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https://www.readbyqxmd.com/read/28229437/pharmacokinetic-modeling-of-11-c-flumazenil-kinetics-in-the-rat-brain
#1
Isadora Lopes Alves, David Vállez García, Andrea Parente, Janine Doorduin, Rudi Dierckx, Ana Maria Marques da Silva, Michel Koole, Antoon Willemsen, Ronald Boellaard
BACKGROUND: Preferred models for the pharmacokinetic analysis of [(11)C]flumazenil human studies have been previously established. However, direct translation of these models and settings to animal studies might be sub-optimal. Therefore, this study evaluates pharmacokinetic models for the quantification of [(11)C]flumazenil binding in the rat brain. Dynamic (60 min) [(11)C]flumazenil brain PET scans were performed in two groups of male Wistar rats (tracer dose (TD), n = 10 and pre-saturated (PS), n = 2)...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28228620/a-case-of-intracranial-arterial-dolichoectasia-with-4-repeated-cerebral-infarctions-in-6-months-and-enlargement-of-basilar-artery
#2
Hideyuki Moriyoshi, Soma Furukawa, Mai Iwata, Junichiro Suzuki, Noriyoshi Nakai, Suguru Nishida, Yasuhiro Ito
A 78-year-old man was admitted to our hospital because of sudden right hemiparesis and dysarthria. His cranial MRI showed an area of hyperintensity in left pons on DWI and MRA revealed dilated, elongated and tortuous intracranial artery. We diagnosed as acute phase ischemic stroke and intracranial arterial dolichoectasia (IADE). Intravenous infusion of rt-PA was performed 157 minutes after the onset of symptoms, and his hemiparesis improved. However, he subsequently suffered from cerebral infarction 4 times in 6 months, and we treated him twice with thrombolytic therapy...
February 22, 2017: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/28227970/combining-a-hybrid-robotic-system-with-a-bain-machine-interface-for-the-rehabilitation-of-reaching-movements-a-case-study-with-a-stroke-patient
#3
F Resquin, J Ibanez, J Gonzalez-Vargas, F Brunetti, I Dimbwadyo, S Alves, L Carrasco, L Torres, Jose Luis Pons, F Resquin, J Ibañez, J Gonzalez-Vargas, F Brunetti, I Dimbwadyo, S Alves, L Carrasco, L Torres, Jose Luis Pons, S Alves, Jose Luis Pons, F Brunetti, J Gonzalez-Vargas, F Resquin, I Dimbwadyo, L Carrasco, L Torres, J Ibanez
Reaching and grasping are two of the most affected functions after stroke. Hybrid rehabilitation systems combining Functional Electrical Stimulation with Robotic devices have been proposed in the literature to improve rehabilitation outcomes. In this work, we present the combined use of a hybrid robotic system with an EEG-based Brain-Machine Interface to detect the user's movement intentions to trigger the assistance. The platform has been tested in a single session with a stroke patient. The results show how the patient could successfully interact with the BMI and command the assistance of the hybrid system with low latencies...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224672/pon-p-and-pon-p2-predictor-performance-in-cagi-challenges-lessons-learned
#4
Abhishek Niroula, Mauno Vihinen
Computational tools are widely used for ranking and prioritizing variants for characterizing their disease relevance. Since numerous tools have been developed, they have to be properly assessed before being applied. Critical Assessment of Genome Interpretation (CAGI) experiments have significantly contributed towards the assessment of prediction methods for various tasks. Within and outside the CAGI, we have addressed several questions that facilitate development and assessment of variation interpretation tools...
February 22, 2017: Human Mutation
https://www.readbyqxmd.com/read/28224232/effects-of-traumeel-tr14-on-recovery-and-inflammatory-immune-response-after-repeated-bouts-of-exercise-a-double-blind-rct
#5
Kerstin Muders, Christian Pilat, Vanessa Deuster, Torsten Frech, Karsten Krüger, Jörn Pons-Kühnemann, Frank-Christoph Mooren
PURPOSE: The purpose of this double-blind, randomized, placebo-controlled clinical trial was to investigate the effects of the natural combination medicine Traumeel (Tr14) consisting of 14 diluted biological and mineral components on the inflammatory immune response and recovery up to 72 h after repetitive bouts of bicycle tests. METHODS: Antigen-stimulated IL-1ra and IL-6 were defined as primary outcome measures. Moreover, various immunological and serum muscle damage markers were investigated...
