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https://www.readbyqxmd.com/read/29166803/oxidative-stress-in-cerebral-small-vessel-disease-role-of-reactive-species
#1
Cezary Grochowski, Jakub Litak, Piotr Kamieniak, Ryszard Maciejewski
Cerebral small vessel disease (CSVD) is a wide term describing the condition affecting perforating arterial branches as well as arterioles, venules and capillaries. Cerebral vascular net is one of the main targets of localized oxidative stress processes causing damage to vasculature, changes in the blood flow and blood-brain barrier and, in consequence, promoting neurodegenerative alterations in the brain tissue. Numerous studies report the fact of oxidation to proteins, sugars, lipids and nucleic acids, occurring in most neurodegenerative diseases mainly in the earliest stages and correlations with the development of cognitive and motor disturbances...
November 22, 2017: Free Radical Research
https://www.readbyqxmd.com/read/29156222/cerebral-small-vessel-disease-in-middle-age-and-genetic-predisposition-to-late-onset-alzheimer-s-disease
#2
James D Stefaniak, Li Su, Elijah Mak, Nasim Sheikh Bahaei, Katie Wells, Karen Ritchie, Adam Waldman, Craig W Ritchie, John T O'Brien
INTRODUCTION: Cerebral small vessel disease (CSVD) is associated with late-onset Alzheimer's disease (LOAD) and might contribute to the relationship between apolipoprotein E ε4 (APOEε4) and LOAD, in older people. However, it is unclear whether CSVD begins in middle age in individuals genetically predisposed to LOAD. METHODS: We assessed the relationship between radiological markers of CSVD, white matter hyperintensities and microbleeds, and genetic predisposition to LOAD in a cross-sectional analysis of cognitively normal subjects aged 40-59 years recruited from the PREVENT Dementia study...
November 18, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29104648/identification-of-key-signaling-pathways-in-cerebral-small-vessel-disease-using-differential-pathway-network-analysis
#3
Gang Zheng, Qianlei Zheng, Qianwei Xu
Cerebral small vessel disease (CSVD) primarily affects the perforating cerebral arterioles and capillaries, and results in injury to subcortical grey and white matter. Despite advances in determining the genetic basis of CSVD, the molecular mechanisms underlying the development and progression of CSVD remain unclear. The present study aimed to identify significant signaling pathways associated with CSVD based on differential pathway network analysis. Combining CSVD microarray data with human protein-protein interaction data and data from the Reactome pathway database, pathway interactions were constructed using the Spearman's correlation coefficient strategy...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29061396/increased-level-of-procalcitonin-is-associated-with-total-mri-burden-of-cerebral-small-vessel-disease-in-patients-with-ischemic-stroke
#4
Guangzong Li, Chen Zhu, Jing Li, Xiangming Wang, Qingbin Zhang, Hongjia Zheng, Cheng Zhan
BACKGROUND: Procalcitonin (PCT) has been found to be associated with subclinical cerebrovascular damage. The relationship between PCT levels and cerebral small vessel disease (cSVD), especially cSVD burden, has not been fully understood. This study aimed to investigate the association between PCT levels and cSVD in patients with first-ever acute ischemic stroke or transient ischemic attack (TIA). METHODS: Two hundred and seventy-eight consecutive patients were prospectively recruited during Jan 2016 to Jun 2017...
October 20, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/29046363/serum-neurofilament-light-is-sensitive-to-active-cerebral-small-vessel-disease
#5
Thomas Gattringer, Daniela Pinter, Christian Enzinger, Thomas Seifert-Held, Markus Kneihsl, Simon Fandler, Alexander Pichler, Christian Barro, Svenya Gröbke, Margarete Voortman, Lukas Pirpamer, Edith Hofer, Stefan Ropele, Reinhold Schmidt, Jens Kuhle, Franz Fazekas, Michael Khalil
OBJECTIVE: To explore whether serum neurofilament light chain protein (NfL) levels are increased in patients with MRI-confirmed recent small subcortical infarcts (RSSI) compared to healthy controls and to determine the subsequent course and determinants of NfL levels in a longitudinal manner. METHODS: In a prospectively collected group of symptomatic patients with an RSSI (n = 79, mean age 61 ± 11 years, 67% male), we analyzed brain MRI and serum NfL using a Single Molecule Array (Simoa) assay at baseline and at 3 and 15 months after stroke...
