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https://www.readbyqxmd.com/read/29239134/recent-advances-in-managing-atherosclerosis-via-nanomedicine
#1
REVIEW
Cecilia Ka Wing Chan, Lei Zhang, Chak Kwong Cheng, Hongrong Yang, Yu Huang, Xiao Yu Tian, Chung Hang Jonathan Choi
Atherosclerosis, driven by chronic inflammation of the arteries and lipid accumulation on the blood vessel wall, underpins many cardiovascular diseases with high mortality rates globally, such as stroke and ischemic heart disease. Engineered bio-nanomaterials are now under active investigation as carriers of therapeutic and/or imaging agents to atherosclerotic plaques. This Review summarizes the latest bio-nanomaterial-based strategies for managing atherosclerosis published over the past five years, a period marked by a rapid surge in preclinical applications of bio-nanomaterials for imaging and/or treating atherosclerosis...
December 14, 2017: Small
https://www.readbyqxmd.com/read/29227525/functional-electrical-stimulation-and-ankle-foot-orthoses-provide-equivalent-therapeutic-effects-on-foot-drop-a-meta-analysis-providing-direction-for-future-research
#2
Sarah Prenton, Kristen L Hollands, Laurence P J Kenney, Pornsuree Onmanee
OBJECTIVE: To compare the randomized controlled trial evidence for therapeutic effects on walking of functional electrical stimulation and ankle foot orthoses for foot drop caused by central nervous system conditions. DATA SOURCES: MEDLINE, CINAHL, Cochrane Central Register of Controlled Trials, REHABDATA, PEDro, NIHR Centre for Reviews and Dissemination, Scopus and clinicaltrials.gov. STUDY SELECTION: One reviewer screened titles/abstracts...
November 17, 2017: Journal of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29223103/bilateral-early-activity-in-the-hip-flexors-associated-with-falls-in-stroke-survivors-preliminary-evidence-from-laboratory-induced-falls
#3
Dmitrijs Celinskis, Mark D Grabiner, Claire F Honeycutt
OBJECTIVE: Falls are the most common and expensive medical complication following stroke. Hypermetric reflexes have been suggested to impact post-stroke balance but no study has evaluated reflex amplitudes under real conditions of falls in this population. Our objective was to quantify the early reflexive responses during falls induced in the laboratory. METHODS: Sixteen stroke survivors were exposed to posteriorly directed treadmill perturbations that required a forward step to maintain a balance...
November 21, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29210074/white-matter-degeneration-in-vascular-and-other-ageing-related-dementias
#4
REVIEW
Yoshika Hase, Karen Horsburgh, Masafumi Ihara, Raj N Kalaria
Advances in neuroimaging have enabled greater understanding of the progression of cerebral degenerative processes associated with ageing-related dementias. Leukoaraiosis or rarefied white matter (WM) originally described on computed tomography is one of the most prominent changes which occurs in older age. White matter hyperintensities (WMH) evident on magnetic resonance imaging have become commonplace to describe WM changes in relation to cognitive dysfunction, types of stroke injury, cerebral small vessel disease and neurodegenerative disorders including Alzheimer's disease...
December 6, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29209451/mir-149-reduces-while-let-7-elevates-asic1a-expression-in-vitro
#5
Yu-Qing Jiang, Xiang-Ming Zha
Acid-sensing ion channel 1a (ASIC1a) is the key subunit that determines acid-activated currents in neurons. ASIC1a is important for neural plasticity, learning, and for multiple neurological diseases, including stroke, multiple sclerosis, and traumatic injuries. These findings underline the importance for better defining mechanisms that regulate ASIC1a expression. During the past decade, microRNA has emerged as one important group of regulatory molecules in controlling protein expression. However, little is known about whether microRNA regulates ASIC1a...
2017: International Journal of Physiology, Pathophysiology and Pharmacology
https://www.readbyqxmd.com/read/29201814/life-space-assessment-in-stroke-patients
#6
You-Na Yang, Bo-Ram Kim, Kyeong Eun Uhm, Soo Jin Kim, Seunghwan Lee, Mooyeon Oh-Park, Jongmin Lee
Objective: To evaluate the reliability of the practical life space in post-stroke patients using the Korean version of the Life-Space Assessment (K-LSA) questionnaire and to assess the relationships between the K-LSA and physical function, daily activity, quality of life, and post-stroke depression. Methods: The LSA questionnaire was translated into Korean, and the translated version was authorized by the author of the LSA questionnaire. In a cross-sectional study, the performance of the K-LSA was evaluated in 34 stroke patients (20 males and 14 females; mean age 65...