February 21, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28222563/afferent-electrical-stimulation-during-cycling-improves-spinal-processing-of-sensorimotor-function-after-incomplete-spinal-cord-injury
#6
Stefano Piazza, Diego Serrano-Muñoz, Julio Gómez-Soriano, Diego Torricelli, Antonio Segura-Fragosa, José Luis Pons, Julian Taylor
OBJECTIVE: Appropriate afferent feedback delivery during the execution of motor tasks is important for rehabilitation after incomplete spinal cord injury (iSCI). However, during leg-cycling therapy, the plantar afferent feedback is minimal. We hypothesize that the augmentation of sensory input by combining cycling with a locomotor-like stimulation of plantar cutaneous innervations (ES-cycling), might help to restore proper spinal processing of sensorimotor function. METHODS: 13 non-injured subjects and 10 subjects with iSCI performed 10 minutes of cycling and, on another session, of ES-cycling...
February 10, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28222253/flow-cytometry-based-rapid-duplexed-immunoassay-for-fusarium-mycotoxins
#7
Árpád Czéh, Miklós Mézes, Francis Mandy, Zsuzsanna Szőke, György Nagyéri, Noémi Laufer, Balázs Kőszegi, Tamás Koczka, Sándor Kunsági-Máté, György Lustyik
At small food processing facilities, the most frequently used test to determine if grain-derived mycotoxin concentrations are compliant with legal limits is the enzyme-linked immunosorbent assay (ELISA). Each kit is designed to detect one of the six dangerous mycotoxins. With the increasing occurrence of coinfection of grain with multiple-mycotoxins in the field and/or during storage, ELISA is no longer a cost effective best assay option. With ELISA, each species of mycotoxin requires different sample preparation/extraction and a 45 min incubation...
February 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28220368/embolization-of-ruptured-arteriovenous-malformations-in-the-cerebellopontine-angle-cistern
#8
Hidenori Endo, Shin-Ichiro Osawa, Yasushi Matsumoto, Toshiki Endo, Kenichi Sato, Kuniyasu Niizuma, Miki Fujimura, Teiji Tominaga
Among brainstem arteriovenous malformations (AVMs), there exist small AVMs predominantly located in the cerebellopontine angle cistern (CPAC) with minimal extension into the pial surface of the brainstem. However, previous studies of CPAC AVMs did not particularly discuss the role of embolization in the treatment of these lesions. This study was conducted to clarify the effectiveness and validity of embolization in the treatment of CPAC AVMs. We retrospectively reviewed five patients with CPAC AVMs who underwent endovascular treatment...
February 20, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28217021/central-pontine-myelinolysis-and-localized-fluorodeoxyglucose-uptake-seen-on-18-f-fdg-pet-ct
#9
Frederik Rønne, Peer Carsten Tfelt-Hansen, Lene Rørdam
Case report describing the finding of central pontine myelinolysis (CPM) using combined fluorine-18 ( (18)F)-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT). The patient was a known alcoholic who, during admission was under treatment for hyponatremia, showed a significant decline in both motor and cognitive function. Combined (18)F-FDG PET/CT showed localized FDG uptake in the pons, consistent with the finding of CPM observed on magnetic resonance imaging (MRI). CPM is a demyelinating lesion of the pons, resulting in several neurological symptoms...
January 2017: World Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28216978/role-of-capsule-endoscopy-in-suspected-celiac-disease-a-european-multi-centre-study
#10
Marisol Luján-Sanchis, Enrique Pérez-Cuadrado-Robles, Javier García-Lledó, José-Francisco Juanmartiñena Fernández, Luca Elli, Victoria-Alejandra Jiménez-García, Juan Egea-Valenzuela, Julio Valle-Muñoz, Cristina Carretero-Ribón, Ignacio Fernández-Urién-Sainz, Antonio López-Higueras, Noelia Alonso-Lázaro, Mileidis Sanjuan-Acosta, Francisco Sánchez-Ceballos, Bruno Rosa, Santiago González-Vázquez, Federica Branchi, Lucía Ruano-Díaz, César Prieto-de-Frías, Vicente Pons-Beltrán, Pilar Borque-Barrera, Begoña González-Suárez, Sofía Xavier, Federico Argüelles-Arias, Juan-Manuel Herrerías-Gutiérrez, Enrique Pérez-Cuadrado-Martínez, Javier Sempere-García-Argüelles
AIM: To analyze the diagnostic yield (DY), therapeutic impact (TI) and safety of capsule endoscopy (CE). METHODS: This is a multi-centre, observational, analytical, retrospective study. A total of 163 patients with suspicion of celiac disease (CD) (mean age = 46.4 ± 17.3 years, 68.1% women) who underwent CE from 2003 to 2015 were included. Patients were divided into four groups: seronegative CD with atrophy (Group-I, n = 19), seropositive CD without atrophy (Group-II, n = 39), contraindication to gastroscopy (Group-III, n = 6), seronegative CD without atrophy, but with a compatible context (Group-IV, n = 99)...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28215236/hyperdopaminergism-in-lenticulostriate-stroke-related-restless-legs-syndrome-an-imaging-study
#11
Elisabeth Ruppert, Marc Bataillard, Izzie Jacques Namer, Laurent Tatu, Aurélien Hacquard, Laurence Hugueny, Jeffrey Hubbard, Ulker Kilic-Huck, Valérie Wolff, Patrice Bourgin
OBJECTIVE: The pathophysiology of restless legs syndrome (RLS) involves a dopaminergic dysregulation that remains poorly understood, with controversial data from the literature. Stroke-related RLS is a rare condition that involves primarily the basal ganglia, the paramedian pons, and the thalamus. Given these elements, we studied dopaminergic metabolism in patients with RLS secondary to lenticulostriate infarction using structural and nuclear imaging in the striatum ipsilateral to the infarction area, as compared to the contralateral side...
