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https://www.readbyqxmd.com/read/28637198/multi-target-activity-of-hemidesmus-indicus-decoction-against-innovative-hiv-1-drug-targets-and-characterization-of-lupeol-mode-of-action
#1
Francesca Esposito, Manuela Mandrone, Claudia Del Vecchio, Ilaria Carli, Simona Distinto, Angela Corona, Mariacaterina Lianza, Dario Piano, Massimo Tacchini, Elias Maccioni, Filippo Cottiglia, Elisa Saccon, Ferruccio Poli, Cristina Parolin, Enzo Tramontano
Despite the availability of several anti-retrovirals there is still an urgent need for developing novel therapeutic strategies and finding new drugs against underexplored HIV-1 targets. Among them, there are the HIV-1 Reverse Transcriptase (RT)-associated Ribonuclease H (RNase H) function and the cellular α-glucosidase, involved in the control mechanisms of N-linked glycoproteins formation in the endoplasmic reticulum. It is known that many natural compounds, such as pentacyclic triterpenes, are a promising class of HIV-1 inhibitors...
June 20, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28636971/simulated-long-term-effects-of-varying-tree-retention-on-wood-production-dead-wood-and-carbon-stock-changes
#2
Francesca Santaniello, Line B Djupström, Thomas Ranius, Jan Weslien, Jörgen Rudolphi, Johan Sonesson
Boreal forests are an important source of timber and pulp wood, but provide also other products and services. Utilizing a simulation program and field data from a tree retention experiment in a Scots pine forest in central Sweden, we simulated the consequences during the following 100 years of various levels of retention on production of merchantable wood, dead wood input (as a proxy for biodiversity), and carbon stock changes. At the stand level, wood production decreased with increased retention levels, while dead wood input and carbon stock increased...
June 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28636930/a-tonoplast-p3b-atpase-mediates-fusion-of-two-types-of-vacuoles-in-petal-cells
#3
Marianna Faraco, Yanbang Li, Shuangjiang Li, Cornelis Spelt, Gian Pietro Di Sansebastiano, Lara Reale, Francesco Ferranti, Walter Verweij, Ronald Koes, Francesca M Quattrocchio
It is known that plant cells can contain multiple distinct vacuoles; however, the abundance of multivacuolar cells and the mechanisms underlying vacuolar differentiation and communication among different types of vacuoles remain unknown. PH1 and PH5 are tonoplast P-ATPases that form a heteromeric pump that hyper-acidifies the central vacuole (CV) of epidermal cells in petunia petals. Here, we show that the sorting of this pump and other vacuolar proteins to the CV involves transit through small vacuoles: vacuolinos...
June 20, 2017: Cell Reports
https://www.readbyqxmd.com/read/28636911/direct-conversion-of-an-enzyme-from-native-like-to-amyloid-like-aggregates-within-inclusion-bodies
#4
Francesco Elia, Francesca Cantini, Fabrizio Chiti, Christopher Martin Dobson, Francesco Bemporad
The acylphosphatase from Sulfolobus solfataricus (Sso AcP) is a globular protein able to aggregate in vitro from a native-like conformational ensemble without the need for a transition across the major unfolding energy barrier. This process leads to the formation of assemblies in which the protein retains its native-like structure, which subsequently convert into amyloid-like aggregates. Here, we investigate the mechanism by which Sso AcP aggregates in vivo to form bacterial inclusion bodies after expression in E...
June 20, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28636668/microbiota-in-anorexia-nervosa-the-triangle-between-bacterial-species-metabolites-and-psychological-tests
#5
Francesca Borgo, Alessandra Riva, Alberto Benetti, Maria Cristina Casiraghi, Sara Bertelli, Stefania Garbossa, Simona Anselmetti, Silvio Scarone, Antonio E Pontiroli, Giulia Morace, Elisa Borghi
Anorexia nervosa (AN) is a psychiatric disease with devastating physical consequences, with a pathophysiological mechanism still to be elucidated. Metagenomic studies on anorexia nervosa have revealed profound gut microbiome perturbations as a possible environmental factor involved in the disease. In this study we performed a comprehensive analysis integrating data on gut microbiota with clinical, anthropometric and psychological traits to gain new insight in the pathophysiology of AN. Fifteen AN women were compared with fifteen age-, sex- and ethnicity-matched healthy controls...