October 18, 2017: Neurology
https://www.readbyqxmd.com/read/29042572/diagonal-earlobe-crease-is-a-visible-sign-for-cerebral-small-vessel-disease-and-amyloid-%C3%AE
#6
Jin San Lee, Seongbeom Park, Hee Jin Kim, Yeshin Kim, Hyemin Jang, Ko Woon Kim, Hak Young Rhee, Sung Sang Yoon, Kyoung Jin Hwang, Key-Chung Park, Seung Hwan Moon, Sung Tae Kim, Samuel N Lockhart, Duk L Na, Sang Won Seo
We investigated the frequency and clinical significance of diagonal earlobe crease (DELC) in cognitively impaired patients using imaging biomarkers, such as white matter hyperintensities (WMH) on MRI and amyloid-β (Aβ) PET. A total of 471 cognitively impaired patients and 243 cognitively normal (CN) individuals were included in this study. Compared with CN individuals, cognitively impaired patients had a greater frequency of DELC (OR 1.6, 95% CI 1.1-2.2, P = 0.007). This relationship was more prominent in patients with dementia (OR 1...
October 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29021757/cerebral-small-vessel-disease-burden-is-associated-with-motor-performance-of-lower-and-upper-extremities-in-community-dwelling-populations
#7
Ning Su, Fei-Fei Zhai, Li-Xin Zhou, Jun Ni, Ming Yao, Ming-Li Li, Zheng-Yu Jin, Gao-Lang Gong, Shu-Yang Zhang, Li-Ying Cui, Feng Tian, Yi-Cheng Zhu
Objective: To investigate the correlation between cerebral small vessel disease (CSVD) burden and motor performance of lower and upper extremities in community-dwelling populations. Methods: We performed a cross-sectional analysis on 770 participants enrolled in the Shunyi study, which is a population-based cohort study. CSVD burden, including white matter hyperintensities (WMH), lacunes, cerebral microbleeds (CMBs), perivascular spaces (PVS), and brain atrophy were measured using 3T magnetic resonance imaging...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28833868/the-use-of-visual-rating-scales-to-quantify-brain-mri-lesions-in-patients-with-hiv-infection
#8
Jessica Robinson-Papp, Allison Navis, Mandip S Dhamoon, Uraina S Clark, Jose Gutierrez-Contreras, Susan Morgello
BACKGROUND AND PURPOSE: Human immunodeficiency virus (HIV)-infected patients commonly have abnormalities in cerebral white matter that are visible on magnetic resonance imaging (MRI) as hyperintensities (WMHs). Visual rating scales (VRSs) have been used to quantify WMH in other diseases such as cerebral small vessel disease (CSVD), but not in HIV. Such scales are advantageous because they are applicable to routinely acquired MRIs and so are suitable for large-scale studies and clinical care...
August 21, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28828972/endothelium-and-oxidative-stress-the-pandora-s-box-of-cerebral-and-non-only-small-vessel-disease
#9
M Maccarrone, L Ulivi, N Giannini, V Montano, L Ghiadoni, R M Bruno, U Bonuccelli, M Mancuso
Common cerebral small vessel disease (cSVD) abnormalities are a common neuroradiological finding, especially in the elderly. They are associated with a wide clinical spectrum that leads to an increasing disability, impaired global function outcome and a reduced quality of life. A strong association is demonstrated with age and hypertension and other common vascular risk factors, including diabetes mellitus, dyslipoproteinemia, smoking, low vitamin B12 level, and hyperomocysteinemia. Although these epidemiological associations suggest a systemic involvement, etiopathogenetic mechanisms remain unclear...
2017: Current Molecular Medicine
https://www.readbyqxmd.com/read/28810566/correlation-analysis-between-the-ldl-c-in-serum-and-the-onset-of-transient-ischemic-attack-caused-by-csvd
#10
Yaqi Chen, Mei Hu, Hongying Gong
The aim of this study was to investigate the correlation between the low-density lipoprotein cholesterol (LDL-C) in serum and the onset of transient ischemic attack caused by cerebral small vascular disease (CSVD). Between September 2012 and September 2015, 249 patients who were diagnosed as CSVD were randomly enrolled in this study. According to MRI results, patients were divided into the patient and control groups. In the patient group, the patients were further subdivided into the white matter lesion (WML) group (n=86) and lacunar infarction (LI) group (n=53)...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28796818/hypercholesterolemia-induced-cerebral-small-vessel-disease
#11
Peter Kraft, Michael K Schuhmann, Cornelia Garz, Solveig Jandke, Daniela Urlaub, Stine Mencl, Alma Zernecke, Hans-Jochen Heinze, Roxana O Carare, Christoph Kleinschnitz, Stefanie Schreiber
BACKGROUND: While hypercholesterolemia plays a causative role for the development of ischemic stroke in large vessels, its significance for cerebral small vessel disease (CSVD) remains unclear. We thus aimed to understand the detailed relationship between hypercholesterolemia and CSVD using the well described Ldlr-/- mouse model. METHODS: We used Ldlr-/- mice (n = 16) and wild-type (WT) mice (n = 15) at the age of 6 and 12 months. Ldlr-/- mice develop high plasma cholesterol levels following a high fat diet...
