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https://www.readbyqxmd.com/read/28214126/pulmonary-nodules-in-african-migrants-caused-by-chronic-schistosomiasis
#1
REVIEW
Federico Gobbi, Dora Buonfrate, Andrea Angheben, Anna Beltrame, Matteo Bassetti, Luca Bertolaccini, Giuseppe Bogina, Simone Caia, Silvia Duranti, Maria Gobbo, Valentina Marchese, Stefania Marocco, Maria Merelli, Geraldo Monteiro, Alberto Terzi, Zeno Bisoffi
Schistosomiasis is a neglected tropical disease that can cause mainly hepatic and genitourinary damage, depending on the species. Involvement of the lungs has been commonly described in acute infection (Katayama syndrome) and chronic infection (pulmonary hypertension). Although rarely reported in the scientific literature, cases of lung nodules due to chronic schistosome infection are also possible and are probably more frequent than commonly thought. Here we report seven cases of African migrants who were diagnosed with chronic schistosomiasis and pulmonary nodules due to deposition of schistosome eggs, and we compare our findings to the case reports found in the scientific literature...
February 14, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28213899/human-influence-and-biotic-homogenization-drive-the-distribution-of-escherichia-coli-virulence-genes-in-natural-habitats
#2
Adriana Cabal, Joaquin Vicente, Julio Alvarez, Jose Angel Barasona, Mariana Boadella, Lucas Dominguez, Christian Gortazar
Cattle are the main reservoirs for Shiga-toxin-producing Escherichia coli (STEC), the only known zoonotic intestinal E. coli pathotype. However, there are other intestinal pathotypes that can cause disease in humans, whose presence has been seldom investigated. Thus, our aim was to identify the effects of anthropic pressure and of wild and domestic ungulate abundance on the distribution and diversity of the main human E. coli pathotypes and nine of their representative virulence genes (VGs). We used a quantitative real-time PCR (qPCR) for the direct detection and quantification of the genus-specific gene uidA, nine E...
February 18, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28213892/opportunities-for-repurposing-of-poly-adp-ribose-polymerase-parp-inhibitors-for-the-therapy-of-non-oncological-diseases
#3
REVIEW
Nathan A Berger, Valerie C Besson, A Hamid Boulares, Alexander Bürkle, Alberto Chiarugi, Robert S Clark, Nicola J Curtin, Salvatore Cuzzocrea, Ted M Dawson, Valina L Dawson, György Haskó, Lucas Liaudet, Flavio Moroni, Pál Pacher, Peter Radermacher, Andrew L Salzman, Solomon H Snyder, Francisco Garcia Soriano, Robert P Strosznajder, Balázs Sümegi, Raymond A Swanson, Csaba Szabo
The recent clinical availability of the PARP inhibitor Lynparza (olaparib) opens the door for potential therapeutic repurposing for non-oncological indications. Considering (a) the preclinical efficacy data with PARP inhibitors in non-oncological diseases and (b) the risk-benefit ratio of treating patients with a compound that inhibits an enzyme that has physiological roles in the regulation of DNA repair, indications where (a) the severity of the disease is high, (b) the available therapeutic options are limited, and (c) the duration of PARP inhibitor administration could be short, provide first-line options for therapeutic repurposing...
February 18, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28213810/how-to-tackle-natural-focal-infections-from-risk-assessment-to-vaccination-strategies
#4
Luca Busani, Alexander E Platonov, Onder Ergonul, Giovanni Rezza
Natural focal diseases are caused by biological agents associated with specific landscapes. The natural focus of such diseases is defined as any natural ecosystem containing the pathogen's population as an essential component. In such context, the agent circulates independently on human presence, and humans may become accidentally infected through contact with vectors or reservoirs. Some viruses (i.e., tick-borne encephalitis and Congo-Crimean hemorrhagic fever virus) are paradigmatic examples of natural focal diseases...
February 18, 2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28213773/radioiodine-treatment-after-surgery-for-differentiated-thyroid-cancer-a-reasonable-option
#5
EDITORIAL
Jérôme Clerc, Frederik A Verburg, Anca M Avram, Luca Giovanella, Elif Hindié, David Taïeb
No abstract text is available yet for this article.
