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https://www.readbyqxmd.com/read/28631404/structural-connectivity-differences-in-motor-network-between-tremor-dominant-and-nontremor-parkinson-s-disease
#1
Gaetano Barbagallo, Maria Eugenia Caligiuri, Gennarina Arabia, Andrea Cherubini, Angela Lupo, Rita Nisticò, Maria Salsone, Fabiana Novellino, Maurizio Morelli, Giuseppe Lucio Cascini, Domenico Galea, Aldo Quattrone
Motor phenotypes of Parkinson's disease (PD) are recognized to have different prognosis and therapeutic response, but the neural basis for this clinical heterogeneity remains largely unknown. The main aim of this study was to compare differences in structural connectivity metrics of the main motor network between tremor-dominant and nontremor PD phenotypes (TD-PD and NT-PD, respectively) using probabilistic tractography-based network analysis. A total of 63 PD patients (35 TD-PD patients and 28 NT-PD patients) and 30 healthy controls underwent a 3 T MRI...
June 20, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28627133/mesocorticolimbic-hemodynamic-response-in-parkinson-s-disease-patients-with-compulsive-behaviors
#2
Daniel O Claassen, Adam J Stark, Charis A Spears, Kalen J Petersen, Nelleke C van Wouwe, Robert M Kessler, David H Zald, Manus J Donahue
BACKGROUND: PD patients treated with dopamine therapy can develop maladaptive impulsive and compulsive behaviors, manifesting as repetitive participation in reward-driven activities. This behavioral phenotype implicates aberrant mesocorticolimbic network function, a concept supported by past literature. However, no study has investigated the acute hemodynamic response to dopamine agonists in this subpopulation. OBJECTIVES: We tested the hypothesis that dopamine agonists differentially alter mesocortical and mesolimbic network activity in patients with impulsive-compulsive behaviors...
June 19, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28625318/prognostic-value-of-different-allelic-polymorphism-of-aldosterone-synthase-receptor-in-a-congestive-heart-failure-european-continental-ancestry-population
#3
Mauro Feola, Martino Monteverde, Daniela Vivenza, Marzia Testa, Laura Leto, Valentina Astesana, Francesco Mussapi, Antonello Vado, Marco Merlano, Cristiana Lo Nigro
Aldosterone synthase (CYP11B2) is as an 9-exon gene on chromosome 8q22 and exists as a common single nucleotide polymorphism C-T transition for position -344. The aim of this study was to assess the -344T/C polymorphism of the aldosterone synthase promoter in a European continental ancestry congestive heart failure (CHF) population. METHODS: Patients discharged after an acute decompensation were enrolled and underwent echocardiography, determination of BNP, evaluation of non-invasive cardiac outputs and determination of -344 T/C SNP in the aldosterone synthase gene...
February 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28624456/in%C3%A2-vitro-evidences-of-epithelial-to-mesenchymal-transition-in-low-cell-density-cultured-human-fetal-hepatocytes
#4
Cinzia Maria Chinnici, Vitale Miceli, Mariangela Pampalone, Antonio Lo Nigro, Giandomenico Amico, Pier Giulio Conaldi
Culturing fetal hepatocytes in high cell-density allowed stabilization of the hepatocyte phenotype up to 8 weeks, including the maintenance of liver-specific functions. On the other hand, when cultured at low cell-density, fetal hepatocytes underwent morphological modifications and acquired fibroblastic morphology. Since a switch from E-cadherin to vimentin expression accompanied these changes, we hypothesized the occurrence of epithelial-to-mesenchymal transition when fetal hepatocytes were cultured at low cell-density...
June 15, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28620314/orexin-system-the-key-for-a-healthy-life
#5
REVIEW
Sergio Chieffi, Marco Carotenuto, Vincenzo Monda, Anna Valenzano, Ines Villano, Francesco Precenzano, Domenico Tafuri, Monica Salerno, Nicola Filippi, Francesco Nuccio, Maria Ruberto, Vincenzo De Luca, Luigi Cipolloni, Giuseppe Cibelli, Maria P Mollica, Diego Iacono, Ersilia Nigro, Marcellino Monda, Giovanni Messina, Antonietta Messina
The orexin-A/hypocretin-1 and orexin-B/hypocretin-2 are neuropeptides synthesized by a cluster of neurons in the lateral hypothalamus and perifornical area. Orexin neurons receive a variety of signals related to environmental, physiological and emotional stimuli, and project broadly to the entire CNS. Orexin neurons are "multi-tasking" neurons regulating a set of vital body functions, including sleep/wake states, feeding behavior, energy homeostasis, reward systems, cognition and mood. Furthermore, a dysfunction of orexinergic system may underlie different pathological conditions...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28604552/the-use-of-vasopressors-in-pedicled-flaps-for-chest-wall-reconstruction
#6
Amy C Kite, Lauren C Nigro, Michael J Feldman, Andrea L Pozez
INTRODUCTION: The effect of vasopressors on flaps remains controversial in the literature. Often, surgeons avoid vasopressors with the thought that vasoconstriction reduces flap perfusion resulting in flap loss. METHODS: A retrospective review was performed on patients who required chest wall reconstruction from 1998 to 2013. Patients were identified through the use of Current Procedural Terminology codes. The data collected included demographics, indications for surgery, prior debridement, preoperative albumin levels, and perioperative vasopressor use...
