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https://www.readbyqxmd.com/read/29352409/recent-perspectives-on-the-molecular-basis-of-biofilm-formation-by-pseudomonas-aeruginosa-and-approaches-for-treatment-and-biofilm-dispersal
#1
REVIEW
Sinosh Skariyachan, Vaishnavi Sneha Sridhar, Swathi Packirisamy, Supreetha Toplar Kumargowda, Sneha Basavaraj Challapilli
Pseudomonas aeruginosa, a Gram-negative, rod-shaped bacterium causes widespread diseases in humans. This bacterium is frequently related to nosocomial infections such as pneumonia, urinary tract infections (UTIs) and bacteriaemia especially in immunocompromised patients. The current review focuses on the recent perspectives on biofilms formation by these bacteria. Biofilms are communities of microorganisms in which cells stick to each other and often adhere to a surface. These adherent cells are usually embedded within a self-produced matrix of extracellular polymeric substance (EPS)...
January 19, 2018: Folia Microbiologica
https://www.readbyqxmd.com/read/29350639/dynamic-mri-in-the-evaluation-of-the-spine-state-of-the-art
#2
Giulia Michelini, Antonella Corridore, Silvia Torlone, Federico Bruno, Claudia Marsecano, Raffaella Capasso, Ferdinando Caranci, Antonio Barile, Carlo Masciocchi, Alessandra Splendiani
INTRODUCTION: Degenerative disease of the spine is a generic term encompassing a wide range of different disease processes, which leads to spinal instability; traumatic/neoplastic events can accelerate this aging process. Therefore, the dynamic nature of the spine and its mobility across multiple segments is difficult to depict with any single imaging modality. METHODS: A review of PubMed databases for articles published about kMRI in patients with cervical and lumbar spinal desease was performed...
January 19, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29348210/toward-dynamic-structural-biology-two-decades-of-single-molecule-f%C3%A3-rster-resonance-energy-transfer
#3
REVIEW
Eitan Lerner, Thorben Cordes, Antonino Ingargiola, Yazan Alhadid, SangYoon Chung, Xavier Michalet, Shimon Weiss
Classical structural biology can only provide static snapshots of biomacromolecules. Single-molecule Förster resonance energy transfer (smFRET) paved the way for studying dynamics in macromolecular structures under biologically relevant conditions. Since its first implementation in 1996, smFRET experiments have confirmed previously hypothesized mechanisms and provided new insights into many fundamental biological processes, such as DNA maintenance and repair, transcription, translation, and membrane transport...
January 19, 2018: Science
https://www.readbyqxmd.com/read/29346326/lipid-membrane-nanosensors-for-environmental-monitoring-the-art-the-opportunities-and-the-challenges
#4
REVIEW
Georgia-Paraskevi Nikoleli, Dimitrios Nikolelis, Christina G Siontorou, Stephanos Karapetis
The advent of nanotechnology has brought along new materials, techniques, and concepts, readily adaptable to lipid membrane-based biosensing. The transition from micro-sensors to nano-sensors is neither straightforward nor effortless, yet it leads to devices with superior analytical characteristics: ultra-low detectability, small sample volumes, better capabilities for integration, and more available bioelements and processes. Environmental monitoring remains a complicated field dealing with a large variety of pollutants, several decomposition products, or secondary chemicals produced ad hoc in the short- or medium term, many sub-systems affected variously, and many processes largely unknown...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29346292/isoform-sequencing-and-state-of-art-applications-for-unravelling-complexity-of-plant-transcriptomes
#5
REVIEW
Dong An, Hieu X Cao, Changsheng Li, Klaus Humbeck, Wenqin Wang
Single-molecule real-time (SMRT) sequencing developed by PacBio, also called third-generation sequencing (TGS), offers longer reads than the second-generation sequencing (SGS). Given its ability to obtain full-length transcripts without assembly, isoform sequencing (Iso-Seq) of transcriptomes by PacBio is advantageous for genome annotation, identification of novel genes and isoforms, as well as the discovery of long non-coding RNA (lncRNA). In addition, Iso-Seq gives access to the direct detection of alternative splicing, alternative polyadenylation (APA), gene fusion, and DNA modifications...