February 17, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28213765/association-between-signs-and-symptoms-of-bruxism-and-presence-of-tori-a-systematic-review
#6
Eduardo Bertazzo-Silveira, Juliana Stuginski-Barbosa, André Luís Porporatti, Bruce Dick, Carlos Flores-Mir, Daniele Manfredini, Graziela De Luca Canto
OBJECTIVE: This systematic review aims to answer the question: "Is there an association between any specific signs and symptoms of bruxism and the presence of tori?" MATERIAL AND METHODS: Observational studies, which evaluated the association between signs and symptoms of bruxism and tori, were selected. Signs and symptoms of bruxism (such as teeth grinding, jaw clenching, abnormal tooth wear, facial muscle hypertrophy, pain, or fatigue) had to be determined by questionnaire or anamnesis and tori within clinical assessment...
February 17, 2017: Clinical Oral Investigations
https://www.readbyqxmd.com/read/28213559/an-organelle-rna-recognition-motif-protein-is-required-for-photosynthetic-subunit-psbf-transcript-editing
#7
Justin B Hackett, Xiaowen Shi, Amy T Kobylarz, Meriah K Lucas, Ryan L Wessendorf, Kevin M Hines, Stephane Bentolila, Maureen Hanson, Yan Lu
Loss-of-function mutations in Organelle RNA Recognition Motif Protein 6 (ORRM6) result in near absence of RNA editing of psbF-C77 and reduction in accD-C794 editing in Arabidopsis (Arabidopsis thaliana). The orrm6 mutants have decreased levels of PSII proteins, especially PsbF, lower PSII activity, pale green pigmentation, smaller leaf and plant sizes, and retarded growth. Stable expression of ORRM6 rescues orrm6 editing defects and mutant phenotype. Unlike ORRM1, the other known ORRM plastid editing factor, ORRM6 does not contain RNA editing interacting protein/multiple organellar RNA editing factor (RIP/MORF) boxes, which are required for ORRM1 to interact with site-specific pentatricopeptide repeat (PPR) protein editing factors...
February 17, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28212810/chromosomal-instability-analysis-and-regional-tumor-heterogeneity-in-colon-cancer
#8
Vincenza Barresi, Sergio Castorina, Nicolò Musso, Carmela Capizzi, Tonia Luca, Giovanna Privitera, Daniele Filippo Condorelli
Chromosomal instability (CIN) is classically defined as an increase in the rate at which numerical or structural chromosomal aberrations are acquired in a cancer cell. The number of somatic copy number abnormalities (CNAs) revealed by high resolution genomic array can be considered as a surrogate marker for CIN, but several points, related to sample processing and data analysis, need to be standardized. In this work we analyzed 51 CRC samples and matched normal mucosae by whole genome SNP arrays and compared different bioinformatics tools in order to identify broad (>25% of a chromosomal arm) and focal somatic copy number abnormalities (BCNAs and FCNAs respectively)...
January 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28212808/next-generation-repeat-free-fish-probes-for-dna-amplification-in-glioblastoma-in-vivo-improving-patient-selection-to-mdm2-targeted-inhibitors
#9
Matteo Brunelli, Albino Eccher, Luca Cima, Tobia Trippini, Serena Pedron, Marco Chilosi, Mattia Barbareschi, Aldo Scarpa, Giampietro Pinna, Giulio Cabrini, Sara Pilotto, Luisa Carbognin, Emilio Bria, Giampaolo Tortora, Adele Fioravanzo, Nicola Schiavo, Mario Meglio, Teodoro Sava, Laura Belli, Guido Martignoni, Claudio Ghimenton
A next-generation FISH probe mapping to the MDM2 locus-specific region has recently been designed. The level of MDM2 gene amplification (high versus low) may allow selection of patients for cancer treatment with MDM2 inhibitors and may predict their responsiveness. We investigated the spectrum of MDM2 gene alterations using the new probes in vivo after visualizing single neoplastic cells in situ from a series of glioblastomas. Signals from next-generation repeat-free FISH interphase probes were identified in tissue microarrays that included 3 spots for each of the 48 cases...
January 2017: Cancer Genetics
https://www.readbyqxmd.com/read/28212789/laboratory-diagnosis-of-echinococcus-spp-in-human-patients-and-infected-animals
#10
M Siles-Lucas, A Casulli, F J Conraths, N Müller
Among the species composing the genus Echinococcus, four species are of human clinical interest. The most prevalent species are Echinococcus granulosus and Echinococcus multilocularis, followed by Echinococcus vogeli and Echinococcus oligarthrus. The first two species cause cystic echinococcosis (CE) and alveolar echinococcosis (AE) respectively. Both diseases have a complex clinical management, in which laboratory diagnosis could be an adjunctive to the imaging techniques. To date, several approaches have been described for the laboratory diagnosis and followup of CE and AE, including antibody, antigen and cytokine detection...
