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https://www.readbyqxmd.com/read/29035875/a-20-channel-magnetoencephalography-system-based-on-optically-pumped-magnetometers
#1
Amir Borna, Tony R Carter, Josh D Goldberg, Anthony P Colombo, Yuan-Yu Jau, Christopher Berry, Jim McKay, Julia Stephen, Michael Weisend, Peter D D Schwindt
We describe a multichannel magnetoencephalography (MEG) system that uses optically pumped magnetometers (OPMs) to sense the magnetic fields of the human brain. The system consists of an array of 20 OPM channels conforming to the human subject's head, a person-sized magnetic shield containing the array and the human subject, a laser system to drive the OPM array, and various control and data acquisitions systems. We conducted two MEG experiments: auditory evoked magnetic field (AEF) and somatosensory evoked magnetic field (SEF), on three healthy male subjects, using both our OPM array and a 306-channel Elekta-Neuromag superconducting quantum interference device (SQUID) MEG system...
October 16, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/29029730/assessing-the-diversity-of-rodent-borne-viruses-exploring-of-high-throughput-sequencing-and-classical-amplification-sequencing-approaches
#2
Stephan Drewes, Petra Straková, Jan F Drexler, Jens Jacob, Rainer G Ulrich
Rodents are distributed throughout the world and interact with humans in many ways. They provide vital ecosystem services, some species are useful models in biomedical research and some are held as pet animals. However, many rodent species can have adverse effects such as damage to crops and stored produce, and they are of health concern because of the transmission of pathogens to humans and livestock. The first rodent viruses were discovered by isolation approaches and resulted in break-through knowledge in immunology, molecular and cell biology, and cancer research...
2017: Advances in Virus Research
https://www.readbyqxmd.com/read/28982599/muscle-derived-extracellular-superoxide-dismutase-inhibits-endothelial-activation-and-protects-against-multiple-organ-dysfunction-syndrome-in-mice
#3
Jarrod A Call, Jean Donet, Kyle S Martin, Ashish K Sharma, Xiaobin Chen, Jiuzhi Zhang, Jie Cai, Carolina A Galarreta, Mitsuharu Okutsu, Zhongmin Du, Vitor A Lira, Mei Zhang, Borna Mehrad, Brian H Annex, Alexander L Klibanov, Russell P Bowler, Victor E Laubach, Shayn M Peirce, Zhen Yan
Multiple organ dysfunction syndrome (MODS) is a detrimental clinical complication in critically ill patients with high mortality. Emerging evidence suggests that oxidative stress and endothelial activation (induced expression of adhesion molecules) of vital organ vasculatures are key, early steps in the pathogenesis. We aimed to ascertain the role and mechanism(s) of enhanced extracellular superoxide dismutase (EcSOD) expression in skeletal muscle in protection against MODS induced by endotoxemia. We showed that EcSOD overexpressed in skeletal muscle-specific transgenic mice (TG) redistributes to other peripheral organs through the circulation and enriches at the endothelium of the vasculatures...
October 2, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28943599/detection-of-antibodies-against-borna-disease-virus-proteins-in-an-autistic-child-and-her-mother
#4
Tomoyuki Honda, Kozue Sofuku, Hidenori Matsunaga, Masaya Tachibana, Ikuko Mohri, Masako Taniike, Keizo Tomonaga
Volume 70, no 2, p.225-227, 2017. Page 226, Figure 1B and C should appear as shown below.
2017: Japanese Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28941761/direct-comparison-of-pi-rads-version-2-and-version-1-regarding-interreader-agreement-and-diagnostic-accuracy-for-the-detection-of-clinically-significant-prostate-cancer
#5
Anton S Becker, Alexander Cornelius, Cäcilia S Reiner, Daniel Stocker, Erika J Ulbrich, Borna K Barth, Ashkan Mortezavi, Daniel Eberli, Olivio F Donati
PURPOSE: to simultaneously evaluate interreader agreement and diagnostic accuracy in the of PI-RADS v2 and compare it to v1. METHODS: A total of 67 patients (median age 65.3 y, range 51.2-78.2 y; PSA 6.8μg/L, 0.2-33μg/L) undergoing MRI of the prostate and subsequent transperineal template biopsy within ≤6 months from MRI were included. Four readers from two institutions evaluated the likelihood of prostate cancer using PI-RADS v1 and v2 in two separate reading sessions ≥3 months apart...
