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Homocysteine and stroke

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https://www.readbyqxmd.com/read/28215036/serum-levels-of-homocysteine-at-admission-are-associated-with-post-stroke-depression-in-acute-ischemic-stroke
#1
Yan Li, Li-Li Cao, Lin Liu, Qin-De Qi
The primary purpose of this study was to assess the serum levels of homocysteine (HCY) at admission to the presence of post-stroke depression (PSD). From September 2014 to December 2015, first-ever acute ischemic stroke patients within the first 24 h after stroke onset were consecutively recruited and followed-up for 3 months. Based on the symptoms, diagnoses of depression were made in accordance with DSM-IV criteria for depression. By the time of 3 month after stroke, 238 had finished the follow-up and included in our study...
February 18, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28210876/effect-of-hyperhomocysteinemia-on-redox-balance-and-redox-defence-enzymes-in-ischemia-reperfusion-injury-and-or-after-ischemic-preconditioning-in-rats
#2
Martin Petráš, Anna Drgová, Mária Kovalská, Zuzana Tatarková, Barbara Tóthová, Oľga Križanová, Ján Lehotský
Increased level of homocysteine (hHcy) in plasma is an accompanying phenomenon of many diseases, including a brain stroke. This study determines whether hyperhomocysteinemia (which is a risk factor of brain ischemia) itself or in combination with ischemic preconditioning affects the ischemia-induced neurodegenerative changes, generation of reactive oxygen species (ROS), lipoperoxidation, protein oxidation, and activity of antioxidant enzymes in the rat brain cortex. The hHcy was induced by subcutaneous administration of homocysteine (0...
February 16, 2017: Cellular and Molecular Neurobiology
https://www.readbyqxmd.com/read/28185308/medical-cost-savings-in-sakado-city-and-worldwide-achieved-by-preventing-disease-by-folic-acid-fortification
#3
REVIEW
Yasuo Kagawa, Mami Hiraoka, Mitsuyo Kageyama, Yoshiko Kontai, Mayumi Yurimoto, Chiharu Nishijima, Kaori Sakamoto
The introduction of mandatory fortification of grains with folate in 1998 in the United States resulted in 767 fewer spina bifida cases annually and a cost savings of $603 million per year. However, far more significant medical cost savings result from preventing common diseases, including myocardial infarction, stroke, dementia and osteoporosis. A cost-effectiveness analysis showed a gain of 266,649 quality-adjusted life-years and $3.6 billion saved annually, mainly due to the reduction of cardiac infarction...
February 9, 2017: Congenital Anomalies
https://www.readbyqxmd.com/read/28181217/hypercoagulability-and-migraine
#4
Gretchen E Tietjen, Stuart A Collins
BACKGROUND: A growing body of literature suggests that migraineurs, particularly those with aura, have an increased risk for ischemic stroke, but not via enhanced atherosclerosis. The theory that micro-emboli induced ischemia provokes cortical spreading depression (ie, symptomatic aura) in migraineurs but transient ischemic attacks in others highlights a potential role for hypercoagulability as a link between migraine (with aura) and stroke. AIM: Our objective is to summarize the literature evaluating the association of migraine with various acquired or inheritable thrombophilic states, including those related to elevated estrogen levels, endothelial activation and dysfunction, antiphospholipid antibodies (aPL), deficiency of coagulation inhibitors, and presence of certain genetic polymorphisms...
February 9, 2017: Headache
https://www.readbyqxmd.com/read/28171870/methylene-tetrahydrofolate-reductase-mthfr-rs868014-polymorphism-regulated-by-mir-1203-associates-with-risk-and-short-term-outcome-of-ischemic-stroke
#5
Wei He, Minzhi Lu, Guoqing Li, Zhigang Sun, Dinghua Liu, Lujun Gu
BACKGROUND/AIMS: Genetic polymorphisms of methylene tetrahydrofolate reductase (MTHFR) were associated with ischemic stroke risk. This study analyzed MTHFR polymorphisms at the 3'-untranslated region for association with risk and outcome of ischemic stroke in a Chinese Han population. METHODS: 500 patients and 600 healthy volunteers were enrolled for MTHFR rs868014 genotyping identified bioinformatically. The binding of miR-1203 to MTHFR rs868014 was determined by luciferase assay, MTHFR expression was assessed using qRT-PCR, and plasma homocysteine levels were assayed by ELISA...
