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https://www.readbyqxmd.com/read/27904758/penetrating-thoracic-spinal-cord-injury-with-ice-pick-extending-into-the-aorta-a-technical-note-and-review-of-the-literature
#1
Rani Nasser, Jonathan Nakhla, Saadat Sharif, Merritt Kinon, Reza Yassari
BACKGROUND: Penetrating spinal cord injuries pose a great challenge to both patients and the treating physicians. Although the overall incidence of penetrating spinal cord injury is the highest in the military, the ubiquity of guns in our society continues to make penetrating spinal cord injury prevalent in the civilian population. These types of injuries are particularly complicated because, beyond the trauma to the neural elements and supporting structures, other organs can be affected and a team approach is required for successful treatment...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27904530/blockade-of-il-23-ameliorates-allergic-lung-inflammation-via-decreasing-the-infiltration-of-tc17-cells
#2
Sheng Cheng, Huilong Chen, Aili Wang, Hansvin Bunjhoo, Yong Cao, Jungang Xie, Yongjian Xu, Weining Xiong
INTRODUCTION: Tc17 cells are interleukin (IL)-17-producing CD8(+) T cells and have been found to participate in the development of allergic asthma. Interleukin-23 is a cytokine that may be involved in modulating the IL-17 response via Th17 cells. This study aimed to investigate whether IL-23 also has immunomodulatory effects on Tc17 cells. MATERIAL AND METHODS: An allergic asthmatic mouse model was induced by sensitizing and challenging with ovalbumin (OVA). Anti-IL-23 antibody was administered intratracheally before challenge to the OVA-induced asthmatic mouse model...
December 1, 2016: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/27903845/protein-biomarkers-of-mood-disorders
#3
EDITORIAL
Carmen Rodríguez Cerdeira, Elena Sánchez-Blanco, Beatriz Sánchez-Blanco, Jose Luis González-Cespón
Psychiatric evaluation presents a significant challenge because it conceptually integrates the input from multiple psychopathological approaches. Recent technological advances in the study of protein structure, function, and interactions have provided a breakthrough in the diagnosis and treatment of mood disorders (MD), and have identified novel biomarkers to be used as indicators of normal and disease states or response to drug treatment. The investigation of biomarkers for psychiatric disorders, such as enzymes (catechol-O-methyl transferase and monoamine oxidases) or neurotransmitters (dopamine, serotonin, norepinephrine) and their receptors, particularly their involvement in neuroendocrine activity, brain structure, and function, and response to psychotropic drugs, should facilitate the diagnosis of MD...
November 30, 2016: International Journal of Immunopathology and Pharmacology
https://www.readbyqxmd.com/read/27903458/cardiac-arrest-among-patients-with-infections-causes-clinical-practice-and-research-implications
#4
REVIEW
Davide Leoni, Jordi Rello
The incidence of sepsis is increasing, and the condition is now the leading cause of death in general intensive care units (ICUs). Our review failed to identify studies of the causes of cardiac arrest among infected patients, even though non-cardiac causes represent 15% of out-of-hospital cardiac arrests and though one-third of events have positive blood cultures. Sudden cardiac arrest is the result of local damage to the heart and of the impact of systemic and pulmonary conditions on cardiac performance, and its danger is underestimated...
November 26, 2016: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/27900575/glycosaminoglycanomics-where-we-are
#5
Sylvie Ricard-Blum, Frédérique Lisacek
Glycosaminoglycans regulate numerous physiopathological processes such as development, angiogenesis, innate immunity, cancer and neurodegenerative diseases. Cell surface GAGs are involved in cell-cell and cell-matrix interactions, cell adhesion and signaling, and host-pathogen interactions. GAGs contribute to the assembly of the extracellular matrix and heparan sulfate chains are able to sequester growth factors in the ECM. Their biological activities are regulated by their interactions with proteins. The structural heterogeneity of GAGs, mostly due to chemical modifications occurring during and after their synthesis, makes the development of analytical techniques for their profiling in cells, tissues, and biological fluids, and of computational tools for mining GAG-protein interaction data very challenging...
