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Ischemic stroke biomarkers in blood

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https://www.readbyqxmd.com/read/29444972/usefulness-of-adamts13-to-predict-response-to-recanalization-therapies-in-acute-ischemic-stroke
#1
Alejandro Bustamante, MingMing Ning, Teresa García-Berrocoso, Anna Penalba, Cristina Boada, Alba Simats, Jorge Pagola, Marc Ribó, Carlos Molina, Eng Lo, Joan Montaner
OBJECTIVE: We aimed to analyze ADAMTS13 (a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13) in relation to arterial recanalization in patients treated with IV tissue plasminogen activator (tPA) and in relation to futile recanalization in patients treated with mechanical thrombectomy. METHODS: Acute ischemic stroke patients (n = 108) with documented arterial occlusions treated with IV-tPA were selected. ADAMTS13 activity was measured by ELISA in samples collected before treatment...
February 14, 2018: Neurology
https://www.readbyqxmd.com/read/29415332/ccl23-a-new-cc-chemokine-involved-in-human-brain-damage
#2
Alba Simats, Teresa García-Berrocoso, Anna Penalba, Dolors Giralt, Gemma Llovera, Yinghua Jiang, Laura Ramiro, Alejandro Bustamante, Elena Martinez-Saez, Francesc Canals, Xiaoying Wang, Arthur Liesz, Anna Rosell, Joan Montaner
BACKGROUND: CCL23 role in the inflammatory response after acute brain injuries remains elusive. Here, we evaluated whether CCL23 blood levels associate with acquired cerebral lesions and determined CCL23 predictive capacity for assessing stroke prognosis. We used pre-clinical models to study the CCL23 homologous chemokines in rodents, CCL9 and CCL6. METHODS: Baseline CCL23 blood levels were determined on 245 individuals, including ischemic strokes (IS), stroke-mimics and controls...
February 7, 2018: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29414888/mass-spectrometry-based-proteomic-profiling-of-thrombotic-material-obtained-by-endovascular-thrombectomy-in-patients-with-ischemic-stroke
#3
Roberto Muñoz, Enrique Santamaría, Idoya Rubio, Karina Ausín, Aiora Ostolaza, Alberto Labarga, Miren Roldán, Beatriz Zandio, Sergio Mayor, Rebeca Bermejo, Mónica Mendigaña, María Herrera, Nuria Aymerich, Jorge Olier, Jaime Gállego, Maite Mendioroz, Joaquín Fernández-Irigoyen
Thrombotic material retrieved from acute ischemic stroke (AIS) patients represents a valuable source of biological information. In this study, we have developed a clinical proteomics workflow to characterize the protein cargo of thrombi derived from AIS patients. To analyze the thrombus proteome in a large-scale format, we developed a workflow that combines the isolation of thrombus by endovascular thrombectomy and peptide chromatographic fractionation coupled to mass-spectrometry. Using this workflow, we have characterized a specific proteomic expression profile derived from four AIS patients included in this study...
February 7, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29386475/ability-of-b-type-natriuretic-peptide-testing-to-predict-cardioembolic-stroke-in-the-general-population%C3%A3-comparisons-with-c-reactive-protein-and-urinary-albumin
#4
Motoyuki Nakamura, Yasuhiro Ishibashi, Fumitaka Tanaka, Shinichi Omama, Toshiyuki Onoda, Tomohiro Takahashi, Shuko Takahashi, Kozo Tanno, Masaki Ohsawa, Kiyomi Sakata, Makoto Koshiyama, Kuniaki Ogasawara, Akira Okayama
BACKGROUND: The ability of cardiovascular biomarkers to predict the incidence of stroke subtypes remains ill-defined in the general population.Methods and Results:The blood levels of B-type natriuretic peptide (BNP) and high-sensitivity C-reactive protein (hs-CRP) and urinary albumin corrected by urinary creatinine (UACR) were determined in a general population (n=13,575). The ability to predict the incidence of ischemic stroke subtypes (lacunar, atherothrombotic, cardioembolic) for each biomarker was assessed based on the area under the receiver-operating characteristic curve (AUC-ROC) and using Cox proportional hazard modeling...