2017: PloS One
https://www.readbyqxmd.com/read/28636593/t-cells-from-patients-with-parkinson-s-disease-recognize-%C3%AE-synuclein-peptides
#6
David Sulzer, Roy N Alcalay, Francesca Garretti, Lucien Cote, Ellen Kanter, Julian Agin-Liebes, Christopher Liong, Curtis McMurtrey, William H Hildebrand, Xiaobo Mao, Valina L Dawson, Ted M Dawson, Carla Oseroff, John Pham, John Sidney, Myles B Dillon, Chelsea Carpenter, Daniela Weiskopf, Elizabeth Phillips, Simon Mallal, Bjoern Peters, April Frazier, Cecilia S Lindestam Arlehamn, Alessandro Sette
Genetic studies have shown the association of Parkinson's disease with alleles of the major histocompatibility complex. Here we show that a defined set of peptides that are derived from α-synuclein, a protein aggregated in Parkinson's disease, act as antigenic epitopes displayed by these alleles and drive helper and cytotoxic T cell responses in patients with Parkinson's disease. These responses may explain the association of Parkinson's disease with specific major histocompatibility complex alleles.
June 21, 2017: Nature
https://www.readbyqxmd.com/read/28636515/a-brief-period-of-intensive-cardiac-rehabilitation-improves-global-longitudinal-strain-and-diastolic-function-after-a-first-uncomplicated-myocardial-infarction
#7
Gabriella Malfatto, Miriam Revera, Giovanna Branzi, Francesca Ciambellotti, Alessia Giglio, Simonetta Blengino, Matteo Oldani, Camilla Facchini, Gianfranco Parati, Mario Facchini
Objectives In patients with abnormal left ventricular ejection fraction (LVEF) after acute myocardial infarction (AMI), cardiac rehabilitation with physical training prevents cardiac remodelling. To define the role of rehabilitation in the recovery of ventricular function in less severe cases, we studied its effects on more refined indexes of left ventricular function in uncomplicated, low-risk patients. Methods and results Fifty-five patients underwent percutaneous coronary revascularization after uncomplicated first AMI...
March 21, 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28636399/helium-accepts-back-donation-in-highly-polar-complexes-new-insights-into-the-weak-chemical-bond
#8
Francesca Nunzi, Diego Cesario, Fernando Pirani, Leonardo Belpassi, Gernot Frenking, Felice Grandinetti, Francesco Tarantelli
We studied the puzzling stability and short distances predicted by theory for helium adducts with some highly polar molecules, such as BeO or AuF. On the basis of high-level quantum-chemical calculations, we carried out a detailed analysis of the charge displacement occurring upon adduct formation. For the first time we have unambiguously ascertained that helium is able not only to donate electron density, but also, unexpectedly, to accept electron density in the formation of weakly bound adducts with highly polar substrates...
June 21, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28636360/proneurogenic-effects-of-trazodone-in-murine-and-human-neural-progenitors
#9
Valeria Bortolotto, Francesca Mancini, Giorgina Mangano, Rita Salem, Er Xia, Erika Del Grosso, Michele Bianchi, Pier Luigi Canonico, Lorenzo Polenzani, Mariagrazia Grilli
Several antidepressants increase adult hippocampal Neurogenesis (ahNG) in rodents, primates and, potentially, in humans. This effect may at least partially account for their therapeutic activity. The availability of antidepressants whose mechanism of action involves different neurotransmitter receptors represents an opportunity for increasing our knowledge on their distinctive peculiarities and for dissecting the contribution of receptor subtypes in ahNG modulation. The aim of this study was to evaluate, in vitro, the effects of the antidepressant trazodone (TZD) on ahNG by using primary cultures of adult hippocampal Neural Progenitor Cells (ahNPC) and human iPSC-derived NPC...
June 21, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28636337/thermal-annealing-to-modulate-the-shape-memory-behavior-of-a-biobased-and-biocompatible-triblock-copolymer-scaffold-in-the-human-body-temperature-range
#10
Andrea Merlettini, Matteo Gigli, Martina Ramella, Chiara Gualandi, Michelina Soccio, Francesca Boccafoschi, Andrea Munari, Nadia Lotti, Maria Letizia Focarete
A biodegradable and biocompatible electrospun scaffold with shape memory behavior in the physiological temperature range is here presented. It was obtained starting from a specifically designed, biobased PLLA-based triblock copolymer, where the central block is poly(propylene azelate-co-propylene sebacate), (P(PAz60PSeb40)) random copolymer. Shape memory properties are determined by the contemporary presence of the low melting crystals of the P(PAz60PSeb40) block, acting as switching segment, and of the high melting crystal phase of PLLA blocks, acting as physical network...