September 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28888717/role-of-biomarkers-in-acute-traumatic-lung-injury
#6
REVIEW
Philipp Störmann, Thomas Lustenberger, Borna Relja, Ingo Marzi, Sebastian Wutzler
In severely injured patients severe thoracic trauma is common and can significantly influence the outcome of these critically ill patients by increased rates of mainly pulmonary complications. Furthermore, patients who sustained thoracic trauma are at increased risk for Acute Lung Injury (ALI) or Adult Respiratory Distress Syndrome (ARDS). Therapeutic options are limited, basically consisting of prophylactic antibiotic therapy and changing patient's positions. It is known, that ALI and ARDS differ clinically and pathobiologically from ALI/ARDS caused by other reasons, but the exact pathology remains elusive...
August 24, 2017: Injury
https://www.readbyqxmd.com/read/28880880/volunteer-motivators-for-participating-in-hiv-vaccine-clinical-trials-in-nairobi-kenya
#7
Borna A Nyaoke, Gaudensia N Mutua, Rose Sajabi, Delvin Nyasani, Marianne W Mureithi, Omu A Anzala
BACKGROUND: 1.5 million Kenyans are living with HIV/AIDS as per 2015 estimates. Though there is a notable decline in new HIV infections, continued effort is still needed to develop an efficacious, accessible and affordable HIV vaccine. HIV vaccine clinical trials bear risks, hence a need to understand volunteer motivators for enrolment, retention and follow-up. Understanding the factors that motivate volunteers to participate in a clinical trial can help to strategize, refine targeting and thus increase enrolment of volunteers in future HIV vaccine clinical trials...
2017: PloS One
https://www.readbyqxmd.com/read/28817707/microbiome-mediated-neutrophil-recruitment-via-cxcr2-and-protection-from-amebic-colitis
#8
Koji Watanabe, Carol A Gilchrist, Md Jashim Uddin, Stacey L Burgess, Mayuresh M Abhyankar, Shannon N Moonah, Zannatun Noor, Jeffrey R Donowitz, Brittany N Schneider, Tuhinur Arju, Emtiaz Ahmed, Mamun Kabir, Masud Alam, Rashidul Haque, Patcharin Pramoonjago, Borna Mehrad, William A Petri
The disease severity of Entamoeba histolytica infection ranges from asymptomatic to life-threatening. Recent human and animal data implicate the gut microbiome as a modifier of E. histolytica virulence. Here we have explored the association of the microbiome with susceptibility to amebiasis in infants and in the mouse model of amebic colitis. Dysbiosis occurred symptomatic E. histolytica infection in children, as evidenced by a lower Shannon diversity index of the gut microbiota. To test if dysbiosis was a cause of susceptibility, wild type C57BL/6 mice (which are innately resistant to E...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28814024/feedback-control-of-functional-electrical-stimulation-for-arbitrary-upper-extremity-movements
#9
Reza Sharif Razavian, Borna Ghannadi, John McPhee
Functional electrical stimulation (FES) is a type of neuroprosthesis in which muscles are stimulated by electrical pulses in order to compensate for the loss of voluntary movement control. Modulating the stimulation intensities to reliably generate movements is a challenging control problem. For the first time, this paper presents a feedback controller for FES to control arm movements in a 2D (table-top) task space. This feedback controller is based on a recent human motor control model, which uses muscle synergies to simplify the calculations and improve control performance...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28806641/acute-ethanol-administration-results-in-a-protective-cytokine-and-neuroinflammatory-profile-in-traumatic-brain-injury
#10
Akila Chandrasekar, Florian Olde Heuvel, Annette Palmer, Birgit Linkus, Albert C Ludolph, Tobias M Boeckers, Borna Relja, Markus Huber-Lang, Francesco Roselli
Ethanol intoxication is a common comorbidity in traumatic brain injury. To date, the effect of ethanol on TBI pathogenic cascades and resulting outcomes remains debated. A closed blunt weight-drop murine TBI model has been implemented to investigate behavioral (by sensorimotor and neurological tests), and neuro-immunological (by tissue cytokine arrays and immuno-histology) effects of ethanol intoxication on TBI. The effect of the occurrence of traumatic intracerebral hemorrhage was also studied. The results indicate that ethanol pretreatment results in a faster and better recovery after TBI with reduced infiltration of leukocytes and reduced microglia activation...