2017: PloS One
https://www.readbyqxmd.com/read/28745791/the-correlation-between-cognitive-impairment-and-ambulatory-blood-pressure-in-patients-with-cerebral-small-vessel-disease
#12
X-F Li, L-M Cui, D-K Sun, H-T Wang, W-G Liu
OBJECTIVE: The present study was aimed to analyze the correlation between cognitive impairment and ambulatory blood pressure in patients with cerebral small vessel disease (CSVD). PATIENTS AND METHODS: 108 patients with CSVD received in our hospital were selected. Assessment of cognitive impairment was by the Montreal Cognitive Assessment (MoCA). 39 cases were established as the impairment group and 69 cases were established as the normal group. 24 h ambulatory blood pressure was monitored, and changes in ambulatory blood pressure parameters between the two groups were compared...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28574812/associations-between-apoe-genotype-and-cerebral-small-vessel-disease-a-longitudinal-study
#13
Xiao Luo, Yerfan Jiaerken, Xinfeng Yu, Peiyu Huang, Tiantian Qiu, Yunlu Jia, Kaicheng Li, Xiaojun Xu, Zhujing Shen, Xiaojun Guan, Jiong Zhou, Minming Zhang, For The Alzheimer's Disease Neuroimaging Initiative Adni
OBJECTIVE: It remains unclear if and how the interactions between APOE genotypes and cerebral small-vessel diseases (CSVD) lead to cognitive decline in the long term. Based on ADNI cohort, this longitudinal study aimed to clarify the potential relationship among APOE genotype, CSVD and cognition by integrating multi-level data. METHOD: There were 135 healthy elderly (including ε2, ε4 allele carriers and ε3 homozygotes) who had completed two years' follow-up. MRI markers of CSVD, including white matter hyperintensities (WMH), dilated perivascular space (dPVS), microbleeds and lacune, were assessed...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28543314/subclinical-hypothyroidism-and-risk-of-cerebral-small-vessel-disease-a-hospital-based-observational-study
#14
Xiaohao Zhang, Yi Xie, Caixia Ding, Jing Xiao, Yinyan Tang, Xuemei Jiang, Hua Shan, Yuankai Lin, Yujia Zhu, Chuanyou Li, Dan Hu, Zhixiang Ling, Gelin Xu, Lei Sheng
OBJECTIVE: Subclinical hypothyroidism (SCH) has been associated with atherosclerosis and increased risk of ischaemic stroke. However, whether SCH is associated with cerebral small vessel disease (cSVD) remains largely unexplored. This study aimed to investigate the relationship between SCH and total cSVD burden, a composite measurement detected with magnetic resonance imaging (MRI), in patients with minor ischaemic stroke or transient ischaemic attack (TIA). DESIGN: This was a prospective observational cohort study conducted in a tertiary referral hospital...
May 25, 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/28527099/molecular-diversity-among-viroids-infecting-chrysanthemum-in-india
#15
C R Adkar-Purushothama, G Chennappa, K Poornachandra Rao, M Y Sreenivasa, P K Maheshwar, M N Nagendra Prasad, T Sano
Association of Chrysanthemum stunt viroid (CSVd) and Chrysanthemum chlorotic mottle viroid (CChMVd) with the Chrysanthemum plants exhibiting severe stunting, distinct yellow leaf mottling, and chlorosis was detected in the main chrysanthemum-growing regions of India. Sequence analysis of 90 cDNA clones obtained for CSVd and CChMVd, representing the chrysanthemum-growing regions of India, revealed the high degree of sequence variation throughout the genome under natural conditions. Additionally, all the analyzed CChMVd clones revealed the presence of UUUC in the tetraloop, a signature of symptomatic variants in susceptible cultivars...
August 2017: Virus Genes
https://www.readbyqxmd.com/read/28475469/higher-ambulatory-systolic-blood-pressure-independently-associated-with-enlarged-perivascular-spaces-in-basal-ganglia
#16
Shuna Yang, Junliang Yuan, Xiaoyu Zhang, Huimin Fan, Yue Li, Jiangmei Yin, Wenli Hu
BACKGROUNDS: Enlarged perivascular spaces (EPVS) have been identified as a marker of cerebral small vessel diseases (CSVD). Ambulatory blood pressure (ABP) is the strongest predictor of hypertension-related brain damage. However, the relationship between ABP levels and EPVS is unclear. OBJECTIVES: This study aimed to investigate the association between ABP levels and EPVS by 24-hour ambulatory blood pressure monitoring (ABPM). METHODS: We prospectively recruited inpatients for physical examinations in our hospital from May 2013 to Jun 2016...