October 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/29199649/testosterone-and-its-metabolites-differential-associations-with-cardiovascular-and-cerebrovascular-events-in-men
#7
REVIEW
Bu B Yeap
As men grow older, circulating testosterone declines while the incidence of cardiovascular disease increases. Thus, the role of sex hormones as biomarkers, and possibly contributing factors to clinical manifestations of cardiovascular disease in the increasing demographic of aging men, has attracted considerable interest. This review focuses on observational studies of endogenous androgens, namely circulating testosterone and dihydrotestosterone, which have examined their associations with cardiovascular events such as myocardial infarction and stroke...
December 1, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/29184182/a-quantitative-method-for-microstructural-analysis-of-myelinated-axons-in-the-injured-rodent-brain
#8
Erik van Tilborg, Caren M van Kammen, Caroline G M de Theije, Maurits P A van Meer, Rick M Dijkhuizen, Cora H Nijboer
MRI studies (e.g. using diffusion tensor imaging) revealed that injury to white matter tracts, as observed in for instance perinatal white matter injury and multiple sclerosis, leads to compromised microstructure of myelinated axonal tracts. Alterations in white matter microstructure are also present in a wide range of neurological disorders including autism-spectrum disorders, schizophrenia and ADHD. Whereas currently myelin quantity measures are often used in translational animal models of white matter disease, it can be an important valuable addition to study the microstructural organization of myelination patterns in greater detail...
November 28, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29181841/epidural-therapy-for-the-treatment-of-severe-pre-eclampsia-in-non-labouring-women
#9
REVIEW
Amita Ray, Sujoy Ray
BACKGROUND: Pre-eclampsia is a pregnancy-specific multi-organ disorder, which is characterised by hypertension and multisystem organ involvement and which has significant maternal and fetal morbidity and mortality. Failure of the placental vascular remodelling and reduced uteroplacental flow form the etiopathological basis of pre-eclampsia. There are several established therapies for pre-eclampsia including antihypertensives and anticonvulsants. Most of these therapies aim at controlling the blood pressure or preventing complications of elevated blood pressure, or both...
November 28, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29180804/hypertension-prevalence-awareness-treatment-and-control-in-northeast-china-a-population-based-cross-sectional-survey
#10
Fu-Liang Zhang, Zhen-Ni Guo, Ying-Qi Xing, Yan-Hua Wu, Hao-Yuan Liu, Yi Yang
Hypertension has been recognized as a major risk factor for cardiovascular disease. We aimed to analyze the current prevalence, awareness, treatment, and control of hypertension in northeast China. This cross-sectional survey adopted the multistage stratified random cluster sampling method to obtain a representative sample of adults aged 40 years or older in the general population of northeast China. Hypertension was defined as a systolic blood pressure (SBP) ≥ 140 mm Hg, or diastolic blood pressure (DBP) ≥ 90 mm Hg, or self-reported use of antihypertensive medications in the last 2 weeks irrespective of BP...
November 27, 2017: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29178105/-translation-into-spanish-and-a-preliminary-analysis-of-the-psychometric-properties-of-the-newcastle-stroke-specific-quality-of-life-measure-newsqol-questionnaire-for-rating-the-quality-of-life-among-post-stroke-patients
#11
C Soto-Vidal, S Pacheco-da-Costa, S Fernandez-Guinea, T Gallego-Izquierdo
INTRODUCTION: The Newcastle Stroke-Specific Quality of Life Measure (NEWSQOL) is one of the few specific questionnaires for evaluating the quality of life among patients who have suffered an ischaemic or haemorrhagic stroke. AIMS: To translate and adapt this questionnaire into Spanish and to evaluate its reliability and acceptability. PATIENTS AND METHODS: The original version of the NEWSQOL questionnaire was translated into Spanish. The translation was agreed upon by a team of experts, and was then back-translated into English and sent to the author, who gave her approval of the rendering...