June 21, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28636230/quantification-of-fatty-acids-in-erythrocytes-and-plasma-by-fast-gas-chromatography
#11
Cristina Cruz-Hernandez, Sagar K Thakkar, Isabelle Masserey-Elmelegy, William Bousi, Patric Fontannaz, Francesca Giuffrida
As a result of the heterogeneous nature of lipid classes in complex biological matrices such as plasma and erythrocytes, it is imperative to have a robust and validated methodology for fatty acid quantification. The effective method presented here combines available methodology of fast gas chromatography and an improvement of the sample preparation methodology before injection into the gas chromatograph. This methodology ensures complete transesterification and quantification of total and individual fatty acids (and not only in relative amounts) by addition of internal standards...
June 21, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28636039/a-convenient-method-for-multicolour-labelling-of-proteins-with-bodipy-fluorophores-via-tyrosine-residues
#12
Miffy H Y Cheng, Huguette Savoie, Francesca Bryden, Ross W Boyle
Fluorescence is an essential imaging modality for labelling and visualising cells and sub-cellular structures. Multicolour labelling is especially challenging due to differences in physicochemical and photophysical behaviour of structurally unrelated fluorophores in the heterogeneous environments found in sub-cellular compartments. Herein, we report the conjugation of three azide-bearing BODIPYs with similar core structures but widely different emission wavelengths (green, red and NIR) to tyrosine residues of a model globular protein (BSA) via a common linking methodology...
June 21, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28635674/exploring-wound-healing-genomic-machinery-with-a-network-based-approach
#13
Francesca Vitali, Simone Marini, Martina Balli, Hanne Grosemans, Maurilio Sampaolesi, Yves A Lussier, Maria Gabriella Cusella De Angelis, Riccardo Bellazzi
The molecular mechanisms underlying tissue regeneration and wound healing are still poorly understood despite their importance. In this paper we develop a bioinformatics approach, combining biology and network theory to drive experiments for better understanding the genetic underpinnings of wound healing mechanisms and for selecting potential drug targets. We start by selecting literature-relevant genes in murine wound healing, and inferring from them a Protein-Protein Interaction (PPI) network. Then, we analyze the network to rank wound healing-related genes according to their topological properties...
June 21, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28635556/executive-control-in-schizophrenia-a-preliminary-study-on-the-moderating-role-of-comt-val158met-for-comorbid-alcohol-and-substance-use-disorders
#14
Giuseppe Carrà, Gabriella Nicolini, Cristina Crocamo, Annamaria Lax, Francesca Amidani, Francesco Bartoli, Filippo Castellano, Alessia Chiorazzi, Giulia Gamba, Costanza Papagno, Massimo Clerici
BACKGROUND: A functional polymorphism in the catechol-O-methyltransferase (COMT) gene (Val158Met) appears to influence cognition in people with alcohol/substance use disorders (AUD/SUD) and in those with psychosis. METHODS: To explore the potential moderating effect of these factors, a cross-sectional study was conducted, randomly recruiting subjects with DSM-IV diagnosis of schizophrenia. AUD/SUD was rigorously assessed, as well as COMT Val158Met polymorphism. Executive control functioning was measured using the Intra-Extra Dimensional Set Shift (IED)...
February 14, 2017: Nordic Journal of Psychiatry
https://www.readbyqxmd.com/read/28635539/an-old-challenge-with-new-promises-a-systematic-review-on-comprehensive-geriatric-assessment-in-long-term-care-facilities
#15
Francesco Panza, Vincenzo Solfrizzi, Madia Lozupone, Maria Rosaria Barulli, Francesca D'Urso, Roberta Stallone, Vittorio Dibello, Alessia Noia, Cristina Di Dio, Antonio Daniele, Antonello Bellomo, Davide Seripa, Antonio Greco, Giancarlo Logroscino
Comprehensive geriatric assessment (CGA) is a multidimensional and multidisciplinary diagnostic process focused on determining the clinical profile, pathological risk, residual skills, short- and long-term prognosis, and the personalized therapeutic and care plan of the functionally compromised and frail older subjects. Previous evidence suggested that the effectiveness of CGA programs may be influenced by the settings where the CGA is performed [i.e., hospital, post-hospital discharge/ long-term care facilities (LTCF), or community/home] as well as the specific clinical conditions of older frail individuals...