February 8, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28148501/folic-acid-therapy-reduces-serum-uric-acid-in-hypertensive-patients-a-substudy-of-the-china-stroke-primary-prevention-trial-csppt
#6
Xianhui Qin, Youbao Li, Mingli He, Genfu Tang, Delu Yin, Min Liang, Binyan Wang, Jing Nie, Yong Huo, Xin Xu, Fan Fan Hou
BACKGROUND: The effect of folic acid supplementation on uric acid (UA) concentrations is still inconclusive. OBJECTIVE: We aimed to test the efficacy of folic acid therapy in reducing serum UA in hypertensive patients. DESIGN: A total of 15,364 hypertensive patients were randomly assigned to a double-blind daily treatment with a single tablet that contained 10 mg enalapril and 0.8 mg folic acid (n = 7685) or 10 mg enalapril alone (n = 7679)...
February 1, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28145815/dl-3-n-butylphthalide-can-improve-the-cognitive-function-of-patients-with-acute-ischemic-stroke-a-prospective-intervention-study
#7
Haiqing Yan, Zhixin Yan, Xiaolu Niu, Jianling Wang, Yongkun Gui, Ping Zhang
OBJECTIVES: The present study investigated the effects of dl-3-n-butylphthalide on cognitive function of patients with acute ischemic stroke (AIS). METHODS: A total of 104 patients with AIS admitted between October 2012 and June 2013 were assigned to either the Treatment (standardized treatment plus dl-3-n-butylphthalide) or Control (standardized treatment alone) groups. Cognitive function was assessed by the Beijing version of the Montreal Cognitive Assessment (MoCA-BJ) and Mini-Mental State Examination (MMSE) before and 1 month after treatment, when high-sensitivity C-reactive protein (hs-CRP) and homocysteine (Hcy) were also detected...
February 1, 2017: Neurological Research
https://www.readbyqxmd.com/read/28101099/magnetic-resonance-volumetry-prediction-of-subjective-memory-complaints-and-mild-cognitive-impairment-and-associations-with-genetic-and-cardiovascular-risk-factors
#8
Sigbjørn Rogne, Torgil Vangberg, Petter Eldevik, Gry Wikran, Ellisiv B Mathiesen, Henrik Schirmer
BACKGROUND/AIMS: Subjective memory complaints (SMC) are strong predictors of mild cognitive impairment (MCI) and subsequent Alzheimer's disease. Our aims were to see if fully automated cerebral MR volume measurements could distinguish subjects with SMC and MCI from controls, and if probable parental late-onset Alzheimer's disease (LOAD), apolipoprotein E ε4 genotype, total plasma homocysteine, and cardiovascular risk factors were associated with MR volumetric findings. METHODS: 198 stroke-free subjects comprised the control (n = 58), the SMC (n = 25) and the MCI (n = 115) groups...
September 2016: Dementia and Geriatric Cognitive Disorders Extra
https://www.readbyqxmd.com/read/28076518/serum-klotho-but-not-haplotypes-associate-with-the-post-myocardial-infarction-status-of-older-adults
#9
Roberta S Paula, Vinícius C Souza, Wilcelly Machado-Silva, Bruno Ratier S Almeida, Andersen C Daros, Lucy Gomes, Aparecido P Ferreira, Ciro J Brito, Cláudio Córdova, Clayton F Moraes, Otávio T Nóbrega
OBJECTIVES: The number of deaths from vascular diseases is incredibly high worldwide, and reliable markers for major events are still needed. The current cross-sectional study investigated the association of Klotho haplotypes and Klotho serum levels with classic risk factors and a clinical history of vascular events. METHODS: Clinical, anthropometric, biochemical and nutritional assessments were conducted with 168 older adults, complemented by genotyping (rs9536314 and rs9527025) and the detection of serum Klotho (ELISA)...
December 1, 2016: Clinics
https://www.readbyqxmd.com/read/27979431/prognostic-value-of-c-reactive-protein-and-homocysteine-in-large-artery-atherosclerotic-stroke-a-prospective-observational-study
#10
Zusen Ye, Zhizhong Zhang, Hao Zhang, Yonggang Hao, Jun Zhang, Wenhua Liu, Gelin Xu, Xinfeng Liu
BACKGROUND: Our objective is to investigate whether C-reactive protein (CRP) and homocysteine (Hcy) levels in the acute phase of large-artery atherosclerotic stroke predict long-term functional disability and recurrent vascular events. METHODS: Patients with first-ever large-artery atherosclerotic ischemic stroke were prospectively registered in the Nanjing Stroke Registry Program between January 2012 and June 2014. Venous blood samples were collected within 2 weeks after the index stroke...
