochemical-internalization-of-ranpirnase
#1
Nora Liebers, Tim Holland-Letz, Mona Welschof, Anders Høgset, Dirk Jäger, Michaela A E Arndt, Jürgen Krauss
Introduction: Photochemical Internalization is a novel drug delivery technology for cancer treatment based on the principle of Photodynamic Treatment. Using a photosensitizer that locates in endocytic vesicles membranes of tumor cells, Photochemical internalization enables cytosolic release of endocytosed antitumor agents in a site-specific manner. The purpose of the present in-vitro study was to explore whether Photochemical Internalization is able to enhance the efficacy of Ranpirnase, a cytotoxic amphibian ribonuclease, for eradication of squamous cell carcinoma of the head and neck...
November 2017: Journal of Experimental Therapeutics & Oncology
https://www.readbyqxmd.com/read/29160944/ketogenic-diet-suppresses-alcohol-withdrawal-syndrome-in-rats
#2
Ditte Dencker, Anna Molander, Morgane Thomsen, Chantal Schlumberger, Gitta Wortwein, Pia Weikop, Helene Benveniste, Nora D Volkow, Anders Fink-Jensen
BACKGROUND: Alcohol use disorder is under-diagnosed and under-treated, and up to 50% of alcohol abstinent patients diagnosed with alcohol dependence relapse within the first year of treatment. Current treatments for the maintenance of alcohol abstinence in patients with alcohol use disorder have limited efficacy, and there is an urgent need for novel treatment strategies. Decreased cerebral glucose metabolism and increased brain uptake of acetate was recently reported in heavy drinkers, relative to controls...
November 21, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/29160336/relationship-between-the-caregiver-s-report-on-the-patient-s-spontaneous-speech-and-the-brief-aphasia-evaluation
#3
Nora Silvana Vigliecca
PURPOSE: To study the relationship between the caregiver's perception about the patient's impairment in spontaneous speech, according to an item of four questions administered by semi-structured interview, and the patient's performance in the Brief Aphasia Evaluation (BAE). METHODS: 102 right-handed patients with focal brain lesions of different types and location were examined. BAE is a valid and reliable instrument to assess aphasia. The caregiver's perception was correlated with the item of spontaneous speech, the total score and the three main factors of the BAE: Expression, Comprehension and Complementary factors...
November 9, 2017: CoDAS
https://www.readbyqxmd.com/read/29159403/not-your-typical-st-elevation-myocardial-infarction
#4
Alicia Morehead-Gee, Arun Padmanabhan, Nora Goldschlager
No abstract text is available yet for this article.
November 20, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/29158570/expression-of-sry-related-hmg-box-transcription-factors-sox-2-and-9-in-craniopharyngioma-subtypes-and-surrounding-brain-tissue
#5
Vivian Thimsen, Nora John, Michael Buchfelder, Jörg Flitsch, Rudolf Fahlbusch, Harald Stefanits, Engelbert Knosp, Marco Losa, Rolf Buslei, Annett Hölsken
Stem cells have been discovered as key players in the genesis of different neoplasms including craniopharyngioma (CP), a rare tumour entity in the sellar region. Sox2 and Sox9 are well-known stem cell markers involved in pituitary development. In this study we analysed the expression of both transcription factors using immunohistochemistry in a large cohort of 64 adamantinomatous (aCP) and 9 papillary CP (pCP) and quantitative PCR in 26 aCP and 7 pCP. Whereas immunohistochemically Sox2+ cells were verifiable in only five aCP (7...
November 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29158437/cardiac-magnetic-resonance-imaging-in-myocarditis-reveals-persistent-disease-activity-despite-normalization-of-cardiac-enzymes-and-inflammatory-parameters-at-3-month-follow-up
#6
Jan Berg, Jan Kottwitz, Nora Baltensperger, Christine K Kissel, Marina Lovrinovic, Tarun Mehra, Frank Scherff, Christian Schmied, Christian Templin, Thomas F Lüscher, Bettina Heidecker, Robert Manka
BACKGROUND: There is a major unmet need to identify high-risk patients in myocarditis. Although decreasing cardiac and inflammatory markers are commonly interpreted as resolving myocarditis, this assumption has not been confirmed as of today. We sought to evaluate whether routine laboratory parameters at diagnosis predict dynamic of late gadolinium enhancement (LGE) as persistent LGE has been shown to be a risk marker in myocarditis. METHODS AND RESULTS: Myocarditis was diagnosed based on clinical presentation, high-sensitivity troponin T, and cardiac magnetic resonance imaging, after exclusion of obstructive coronary artery disease by angiography...