June 9, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28597570/pharmaco-toxicological-effects-of-the-novel-third-generation-fluorinate-synthetic-cannabinoids-5f-adbinaca-ab-fubinaca-and-sts-135-in-mice-in-vitro-and-in-vivo-studies
#7
Isabella Canazza, Andrea Ossato, Fabrizio Vincenzi, Adolfo Gregori, Fabiana Di Rosa, Federica Nigro, Alessandro Rimessi, Paolo Pinton, Katia Varani, Pier Andrea Borea, Matteo Marti
INTRODUCTION: 5F-ADBINACA, AB-FUBINACA, and STS-135 are 3 novel third-generation fluorinate synthetic cannabinoids that are illegally marketed as incense, herbal preparations, or research chemicals for their psychoactive cannabis-like effects. METHODS: The present study aims at investigating the in vitro and in vivo pharmacological activity of 5F-ADBINACA, AB-FUBINACA, and STS-135 in male CD-1 mice, comparing their in vivo effects with those caused by the administration of Δ(9) -THC and JWH-018...
June 9, 2017: Human Psychopharmacology
https://www.readbyqxmd.com/read/28595339/cardiac-resynchronization-therapy-and-electrical-storm-results-of-the-observational-registry-on-long-term-outcome-of-icd-patients-observo-icd
#8
Federico Guerra, Pietro Palmisano, Gabriele Dell'Era, Matteo Ziacchi, Ernesto Ammendola, Giulia Pongetti, Paolo Bonelli, Francesca Patani, Chiara Devecchi, Michele Accogli, Eraldo Occhetta, Gerardo Nigro, Mauro Biffi, Giuseppe Boriani, Alessandro Capucci
Aims: Electrical storm (ES) is a condition defined as three or more episodes of ventricular fibrillation (VF) or ventricular tachycardia (VT) within 24 h, and usually coexist with advanced heart failure in patients with structural heart disease. The aim of the present study is to test whether cardiac resynchronization therapy (CRT) can be associated with a lower incidence of ES. Methods and results: The OBSERVO-ICD (NCT02735811) is a multicentre, retrospective registry, enrolling all consecutive patients undergoing ICD or CRT-D implantation from 2010 to 2012 in five Italian high-volume arrhythmia centres...
June 7, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28576260/regulation-of-bone-mass-by-the-gut-microbiota-is-dependent-on-nod1-and-nod2-signaling
#9
Claes Ohlsson, Giulia Nigro, Ivo Gomperts Boneca, Fredrik Bäckhed, Philippe Sansonetti, Klara Sjögren
Germ-free (GF) mice have increased bone mass that is normalized by colonization with gut microbiota (GM) from conventionally raised (CONV-R) mice. To determine if innate immune signaling pathways mediated the effect of the GM, we studied the skeleton of GF and CONV-R mice with targeted inactivation of MYD88, NOD1 or NOD2. In contrast to WT and Myd88(-/-) mice, cortical bone thickness in mice lacking Nod1 or Nod2 was not increased under GF conditions. The expression of Tnfα and the osteoclastogenic factor Rankl in bone was reduced in GF compared to CONV-R WT mice but not in Nod1(-/-) or Nod2(-/-) mice indicating that the effect of the GM to increase Tnfα and Rankl in bone and to reduce bone mass is dependent on both NOD1 and NOD2 signaling...
July 2017: Cellular Immunology
https://www.readbyqxmd.com/read/28571798/olfactory-vector-hypothesis-for-encephalitis-lethargica
#10
Isamu Mori
Viruses have long been implicated in the pathogenesis of classical encephalitis lethargica, which was first described by Constantin von Economo in 1917. In this article, I propose the hypothesis that an airborne virus travels along the olfactory conduit to infect the olfactory bulb; this local infection or induced neuroinflammation, in turn, retrogradely targets certain neuronal populations with sleep-wake regulatory functions in the hypothalamus and midbrain, leading to the development of wakeful inactivity, a hallmark clinical feature of the disease...