December 12, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27932944/role-of-homocysteine-in-the-ischemic-stroke-and-development-of-ischemic-tolerance
#11
REVIEW
Ján Lehotský, Barbara Tothová, Maria Kovalská, Dušan Dobrota, Anna Beňová, Dagmar Kalenská, Peter Kaplán
Homocysteine (Hcy) is a toxic, sulfur-containing intermediate of methionine metabolism. Hyperhomocysteinemia (hHcy), as a consequence of impaired Hcy metabolism or defects in crucial co-factors that participate in its recycling, is assumed as an independent human stroke risk factor. Neural cells are sensitive to prolonged hHcy treatment, because Hcy cannot be metabolized either by the transsulfuration pathway or by the folate/vitamin B12 independent remethylation pathway. Its detrimental effect after ischemia-induced damage includes accumulation of reactive oxygen species (ROS) and posttranslational modifications of proteins via homocysteinylation and thiolation...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27905385/-a-role-of-genetic-factors-and-related-disorder-of-the-folate-cycle-in-ischemic-stroke
#12
V M Shklovsky, I P Lukashevich, A Yu Remennik, S M Gerasimova, G S Selishchev, D I Malin, V V Valyaeva
AIM: To study a role of MTHFR mutations and their associations with the disturbances of basic parameters of the folate cycle in the development of ischemic stroke (IS). MATERIAL AND METHODS: Fifty-one post-stroke patients, 26 women and 25 men, aged from 29 to 87 years, were included in the study. The control group consisted of 47 healthy people, 23 women and 24 men, aged from 30 to 83 years. MTHFR: rs1801131 and rs1801133 polymorphisms were genotyped. Contents of folate, B12 and homocysteine were measured...
2016: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/27869211/homocysteine-and-its-relationship-to-asymptomatic-carotid-stenosis-in-a-chinese-community-population
#13
Jiaokun Jia, Anxin Wang, Jing Wang, Jianwei Wu, Xiujuan Yan, Yong Zhou, Shengyun Chen, Xingquan Zhao
Little is known about the association between homocysteine (Hcy) and asymptomatic CAS in the healthy population. The purpose of this study was to investigate the relationship between Hcy levels and asymptomatic CAS in a Chinese community population. The current study included 5393 participants who were age of 40 years or older, and free of stroke, transient ischemic attack, and coronary artery disease. Demographic and clinical variables were investigated, and the presence of CAS was assessed by Color Doppler Ultrasound...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27861706/predicting-risk-of-cognitive-decline-in-very-old-adults-using-three-models-the-framingham-stroke-risk-profile-the-cardiovascular-risk-factors-aging-and-dementia-model-and-oxi-inflammatory-biomarkers
#14
Stephanie L Harrison, Anton J M de Craen, Ngaire Kerse, Ruth Teh, Antoneta Granic, Karen Davies, Keith A Wesnes, Wendy P J den Elzen, Jacobijn Gussekloo, Thomas B L Kirkwood, Louise Robinson, Carol Jagger, Mario Siervo, Blossom C M Stephan
OBJECTIVES: To examine the Framingham Stroke Risk Profile (FSRP); the Cardiovascular Risk Factors, Aging, and Incidence of Dementia (CAIDE) risk score, and oxi-inflammatory load (cumulative risk score of three blood biomarkers-homocysteine, interleukin-6, C-reactive protein) for associations with cognitive decline using three cohort studies of very old adults and to examine whether incorporating these biomarkers with the risk scores can affect the association with cognitive decline. DESIGN: Three longitudinal, population-based cohort studies...
November 14, 2016: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/27858927/is-folic-acid-supplementation-useful-for-chronic-kidney-disease
#15
Gonzalo A Bravo-Soto, Trinidad Madrid
Patients with chronic kidney disease have higher cardiovascular risk than general population, a fact that has been linked to high homocysteine levels. Folic acid supplementation can reduce homocysteine levels, which would reduce cardiovascular events. However, there is controversy about the clinical effects of this measure. Searching in Epistemonikos database, which is maintained by screening 30 databases, we identified six systematic reviews comprising 13 trials addressing the question of this article. We combined the evidence using meta-analysis and generated a summary of findings following the GRADE approach...