November 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29158340/effects-of-black-raspberry-on-dibenzo-a-l-pyrene-diol-epoxide-induced-dna-adducts-mutagenesis-and-tumorigenesis-in-the-mouse-oral-cavity
#7
Kun-Ming Chen, Joseph B Guttenplan, Yuan-Wan Sun, Timothy Cooper, Nora Ae Shalaby, Wieslawa Kosinska, Gabrielle Benitez, Cesar Aliaga, Junjia Zhu, Jason Liao, Krishne Gowda, Shantu Amin, Gary Stoner, Karam El-Bayoumy
We previously showed that metabolic activation of the environmental and tobacco smoke constituent dibenzo[a,l]pyrene (DB[a,l]P) to its active fjord region diol epoxide (DB[a,l]PDE) is required to induce DNA damage, mutagenesis and squamous cell carcinoma (SCC) in the mouse oral cavity. In contrast to procarcinogens which were employed previously to induce SCC, DB[a,l]PDE does not require metabolic activation to exert its biological effects and thus, this study was initiated to examine, for the first time, whether black raspberry powder (BRB) inhibits post-metabolic processes such as DNA damage, mutagenesis and tumorigenesis...
November 20, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/29158072/test-retest-reliability-of-longitudinal-task-based-fmri-implications-for-developmental-studies
#8
REVIEW
Megan M Herting, Prapti Gautam, Zhanghua Chen, Adam Mezher, Nora C Vetter
Great advances have been made in functional Magnetic Resonance Imaging (fMRI) studies, including the use of longitudinal design to more accurately identify changes in brain development across childhood and adolescence. While longitudinal fMRI studies are necessary for our understanding of typical and atypical patterns of brain development, the variability observed in fMRI blood-oxygen-level dependent (BOLD) signal and its test-retest reliability in developing populations remain a concern. Here we review the current state of test-retest reliability for child and adolescent fMRI studies (ages 5-18 years) as indexed by intraclass correlation coefficients (ICC)...
July 13, 2017: Developmental Cognitive Neuroscience
https://www.readbyqxmd.com/read/29157370/bayesian-estimation-of-true-prevalence-sensitivity-and-specificity-of-three-diagnostic-tests-for-detection-of-escherichia-coli-o157-in-cattle-feces
#9
Pius S Ekong, Michael W Sanderson, Nora M Bello, Lance W Noll, Natalia Cernicchiaro, David G Renter, Jianfa Bai, T G Nagaraja
Cattle are a reservoir for Escherichia coli O157 and they shed the pathogen in their feces. Fecal contaminants on the hides can be transferred onto carcasses during processing at slaughter plants, thereby serving as a source of foodborne infection in humans. The detection of E. coli O157 in cattle feces is based on culture, immunological, and molecular methods We evaluated the diagnostic sensitivity and specificity of one culture- and two PCR-based tests for the detection of E. coli O157 in cattle feces, and its true prevalence using a Bayesian implementation of latent class models...
December 1, 2017: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/29156783/isolation-of-circulating-tumor-cells-from-pancreatic-cancer-by-automated-filtration
#10
Nora Brychta, Michael Drosch, Christiane Driemel, Johannes C Fischer, Rui P Neves, Irene Esposito, Wolfram Knoefel, Birte Möhlendick, Claudia Hille, Antje Stresemann, Thomas Krahn, Matthias U Kassack, Nikolas H Stoecklein, Oliver von Ahsen
It is now widely recognized that the isolation of circulating tumor cells based on cell surface markers might be hindered by variability in their protein expression. Especially in pancreatic cancer, isolation based only on EpCAM expression has produced very diverse results. Methods that are independent of surface markers and therefore independent of phenotypical changes in the circulating cells might increase CTC recovery also in pancreatic cancer. We compared an EpCAM-dependent (IsoFlux) and a size-dependent (automated Siemens Healthineers filtration device) isolation method for the enrichment of pancreatic cancer CTCs...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29156472/sop-akantham%C3%A3-benkeratitis-%C3%A2-klinische-zeichen-diagnose-therapie
#11
Nóra Szentmáry, Loay Daas, Lei Shi, Kornelia Lenke Laurik, Berthold Seitz
No abstract text is available yet for this article.