January 18, 2018: Genes
https://www.readbyqxmd.com/read/29346139/blood-biomarkers-for-evaluation-of-perinatal-encephalopathy-state-of-the-art
#6
Ernest M Graham, Allen D Everett, Jean-Christophe Delpech, Frances J Northington
PURPOSE OF REVIEW: The rapid progress in biomarker science is on the threshold of significantly changing clinical care for infants in the neonatal ICU. Infants with neonatal brain injuries will likely be the first group whose management is dramatically altered with point-of-care, rapidly available brain biomarker analysis. Providing an interim update on progress in this area is the purpose of this review. RECENT FINDINGS: Highlighted findings from the past 18 months of publications on biomarkers in neonatal brain injury include; Specific nonbrain markers of cardiac health and global asphyxia continue to provide information on brain injury after hypoxic-ischemic encephalopathy (HIE)...
January 17, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29345628/reversibility-and-intermediate-steps-as-key-tools-for-the-growth-of-extended-ordered-polymers-via-on-surface-synthesis
#7
Marco Di Giovannantonio, Giorgio Contini
Surface-confined polymerization is a bottom-up strategy to create one- and two-dimensional covalent organic nanostructures with a π-conjugated backbone, which are suitable to be employed in real-life electronic devices, due to their high mechanical resistance and electronic charge transport efficiency. This strategy makes it possible to change the properties of the final nanostructures by a careful choice of the monomer architecture (<i>i.e.</i> of its constituent atoms and their spatial arrangement)...
January 18, 2018: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29345576/radiotracers-for-amyloid-imaging-in-neurodegenerative-disease-state-of-the-art-and-novel-concepts
#8
Angelina Cistaro, Pierpaolo Alongi, Federico Caobelli, Laura Cassalia
The pathological accumulation of various peptides is the common base of many neurodegenerative processes, likewise Alzheimer's disease (AD). AD is carachterized by amyloid deposits which may cause modification in neurotransmission, switching on inflammatory mechanisms, neuronal death and cerebral atrophy. Diagnosis in vivo is challenging as the criteria rely mainly on clinical manifestations, which become evident only in a late stage of the disease. Currently AD diagnosis can be definitively confirmed just by postmortem histopathologic examination but in vivo imaging may improve the clinician's ability to identify AD at the earliest stage...
January 16, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29345195/mitochondrial-dysfunction-and-pulmonary-hypertension-cause-effect-or-both
#9
Jeffrey D Marshall, Isabel Bazan, Yi Zhang, Wassim H Fares, Patty J Lee
Pulmonary hypertension describes a heterogeneous disease defined by increased pulmonary artery pressures, and progressive increase in pulmonary vascular resistance due to pathologic remodeling of the pulmonary vasculature involving pulmonary endothelial cells, pericytes, and smooth muscle cells.  This process occurs under various conditions, and though these populations vary, the clinical manifestations are the same: progressive dyspnea, increases in right ventricular (RV) afterload and dysfunction, RV-pulmonary artery uncoupling, and right-sided heart failure with systemic circulatory collapse...
January 18, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29344988/recent-advances-in-articular-cartilage-evaluation-using-computed-tomography-and-magnetic-resonance-imaging
#10
REVIEW
B B Nelson, C E Kawcak, M F Barrett, C W McIlwraith, M W Grinstaff, L R Goodrich
Articular cartilage is a critical joint tissue and its evaluation remains a diagnostic challenge in horses. Coupled with a poor capacity for healing, early degenerative changes in articular cartilage are difficult to characterise using routine diagnostic imaging evaluations. Computed tomography (CT) and magnetic resonance imaging (MRI) both provide volumetric joint assessment and highlight morphologic and quantitative properties of articular cartilage, improving assessment of this essential tissue. While the use of CT and MRI for joint evaluation is not new, there still remains a shortage of literature and scientific studies on the ability of these methods to evaluate articular cartilage in the horse...
