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https://www.readbyqxmd.com/read/28090281/successful-treatment-of-immune-reconstitution-inflammatory-syndrome-related-hemophagocytic-syndrome-in-an-hiv-patient-with-primary-effusion-lymphoma
#1
Markela-P Zorzou, Maria Chini, Athina Lioni, Georgios Tsekes, Thomas Nitsotolis, Ioannis Tierris, Nicolaos Panagiotou, Dimitra Rontogianni, Nicolaos Harhalakis, Marios Lazanas
Although the connection of [secondary hemophagocytic syndrome (sHS)] with HIV has been well documented, optimal treatment regimen is not well established. This is due not only to the rarity of the syndrome, but also to the heterogeneity of the involved population. Most cases are related to opportunistic infections or malignancies in advanced stage, but many cases are also related to seroconversion, in the primary infection setting. Moreover, in the [antiretroviral treatment (ART)] era, rare cases of ART-related sHS have been reported...
November 2, 2016: Hematology Reports
https://www.readbyqxmd.com/read/28067005/phosphorus-in-agricultural-soils-drivers-of-its-distribution-at-the-global-scale
#2
Bruno Ringeval, Laurent Augusto, Hervé Monod, Dirk van Apeldoorn, Lex Bouwman, Xiaojuan Yang, David L Achat, Louise P Chini, Kristof Van Oost, Bertrand Guenet, Rong Wang, Bertrand Decharme, Thomas Nesme, Sylvain Pellerin
Phosphorus (P) availability in soils limits crop yields in many regions of the world, while excess of soil P triggers aquatic eutrophication in other regions. Numerous processes drive the global spatial distribution of P in agricultural soils, but their relative roles remain unclear. Here, we combined several global datasets describing these drivers with a soil P dynamics model to simulate the distribution of P in agricultural soils and to assess the contributions of the different drivers at the global scale...
January 9, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28005270/jaz2-controls-stomata-dynamics-during-bacterial-invasion
#3
Selena Gimenez-Ibanez, Marta Boter, Andrés Ortigosa, Gloria García-Casado, Andrea Chini, Mathew G Lewsey, Joseph R Ecker, Vardis Ntoukakis, Roberto Solano
Coronatine (COR) facilitates entry of bacteria into the plant apoplast by stimulating stomata opening. COR-induced signaling events at stomata remain unclear. We found that the COR and jasmonate isoleucine (JA-Ile) co-receptor JAZ2 is constitutively expressed in guard cells and modulates stomatal dynamics during bacterial invasion We analyzed tissue expression patterns of AtJAZ genes and measured stomata opening and pathogen resistance in loss- and gain-of-function mutants. Arabidopsis jaz2 mutants are partially impaired in pathogen-induced stomatal closing and more susceptible to Pseudomonas...
December 22, 2016: New Phytologist
https://www.readbyqxmd.com/read/27995932/intranasal-oxytocin-and-vasopressin-modulate-divergent-brainwide-functional-substrates
#4
Alberto Galbusera, Alessia De Felice, Stefano Girardi, Giacomo Bassetto, Marta Maschietto, Katsuhiko Nishimori, Bice Chini, Francesco Papaleo, Stefano Vassanelli, Alessandro Gozzi
The neuropeptides oxytocin (OXT) and vasopressin (AVP) have been identified as modulators of emotional social behaviors and associated with neuropsychiatric disorders characterized by social dysfunction. Experimental and therapeutic use of OXT and AVP via the intranasal route is the subject of extensive clinical research. However, the large-scale functional substrates directly engaged by these peptides and their functional dynamics remain elusive. By using cerebral blood volume (CBV) weighted fMRI in the mouse, we show that intranasal administration of OXT rapidly elicits the transient activation of cortical regions and a sustained activation of hippocampal and forebrain areas characterized by high oxytocin receptor density...