June 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28556237/characteristics-and-outcomes-of-patients-with-profound-hyponatremia-due-to-primary-polydipsia
#11
Clara Sailer, Bettina Winzeler, Nicole Nigro, Isabelle Suter-Widmer, Birsen Arici, Martina Bally, Philipp Schuetz, Beat Mueller, Mirjam Christ-Crain
OBJECTIVE: Hyponatremia due to excessive fluid intake (i.e. primary polydipsia (PP)) is common. It may culminate in profound hyponatremia-carrying considerable risk of morbidity. However, data on patients with PP leading to hyponatremia is lacking. Herein, we describe the characteristics of polydiptic patients hospitalised with profound hyponatremia, and assess one-year outcomes. DESIGN: Substudy of the prospective observational Co-MED Study. PATIENTS: Patients with an episode of profound hyponatremia (≤125mmol/l) due to PP in the medical emergency were eligible and classified into psychogenic polydipsia (PsyP), dipsogenic polydipsia (DiP), and beer potomania (BP)...
May 27, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28552073/intrastriatal-injection-of-%C3%AE-synuclein-can-lead-to-widespread-synucleinopathy-independent-of-neuroanatomic-connectivity
#12
Zachary A Sorrentino, Mieu M T Brooks, Vincent Hudson, Nicola J Rutherford, Todd E Golde, Benoit I Giasson, Paramita Chakrabarty
BACKGROUND: Prionoid transmission of α-synuclein (αSyn) aggregates along neuroanatomically connected projections is posited to underlie disease progression in α-synucleinopathies. Here, we specifically wanted to study whether this prionoid progression occurs via direct inter-neuronal transfer and, if so, would intrastriatal injection of αSyn aggregates lead to nigral degeneration. METHODS: To test prionoid transmission of αSyn aggregates along the nigro-striatal pathway, we injected amyloidogenic αSyn aggregates into two different regions of the striatum of adult human wild type αSyn transgenic mice (Line M20) or non-transgenic (NTG) mice and aged for 4 months...
May 29, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28537985/neuroimaging-in-parkinson-s-disease-focus-on-substantia-nigra-and-nigro-striatal-projection
#13
Daniela Frosini, Mirco Cosottini, Duccio Volterrani, Roberto Ceravolo
PURPOSE OF REVIEW: The diagnosis of Parkinson disease is based on clinical features; however, unmet need is an imaging signature for Parkinson disease and the early differential diagnosis with atypical parkinsonisms. A summary of the molecular imaging and MRI recent evidences for Parkinson disease diagnosis will be presented in this review. RECENT FINDINGS: The nigro-striatal dysfunction explored by dopamine transporter imaging is not a mandatory diagnostic criterion for Parkinson disease, recent evidence supported its utility as in-vivo proof of degenerative parkinsonisms, and there might be compensatory mechanisms leading to an early overestimation...
May 22, 2017: Current Opinion in Neurology
https://www.readbyqxmd.com/read/28533194/mortality-in-cardiac-surgery-myriad-a-randomized-controlled-trial-of-volatile-anesthetics-rationale-and-design
#14
Giovanni Landoni, Vladimir Lomivorotov, Antonio Pisano, Caetano Nigro Neto, Umberto Benedetto, Giuseppe Biondi Zoccai, Marco Gemma, Samuele Frassoni, Felice Eugenio Agrò, Massimo Baiocchi, Filomena R Barbosa Gomes Galas, Andrei Bautin, Nikola Bradic, Cristiana Carollo, Giuseppe Crescenzi, Abeer M Elnakera, Mohamed R El-Tahan, Evgeny Fominskiy, Ahmed G Farag, Gordana Gazivoda, Stefano Gianni, Evgeny Grigoryev, Fabio Guarracino, Sidik Hanafi, Weiqing Huang, Gudrun Kunst, Jan Kunstyr, Chong Lei, Rosalba Lembo, Zhi-Jian Li, Valery Likhvantsev, Andrey Lozovskiy, Jun Ma, Fabrizio Monaco, Paolo Navalesi, Bukamal Nazar, Vadim Pasyuga, Elena Porteri, Colin Royse, Laura Ruggeri, Hynek Riha, Fernanda Santos Silva, Luca Severi, Vladimir Shmyrev, Nikolay Uvaliev, Cheng Bin Wang, Chew-Yin Wang, Dario Winterton, Chow-Yen Yong, Jingui Yu, Rinaldo Bellomo, Alberto Zangrillo
OBJECTIVE: There is initial evidence that the use of volatile anesthetics can reduce the postoperative release of cardiac troponin I, the need for inotropic support, and the number of patients requiring prolonged hospitalization following coronary artery bypass graft (CABG) surgery. Nevertheless, small randomized controlled trials have failed to demonstrate a survival advantage. Thus, whether volatile anesthetics improve the postoperative outcome of cardiac surgical patients remains uncertain...
