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Stroke inflammation

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https://www.readbyqxmd.com/read/28936196/anti-inflammatory-targets-for-the-treatment-of-reperfusion-injury-in-stroke
#1
REVIEW
Atsushi Mizuma, Midori A Yenari
While the mainstay of acute stroke treatment includes revascularization via recombinant tissue plasminogen activator or mechanical thrombectomy, only a minority of stroke patients are eligible for treatment, as delayed treatment can lead to worsened outcome. This worsened outcome at the experimental level has been attributed to an entity known as reperfusion injury (R/I). R/I is occurred when revascularization is delayed after critical brain and vascular injury has occurred, so that when oxygenated blood is restored, ischemic damage is increased, rather than decreased...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28935831/anti-inflammatory-approaches-to-ischaemic-stroke-prevention
#2
REVIEW
Peter J Kelly, Sean Murphy, Sarah Coveney, Francisco Purroy, Robin Lemmens, Georgios Tsivgoulis, Chris Price
Stroke is a major cause of neurological morbidity and mortality. Atherosclerosis is a major contributor to first and recurrent stroke. A growing evidence base indicates that inflammation is a key process in the pathogenesis of atherosclerosis, leading to thromboembolic events. In this review, we summarise the evidence linking inflammation to stroke risk and discuss clinical trials addressing the 'inflammation hypothesis' in coronary disease and stroke.Trial registration number CONVINCE trial ClinicalTrials...
September 21, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28933065/cerebrovascular-disease-consequences-of-obesity-induced-endothelial-dysfunction
#3
Liliana Letra, Cristina Sena
Despite the well-known global impact of overweight and obesity in the incidence of cerebrovascular disease, many aspects of this association are still inconsistently defined. In this chapter we aim to present a critical review on the links between obesity and both ischemic and hemorrhagic stroke and discuss its influence on functional outcomes, survival, and current treatments to acute and chronic stroke. The role of cerebrovascular endothelial function and respective modulation is also described as well as its laboratory and clinical assessment...
2017: Advances in Neurobiology
https://www.readbyqxmd.com/read/28930569/the-biology-of-the-platelet-with-special-reference-to-inflammation-wound-healing-and-immunity
#4
Alan T Nurden
While platelets have long been known to be essential for maintaining hemostasis in the vasculature, their role in tissue repair, inflammation and innate and adaptive immunity is a more recent science. The ability of platelets to attach to the vessel wall, form aggregates and promote fibrin formation, key elements of blood clotting, has been said to both favor and dampen inflammation, to fight infection and to assure an adequate immune response. To fulfill their different roles platelets often synchronize with leukocytes and cells of the immune system...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28930554/diet-microparticles-and-atherothrombosis
#5
Lina Badimon, Rosa Suades, Javier Crespo, Teresa Padro, Gemma Chiva-Blanch
Cardiovascular disease is the main cause of death worldwide, and is principally caused by atherosclerosis, with subsequent thrombus formation, eventually provoking an acute myocardial infarction or a stroke. The formation and progression of the atherosclerotic plaques responds to multiple factors including certain diets. Intensive research has elucidated the role of diet in cardiovascular disease and has led to public health policies focusing on educating the population on the role of nutrition in cardiovascular health...
January 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28925931/gut-microbiota-dependent-trimethylamine-n-oxide-and-serum-biomarkers-in-patients-with-t2dm-and-advanced-ckd
#6
Mohammed A I Al-Obaide, Ruchi Singh, Palika Datta, Kathy A Rewers-Felkins, Maria V Salguero, Ibtisam Al-Obaidi, Kameswara Rao Kottapalli, Tetyana L Vasylyeva
Trimethylamine-N-oxide (TMAO) is a product of dietary, gut microbiome, and tissues metabolism. Elevated blood TMAO levels are associated with heart attack, stroke and chronic kidney disease (CKD). The purpose of our study was to investigate the gut microbiota associated with trimethylamine (TMA) production, the precursor of TMAO, and the serum levels of TMAO and inflammatory biomarkers associated with type 2 diabetes mellitus (T2DM) and CKD. Twenty adults with T2DM and advanced CKD and 20 healthy adults participated in the study...