August 11, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28803966/a-chimeric-prokaryotic-eukaryotic-pentameric-ligand-gated-ion-channel-reveals-interactions-between-the-extracellular-and-transmembrane-domains-shape-neurosteroid-modulation
#11
Borna Ghosh, Tzu-Wei Tsao, Cynthia Czajkowski
Pentameric ligand-gated ion channels (pLGICs) are the targets of several clinical and endogenous allosteric modulators including anesthetics and neurosteroids. Molecular mechanisms underlying allosteric drug modulation are poorly understood. Here, we constructed a chimeric pLGIC by fusing the extracellular domain (ECD) of the proton-activated, cation-selective bacterial channel GLIC to the transmembrane domain (TMD) of the human ρ1 chloride-selective GABAAR, and tested the hypothesis that drug actions are regulated locally in the domain that houses its binding site...
October 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28795328/severe-hemorrhagic-shock-leads-to-a-delayed-fracture-healing-and-decreased-bone-callus-strength-in-a-mouse-model
#12
Katrin Bundkirchen, Christian Macke, Janin Reifenrath, Luisa Marilena Schäck, Sandra Noack, Borna Relja, Philipp Naber, Bastian Welke, Michael Fehr, Christian Krettek, Claudia Neunaber
BACKGROUND: Multiple trauma is frequently associated with hemorrhagic shock and fractures of the extremities. Clinically, the rate of impaired fracture healing (delayed healing and nonunion) seems to be increased in patients with multiple injuries compared with patients with isolated fractures. As the underlying pathogenesis remains poorly understood, we aimed to analyze the biomechanical properties during fracture healing in a murine model. QUESTIONS: The aim of this study was to determine whether fracture healing after severe hemorrhagic shock results in (1) delayed bridging as determined by macroscopic and radiographic assessment, (2) altered conditions of callus components as determined by µCT, and (3) decreased maximum bending moment measured by a three-point-bending test compared with ordinary fracture healing...
August 9, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28776750/generation-of-a-non-transmissive-borna-disease-virus-vector-lacking-both-matrix-and-glycoprotein-genes
#13
Kan Fujino, Yusuke Yamamoto, Takuji Daito, Akiko Makino, Tomoyuki Honda, Keizo Tomonaga
Borna disease virus (BoDV), a prototype of mammalian bornavirus, is a non-segmented, negative strand RNA virus that often causes severe neurological disorders in infected animals, including horses and sheep. Unique among animal RNA viruses, BoDV transcribes and replicates non-cytopathically in the cell nucleus, leading to the establishment of a long-lasting persistent infection. This striking feature of BoDV indicates its potential as an RNA virus vector system. In a previous study, we demonstrated that recombinant BoDV (rBoDV) lacking an envelope glycoprotein (G) gene develops a persistent infection in the transduced cells without loss of the viral genome...
August 4, 2017: Microbiology and Immunology
https://www.readbyqxmd.com/read/28756360/combined-intra-and-extraperitoneal-urinary-bladder-rupture-a-rare-seat-belt-injury-a-case-report
#14
Lisanne Grünherz, Xenia Startseva, Marko Kozomara-Hocke, Borna K Barth, Hans-Peter Simmen, Ladislav Mica, Thomas Rauer
INTRODUCTION: While isolated traumatic urinary bladder injuries are rare, combined intra- and extraperitoneal traumatic urinary bladder ruptures without an underlying fracture are an absolute rarity. PRESENTATION OF CASE: We report a case of combined intra- and extraperitoneal urinary bladder rupture without an underlying fracture resulting from blunt abdominal trauma during a high velocity car accident. A midline laparotomy was performed, and the intra- and extraperitoneal bladder ruptures were surgically treated...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28738903/erratum-to-the-role-of-ppar-activation-during-the-systemic-response-to-brain-injury
#15
Patrick Losey, Emma Ladds, Maud Laprais, Borna Guevel, Laura Burns, Regis Bordet, Daniel C Anthony
No abstract text is available yet for this article.