January 18, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27986479/prospective-nonrandomized-study-to-evaluate-endovascular-repair-of-pararenal-and-thoracoabdominal-aortic-aneurysms-using-fenestrated-branched-endografts-based-on-supraceliac-sealing-zones
#5
Gustavo S Oderich, Mauricio Ribeiro, Jan Hofer, Jean Wigham, Stephen Cha, Julia Chini, Thanila A Macedo, Peter Gloviczki
PURPOSE: To investigate outcomes of manufactured fenestrated and branched endovascular aortic repair (F-BEVAR) endografts based on supraceliac sealing zones to treat pararenal aortic aneurysms and thoracoabdominal aortic aneurysms (TAAAs). METHODS: A total of 127 patients (91 male, mean age 75 ± 10 years old) were enrolled in a prospective, nonrandomized single-center study using manufactured F-BEVAR (November 2013-March 2015). Stent design was based on supraceliac sealing zone in all patients with ≥ four vessels in 111 (89%)...
December 13, 2016: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27924492/progression-of-gait-ataxia-in-patients-with-degenerative-cerebellar-disorders-a-4-year-follow-up-study
#6
Mariano Serrao, Giorgia Chini, Carlo Casali, Carmela Conte, Martina Rinaldi, Alberto Ranavolo, Christian Marcotulli, Luca Leonardi, Gaia Fragiotta, Fabiano Bini, Gianluca Coppola, Francesco Pierelli
In the present study, the progression of gait impairment in a group of patients with primary degenerative cerebellar ataxias was observed over a period of 4 years. A total of 30 patients underwent an initial gait analysis study, and thereafter only 12 were evaluated because they completed the 2- and 4-year follow-up evaluations. Time-distance parameters, trunk and joint range of motion (RoM), and variability parameters (e.g., coefficients of variation) were measured at the baseline and at each follow-up evaluation...
December 6, 2016: Cerebellum
https://www.readbyqxmd.com/read/27831935/white-light-emission-by-phonon-assisted-coherent-mixing-of-excitons-in-au8-cds-hybrid-nanorods
#7
S Rath, O Halder, A Pradhani, B Satpati, A Maity, T K Chini, N Gogurla, S K Ray
Gold cluster (Au8) coated CdS hybrid nanorods (HNRs), synthesized using a sonication assisted assembly route, exhibit phonon assisted coherent mixing of excitons. As observed from optical absorption, Raman scattering, x-ray diffraction and transmission electron microscopic studies, the Au8 modulates the crystal-and electronic-structure of the CdS nanorods, effecting enhancement of exciton-phonon (e-p) interactions. The e-p interaction and entropy effect mediated phase matching of the excitonic transitions, leading-via cooperative and coherent mixing of the excitons' color-to the emission of white light, has been confirmed from room temperature and time resolved photoluminescence measurements...
December 9, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27830758/contribution-of-sleep-to-the-repair-of-neuronal-dna-double-strand-breaks-evidence-from-flies-and-mice
#8
Michele Bellesi, Daniel Bushey, Mattia Chini, Giulio Tononi, Chiara Cirelli
Exploration of a novel environment leads to neuronal DNA double-strand breaks (DSBs). These DSBs are generated by type 2 topoisomerase to relieve topological constrains that limit transcription of plasticity-related immediate early genes. If not promptly repaired, however, DSBs may lead to cell death. Since the induction of plasticity-related genes is higher in wake than in sleep, we asked whether it is specifically wake associated with synaptic plasticity that leads to DSBs, and whether sleep provides any selective advantage over wake in their repair...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27825999/nad-and-the-aging-process-role-in-life-death-and-everything-in-between
#9
Claudia C S Chini, Mariana G Tarragó, Eduardo N Chini
Life as we know it cannot exist without the nucleotide nicotinamide adenine dinucleotide (NAD). From the simplest organism, such as bacteria, to the most complex multicellular organisms, NAD is a key cellular component. NAD is extremely abundant in most living cells and has traditionally been described to be a cofactor in electron transfer during oxidation-reduction reactions. In addition to participating in these reactions, NAD has also been shown to play a key role in cell signaling, regulating several pathways from intracellular calcium transients to the epigenetic status of chromatin...
November 5, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/27805204/correction-identification-of-the-key-structural-elements-of-a-dihydropyrimidinone-core-driving-toward-more-potent-hsp90-c-terminal-inhibitors
#10
S Terracciano, M G Chini, M C Vaccaro, M Strocchia, A Foglia, A Vassallo, C Saturnino, R Riccio, G Bifulco, I Bruno
Correction for 'Identification of the key structural elements of a dihydropyrimidinone core driving toward more potent Hsp90 C-terminal inhibitors' by S. Teracciano et al., Chem. Commun., 2016, 52, 12857-12860.