September 19, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28924010/microrna-1906-a-novel-regulator-of-toll-like-receptor-4-ameliorates-ischemic-injury-after-experimental-stroke-in-mice
#7
Xiaomeng Xu, Zhuoyu Wen, Nan Zhao, Xiaohui Xu, Fang Wang, Jie Gao, Yongjun Jiang, Xinfeng Liu
Toll-like receptor 4 (TLR4) is a pro-inflammatory cascade initiator in post-stroke inflammation. In this study, miR-1906, a novel regulator of TLR4, was identified via in silico analysis and microRNA profiling in male adult mice, and its expression was then quantitated in the ischemic hemisphere. We found miR-1906 to be significantly brain-enriched in the ischemic hemisphere and even more drastically enriched in the peri-infarct regions. Furthermore, in vitro experiments demonstrated that during oxygen-glucose deprivation (OGD), miR-1906 expression was increased in glial cells but decreased in neurons...
September 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28923099/whole-blood-gene-expression-and-white-matter-hyperintensities
#8
Honghuang Lin, Claudia Satizabal, Zhijun Xie, Qiong Yang, Tianxiao Huan, Roby Joehanes, Chengping Wen, Peter J Munson, Alexa Beiser, Daniel Levy, Sudha Seshadri
BACKGROUND: White matter hyperintensities (WMH) are an important biomarker of cumulative vascular brain injury and have been associated with cognitive decline and an increased risk of dementia, stroke, depression, and gait impairments. The pathogenesis of white matter lesions however, remains uncertain. The characterization of gene expression profiles associated with WMH might help uncover molecular mechanisms underlying WMH. METHODS: We performed a transcriptome-wide association study of gene expression profiles with WMH in 3248 participants from the Framingham Heart Study using the Affymetrix Human Exon 1...
September 18, 2017: Molecular Neurodegeneration
https://www.readbyqxmd.com/read/28919876/peptide-composition-of-stroke-causing-emboli-correlate-with-serum-markers-of-atherosclerosis-and-inflammation
#9
Neal M Rao, Joseph Capri, Whitaker Cohn, Maram Abdaljaleel, Lucas Restrepo, Jeffrey A Gornbein, William H Yong, David S Liebeskind, Julian P Whitelegge
INTRODUCTION: The specific protein composition of stroke-causing emboli is unknown. Because ischemic stroke has a varied etiology, it is possible that the composition of the thrombus from which an embolus originated will have distinctive molecular characteristics reflective of the underlying pathophysiology. We used mass spectrometry to evaluate the protein composition of retrieved emboli from patients with differing stroke etiologies and correlated the protein levels to serum predictors of atherosclerosis...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28919237/inflammatory-responses-in-multiple-sclerosis-normal-appearing-white-matter-and-in-non-immune-mediated-neurological-conditions-with-wallerian-axonal-degeneration-a-comparative-study
#10
M Vercellino, C Trebini, E Capello, G L Mancardi, M T Giordana, P Cavalla
Inflammatory-like changes in the white matter (WM) are commonly observed in conditions of axonal degeneration by different etiologies. This study is a systematic comparison of the principal features of the inflammatory-like changes in the WM in different pathological conditions characterized by axonal damage/degeneration, focusing in particular on Multiple Sclerosis (MS) normal-appearing white matter (NAWM) compared to non immune-mediated disorders. The study was performed on sections of NAWM from 15 MS cases, 11 cases of non immune-mediated disorders with wallerian axonal degeneration (stroke, trauma, amyotrophic lateral sclerosis), 3 cases of viral encephalitis, 6 control cases...
September 8, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28906458/combination-of-hypertension-along-with-a-high-fat-and-cholesterol-diet-induces-severe-hepatic-inflammation-in-rats-via-a-signaling-network-comprising-nf-%C3%AE%C2%BAb-mapk-and-nrf2-pathways
#11
Yuan Yuan, Hisao Naito, Xiaofang Jia, Kazuya Kitamori, Tamie Nakajima
Populations with essential hypertension have a high risk of nonalcoholic steatohepatitis (NASH). In this study, we investigated the mechanism that underlies the progression of hypertension-associated NASH by comparing differences in the development of high fat and cholesterol (HFC) diet-induced NASH among three strains of rats, i.e., two hypertensive strains comprising spontaneously hypertensive rats and the stroke-prone spontaneously hypertensive 5/Dmcr, and the original Wistar Kyoto rats as the normotensive control...