July 24, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28734273/association-between-thrombophilic-genes-polymorphisms-and-recurrent-pregnancy-loss-susceptibility-in-the-iranian-population-a-systematic-review-and-meta-analysis
#16
Mahdieh Kamali, Sedigheh Hantoushzadeh, Sedigheh Borna, Hossein Neamatzadeh, Mahta Mazaheri, Mahmood Noori-Shadkam, Fatemeh Haghighi
Background: Studies have indicated that thrombophilic genes polymorphisms are associated with recurrent pregnancy loss (RPL) in the Iranian population. However, the results from these studies remained inconsistent and inconclusive. The aim of this systematic review and meta-analysis was to evaluate the precise association between thrombophilic genes polymorphisms (MTHFR C677T, MTHFR A1298C, Prothrombin G20210A, FVL G1691A, and PAI-1 4G/5G) and RPL risk in the Iranian population. Method: Electronic databases of PubMed, Web of Science, Google Scholar, and ISC were searched for eligible articles published up to April 1, 2017...
July 23, 2017: Iranian Biomedical Journal
https://www.readbyqxmd.com/read/28715652/linkage-between-the-leader-sequence-and-leader-rna-production-in-borna-disease-virus-infected-cells
#17
Tomoyuki Honda, Kozue Sofuku, Shohei Kojima, Yusuke Yamamoto, Naohiro Ohtaki, Keizo Tomonaga
The 3'-untranslated region (UTR) of the non-segmented, negative-strand (NNS) RNA viral genome is called the leader sequence, and functions as the promoter for viral replication and transcription. NNS RNA viruses also use the sequence as a template to synthesize leader RNAs (leRNAs) with unknown functions. Borna disease virus (BDV) is unique because it establishes a persistent infection and replicates in the nucleus. No report has yet demonstrated the presence of leRNAs during BDV infection. Here, we report that BDV synthesizes leRNAs from the 3'-UTR of the genome...
October 2017: Virology
https://www.readbyqxmd.com/read/28715125/acute-alcohol-binge-deteriorates-metabolic-and-respiratory-compensation-capability-after-blunt-chest-trauma-followed-by-hemorrhagic-shock-a-new-research-model
#18
Nils Wagner, Niklas Franz, Scott Dieteren, Mario Perl, Katharina Mörs, Ingo Marzi, Borna Relja
BACKGROUND: The clinical relevance of blunt (thoracic) chest trauma (TxT) and hemorrhagic shock is indisputable due to the high prevalence of this injury type, as well as its close association with mortality and/or preventable deaths. Furthermore, there is an ongoing discussion about the influence of alcohol in trauma patients. Thus, we established a model of TxT followed by hemorrhagic shock with resuscitation (H/R) in alcohol-intoxicated rats. METHODS: Depending on group allocation, 12 (subacute) or 2 (acute) hours before experimentation, the animals received a single oral dose of alcohol (ethanol [EtOH]) or saline (NaCl) followed by TxT, hemorrhagic shock (35 ± 3 mm Hg), and resuscitation (TxT + H/R)...
July 17, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28714683/regioselective-diversification-of-2-1-borazaronaphthalenes-unlocking-isosteric-space-via-c-h-activation
#19
Geraint H M Davies, Matthieu Jouffroy, Fatemeh Sherafat, Borna Saeednia, Casey Howshall, Gary A Molander
Methods for the regioselective C-H borylation and subsequent cross-coupling of the 2,1-borazaronaphthalene core are reported. Azaborines are dependent on B-N/C═C isosterism when employed in strategies for developing diverse heterocyclic scaffolds. Although 2,1-borazaronaphthalene is closely related to naphthalene in terms of structure, the argument is made that the former has electronic similarities to indole. Based on that premise, iridium-mediated C-H activation has enabled facile installation of a versatile, nucleophilic coupling handle at a previously inaccessible site of 2,1-borazaronaphthalenes...
August 4, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28712908/patient-expectations-and-preferences-in-the-spinal-surgery-clinic
#20
Borna E Tabibian, Elizabeth N Kuhn, Matthew C Davis, Patrick R Pritchard
BACKGROUND: Managing patient expectations is essential in the treatment of patients undergoing spinal surgery. Patient satisfaction is associated with improved clinical outcomes and can be improved when patient and surgeon expectations are aligned and patient preferences are met. METHODS: Patients presenting to clinic for management of spinal disease were asked to complete a questionnaire assessing demographics, current pain, reason for visit, and expectations and preferences surrounding the clinic experience...
October 2017: World Neurosurgery
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