November 30, 2016: Glycoconjugate Journal
https://www.readbyqxmd.com/read/27899683/validation-of-an-integrative-mathematical-model-of-dehydration-and-rehydration-in-virtual-humans
#6
W Andrew Pruett, John S Clemmer, Robert L Hester
Water homeostasis is one of the body's most critical tasks. Physical challenges to the body, including exercise and surgery, almost always coordinate with some change in water handling reflecting the changing needs of the body. Vasopressin is the most important hormone that contributes to short-term water homeostasis. By manipulating vascular tone and regulating water reabsorption in the collecting duct of the kidneys, vasopressin can mediate the retention or loss of fluids quickly. In this study, we validated HumMod, an integrative mathematical model of human physiology, against six different challenges to water homeostasis with special attention to the secretion of vasopressin and maintenance of electrolyte balance...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27899384/rifampicin-induced-adrenal-crisis-in-a-patient-with-tuberculosis-a-therapeutic-challenge
#7
Nicholas Denny, Sarika Raghunath, Praveen Bhatia, Muntasir Abdelaziz
A 55-year-old Indian man presented with productive cough and a large left pleural effusion. Pleural fluid culture grew Mycobacterium tuberculosis, and he was started on antituberculosis therapy. One week later, the patient presented to hospital with drowsiness, dehydration and hypotension. He was transferred to critical care and only improved after starting hydrocortisone and stopping rifampicin. His short synACTHen test subsequently confirmed primary adrenal insufficiency, and a CT of the abdomen showed bilateral adrenal enlargement...
November 29, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27896765/blood-bio-sampling-procedures-for-multiplex-biomarkers-studies
#8
Paul C Guest, Hassan Rahmoune
A major challenge in single or panel of biomarker discovery and validation is the inherent biological complexity underlying disease heterogeneity and inconsistent responses to treatment. Moreover, the lack of standardization in the sampling, processing, and storage of biological fluids such as plasma and serum disrupts the discovery and validation of blood-based biomarker tests in preclinical and clinical settings. This chapter presents a reproducible sample collection and handling procedure that aims to enhance analyte stability and ensure compatibility with the corresponding multiplex biomarker profiling platforms...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27895565/challenges-to-the-pair-bond-neural-and-hormonal-effects-of-separation-and-reunion-in-a-monogamous-primate
#9
Katie Hinde, Chelsea Muth, Nicole Maninger, Benjamin J Ragen, Rebecca H Larke, Michael R Jarcho, Sally P Mendoza, William A Mason, Emilio Ferrer, Simon R Cherry, Marina L Fisher-Phelps, Karen L Bales
Social monogamy at its most basic is a group structure in which two adults form a unit and share a territory. However, many socially monogamous pairs display attachment relationships known as pair bonds, in which there is a mutual preference for the partner and distress upon separation. The neural and hormonal basis of this response to separation from the adult pair mate is under-studied. In this project, we examined this response in male titi monkeys (Callicebus cupreus), a socially monogamous New World primate...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27894944/surface-projected-flair-supr-flair-analysis-a-novel-tool-for-advanced-imaging-of-epilepsy
#10
Francesco Cardinale, Stefano Francione, Luciana Gennari, Alberto Citterio, Maurizio Sberna, Laura Tassi, Roberto Mai, Ivana Sartori, Lino Nobili, Massimo Cossu, Laura Castana, Giorgio Lo Russo, Nadia Colombo
OBJECTIVE: The objective of this pilot retrospective study is to describe the SUrface-PRojected FLuid-Attenuation-Inversion-Recovery (SUPR-FLAIR) analysis, a novel method mainly aimed at revealing cortical areas with subtle signal hyper-intensity. METHODS: Images from 101 healthy controls and ten patients suffering from drug-resistant partial epilepsy were retrospectively post-processed. Brain surface was reconstructed from a 3D T1-weighted fast field echo (3D T1W-FFE) MRI scan...