December 1, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/29173174/autophagy-after-subarachnoid-hemorrhage-can-cell-death-be-good
#12
Wing-Mann Ho, Onat Akyol, Haley Reis, Cesar Reis, Devin McBride, Claudius Thome, John Zhang
Autophagy is a prosurvival, reparative process that maintains cellular homeostasis through lysosomal degradation of selected cytoplasmic components and programmed death of old, dysfunctional, or unnecessary cytoplasmic entities. According to growing evidence, autophagy shows beneficial effects following subarachnoid hemorrhage (SAH). SAH is considered one of the most devastating forms of stroke. Though autophagy is prosurvival and aids in repair, deregulated or excessive autophagy results in increased cell death, more brain injury, and worse outcome...
November 23, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/29173102/mokey-a-versatile-exergame-creator-for-everyday-usage
#13
Martina Eckert, Marcos López, Carlos Lázaro, Juan Meneses
Currently, virtual applications for physical exercises are highly appreciated as rehabilitation instruments. This paper presents a middleware called "MoKey" (Motion Keyboard), which converts standard off-the-shelf software into exergames (exercise games). A configurable set of gestures, captured by a motion capture camera, is translated into the key strokes required by the chosen software. The present study assessed the tool regarding usability and viability on a heterogeneous group of 11 participants, aged 5-51, with moderate to severe disabilities, and mostly bound to a wheelchair...
November 27, 2017: Assistive Technology: the Official Journal of RESNA
https://www.readbyqxmd.com/read/29169656/cardiovascular-responses-to-intranasal-neuropeptide-y-in-single-prolonged-stress-rodent-model-of-post-traumatic-stress-disorder
#14
Robert Camp, Charles T Stier, Lidia I Serova, Jaclyn McCloskey, John G Edwards, Miguel Reyes-Zaragoza, Esther L Sabban
Delivery of neuropeptide Y (NPY) to the brain by intranasal administration shows promise as non-invasive means for preventing or treating PTSD symptoms. Here, radiotelemetry and echocardiography were used to determine effects of intranasal NPY on cardiovascular functions in absence and presence of stress. Male adult Sprague Dawley rats were implanted with radiotelemetric probes, and subjected to single prolonged stress (SPS), followed by intranasal vehicle (V) or NPY (150μg) under conditions shown to prevent development of many of the behavioral neuroendocrine and biochemical impairments...
November 8, 2017: Neuropeptides
https://www.readbyqxmd.com/read/29168622/mitral-valve-pressure-gradient-after-percutaneous-mitral-valve-repair-every-beat-counts
#15
Daniel Lavall, Bruno Scheller, Christian Werner, Axel Buob, Felix Mahfoud
A patient presented with symptoms of decompensated heart failure 2 months after percutaneous mitral valve (MV) repair. Echocardiography demonstrated impaired left ventricular function with elevated MV pressure gradients and pulmonary pressures during rapid atrial fibrillation. Heart rate control was achieved by implantation of a biventricular pacemaker with subsequent His-bundle ablation because atrial fibrillation was refractory to medical treatment. During biventricular pacing at different rates (50-110 b...
November 23, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29159397/extracellular-mitochondria-for-therapy-and-diagnosis-in-acute-central-nervous-system-injury
#16
Kazuhide Hayakawa, Morgan Bruzzese, Sherry H-Y Chou, MingMing Ning, Xunming Ji, Eng H Lo
Objective: Acute central nervous system (CNS) injury after stroke and trauma remains a clinical challenge with limited diagnostic and therapeutic approaches. In this article, we review studies suggesting that after CNS injury, mitochondria can be released into extracellular space as a "help-me" signal to augment recovery. Results are taken from experimental studies in cell and animal models and an initial proof-of-concept analysis in humans suggesting the functional relevance of extracellular mitochondria after acute CNS injury...