January 30, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29368175/differential-proteomics-for-distinguishing-ischemic-stroke-from-controls-a-pilot-study-of-the-spectra-project
#5
A M Penn, V Saly, A Trivedi, M L Lesperance, K Votova, A M Jackson, N S Croteau, R F Balshaw, M B Bibok, D S Smith, K K Lam, J Morrison, L Lu, S B Coutts, C H Borchers
A diagnostic blood test for stroke is desirable but will likely require multiple proteins rather than a single "troponin." Validating large protein panels requires large patient numbers. Mass spectrometry (MS) is a cost-effective tool for this task. We compared differences in the abundance of 147 protein markers to distinguish 20 acute cerebrovascular syndrome (ACVS) patients who presented to the Emergency Department of one urban hospital within < 24 h from onset) and from 20 control patients who were enrolled via an outpatient neurology clinic...
January 24, 2018: Translational Stroke Research
https://www.readbyqxmd.com/read/29321236/midregional-proatrial-natriuretic-peptide-improves-risk-stratification-after-ischemic-stroke-association-with-mortality-and-cardioembolic-etiology
#6
Gian Marco De Marchis, Juliane Schneider, Anja Weck, Felix Fluri, Joachim Fladt, Christian Foerch, Beat Mueller, Andreas Luft, Mirjam Christ-Crain, Marcel Arnold, Mira Katan
OBJECTIVE: To validate midregional proatrial natriuretic peptide (MR-proANP) for outcome prediction and diagnosis of cardioembolic stroke etiology compared to established clinical variables. METHODS: In this prospective multicenter cohort study, we quantified MR-proANP levels in ischemic stroke patients within 24 hours of onset. Primary outcome measures were 90-day mortality, unfavorable functional outcome (modified Rankin Scale score >2), and cardioembolic stroke etiology diagnosed during hospitalization...
January 10, 2018: Neurology
https://www.readbyqxmd.com/read/29245986/plasma-proteomics-reveals-coagulation-inflammation-and-metabolic-shifts-in-h-type-hypertension-patients-with-and-without-acute-ischemic-stroke
#7
Feng Zhou, Lv Zhou, Tie Guo, Nianzhen Wang, Haizhen Hao, Yanhui Zhou, Dan Yu
Systematic profiling of a larger portion of circulating plasma proteome provide opportunities for unbiased discovery of novel markers to improve diagnostic, therapeutic, or predictive accuracy. This study aimed to identify differentially expressed proteins (DEPs) in plasma that could provide overall insight into the molecular changes of both H- type hypertension (HH) and HH-related acute ischemic stroke (AIS). This study used an iTRAQ-based LC-MS/MS proteomics approach to screen for plasma DEPs in HH patients with and without AIS, and controls...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29239134/recent-advances-in-managing-atherosclerosis-via-nanomedicine
#8
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/29215835/-matrix-metalloproteinase-1-8-9-and-the-risk-of-cardiovascular-complications-in-patients-with-chd-before-and-after-myocardial-revascularization
#9
E V Shkorik, E V Markelova, A A Silaev, B I Geltser, A A Semenikhin, L N Fedjanina
There is still a great need for detection of biomarkers for early prediction and diagnosis of cardiovascular complications (CVC) in patients with CHD. Objective: To determine the role of MMP-1, 8, 9 in the risk of CCO in patients with CHD before and after coronary artery bypass grafting (CABG). Methods. The study included 75 patients with coronary heart disease before and after myocardial revascularization by CABG, including 40 men and 35 women aged from 45 to 74 years. Patients were divided into two groups: I group - 25 patients with CVC registered after CABG (acute myocardial infarction, ischemic stroke, pulmonary thromboembolism Branch); II group - 50 patients with coronary heart disease without complications after myocardial revascularization...
April 2017: Patologicheskaia Fiziologiia i èksperimental'naia Terapiia
https://www.readbyqxmd.com/read/29203579/heads-and-tails-of-natriuretic-peptides-neuroprotective-role-of-brain-natriuretic-peptide
#10
Héctor Fernández-Susavila, Manuel Rodríguez-Yáñez, Antonio Dopico-López, Susana Arias, María Santamaría, Paulo Ávila-Gómez, Juan M Doval-García, Tomás Sobrino, Ramón Iglesias-Rey, José Castillo, Francisco Campos
BACKGROUND: Besides the relevant role of brain-type natriuretic peptide (BNP) as biomarker of cardioembolic strokes, new experimental evidences suggest that this peptide may mediate neuroprotective effects. In this study, we have evaluated for the first time the clinical association between BNP (by means of proBNP) and good outcome in ischemic stroke patients, and analyzed the effect of blood BNP increase in an ischemic animal model. METHODS AND RESULTS: A retrospective study with 2 different cohorts (262 patients in cohort I and 610 in cohort II) from the same prospective stroke registry was performed...