November 25, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27894669/the-role-of-the-laboratory-and-transfusion-service-in-the-management-of-ebola-virus-disease
#11
REVIEW
Scott A Koepsell, Anne M Winkler, John D Roback
The Ebola outbreak that began in 2013 infected and killed record numbers of individuals and created unprecedented challenges, including containment and treatment of the virus in resource-strained West Africa as well as the repatriation and treatment for patients in the United States and Europe. Valuable lessons were learned, especially the important role that the laboratory and transfusion service plays in the treatment for patients with Ebola virus disease (EVD) by providing data for supportive care and fluid resuscitation as well as the generation of investigational therapies such as convalescent plasma (CP)...
November 16, 2016: Transfusion Medicine Reviews
https://www.readbyqxmd.com/read/27894494/optimal-fluid-therapy-for-traumatic-hemorrhagic-shock
#12
REVIEW
Ronald Chang, John B Holcomb
The resuscitation of traumatic hemorrhagic shock has undergone a paradigm shift in the last 20 years with the advent of damage control resuscitation (DCR). Major principles of DCR include minimization of crystalloid, permissive hypotension, transfusion of a balanced ratio of blood products, and goal-directed correction of coagulopathy. In particular, plasma has replaced crystalloid as the primary means for volume expansion for traumatic hemorrhagic shock. Predicting which patient will require DCR by prompt and accurate activation of a massive transfusion protocol, however, remains a challenge...
January 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/27891237/the-impact-of-fire-suppression-tasks-on-firefighter-hydration-a-critical-review-with-consideration-of-the-utility-of-reported-hydration-measures
#13
REVIEW
Adam Walker, Rodney Pope, Robin Marc Orr
BACKGROUND: Firefighting is a highly stressful occupation with unique physical challenges, apparel and environments that increase the potential for dehydration. Dehydration leaves the firefighter at risk of harm to their health, safety and performance. The purpose of this review was to critically analyse the current literature investigating the impact of fighting 'live' fires on firefighter hydration. METHODS: A systematic search was performed of four electronic databases for relevant published studies investigating the impact of live fire suppression on firefighter hydration...
2016: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/27890776/epigallocatechin-3-gallate-alleviates-paraquat-induced-acute-lung-injury-and-inhibits-upregulation-of-toll-like-receptors
#14
Haitao Shen, Na Wu, Zhenning Liu, Hongyu Zhao, Min Zhao
AIMS: To evaluate the detoxifying effect of epigallocatechin-3-gallate (EGCG) on paraquat (PQ)-induced acute lung injury in mice, and to explore the action mechanisms. MAIN METHODS: Following administration of PQ, the mice received a low, a medium or a high dose of EGCG daily for three days. Histopathology of the lungs were examined by H&E staining. The levels of inflammatory cytokines, such as TNF-α, IL-1β and IL-6, in the bronchoalveolar lavage fluid were measured by enzyme-linked immunosorbent assay...
November 24, 2016: Life Sciences
https://www.readbyqxmd.com/read/27890537/computational-fluid-dynamics-modeling-of-contrast-transport-in-basilar-aneurysms-following-flow-altering-surgeries
#15
Alireza Vali, Adib A Abla, Michael T Lawton, David Saloner, Vitaliy L Rayz
In vivo measurement of blood velocity fields and flow descriptors remains challenging due to image artifacts and limited resolution of current imaging methods; however, in vivo imaging data can be used to inform and validate patient-specific computational fluid dynamics (CFD) models. Image-based CFD can be particularly useful for planning surgical interventions in complicated cases such as fusiform aneurysms of the basilar artery, where it is crucial to alter pathological hemodynamics while preserving flow to the distal vasculature...
November 11, 2016: Journal of Biomechanics
https://www.readbyqxmd.com/read/27890184/imaging-of-cerebrospinal-fluid-rhinorrhea-and-otorrhea
#16
REVIEW
Mahati Reddy, Kristen Baugnon
As the obesity epidemic grows in the United States, rhinorrhea and otorrhea from spontaneous cerebrospinal fluid (CSF) leaks secondary to untreated idiopathic intracranial hypertension are increasing in prevalence. CSF rhinorrhea and otorrhea should also be carefully evaluated in posttraumatic and postsurgical settings, because untreated CSF leaks often have serious consequences. The work-up, diagnosis, and characterization of a CSF leak can be complex, often requiring a multimodality approach to optimize surgical planning...