2017: Advances in Parasitology
https://www.readbyqxmd.com/read/28212568/an-anthocyanin-rich-strawberry-extract-induces-apoptosis-and-ros-while-decreases-glycolysis-and-fibrosis-in-human-uterine-leiomyoma-cells
#11
Md Soriful Islam, Francesca Giampieri, Milijana Janjusevic, Massimiliano Gasparrini, Tamara Y Forbes-Hernandez, Luca Mazzoni, Stefania Greco, Stefano Raffaele Giannubilo, Andrea Ciavattini, Bruno Mezzetti, Franco Capocasa, Mario Castellucci, Maurizio Battino, Pasquapina Ciarmela
Uterine leiomyomas are highly prevalent benign tumors in reproductive aged women. Unfortunately, medical treatments are still limited and no preventive therapies have been developed. In the present study, we investigated the therapeutic effects of strawberry extract on uterine leiomyoma cells. Leiomyoma and myometrial cells were treated with strawberry (cultivar Alba) extract (250 μg/ml) for 48 h to measure apoptosis, reactive oxygen species (ROS), oxidative phosphorylation (OCR, oxygen consumption rate) and glycolysis (ECAR, extracellular acidification rate) as well as fibrosis associated gene and/or protein expression...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212524/role-of-nrf2-and-protective-effects-of-metformin-against-tobacco-smoke-induced-cerebrovascular-toxicity
#12
Shikha Prasad, Ravi K Sajja, Mohammad Abul Kaisar, Jee Hyun Park, Heidi Villalba, Taylor Liles, Thomas Abbruscato, Luca Cucullo
Cigarette smoking (CS) is associated with vascular endothelial dysfunction in a causative way primarily related to the TS content of reactive oxygen species (ROS), nicotine, and inflammation. TS promotes glucose intolerance and increases the risk of developing type-2 diabetes mellitus (2DM) with which it shares other pathogenic traits including the high risk of cerebrovascular and neurological disorders like stroke via ROS generation, inflammation, and blood-brain barrier (BBB) impairment. Herein we provide evidence of the role played by nuclear factor erythroid 2-related factor (Nrf2) in CS-induced cerebrobvascular/BBB impairments and how these cerebrovascular harmful effects can be circumvented by the use of metformin (MF; a widely prescribed, firstline anti-diabetic drug) treatment...
February 12, 2017: Redox Biology
https://www.readbyqxmd.com/read/28212407/epidemiology-of-low-proteinuric-chronic-kidney-disease-in-renal-clinics
#13
Luca De Nicola, Michele Provenzano, Paolo Chiodini, Silvio Borrelli, Luigi Russo, Antonio Bellasi, Domenico Santoro, Giuseppe Conte, Roberto Minutolo
CKD patients with low-grade proteinuria (LP) are common in nephrology clinics. However, prevalence, characteristics, and the competing risks of ESRD and death as the specific determinants, are still unknown. We analyzed epidemiological features of LP status in a prospective cohort of 2,340 patients with CKD stage III-V referred from ≥6 months in 40 nephrology clinics in Italy. LP status was defined as proteinuria <0.5 g/24h according to current KDIGO guidelines. Patients with higher proteinuria constituted the control group (CON)...
2017: PloS One
https://www.readbyqxmd.com/read/28212207/summaries-of-plenary-and-selected-symposia-sessions-at-the-xxiv-world-congress-of-psychiatric-genetics-jerusalem-israel-30-october-2016-3-november-2016
#14
Liliana G Ciobanu, Anil P S Ori, Luca Pagliaroli, Renato Polimanti, Leticia M Spindola, John B Vincent, Freida K Cormack
The XXII World Congress of Psychiatric Genetics, sponsored by the International Society of Psychiatric Genetics, took place in Jerusalem, Israel, from 30 October 2016 to 3 November 2016. A total of 372 participants gathered to discuss the latest findings in the field. The following report was written by early career investigator travel awardees, and student and postdoctoral attendees. Each was assigned one or more sessions as a rapporteur. This manuscript represents topics covered in most, but not all of the presentations during the conference, and contains some of the major notable new findings reported...
April 2017: Psychiatric Genetics
https://www.readbyqxmd.com/read/28212178/the-long-journey-through-renal-filtration-new-pieces-in-the-puzzle-of-slit-diaphragm-architecture
#15
Sara Conti, Luca Perico, Florian Grahammer, Tobias B Huber
PURPOSE OF REVIEW: The podocyte slit diaphragm is probably the least understood component of the kidney filtration barrier. In this review, we aim to integrate the most recent findings on the molecular make-up and structural architecture of this specialized cell-cell junction into a current concept of glomerular filtration. RECENT FINDINGS: Analysis of cryopreserved mammalian tissue revealed a bipartite composition of the slit diaphragm. Single NEPH1 molecules span the lower part of the slit close to the glomerular basement membrane whereas NEPHRIN molecules are positioned in the apical part toward Bowman's space...