January 17, 2018: Equine Veterinary Journal
https://www.readbyqxmd.com/read/29344515/portal-vein-embolization-state-of-the-art-technique-and-options-to-improve-liver-hypertrophy
#11
REVIEW
Steven Y Huang, Thomas A Aloia
Portal vein embolization (PVE) is associated with a high technical and clinical success rate for induction of future liver remnant hypertrophy prior to surgical resection. The degree of hypertrophy is variable and depends on multiple factors, including technical aspects of the procedure and underlying chronic liver disease. For patients with insufficient liver volume following PVE, adjunctive techniques, such as intra-portal administration of stem cells, dietary supplementation, transarterial embolization, and hepatic vein embolization, are available...
December 2017: Visceral Medicine
https://www.readbyqxmd.com/read/29343908/pet-ct-and-pet-mr-in-urological-cancers-other-than-prostate-cancer-an-update-on-state-of-the-art
#12
REVIEW
Abdul Razik, Chandan Jyoti Das, Sanjay Sharma
Hybrid positron emission tomography with computed tomography (PET/CT) and magnetic resonance imaging (PET/MRI) have enabled the combination of morphologic and functional imaging with the promise of providing better information in guiding therapy. Further advance has been made in the past decade with the development of newer radiotracers and optimization of the technical aspects. We performed a search in PubMed, Scopus, and Google Scholar for peer-reviewed literature concerning the advances and newer developments in the imaging of nonprostate urologic cancers between 2005 and 2017...
January 2018: Indian Journal of Urology: IJU: Journal of the Urological Society of India
https://www.readbyqxmd.com/read/29343470/cognition-in-multiple-sclerosis-state-of-the-field-and-priorities-for-the-future
#13
REVIEW
James F Sumowski, Ralph Benedict, Christian Enzinger, Massimo Filippi, Jeroen J Geurts, Paivi Hamalainen, Hanneke Hulst, Matilde Inglese, Victoria M Leavitt, Maria A Rocca, Eija M Rosti-Otajarvi, Stephen Rao
Cognitive decline is recognized as a prevalent and debilitating symptom of multiple sclerosis (MS), especially deficits in episodic memory and processing speed. The field aims to (1) incorporate cognitive assessment into standard clinical care and clinical trials, (2) utilize state-of-the-art neuroimaging to more thoroughly understand neural bases of cognitive deficits, and (3) develop effective, evidence-based, clinically feasible interventions to prevent or treat cognitive dysfunction, which are lacking. There are obstacles to these goals...
January 17, 2018: Neurology
https://www.readbyqxmd.com/read/29343415/paradigms-for-restoration-of-somatosensory-feedback-via-stimulation-of-the-peripheral-nervous-system
#14
REVIEW
Cristian Pasluosta, Patrick Kiele, Thomas Stieglitz
The somatosensory system contributes substantially to the integration of multiple sensor modalities into perception. Tactile sensations, proprioception and even temperature perception are integrated to perceive embodiment of our limbs. Damage of somatosensory networks can severely affect the execution of daily life activities. Peripheral injuries are optimally corrected via direct interfacing of the peripheral nerves. Recent advances in implantable devices, stimulation paradigms, and biomimetic sensors enabled the restoration of natural sensations after amputation of the limb...
December 27, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29342953/review-of-recent-metamaterial-microfluidic-sensors
#15
REVIEW
Ahmed Salim, Sungjoon Lim
Metamaterial elements/arrays exhibit a sensitive response to fluids yet with a small footprint, therefore, they have been an attractive choice to realize various sensing devices when integrated with microfluidic technology. Micro-channels made from inexpensive biocompatible materials avoid any contamination from environment and require only microliter-nanoliter sample for sensing. Simple design, easy fabrication process, light weight prototype, and instant measurements are advantages as compared to conventional (optical, electrochemical and biological) sensing systems...