September 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28905935/age-related-differences-in-interferon-regulatory-factor-4-and-5-signaling-in-ischemic-brains-of-mice
#12
Shou-Cai Zhao, Chun Wang, Heng Xu, Wen-Qian Wu, Zhao-Hu Chu, Ling-Song Ma, Ying-Dong Zhang, Fudong Liu
Stroke is a disease that mainly affects the elderly. Since the age-related differences in stroke have not been well studied, modeling stroke in aged animals is clinically more relevant. The inflammatory responses to stroke are a fundamental pathological procedure, in which microglial activation plays an important role. Interferon regulatory factor-5 (IRF5) and IRF4 regulate M1 and M2 activation of macrophages, respectively, in peripheral inflammation; but it is unknown whether IRF5/IRF4 are also involved in cerebral inflammatory responses to stroke and whether age-related differences of the IRF5/IRF4 signaling exist in ischemic brain...
September 14, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28900826/comparative-examination-of-temporal-glyoxalase-1-variations-following-perforant-pathway-transection-excitotoxicity-and-controlled-cortical-impact-injury
#13
Philipp Pieroh, Daniel-Christoph Wagner, Beat Alessandri, Mojgan Dabbagh Nazari, Angela Ehrlich, Chalid Ghadban, Constance Hobusch, Gerd Birkenmeier, Faramarz Dehghani
Following acute neuronal lesions, metabolic imbalance occurs, the rate of glycolysis increases, and methylglyoxal (MGO) forms, finally leading to metabolic dysfunction and inflammation. The glyoxalase system is the main detoxification system for MGO and is impaired following excitotoxicity and stroke. However, it is not known yet whether alterations of the glyoxalase system are also characteristic for other neuronal damage models. Neuronal damage was induced in organotypic hippocampal slice cultures by transection of perforant pathway (PPT; 5 min to 72 h) and N-methyl-D-aspartate (NMDA; 50 μM for 4 h) or in vivo after controlled cortical impact (CCI) injury (2 h to 14 days)...
September 12, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28900364/performance-characteristics-of-lipoprotein-associated-phospholipase-a2-activity-assay-on-the-dimension-vista-analyser-and-preliminary-study-of-a-healthy-italian-population
#14
Alessandro De Stefano, Liliana Mannucci, Renato Massoud, Sergio Bernardini, Claudio Cortese
INTRODUCTION: Lipoprotein-associated phospholipase A2 (Lp-PLA2) is a marker of vascular inflammation associated with coronary heart disease and stroke. We evaluated analytical performance of the PLAC® Activity Test on Siemens Dimension Vista® 1500 analyzer and measured Lp-PLA2 activity in Italian adults to establish reference intervals (RIs) and evaluate correlation with circulating lipids and age. MATERIALS AND METHODS: The evaluation protocol consisted of precision, linearity, sensitivity, method comparison, substrate depletion ("hook") effect and interference assessment...
October 15, 2017: Biochemia Medica: časopis Hrvatskoga Društva Medicinskih Biokemičara
https://www.readbyqxmd.com/read/28899695/preeclampsia-and-coronary-plaque-erosion-manifestations-of-endothelial-dysfunction-resulting-in-cardiovascular-events-in-women
#15
Saskia C A de Jager, John A L Meeuwsen, Freeke M van Pijpen, Gerbrand A Zoet, Arjan D Barendrecht, Arie Franx, Gerard Pasterkamp, Bas B van Rijn, Marie-José Goumans, Hester M den Ruijter
Atherosclerosis is the major underlying pathology of cardiovascular disease (CVD). The risk for CVD is increased in women with a history of preeclampsia. Multiple studies have indicated that accelerated atherosclerosis underlies this increased CVD risk. Furthermore, it has been suggested that endothelial dysfunction and inflammation play an important role in the increased CVD risk of women with preeclampsia. Rupture or erosion of atherosclerotic plaques can induce the formation of thrombi that underlie the onset of acute clinical CVD such as myocardial infarction and stroke...