February 16, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28212135/the-role-of-residual-intrastent-thrombus-during-primary-angioplasty-insights-from-the-coctail-ii-study
#16
Laura Gatto, Enrico Romagnoli, Francesco Versaci, Ugo Limbruno, Tomasz Pawlowski, Italo Porto, Valeria Marco, Luca Di Vito, Fabrizio Imola, Alberto Cremonesi, Francesco Prati
AIMS: Recent frequency-domain optical coherence tomography studies showed that a complete removal of thrombotic materials is rarely achieved after percutaneous coronary interventions for ST segment elevation myocardial infarction. Residual intrastent thrombus can embolize distally leading to microcirculatory injury. The aim was to find a possible correlation between residual intrastent thrombus and angiographic indexes of myocardial reperfusion. METHODS: The population consisted of 128 ST segment elevation myocardial infarction patients enrolled in the COCTAIL II trial...
February 15, 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28211921/metronomic-capecitabine-versus-best-supportive-care-as-second-line-treatment-in-hepatocellular-carcinoma-a-retrospective-study
#17
Andrea Casadei Gardini, Flavia Foca, Mario Scartozzi, Nicola Silvestris, Emiliano Tamburini, Luca Faloppi, Oronzo Brunetti, Britt Rudnas, Salvatore Pisconti, Martina Valgiusti, Giorgia Marisi, Francesco Giuseppe Foschi, Giorgio Ercolani, Davide Tassinari, Stefano Cascinu, Giovanni Luca Frassineti
Preliminary studies suggest that capecitabine may be safe and effective in HCC patients. The aim of this study was to retrospectively evaluate the safety and efficacy of metronomic capecitabine as second-line treatment. This multicentric study retrospectively analyzed data of HCC patients unresponsive or intolerant to sorafenib treatment with metronomic capecitabine or best supportive care (BSC).Median progression free survival was 3.1 months in patients treated with capecitabine (95%CI: 2.7-3.5). Median overall survival was 12...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211843/performance-and-metabolic-demand-of-a-new-repeated-sprint-ability-test-in-basketball-players-does-the-number-of-changes-of-direction-matter
#18
Alessandro M Zagatto, Luca P Ardigò, Fabio A Barbieri, Fabio Milioni, Antonio Dello Iacono, Bruno H F Camargo, Johnny Padulo
This study compared two repeated-sprint ability tests in basketball players. Both tests included 10×30-m sprints, with the difference that the previously validated test (RSA2COD) featured two changes of direction (COD) per sprint, while the experimental test (RSA5COD) featured five CODs per sprint. Tests` performances and metabolic demands were specifically assessed in 20 basketball players. Firstly, RSA5COD test-retest reliability was investigated. Then RSA2COD, RSA5COD sprint times, peak speeds, oxygen uptake (VO2) and post-test blood lactate concentration [La] were measured...
November 5, 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/28211720/dynamical-response-near-quantum-critical-points
#19
Andrew Lucas, Snir Gazit, Daniel Podolsky, William Witczak-Krempa
We study high-frequency response functions, notably the optical conductivity, in the vicinity of quantum critical points (QCPs) by allowing for both detuning from the critical coupling and finite temperature. We consider general dimensions and dynamical exponents. This leads to a unified understanding of sum rules. In systems with emergent Lorentz invariance, powerful methods from quantum field theory allow us to fix the high-frequency response in terms of universal coefficients. We test our predictions analytically in the large-N O(N) model and using the gauge-gravity duality and numerically via quantum Monte Carlo simulations on a lattice model hosting the interacting superfluid-insulator QCP...
February 3, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28211707/relativistic-magnetic-reconnection-in-kerr-spacetime
#20
Felipe A Asenjo, Luca Comisso
The magnetic reconnection process is analyzed for relativistic magnetohydrodynamical plasmas around rotating black holes. A simple generalization of the Sweet-Parker model is used as a first approximation to the problem. The reconnection rate, as well as other important properties of the reconnection layer, has been calculated taking into account the effect of spacetime curvature. Azimuthal and radial current sheet configurations in the equatorial plane of the black hole have been studied, and the case of small black hole rotation rate has been analyzed...
February 3, 2017: Physical Review Letters
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