November 20, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29155883/admixture-mapping-in-the-hispanic-community-health-study-study-of-latinos-reveals-regions-of-genetic-associations-with-blood-pressure-traits
#12
Tamar Sofer, Leslie J Baier, Sharon R Browning, Timothy A Thornton, Gregory A Talavera, Sylvia Wassertheil-Smoller, Martha L Daviglus, Robert Hanson, Sayuko Kobes, Richard S Cooper, Jianwen Cai, Daniel Levy, Alex P Reiner, Nora Franceschini
Admixture mapping can be used to detect genetic association regions in admixed populations, such as Hispanics/Latinos, by estimating associations between local ancestry allele counts and the trait of interest. We performed admixture mapping of the blood pressure traits systolic and diastolic blood pressure (SBP, DBP), mean arterial pressure (MAP), and pulse pressure (PP), in a dataset of 12,116 participants from the Hispanic Community Health Study/Study of Latinos (HCHS/SOL). Hispanics/Latinos have three predominant ancestral populations (European, African, and Amerindian), for each of which we separately tested local ancestry intervals across the genome...
2017: PloS One
https://www.readbyqxmd.com/read/29154809/facilitated-acquisition-of-the-classically-conditioned-eyeblink-response-in-active-duty-military-expressing-posttraumatic-stress-disorder-symptoms
#13
Justin D Handy, Pelin Avcu, Nora Ko, Alejandro Ortiz, Michael J Doria, Richard J Servatius
OBJECTIVE: Learning diathesis models underscore the role of hyper-conditioning in the development of PTSD following trauma exposure. Eyeblink classical conditioning is one method of examining associative learning biases independent of fear and threat produced by trauma. Facilitated learning is apparent in individuals self-expressing PTSD symptoms, as well as behaviorally inhibited (BI) temperament, a vulnerability factor for PTSD. Here, we examine eyeblink conditioning in active duty military personnel and relate learning with PTSD symptomology...
November 14, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/29151864/dissecting-functional-components-of-reproductive-isolation-among-closely-related-sympatric-species-of-the-anopheles-gambiae-complex
#14
Marco Pombi, Pierre Kengne, Geoffrey Gimonneau, Billy Tene-Fossog, Diego Ayala, Colince Kamdem, Federica Santolamazza, Wamdaogo Moussa Guelbeogo, N'Falé Sagnon, Vincenzo Petrarca, Didier Fontenille, Nora J Besansky, Christophe Antonio-Nkondjio, Roch Kounbobr Dabiré, Alessandra Della Torre, Frédéric Simard, Carlo Costantini
Explaining how and why reproductive isolation evolves and determining which forms of reproductive isolation have the largest impact on the process of population divergence are major goals in the study of speciation. By studying recent adaptive radiations in incompletely isolated taxa, it is possible to identify barriers involved at early divergence before other confounding barriers emerge after speciation is complete. Sibling species of the Anopheles gambiae complex offer opportunities to provide insights into speciation mechanisms...
December 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29150734/the-sirtuin-1-2-inhibitor-tenovin-1-induces-a-nonlinear-apoptosis-inducing-factor-dependent-cell-death-in-a-p53-null-ewing-s-sarcoma-cell-line
#15
Christian Marx, Lisa Marx-Blümel, Nora Lindig, René Thierbach, Doerte Hoelzer, Sabine Becker, Susan Wittig, Roland Lehmann, Hortense Slevogt, Thorsten Heinzel, Zhao-Qi Wang, James F Beck, Jürgen Sonnemann
The sirtuin 1/2 inhibitor tenovin-1 activates p53 and may have potential in the management of cancer. Here, we investigated the responsiveness of Ewing's sarcoma cells to tenovin-1. We examined its effects in two Ewing's sarcoma cell lines with different p53 status, i.e. in p53 wild-type and p53 null cells. Effects were assessed by flow cytometric analyses of cell death, mitochondrial membrane depolarization and reactive oxygen species (ROS) generation, by caspase 3/7 activity measurement, by mRNA expression profiling and by immunoblotting...