February 2017: Sleep Medicine
https://www.readbyqxmd.com/read/28209807/blast-injury-of-the-ear-by-massive-explosion-a-review-of-41-cases
#12
Stanislas Ballivet de Régloix, A Crambert, O Maurin, Q Lisan, S Marty, Y Pons
BACKGROUND: Blast injuries in modern warfare are common, and the ear is often affected as it is an effective pressure transducer. This study aimed to evaluate military blast injuries of the ear. METHODS: From May 2002 to October 2014, all patients referred to two military hospitals near Paris, France following exposure to massive explosions were analysed. RESULTS: Among the 41 patients (82 ears), 36 of them reported tinnitus, 25 hearing loss, 14 earache and 8 vertigo...
February 16, 2017: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/28209359/safety-and-efficacy-of-fimasartan-in-mexican-patients-with-grade-1-2-essential-hypertension
#13
Ernesto G Cardona-Muñoz, Agustín López-Alvarado, Ignacio Conde-Carmona, Gerardo Sánchez-Mejorada, Sara Pascoe-González, Ramiro G Banda-Elizondo, Armando García-Castillo, Guillermo González-Gálvez, Raúl G Velasco-Sánchez, Maricela Vidrio-Velázquez, José L Leiva-Pons, Efraín Villeda-Espinosa, Arturo Guerra-López, Ramón M Esturau-Santalo
OBJECTIVE: To evaluate efficacy and safety of 60mg and 120mg Fimasartan (FMS) alone or combined with 12.5mg hydrochlorothiazide (HCTZ) in Mexican population. METHODS: Six month, treat-to-target, open study in subjects with grade 1-2 hypertension. Subjects were initially treated with 60mg FMS once daily; on week 8, those with Diastolic Blood Pressure (DBP) <90mmHg continued on the same FMS dose during the rest of the study while those with DBP ≥90mmHg were randomized to either 120mg FMS or 60mg FMS+12...
February 10, 2017: Archivos de Cardiología de México
https://www.readbyqxmd.com/read/28207526/restoration-of-the-ascending-reticular-activating-system-compressed-by-hematoma-in-a-stroke-patient
#14
Sung Ho Jang, Jeong Pyo Seo
RATIONALE: We report on restoration of the ascending reticular activating system (ARAS), compressed by an intracerebral hematoma and perihematomal edema following a stroke. The restoration of the ARAS was demonstrated by diffusion tensor tractography (DTT). PATIENT CONCERNS: In a 60-year-old male, a brain MRI taken at 2 weeks after the surgery showed a hematoma and perihematomal edema in the left posterolateral pons and cerebellum, which were markedly resolved on a brain MRI after 5 weeks...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28203675/a-facile-approach-for-the-synthesis-of-hydroxyl-rich-microporous-organic-networks-for-efficient-co2-capture-and-h2-storage
#15
Sujan Mondal, Sudipta K Kundu, Asim Bhaumik
A new series of porous organic networks (PONs) internally decorated with several free -OH functional groups has been synthesized through acid catalyzed condensation reaction of terephthalaldehyde and nucleophilic aromatic compounds. These materials possess high Brunauer-Emmett-Teller specific surface areas (592-865 m(2) g(-1)) and showed maximum CO2 adsorption capacity of 4.31 mmol g(-1) and H2 uptake of 8.23 mmol g(-1) at 273 and 77 K, respectively, under 1 bar.