January 15, 2018: Sensors
https://www.readbyqxmd.com/read/29341438/natural-antisense-transcripts-in-diseases-from-modes-of-action-to-targeted-therapies
#16
REVIEW
Elżbieta Wanowska, Magdalena Regina Kubiak, Wojciech Rosikiewicz, Izabela Makałowska, Michał Wojciech Szcześniak
Antisense transcription is a widespread phenomenon in mammalian genomes, leading to production of RNAs molecules referred to as natural antisense transcripts (NATs). NATs apply diverse transcriptional and post-transcriptional regulatory mechanisms to carry out a wide variety of biological roles that are important for the normal functioning of living cells, but their dysfunctions can be associated with human diseases. In this review, we attempt to provide a molecular basis for the involvement of NATs in the etiology of human disorders such as cancers and neurodegenerative and cardiovascular diseases...
January 17, 2018: Wiley Interdisciplinary Reviews. RNA
https://www.readbyqxmd.com/read/29341164/patient-derived-organoid-models-help-define-personalized-management-of-gastrointestinal-cancer
#17
REVIEW
M R Aberle, R A Burkhart, H Tiriac, S W M Olde Damink, C H C Dejong, D A Tuveson, R M van Dam
BACKGROUND: The prognosis of patients with different gastrointestinal cancers varies widely. Despite advances in treatment strategies, such as extensive resections and the addition of new drugs to chemotherapy regimens, conventional treatment strategies have failed to improve survival for many tumours. Although promising, the clinical application of molecularly guided personalized treatment has proven to be challenging. This narrative review focuses on the personalization of cancer therapy using patient-derived three-dimensional 'organoid' models...
January 2018: British Journal of Surgery
https://www.readbyqxmd.com/read/29339166/anticoagulation-in-acute-coronary-syndrome-state-of-the-art
#18
REVIEW
Michel Zeitouni, Mathieu Kerneis, Tarek Nafee, Jean-Philippe Collet, Johanne Silvain, Gilles Montalescot
Early intravenous anticoagulation is the corner stone treatment of patients admitted with an acute coronary syndrome: it antagonizes the ongoing coronary thrombosis and facilitates the percutaneous coronary intervention, hence a reduction of mortality and acute stent thrombosis. Unfractionated heparin, enoxaparin, bivalirudin and fondaparinux have been extensively studied in large randomized control trials and meta-analyses with the same objective: reducing the ischemic burden without hiking hemorrhagic events...
January 12, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29338549/sedation-in-cardiac-arrhythmias-management
#19
Federico Guerra, Giulia Stronati, Alessandro Capucci
Procedural sedation is of paramount importance for a plethora of electrophysiological procedures. From electrical cardioversion to electrophysiology studies, device implantations, and catheter ablations, intraprocedural sedation and anesthesia have a pivotal role in allowing procedural success while ensuring patient safety and avoiding discomfort. Areas covered: The present review will discuss the current state-of-the-art in sedation and anesthesia during electrical cardioversion, cardiac implantable electronic device implantation, catheter ablation and electrophysiology studies...
January 17, 2018: Expert Review of Cardiovascular Therapy
https://www.readbyqxmd.com/read/29337870/glioblastoma-under-siege-an-overview-of-current-therapeutic-strategies
#20
REVIEW
Mayra Paolillo, Cinzia Boselli, Sergio Schinelli
Glioblastoma is known to be one of the most lethal and untreatable human tumors. Surgery and radiotherapy in combination with classical alkylating agents such as temozolomide offer little hope to escape a poor prognosis. For these reasons, enormous efforts are currently devoted to refine in vivo and in vitro models with the specific goal of finding new molecular aberrant pathways, suitable to be targeted by a variety of therapeutic approaches, including novel pharmaceutical formulations and immunotherapy strategies...
January 16, 2018: Brain Sciences
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