December 4, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29197413/timing-of-oral-anticoagulant-therapy-in-acute-ischemic-stroke-with-atrial-fibrillation-study-protocol-for-a-registry-based-randomised-controlled-trial
#11
Signild Åsberg, Ziad Hijazi, Bo Norrving, Andreas Terént, Patrik Öhagen, Jonas Oldgren
BACKGROUND: Oral anticoagulation therapy is recommended for the prevention of recurrent ischemic stroke in patients with atrial fibrillation (AF). Current guidelines do not provide evidence-based recommendations on optimal time-point to start anticoagulation therapy after an acute ischemic stroke. Non-vitamin K antagonist oral anticoagulants (NOACs) may offer advantages compared to warfarin because of faster and more predictable onset of action and potentially a lower risk of intracerebral haemorrhage also in the acute phase after an ischemic stroke...
December 2, 2017: Trials
https://www.readbyqxmd.com/read/29133510/single-cell-immuno-laser-microdissection-coupled-to-label-free-proteomics-to-reveal-the-proteotypes-of-human-brain-cells-after-ischemia
#12
Teresa García-Berrocoso, Víctor Llombart, Laura Colàs-Campàs, Alexandre Hainard, Virginie Licker, Anna Penalba, Laura Ramiro, Alba Simats, Alejandro Bustamante, Elena Martínez-Saez, Francesc Canals, Jean-Charles Sanchez, Joan Montaner
Cerebral ischemia entails rapid tissue damage in the affected brain area causing devastating neurological dysfunction. How each component of the neurovascular unit contributes or responds to the ischemic insult in the context of the human brain has not been solved yet. Thus, the analysis of the proteome is a straightforward approach to unraveling these cell proteotypes.In this study, post-mortem brain slices from ischemic stroke patients were obtained corresponding to infarcted (IC) and contralateral (CL) areas...
November 13, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29128328/circulating-micrornas-as-biomarkers-for-acute-ischemic-stroke-a-systematic-review
#13
Brittany Dewdney, Alexandra Trollope, Joseph Moxon, Diana Thomas Manapurathe, Erik Biros, Jonathan Golledge
BACKGROUND: Acute ischemic stroke is a leading cause of death and disability worldwide. Unlike myocardial infarction, there is no current blood test to diagnose acute ischemic stroke. MicroRNAs (miRNAs) are very stable in the blood and have been suggested as potential diagnostic markers. MATERIALS AND METHODS: This review aimed to systematically assess case-control studies investigating the association of circulating miRNAs with acute ischemic stroke. Medline, CINAHL, Cochrane Library, Web of Science, Scopus, and PubMed were searched for studies that examined the association of circulating miRNAs in patients with acute ischemic stroke...
November 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/29113076/gene-expression-analysis-of-the-effect-of-ischemic-infarction-in-whole-blood
#14
Ayako Takuma, Arata Abe, Yoshikazu Saito, Chikako Nito, Masayuki Ueda, Yoshiro Ishimaru, Hideki Harada, Keiko Abe, Kazumi Kimura, Tomiko Asakura
Given the abundance of stroke patients and deaths from stroke worldwide, many studies concerning the aftermath of stroke are being carried out. To reveal the precise effect of ischemic infarction, we conducted a comprehensive gene expression analysis. Alongside a middle cerebral artery occlusion (MCAO) Sprague-Dawley rat model, we used a group undergoing sham surgery for comparison, which was the same as MCAO surgery but without blood vessel occlusion. Subsequently, infarction of the brains of MCAO-treated rats occurred, but did not occur in the sham-treated rats...