November 2, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27762364/optical-physics-speedy-electrons-exposed-in-a-flash
#11
COMMENT
Michael Chini
No abstract text is available yet for this article.
20, 2016: Nature
https://www.readbyqxmd.com/read/27731433/identification-of-the-key-structural-elements-of-a-dihydropyrimidinone-core-driving-toward-more-potent-hsp90-c-terminal-inhibitors
#12
S Teracciano, M G Chini, M C Vaccaro, M Strocchia, A Foglia, A Vassallo, C Saturnino, R Riccio, G Bifulco, I Bruno
Hsp90 C-terminal modulation represents an attractive strategy for the development of potent and safer antitumor compounds. Continuing our investigation on DHPM type inhibitors here we report a new set of potent C-terminal ligands which allowed us to identify the key structural features crucial for the biological activity.
October 12, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27638646/evaluation-of-cardiac-toxicity-biomarkers-in-rats-from-different-laboratories
#13
Kyuri Kim, Naseem Chini, David G Fairchild, Steven K Engle, William J Reagan, Sandra D Summers, Jon C Mirsalis
There is a great need for improved diagnostic and prognostic accuracy of potential cardiac toxicity in drug development. This study reports the evaluation of several commercially available biomarker kits by 3 institutions (SRI, Eli Lilly, and Pfizer) for the discrimination between myocardial degeneration/necrosis and cardiac hypertrophy as well as the assessment of the interlaboratory and interplatform variation in results. Serum concentrations of natriuretic peptides (N-terminal pro-atrial natriuretic peptide [NT-proANP] and N-terminal pro-brain natriuretic peptide [NT-proBNP]), cardiac and skeletal troponins (cTnI, cTnT, and sTnI), myosin light chain 3 (Myl3), and fatty acid binding protein 3 (FABP3) were assessed in rats treated with minoxidil (MNX) and isoproterenol (ISO)...
September 16, 2016: Toxicologic Pathology
https://www.readbyqxmd.com/read/27603327/lifespan-oxytocin-signaling-maturation-flexibility-and-stability-in-newborn-adolescent-and-aged-brain
#14
Sara Sannino, Bice Chini, Valery Grinevich
The hypothalamic neuropeptide oxytocin (OT) is a forefront molecule among neuropeptides due to its pronounced pro-social effects and its potential use in socio-emotional deficits that characterize the most prevalent neurodevelopmental and psychiatric disorders (autism spectrum disorders and schizophrenia). The effects of OT have been studied in young and adult subjects (either animals or humans), while the complete lifespan trajectories of OT system development and activity have been far less investigated. In this (mini) review, we will primarily focus on three temporal distinct periods of life - early postnatal period, puberty/adolescence and elderly...
September 7, 2016: Developmental Neurobiology
https://www.readbyqxmd.com/read/27531952/a-high-dose-of-isoniazid-disturbs-endobiotic-homeostasis-in-mouse-liver
#15
Feng Li, Pengcheng Wang, Ke Liu, Mariana G Tarrago, Jie Lu, Eduardo N Chini, Xiaochao Ma
Overdose of isoniazid (INH), an antituberculosis drug, can be life-threatening because of neurotoxicity. In clinical practice for management of INH overdose and acute toxicity, the potential of INH-induced hepatotoxicity is also considered. However, the biochemical basis of acute INH toxicity in the liver remains elusive. In the current study, we used an untargeted metabolomic approach to explore the acute effects of INH on endobiotic homeostasis in mouse liver. We found that overdose of INH resulted in accumulation of oleoyl-l-carnitine and linoleoyl-l-carnitine in the liver, indicating mitochondrial dysfunction...