May 5, 2017: Neurological Research
https://www.readbyqxmd.com/read/28472611/coexisting-cortical-atrophy-plays-a-crucial-role-in-cognitive-impairment-in-moderate-to-severe-cerebral-small-vessel-disease-patients
#17
Jie Tang, Langfeng Shi, Qianhua Zhao, Miaoyi Zhang, Ding Ding, Bo Yu, Jianhui Fu
Whether white matter lesion (WML) is associated with vascular cognitive impairment in cerebral small vessel disease (CSVD) remains controversial; some severe CSVD patients retain normal cognitive function, and cortical thinning associated with WMLs has also been recently reported. The contribution of cortical atrophy to vascular cognitive impairment in severe CSVD and whether WML affects cortical atrophy remain unknown. From November 2012 to January 2015, 50- to 80-year-old patients with moderate to severe WMLs or more than four lacunar infarctions and cognitive complaints, excluding those with large vascular diseases diagnosed by transcranial cerebral Doppler, were recruited...
March 2017: Discovery Medicine
https://www.readbyqxmd.com/read/28436255/detection-and-characterization-of-small-infarcts-in-the-caudate-nucleus-on-7-tesla-mri-the-smart-mr-study
#18
Rashid Ghaznawi, Jeroen de Bresser, Yolanda van der Graaf, Maarten Ht Zwartbol, Theo D Witkamp, Mirjam I Geerlings, Jeroen Hendrikse
Small infarcts are among the key imaging features of cerebral small vessel disease (CSVD), but remain largely undetected on conventional MRI. We aimed to evaluate (1) imaging criteria for the detection of small infarcts in the caudate nucleus on 7T MRI, (2) intra- and inter-rater agreement, (3) frequency and (4) detection rate on 7T versus 1.5T MRI. In 90 patients (68 ± 8 years) with a history of vascular disease from the SMART-MR study, we defined 7T imaging criteria for cavitated and non-cavitated small infarcts in the caudate nucleus...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28406586/total-cerebral-small-vessel-disease-score-is-associated-with-mortality-during-follow-up-after-acute-ischemic-stroke
#19
Tae Jin Song, Jinkwon Kim, Dongbeom Song, Joonsang Yoo, Hye Sun Lee, Yong Jae Kim, Hyo Suk Nam, Ji Hoe Heo, Young Dae Kim
BACKGROUND AND PURPOSE: The recently developed total cerebral small-vessel disease (CSVD) score might appropriately reflect the total burden or severity of CSVD. We investigated whether the total CSVD score is associated with long-term outcomes during follow-up in patients with acute ischemic stroke. METHODS: In total, 1,096 consecutive patients with acute ischemic stroke who underwent brain magnetic resonance imaging were enrolled. We calculated the total CSVD score for each patient after determining the burden of cerebral microbleeds (CMBs), high-grade white-matter hyperintensities (HWHs), high-grade perivascular spaces (HPVSs), and asymptomatic lacunar infarctions (ALIs)...
April 2017: Journal of Clinical Neurology
https://www.readbyqxmd.com/read/28348005/vascular-basement-membrane-alterations-and-%C3%AE-amyloid-accumulations-in-an-animal-model-of-cerebral-small-vessel-disease
#20
Friederike Held, Alan W J Morris, Daniel Pirici, Solveig Niklass, Matthew M G Sharp, Cornelia Garz, Anne Assmann, Hans-Jochen Heinze, Frank Schreiber, Roxana Octavia Carare, Stefanie Schreiber
Non-amyloid cerebral small vessel disease (CSVD) and cerebral amyloid angiopathy (CAA) may be interrelated through the damaged basement membranes (BMs) and extracellular matrix changes of small vessels, resulting in a failure of β-amyloid (Aβ) transport and degradation. We analyzed BM changes and the pattern of deposition of Aβ in the walls of blood vessels in spontaneously hypertensive stroke-prone rats (SHRSP), a non-transgenic CSVD model. In 45 SHRSP and 38 Wistar rats aged 18 to 32 weeks: (i) the percentage area immunostained for vascular collagen IV and laminin was quantified; (ii) the capillary BM thickness as well as endothelial and pericyte pathological changes were analysed using transmission electron microscopy (TEM); and (iii) the presence of vascular Aβ was assessed...
May 1, 2017: Clinical Science (1979-)
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