November 5, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29042780/frequencies-of-circulating-b-and-t-lymphocytes-as-indicators-for-stroke-outcomes
#15
Yanling Wang, Jihong Liu, Xuemei Wang, Zongjian Liu, Fengwu Li, Fenghua Chen, Xiaokun Geng, Zhili Ji, Huishan Du, Xiaoming Hu
BACKGROUND: Stroke has high mortality and morbidity. Biomarkers are required for to predict stroke outcomes, which could help clinicians to provide rationale approaches for patient management. The dynamic changes in circulating immune cells have been reported in stroke patients and animal models of stroke. AIM: The aim of this study was to explore biomarkers to predict stroke outcomes by investigating the relationship between the frequencies of circulating immune cells and stroke outcomes...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/29042430/ideal-cardiovascular-health-and-incident-cardiovascular-disease-heterogeneity-across-event-subtypes-and-mediating-effect-of-blood-biomarkers-the-prime-study
#16
Bamba Gaye, Muriel Tafflet, Dominique Arveiler, Michèle Montaye, Aline Wagner, Jean-Bernard Ruidavets, Frank Kee, Alun Evans, Philippe Amouyel, Jean Ferrieres, Jean-Philippe Empana
BACKGROUND: The aim of this study was to investigate whether the association between baseline cardiovascular health (CVH) and incident cardiovascular disease differs according to coronary heart disease (CHD) and stroke subtypes, and to assess the mediating effect of inflammatory and hemostatic blood biomarkers. METHODS AND RESULTS: The association of ideal CVH with outcomes was derived in 9312 middle-aged men from Northern Ireland and France (whole cohort) in multivariable Cox proportional hazards regression analysis...
October 17, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29032752/association-between-apolipoproteins-ai-and-b-and-ultrasound-indicators-of-carotid-atherosclerosis
#17
Zeljko Zivanovic, Ivana Divjak, Mirjana Jovicevic, Tamara Rabi-Zikic, Biljana Radovanovic, Svetlana Ruzicka-Kaloci, Djordje Stevan Popovic, Edita Stokic, Ksenija Gebauer-Bukurov, Katarina Zivanovic-Vujcic, Petar Slankamenac
BACKGROUND: Apolipoproteins A-I and B (apoA-I and apoB) may be better indicators of the risk of cardiovascular and cerebrovascular diseases than conventional risk factors (RFs). The onset of ischemic stroke (IS) may be preceded by the development of atherosclerotic changes in carotid arteries, which can be detected by ultrasound. Only a certain % of patients with IS have an (underlying) carotid etiology. OBJECTIVE: The aim of our study was to determine the association between ultrasound indicators of carotid atherosclerosis and the presence of apolipoproteins and other biomarkers in patients with IS...
October 10, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28991604/comparisons-of-cardiometabolic-biomarkers-lifestyle-behaviors-and-dietary-sodium-and-potassium-intake-in-a-representative-sample-of-korean-adults-with-and-without-cardio-cerebrovascular-diseases
#18
JinShil Kim, Eunok Park
PURPOSE: To compare the cardiometabolic condition of obesity, blood pressure (BP), cholesterol, dietary sodium and potassium intake, and lifestyle behaviors of persons with cardio-cerebrovascular diseases, with those who are disease-free in Korea. METHODS: A secondary data analysis was conducted using a representative sample of Korean adults. RESULTS: Of 10,906 Korean adults (mean age 43.12 ± 0.24 years, women 50.4%), 9,074 were disease-free and 1,520 had hypertension, 137 stroke, and 175 ischemic heart disease...
September 2017: Asian Nursing Research
https://www.readbyqxmd.com/read/28990089/kinin-b1-receptor-as-a-novel-prognostic-progression-biomarker-for-carotid-atherosclerotic-plaques
#19
Tiantian Liu, Hengfang Liu, Li Feng, Bo Xiao
Stroke caused by atherosclerosis remains a leading cause of morbidity and mortality worldwide, associated with carotid plaque rupture and inflammation progression. However, the inflammatory biomarkers which aid in predicting the future course of plaques are less detailed. The present study investigated the association between plaque vulnerable and inflammatory biomarkers using blood and plaque specimens. Carotid plaque specimens were obtained from 80 patients following stroke, 14 patients suffering from transient ischaemic attack and 17 asymptomatic patients that underwent carotid endarterectomy...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28988828/epigenetics-and-cardiovascular-regenerative-medicine-in-the-elderly
#20
REVIEW
Sarah Costantino, Giovanni G Camici, Shafeeq Ahmed Mohammed, Massimo Volpe, Thomas F Lüscher, Francesco Paneni
Cardiovascular disease (CVD) is a recognized age-dependent condition whose incidence is set to increase due to the gradual aging of the population. Moreover, ischemic cardiovascular diseases (i.e. stroke, myocardial infarction, critical limb ischemia) requiring blood vessel growth are associated with a worse outcome in elderly patients. Therefore, understanding the molecular cues regulating the vascular repair process is of paramount importance to prevent undesirable cardiovascular complications in this setting...
January 1, 2018: International Journal of Cardiology
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