November 2016: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/27501020/quantifying-energy-and-water-savings-in-the-u-s-residential-sector
#16
Christopher M Chini, Kelsey L Schreiber, Zachary A Barker, Ashlynn S Stillwell
Stress on water and energy utilities, including natural resource depletion, infrastructure deterioration, and growing populations, threatens the ability to provide reliable and sustainable service. This study presents a demand-side management decision-making tool to evaluate energy and water efficiency opportunities at the residential level, including both direct and indirect consumption. The energy-water nexus accounts for indirect resource consumption, including water-for-energy and energy-for-water. We examine the relationship between water and energy in common household appliances and fixtures, comparing baseline appliances to ENERGY STAR or WaterSense appliances, using a cost abatement analysis for the average U...
September 6, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27492719/identification-of-limonol-derivatives-as-heat-shock-protein%C3%A2-90-hsp90-inhibitors-through-a-multidisciplinary-approach
#17
Maria G Chini, Nicola Malafronte, Maria C Vaccaro, Maria J Gualtieri, Antonio Vassallo, Michele Vasaturo, Sabrina Castellano, Ciro Milite, Antonietta Leone, Giuseppe Bifulco, Nunziatina De Tommasi, Fabrizio Dal Piaz
The identification of inhibitors of Hsp90 is currently a primary goal in the development of more effective drugs for the treatment of various types of multidrug resistant malignancies. In an attempt to identify new small molecules modulating the activity of Hsp90, we screened a small library of tetranortriterpenes. A high-affinity interaction with Hsp90 inducible form was uncovered for eight of these compounds, five of which are described here for the first time. By monitoring the ATPase activity and the citrate synthase thermal induced aggregation, compound 1 (cedrelosin A), 3 (7α-limonylacetate), and 5 (cedrelosin B), containing a limonol moiety, were found to be the most effective in compromising the Hsp90α chaperone activity...
September 5, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27490895/redundancy-and-specificity-in-jasmonate-signalling
#18
REVIEW
Andrea Chini, Selena Gimenez-Ibanez, Alain Goossens, Roberto Solano
Jasmonates (JAs) are essential phytohormones regulating plant development and environmental adaptation. Many components of the JA-signalling pathway have been identified. However, our insight into the mechanisms by which a single bioactive JA hormone can regulate a myriad of physiological processes and provide specificity in the response remains limited. Recent findings on molecular components suggest that, despite apparent redundancy, specificity is achieved by (1) distinct protein-protein interactions forming unique JAZ/transcription factor complexes, (2) discrete spatiotemporal expression of specific components, (3) variable hormone thresholds for the formation of multiple JA receptor complexes and (4) integration of several signals by JA-pathway components...
October 2016: Current Opinion in Plant Biology
https://www.readbyqxmd.com/read/27470650/kinetics-of-in-vitro-response-to-%C3%AE-lactoglobulin-in-children-allergic-to-and-tolerant-of-cow-s-milk-protein
#19
L Chini, V Pacciani, S Corrente, E Monteferrario, M L Romiti, V Moschese, F Angelini
No abstract text is available yet for this article.
2016: Journal of Investigational Allergology & Clinical Immunology
https://www.readbyqxmd.com/read/27464306/in-vivo-and-in-vitro-biological-evaluation-of-the-anti-inflammatory-and-analgesic-response-of-carnosol-and-carnosic-acid-and-in-silico-analysis-of-their-target-interactions
#20
Francesco Maione, Vincenza Cantone, Simona Pace, Maria Giovanna Chini, Angela Bisio, Giovanni Romussi, Stefano Pieretti, Oliver Werz, Andreas Koeberle, Nicola Mascolo, Giuseppe Bifulco
BACKGROUND AND PURPOSE: The diterpenoids carnosol (CS) and carnosic acid (CA) from Salvia spp. exert prominent anti-inflammatory activities but their molecular mechanisms remained unclear. Here we investigated the effectiveness of CS and CA in inflammatory pain and the cellular interference with their putative molecular targets. EXPERIMENTAL APPROACH: The effects of CS and CA in different models of inflammatory pain were investigated. The inhibition of key enzymes in eicosanoid biosynthesis, namely microsomal prostaglandin E2 synthase-1 (mPGES)-1 and 5-lipoxygenase (5-LO) was confirmed by CS and CA, and we determined the consequence on the eicosanoid network in activated human primary monocytes and neutrophils...
July 27, 2016: British Journal of Pharmacology
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