November 20, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29150739/cell-therapy-in-stroke-cautious-steps-towards-a-clinical-treatment
#17
REVIEW
Olivier Detante, Keith Muir, Jukka Jolkkonen
In the future, stroke patients may receive stem cell therapy as this has the potential to restore lost functions. However, the development of clinically deliverable therapy has been slower and more challenging than expected. Despite recommendations by STAIR and STEPS consortiums, there remain flaws in experimental studies such as lack of animals with comorbidities, inconsistent approaches to experimental design, and concurrent rehabilitation that might lead to a bias towards positive results. Clinical studies have typically been small, lacking control groups as well as often without clear biological hypotheses to guide patient selection...
November 17, 2017: Translational Stroke Research
https://www.readbyqxmd.com/read/29146750/trpm7-transient-receptor-potential-melastatin-like-7-channel-kinase-controls-calcium-responses-in-arterial-thrombosis-and-stroke-in-mice
#18
Sanjeev K Gotru, Wenchun Chen, Peter Kraft, Isabelle C Becker, Karen Wolf, Simon Stritt, Susanna Zierler, Heike M Hermanns, Deviyani Rao, Anne-Laure Perraud, Carsten Schmitz, René P Zahedi, Peter J Noy, Michael G Tomlinson, Thomas Dandekar, Masayuki Matsushita, Vladimir Chubanov, Thomas Gudermann, Guido Stoll, Bernhard Nieswandt, Attila Braun
OBJECTIVE: TRPM7 (transient receptor potential melastatin-like 7 channel) is a ubiquitously expressed bifunctional protein comprising a transient receptor potential channel segment linked to a cytosolic α-type serine/threonine protein kinase domain. TRPM7 forms a constitutively active Mg(2+) and Ca(2+) permeable channel, which regulates diverse cellular processes in both healthy and diseased conditions, but the physiological role of TRPM7 kinase remains largely unknown. APPROACH AND RESULTS: Here we show that point mutation in TRPM7 kinase domain deleting the kinase activity in mice (Trpm7(R/R) ) causes a marked signaling defect in platelets...
November 16, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/29146736/quantitative-high-throughput-screening-identifies-cytoprotective-molecules-that-enhance-sumo-conjugation-via-the-inhibition-of-sumo-specific-protease-senp-2
#19
Joshua D Bernstock, Daniel Ye, Jayden A Smith, Yang-Ja Lee, Florian A Gessler, Adam Yasgar, Jennifer Kouznetsova, Ajit Jadhav, Zhuoran Wang, Stefano Pluchino, Wei Zheng, Anton Simeonov, John M Hallenbeck, Wei Yang
The development of novel neuroprotective treatments for acute stroke has been fraught with failures, which supports the view of ischemic brain damage as a highly complex multifactorial process. Post-translational modifications such as small ubiquitin-like modifier (SUMO)ylation have emerged as critical molecular regulatory mechanisms in states of both homeostasis and ischemic stress, as evidenced by our previous work. Accordingly, the clinical significance of the selective control of the global SUMOylation process has become apparent in studies of ischemic pathobiology and pathophysiology...
November 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29141778/pathophysiology-and-risk-of-atrial-fibrillation-detected-after-ischemic-stroke-paradise-a-translational-integrated-and-transdisciplinary-approach
#20
Maryse Paquet, Joshua O Cerasuolo, Victoria Thorburn, Sebastian Fridman, Rasha Alsubaie, Renato D Lopes, Lauren E Cipriano, Paula Salamone, C W James Melling, Ali R Khan, Lucas Sedeño, Jiming Fang, Maria Drangova, Manuel Montero-Odasso, Jennifer Mandzia, Alexander V Khaw, Juan M Racosta, Justin Paturel, Lucy Samoilov, Devin Stirling, Brittany Balint, Victoria Jaremek, Marlys L Koschinsky, Michael B Boffa, Kelly Summers, Agustín Ibañez, Marko Mrkobrada, Gustavo Saposnik, Kurt Kimpinski, Shawn N Whitehead, Luciano A Sposato
BACKGROUND: It has been hypothesized that ischemic stroke can cause atrial fibrillation. By elucidating the mechanisms of neurogenically mediated paroxysmal atrial fibrillation, novel therapeutic strategies could be developed to prevent atrial fibrillation occurrence and perpetuation after stroke. This could result in fewer recurrent strokes and deaths, a reduction or delay in dementia onset, and in the lessening of the functional, structural, and metabolic consequences of atrial fibrillation on the heart...
November 13, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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