June 21, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28635535/effect-of-the-previous-reproductive-outcomes-in-subfertile-women-after-in-vitro-fertilization-ivf-and-or-intracytoplasmic-sperm-injection-icsi-treatments-on-perinatal-anxious-and-depressive-symptomatology
#16
Francesca Agostini, Fiorella Monti, Marcella Paterlini, Federica Andrei, Stefano Palomba, Giovanni Battista La Sala
INTRODUCTION: The present study aims to investigate the effects of previous reproductive outcomes on the levels of depression, anxiety and perceived social support in subfertile women who conceived after in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) treatment. METHODS: A prospective cohort study was developed. Data were collected on subfertile patients who conceived after IVF/ICSI treatment. All demographic and clinical data were recorded...
February 21, 2017: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28635340/from-seed-to-cooked-pasta-influence-of-traditional-and-non-conventional-transformation-processes-on-total-antioxidant-capacity-and-phenolic-acid-content
#17
Daniela Martini, Roberto Ciccoritti, Isabella Nicoletti, Francesca Nocente, Danilo Corradini, Maria Grazia D'Egidio, Federica Taddei
The aim of this work was to compare the traditional with a non-conventional (i.e. kernel micronisation) durum wheat milling process by monitoring the content of bound, conjugated and free phenolic acids (PAs) and the level of the total antioxidant capacity (TAC) occurring in the durum wheat pasta production chain, from seed to cooked pasta. The traditional transformation processes negatively influenced TAC and PA content (40% and 89% decrease from seed to cooked pasta, respectively), mainly during the milling process (25% and 84% decrease of TAC and PA, respectively), which has been related to the removal of external layers of kernels...
June 21, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28634515/transarterial-chemoembolization-using-40-%C3%A2%C2%B5m-drug-eluting-beads-for-hepatocellular-carcinoma
#18
Giorgio Greco, Tommaso Cascella, Antonio Facciorusso, Roberto Nani, Rodolfo Lanocita, Carlo Morosi, Marta Vaiani, Giuseppina Calareso, Francesca G Greco, Antonio Ragnanese, Marco A Bongini, Alfonso V Marchianò, Vincenzo Mazzaferro, Carlo Spreafico
AIM: To assess the safety and efficacy of transarterial chemoembolization (TACE) of hepatocellular carcinoma (HCC) using a new generation of 40 μm drug eluting beads in patients not eligible for curative treatment. METHODS: Drug eluting bead TACE (DEB-TACE) using a new generation of microspheres (embozene tandem, 40 μm) preloaded with 100 mg of doxorubicin was performed on 48 early or intermediate HCC patients with compensated cirrhosis. Response to therapy was assessed with Response Evaluation Criteria in Solid Tumors (RECIST) and modified RECIST (mRECIST) guidelines applied to computed tomography or magnetic resonance imaging...
May 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28634466/abnormal-temporal-coupling-of-tactile-perception-and-motor-action-in-parkinson-s-disease
#19
Antonella Conte, Daniele Belvisi, Matteo Tartaglia, Francesca Natalia Cortese, Viola Baione, Emanuele Battista, Xiao Y Zhu, Giovanni Fabbrini, Alfredo Berardelli
Evidence shows altered somatosensory temporal discrimination threshold (STDT) in Parkinson's disease in comparison to normal subjects. In healthy subjects, movement execution modulates STDT values through mechanisms of sensory gating. We investigated whether STDT modulation during movement execution in patients with Parkinson's disease differs from that in healthy subjects. In 24 patients with Parkinson's disease and 20 healthy subjects, we tested STDT at baseline and during index finger abductions (at movement onset "0", 100, and 200 ms thereafter)...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28634465/abnormal-resting-state-functional-connectivity-in-progressive-supranuclear-palsy-and-corticobasal-syndrome
#20
Komal Bharti, Matteo Bologna, Neeraj Upadhyay, Maria Cristina Piattella, Antonio Suppa, Nikolaos Petsas, Costanza Giannì, Francesca Tona, Alfredo Berardelli, Patrizia Pantano
BACKGROUND: Pathological and MRI-based evidence suggests that multiple brain structures are likely to be involved in functional disconnection between brain areas. Few studies have investigated resting-state functional connectivity (rsFC) in progressive supranuclear palsy (PSP) and corticobasal syndrome (CBS). In this study, we investigated within- and between-network rsFC abnormalities in these two conditions. METHODS: Twenty patients with PSP, 11 patients with CBS, and 16 healthy subjects (HS) underwent a resting-state fMRI study...
2017: Frontiers in Neurology
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