September 9, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28893184/the-canadian-hiv-and-aging-cohort-study-determinants-of-increased-risk-of-cardio-vascular-diseases-in-hiv-infected-individuals-rationale-and-study-protocol
#16
Madeleine Durand, Carl Chartrand-Lefebvre, Jean-Guy Baril, Sylvie Trottier, Benoit Trottier, Marianne Harris, Sharon Walmsley, Brian Conway, Alexander Wong, Jean-Pierre Routy, Colin Kovacs, Paul A MacPherson, Kenneth Marc Monteith, Samer Mansour, George Thanassoulis, Michal Abrahamowicz, Zhitong Zhu, Christos Tsoukas, Petronela Ancuta, Nicole Bernard, Cécile L Tremblay
BACKGROUND: With potent antiretroviral drugs, HIV infection is becoming a chronic disease. Emergence of comorbidities, particularly cardiovascular disease (CVD) has become a leading concern for patients living with the infection. We hypothesized that the chronic and persistent inflammation and immune activation associated with HIV disease leads to accelerated aging, characterized by CVD. This will translate into higher incidence rates of CVD in HIV infected participants, when compared to HIV negative participants, after adjustment for traditional CVD risk factors...
September 11, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28892878/role-of-anthropometric-measurements-in-development-of-cvd-and-stroke-among-t2dm-in-east-godavari-district-andhra-pradesh-india
#17
Mortha Kiran Deedi, Alavala Matta Reddy, Nelakuditi Lakshmana Kumar
INTRODUCTION: Cardiovascular morbidity and mortality have been associated with different variables of anthropometric measurements. AIM: To find out the association of anthropometric measurements in the development of Cardiovascular Disease (CVD) and stroke among Type 2 Diabetes Mellitus (T2DM). MATERIALS AND METHODS: Three hundred subjects were included in the study out of which 100 subjects were known type 2 diabetics with CVD or Stroke (Group 1), 100 subjects were type 2 diabetic patients (Group 2) and 100 subjects were normal and healthy (Group 3)...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28888042/effect-of-a-multinutrient-intervention-after-ischemic-stroke-in-female-c57bl-6-mice
#18
Maximilian Wiesmann, Nienke M Timmer, Bastian Zinnhardt, Dirk Reinhard, Sarah Eligehausen, Anja Königs, Hasnae Ben Jeddi, Pieter J Dederen, Andreas H Jacobs, Amanda J Kiliaan
Stroke can affect females very differently from males, and therefore preclinical research on underlying mechanisms and the effects of interventions should not be restricted to male subjects, and treatment strategies for stroke should be tailored to benefit both sexes. Previously, we demonstrated that a multinutrient intervention (Fortasyn) improved impairments after ischemic stroke induction in male C57Bl/6 mice, but the therapeutic potential of this dietary treatment remained to be investigated in females...
September 9, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28885866/caspase-inhibitors-a-review-of-recently-patented-compounds-2013-2015
#19
Hyemin Lee, Eun Ah Shin, Jae Hee Lee, Deoksoo Ahn, Chang Geun Kim, Ju-Ha Kim, Sung-Hoon Kim
Although many caspase inhibitors have been patented, caspase inhibitors have not entered the market due to their toxicity and poor pharmacokinetic profile. Areas covered: In this article, we review patents (2013-2015) for peptide and non-peptide caspase inhibitors and their compositions. Expert opinion: Noteworthy patents include a peptidic caspase-2 inhibitor for nasal administration and a peptidomimetic caspase-6 inhibitor that can be administered via several routes for the treatment of neurodegenerative diseases...
September 8, 2017: Expert Opinion on Therapeutic Patents
https://www.readbyqxmd.com/read/28884281/angiotensin-receptor-blockade-by-inhibiting-glial-activation-promotes-hippocampal-neurogenesis-via-activation-of-wnt-%C3%AE-catenin-signaling-in-hypertension
#20
Shahnawaz Ali Bhat, Ruby Goel, Shubha Shukla, Rakesh Shukla, Kashif Hanif
Hypertension is one of the major risk factors for central nervous system (CNS) disorders like stroke and Alzheimer's disease (AD). On the other hand, CNS diseases like AD have been associated with gliosis and impaired neurogenesis. Further, renin angiotensin system (RAS) is intricately associated with hypertension; however, the accumulating evidences suggest that over-activity of RAS may perpetuate the brain inflammation related with AD. Therefore, in the present study, we examined the effect of hypertension and RAS on glial (astrocytes and microglia) activation and hippocampal neurogenesis in a rat model of chronic hypertension...
September 7, 2017: Molecular Neurobiology
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