November 7, 2016: Medwave
https://www.readbyqxmd.com/read/27834686/elevated-homocysteine-concentrations-decrease-the-antihypertensive-effect-of-angiotensin-converting-enzyme-inhibitors-in-hypertensive-patients
#16
Xianhui Qin, Youbao Li, Ningling Sun, Hong Wang, Yan Zhang, Jiguang Wang, Jianping Li, Xin Xu, Min Liang, Jing Nie, Binyan Wang, Xiaoshu Cheng, Nanfang Li, Yingxian Sun, Lianyou Zhao, Xiaobin Wang, Fan Fan Hou, Yong Huo
OBJECTIVE: We aimed to examine whether baseline homocysteine (Hcy) concentrations affect antihypertensive responses to enalapril treatment among previously untreated hypertensive patients (n=10 783) in the CSPPT (China Stroke Primary Prevention Trial). APPROACH AND RESULTS: After a 3-week run-in treatment with a daily dose of 10 mg enalapril, eligible hypertensive patients were randomly assigned to a double-blind daily treatment of a tablet of either enalapril (10 mg) and folic acid (0...
January 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27803490/impact-of-homocysteine-level-on-long-term-cardiovascular-outcomes-in-patients-after-coronary-artery-stenting
#17
Jih-Kai Yeh, Chun-Chi Chen, Ming-Jer Hsieh, Ming-Lung Tsai, Chia-Hung Yang, Dong-Yi Chen, Shang-Hung Chang, Chao-Yung Wang, Cheng-Hung Lee, I-Chang Hsieh
AIM: The prognostic value of homocysteine (HCY) in patients with coronary artery diseases (CAD) is still controversial. The objective of this study was to investigate whether elevated HCY level at admission predict long-term outcomes in patients after percutaneous coronary interventions (PCI) with coronary artery stenting. METHODS: From the institutional registry of Cardiovascular Atherosclerosis and Percutaneous TrAnsluminal INterventions (CAPTAIN), we enrolled a total of 1,307 patients with documented CAD undergone PCI with bare metal stents from July 2003 to December 2014...
November 1, 2016: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/27775787/ptx3-expression-in-the-plasma-of-elderly-aci-patients-and-its-relationship-with-severity-and-prognosis-of-the-disease
#18
L-Z Qin, W Li, Y Huang, F Lu, S-J Li, H-Q Yang, J-W Zhang
OBJECTIVE: This study aims to investigate the expression of pentraxin3 (PTX3) in elderly patients with acute cerebral infarction (ACI) and to analyze the relationship of PTX3 with the severity and prognosis of ACI. PATIENTS AND METHODS: Between June 2014 and August 2015, 96 elderly patients with first-onset of ACI admitted to our institution were enrolled in the present study. Also, 70 healthy elderly subjects were included as controls in this study. Levels of PTX3, C-reactive protein (CRP), tumor necrosis factor (TNF)-α, homocysteine (Hcy), fibrinogen (FIB), total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C) were determined in all patients both pre-therapeutically and 30 days post-therapeutically...
October 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27773468/homocysteine-concentration-in-coronary-artery-disease-influence-of-three-common-single-nucleotide-polymorphisms
#19
C Bickel, R B Schnabel, E Zengin, E Lubos, H Rupprecht, K Lackner, C Proust, D Tregouet, S Blankenberg, D Westermann, C Sinning
BACKGROUND AND AIMS: Whether single nucleotide polymorphisms (SNPs) of homocysteine metabolism enzymes influence the rate of cardiovascular (CV) events in coronary artery disease (CAD) patients remains controversial. METHODS AND RESULTS: In this analysis, 1126 subjects from the AtheroGene study with CAD and 332 control subjects without known CAD were included. The following SNPs were investigated: methylentetrahydrofolate reductase (MTHFR-C667T), methionin synthetase (MS-D919G), and cystathionin beta synthetase (CBS-I278T)...
September 17, 2016: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/27772792/the-homocysteine-associated-variant-rs548987-of-slc17a3-confers-susceptibility-to-ischemic-stroke-in-chinese-population
#20
Shouqing Huang, Lianhua Yin, Yihui Xu, Chunyan Zou, Lidian Chen
Ischemic stroke is a common cause of death due to obstructed blood supply of the brain. Despite growing numbers of research, etiology underlying ischemic stroke remains complex and elusive. Elevated plasma homocysteine has been known as a risk factor for ischemic stroke. Recently, a genome-wide association study reported association between rs548987 of SLC17A3 and homocysteine. Given existing relation between homocysteine and ischemic stroke, SLC17A3 was believed to be a promising candidate gene of ischemic stroke...
November 15, 2016: Journal of the Neurological Sciences
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