February 16, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28202378/neonatology-oxidative-status-in-preterm-infants-with-premature-preterm-rupture-of-membranes-and-fetal-inflammatuar-response-syndrome
#16
Elif Özalkaya, Güner Karatekin, Sevilay Topçuoğlu, Hande Özgün Karatepe, Taner Hafızoğlu, Pervin Baran, Fahri Ovalı
BACKGROUND: The aim of this study, to determine an index of oxidative stress index in preterm infants less than 34 weeks gestational age with premature preterm rupture of membrane (PPROM) and fetal inflammatory response syndrome (FIRS). METHODS: This study was designed as a prospective study. Fifty-one premature infants less than 35 weeks of gestational age were included in the study. The umbilical cord blood concentrations of IL-6, TAC (total antioxidant capacity) and PON-1 (paraoxonase-1) levels and TOS (total oxidative stress) were studied...
January 17, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28196873/lymphotoxin-beta-interacts-with-methylated-egfr-to-mediate-acquired-resistance-to-cetuximab-in-head-and-neck-cancer
#17
Dennis Shin-Shian Hsu, Wei-Lun Hwang, Chiou-Hwa Yuh, Chen-Hsi Chu, Yang-Hui Ho, Pon-Bo Chen, Han-Syuan Lin, Hua-Kuo Lin, Shih-Pei Wu, Chih-Yi Lin, Wen-Hao Hsu, Hsin-Yi Lan, Hsiao-Jung Wang, Shyh-Kuan Tai, Mien-Chie Hung, Muh-Hwa Yang
PURPOSE: In head and neck squamous cell carcinoma (HNSCC), the incidence of RAS mutation, which is the major cause of cetuximab resistance, is relatively rare compared with the other types of cancers, and the mechanism mediating acquired resistance is unclear compared with the driver gene mutation-mediated de novo resistance. Here we investigated the driver gene mutation-independent mechanism for cetuximab resistance in HNSCC. EXPERIMENTAL DESIGN: We used the in vitro-selected and in vivo-selected cetuximab-resistant sublines of HNSCC cell lines for investigating the mechanism of acquired resistance to cetuximab...
February 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28196820/combined-use-of-neurally-adjusted-ventilatory-assist-nava-and-vertical-expandable-prostethic-titanium-rib-veptr-in-a-patient-with-spondylocostal-dysostosis-and-associated-bronchomalacia
#18
Martí Pons-Odena, Alba Verges, Natalia Arza, Francisco José Cambra
Jarcho-Levin syndrome is a rare disorder characterised by defects in vertebral and costal segmentation of varying severity. Respiratory complications are the main cause of death or severe comorbidity due to a restrictive rib cage. A 3 months old infant with Spondylocostal dysostosis and associated bronchomalacia experiencing severe asynchrony during the weaning process is reported. The Neurally Adjusted Ventilatory Assist (NAVA) mode was used to improve adaptation to mechanical ventilation after Vertical Expandable Prosthetic Titanium Ribs (VEPTRs) were implanted...
February 14, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28195932/contrast-agent-induced-high-signal-intensity-in-dentate-nucleus-on-unenhanced-t1-weighted-images-comparison-of-gadodiamide-and-gadoxetic-acid
#19
Shintaro Ichikawa, Utaroh Motosugi, Yoshie Omiya, Hiroshi Onishi
OBJECTIVE: The aim of this study was to evaluate whether an association exists between T1-signal increase in the dentate nucleus (DN) on unenhanced magnetic resonance imaging and previous administration of gadoxetic acid and gadodiamide. MATERIALS AND METHODS: This retrospective study was approved by the institutional review board; the requirement for informed patient consent was waived. A total of 132 patients (male-female ratio, 86:46; mean age, 68.8 ± 11.6 years) who underwent imaging between December 2000 and April 2016 were divided into 4 groups: patients with 5 or more administrations of gadoxetic acid ("gadoxetic acid ≥5 administrations" group), only 1 administration of gadoxetic acid ("gadoxetic acid 1 administration" group), no gadolinium-based contrast agent (GBCA) administration or chronic liver disease (CLD; "no GBCA administration and no CLD" group), and 5 or more administrations of gadodiamide ("gadodiamide ≥5 administrations" group)...
February 11, 2017: Investigative Radiology
https://www.readbyqxmd.com/read/28193687/rainbow-enhancers-regulate-restrictive-transcription-in-teleost-green-red-and-blue-cones
#20
Wei Fang, Chuanyu Guo, Xiangyun Wei
Photoreceptor-specific transcription of individual genes collectively constitutes the transcriptional profile that orchestrates the structural and functional characteristics of each photoreceptor type. It is challenging, however, to study the transcriptional specificity of individual photoreceptor genes because each gene's distinct spatiotemporal transcription patterns are determined by the unique interactions between a specific set of transcription factors and the gene's own cis-regulatory elements (CREs), which remain unknown for most of the genes...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
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