January 2017: Radiologic Clinics of North America
https://www.readbyqxmd.com/read/27890032/ageism-we-are-our-own-worst-enemy
#17
Kerry Sargent-Cox
In 1969, Butler (1969) first coined the term "ageism" to confront "prejudice by one age group toward other age groups" (pp. 243). As with other "isms," such as racism and sexism, ageism leads to bigotry and discrimination, though it is a very distinct beast in that, for the most part, other "isms" refer to those different from ourselves: distinct, mutually exclusive, and impervious groups. Conversely, age is a fluid social construct in which we are all intimately bound as we move through the lifespan, transitioning in and out of different age-groups...
November 28, 2016: International Psychogeriatrics
https://www.readbyqxmd.com/read/27889190/diagnosis-of-multiple-sclerosis-progress-and-challenges
#18
REVIEW
Wallace J Brownlee, Todd A Hardy, Franz Fazekas, David H Miller
The diagnosis of multiple sclerosis is based on neurological symptoms and signs, alongside evidence of dissemination of CNS lesions in space and time. MRI is often sufficient to confirm the diagnosis when characteristic lesions accompany a typical clinical syndrome, but in some patients, further supportive information is obtained from cerebrospinal fluid examination and neurophysiological testing. Differentiation is important from other diseases in which demyelination is a feature (eg, neuromyelitis optica spectrum disorder and acute disseminated encephalomyelitis) and from non-demyelinating disorders such as chronic small vessel disease and other inflammatory, granulomatous, infective, metabolic, and genetic causes that can mimic multiple sclerosis...
November 23, 2016: Lancet
https://www.readbyqxmd.com/read/27884636/an-in-vitro-and-in-vivo-study-of-peptide-functionalized-nanoparticles-for-brain-targeting-the-importance-of-selective-blood-brain-barrier-uptake
#19
Gerard H Bode, Gregory Coué, Christian Freese, Karin E Pickl, Maria Sanchez-Purrà, Berta Albaiges, Salvador Borrós, Ewoud C van Winden, Leto-Aikaterini Tziveleka, Zili Sideratou, Johan F Engbersen, Smriti Singh, Krystyna Albrecht, Jürgen Groll, Martin Möller, Andy J G Pötgens, Christoph Schmitz, Eleonore Fröhlich, Christian Grandfils, Frank M Sinner, C James Kirkpatrick, Harry W M Steinbusch, Hans-Georg Frank, Ronald E Unger, Pilar Martinez-Martinez
Targeted delivery of drugs across endothelial barriers remains a formidable challenge, especially in the case of the brain, where the blood-brain barrier severely limits entry of drugs into the central nervous system. Nanoparticle-mediated transport of peptide/protein-based drugs across endothelial barriers shows great potential as a therapeutic strategy in a wide variety of diseases. Functionalizing nanoparticles with peptides allows for more efficient targeting to specific organs. We have evaluated the hemocompatibilty, cytotoxicity, endothelial uptake, efficacy of delivery and safety of liposome, hyperbranched polyester, poly(glycidol) and acrylamide-based nanoparticles functionalized with peptides targeting brain endothelial receptors, in vitro and in vivo...
November 21, 2016: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/27884589/cohabitation-with-an-ehrlich-tumor-bearing-cagemate-induces-immune-but-not-behavioral-changes-in-male-mice
#20
Thalita R M Machado, Glaucie J Alves, Wanderley M Quinteiro-Filho, João Palermo-Neto
Cohabitation with Ehrlich ascitic tumor-injected conspecifics induces behavioral, neurochemical, endocrine and immune changes indicative of stress and immune impairment in female mice. The present work analyzed the effects of similar cohabitation in Swiss and Balb/C male mice. At least 12 pairs of male mice were divided into a control group and an experimental group. On experimental day 1 (ED1), one animal within each experimental pair was inoculated with 5×10(6) Ehrlich tumor cells intraperitoneally (i.p...
November 21, 2016: Physiology & Behavior
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