November 18, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/29150730/racial-differences-in-symptom-management-experiences-during-breast-cancer-treatment
#16
Cleo A Samuel, Jennifer Schaal, Linda Robertson, Jemeia Kollie, Stephanie Baker, Kristin Black, Olive Mbah, Crystal Dixon, Katrina Ellis, Eugenia Eng, Fatima Guerrab, Nora Jones, Amanda Kotey, Claire Morse, Jessica Taylor, Vickie Whitt, Samuel Cykert
PURPOSE: Racial disparities in cancer treatment-related symptom burden are well documented and linked to worse treatment outcomes. Yet, little is known about racial differences in patients' treatment-related symptom management experiences. Such understanding can help identify modifiable drivers of symptom burden inequities. As part of the Cancer Health Accountability for Managing Pain and Symptoms (CHAMPS) study, we examined racial differences in symptom management experiences among Black and White breast cancer survivors (BCS)...
November 18, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29150716/slow-life-histories-in-lizards-living-in-the-highlands-of-the-andes-mountains
#17
Jorgelina M Boretto, Facundo Cabezas-Cartes, Nora R Ibargüengoytía
In the highlands of the Andes, lizards must balance precisely the allocation of energy for growth and reproduction to ensure their survival. We studied the individuals' age, growth rates, age at sexual maturity, and maximum life span of the viviparous lizard Phymaturus antofagastensis, endemic of cold and harsh environments at high altitudes in the Andes Mountains of Catamarca province, Argentina. We also estimated key life history parameters like reproductive effort, lifetime reproductive effort, net reproductive rate, and relative reproductive time in P...
November 17, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/29150278/a-hypothetical-role-for-notch-signaling-pathway-in-immunopathogenesis-of-leprosy
#18
Héctor Serrano-Coll, Liliana Acevedo-Saenz, Nora Cardona-Castro
Leprosy is a chronic infectious disease caused by Mycobacterium leprae mainly affecting skin and peripheral nerves. Leprosy has a broad range of clinical manifestations that range from mild (tuberculoid leprosy) to severe (lepromatous leprosy) forms, and are highly dependent on the host's immune response. Among the immune response elements involved in the pathogenesis of leprosy are the Toll-like receptors (TLRs), vitamin D receptor (VDR), natural killer cells (NK), and T cells. These innate and adaptive immune response elements may be related to the Notch signaling pathway, which is involved in immune cell growth, differentiation, and proliferation...
November 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/29150199/medications-for-opioid-use-disorder-bridging-the-gap-in-care
#19
Nora D Volkow
No abstract text is available yet for this article.
November 14, 2017: Lancet
https://www.readbyqxmd.com/read/29146897/gwas-for-male-pattern-baldness-identifies-71-susceptibility-loci-explaining-38-of-the-risk
#20
Nicola Pirastu, Peter K Joshi, Paul S de Vries, Marilyn C Cornelis, Paul M McKeigue, NaNa Keum, Nora Franceschini, Marco Colombo, Edward L Giovannucci, Athina Spiliopoulou, Lude Franke, Kari E North, Peter Kraft, Alanna C Morrison, Tõnu Esko, James F Wilson
Male pattern baldness (MPB) or androgenetic alopecia is one of the most common conditions affecting men, reaching a prevalence of ~50% by the age of 50; however, the known genes explain little of the heritability. Here, we present the results of a genome-wide association study including more than 70,000 men, identifying 71 independently replicated loci, of which 30 are novel. These loci explain 38% of the risk, suggesting that MPB is less genetically complex than other complex traits. We show that many of these loci contain genes that are relevant to the pathology and highlight pathways and functions underlying baldness...
November 17, 2017: Nature Communications
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