May 19, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28520140/identification-of-breast-cancer-inhibitors-specific-for-g%C3%A2-protein-coupled-estrogen-receptor-gper-expressing-cells
#15
Francesca Aiello, Gabriele Carullo, Francesca Giordano, Elena Spina, Alessandra Nigro, Antonio Garofalo, Sabrina Tassini, Gabriele Costantino, Paolo Vincetti, Agostino Bruno, Marco Radi
Together with estrogen receptors ERα and ERβ, the G protein-coupled estrogen receptor (GPER) mediates important pathophysiological signaling pathways induced by estrogens and is currently regarded as a promising target for ER-negative (ER-) and triple-negative (TN) breast cancer. Only a few selective GPER modulators have been reported to date, and their use in cancer cell lines has often led to contradictory results. Herein we report the application of virtual screening and cell-based studies for the identification of new chemical scaffolds with a specific antiproliferative effect against GPER-expressing breast cancer cell lines...
May 18, 2017: ChemMedChem
https://www.readbyqxmd.com/read/28513807/the-nuclear-pore-protein-nup153-associates-with-chromatin-and-regulates-cardiac-gene-expression-in-dystrophic-mdx-hearts
#16
Simona Nanni, Agnese Re, Cristian Ripoli, Aoife Gowran, Patrizia Nigro, Domenico D'Amario, Antonio Amodeo, Filippo Crea, Claudio Grassi, Alfredo Pontecorvi, Antonella Farsetti, Claudia Colussi
Aims: Beyond the control of nuclear-cytoplasmic trafficking nucleoporins regulate gene expression and are involved in cardiac diseases. Notably, a number of cardiovascular disorders have been linked to alterations in epigenetic mechanisms. Here we aimed to determine the contribution of Nup153 to the epigenetic alterations occurring in cardiomyopathy of dystrophin-deficient mdx mice (C57BL/10ScSn-Dmd mdx /J). Methods and results: Nup153 was lysine-acetylated and its expression was significantly increased at protein level in mdx hearts compared with controls...
November 1, 2016: Cardiovascular Research
https://www.readbyqxmd.com/read/28506662/adiponectin-down-regulates-creb-and-inhibits-proliferation-of-a549-lung-cancer-cells
#17
Michela Illiano, Ersilia Nigro, Luigi Sapio, Ilaria Caiafa, Annamaria Spina, Olga Scudiero, Andrea Bianco, Sabrina Esposito, Filomena Mazzeo, Paolo Vincenzo Pedone, Aurora Daniele, Silvio Naviglio
INTRODUCTION: Adipokines are known to play a relevant role in a number of cancer related molecular pathways. Adiponectin is a major adipokine with anti-inflammatory and beneficial metabolic actions. Furthermore, it has been shown to exert anti-carcinogenic effects in various tumor models and some clinical studies suggested an inverse relationship between circulating levels of adiponectin and an increased risk for development of malignancies. On the other hand, the cyclic AMP response element binding (CREB) transcription factor has been clearly linked to lung cancer...
May 12, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28502619/an-apology-or-absolution-for-cerebral-near-infrared-spectroscopy-can-we-get-on-the-same-wavelength
#18
EDITORIAL
Rohit Rao, John J Nigro, Tara Karamlou
No abstract text is available yet for this article.
April 23, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28501176/liquid-chromatography-high-resolution-mass-spectrometric-methods-for-the-surveillance-monitoring-of-cyanotoxins-in-freshwaters
#19
Sara Bogialli, Claudio Bortolini, Iole Maria Di Gangi, Federica Nigro Di Gregorio, Luca Lucentini, Gabriella Favaro, Paolo Pastore
A comprehensive risk management on human exposure to cyanotoxins, whose production is actually unpredictable, is limited by reliable analytical tools for monitoring as many toxic algal metabolites as possible. Two analytical approaches based on a LC-QTOF system for target analysis and suspect screening of cyanotoxins in freshwater were presented. A database with 369 compounds belonging to cyanobacterial metabolites was developed and used for a retrospective data analysis based on high resolution mass spectrometry (HRMS)...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28492909/the-controversial-epidemiology-of-left-ventricular-dysfunction-in-patients-with-myotonic-dystrophy-type-1
#20
Vincenzo Russo, Andrea Antonio Papa, Gerardo Nigro
No abstract text is available yet for this article.
May 10, 2017: JAMA Cardiology
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