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https://www.readbyqxmd.com/read/28810566/correlation-analysis-between-the-ldl-c-in-serum-and-the-onset-of-transient-ischemic-attack-caused-by-csvd
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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-)
https://www.readbyqxmd.com/read/28214547/cerebral-small-vessel-disease-predisposes-to-temporal-lobe-epilepsy-in-spontaneously-hypertensive-rats
#12
Emilio Russo, Antonio Leo, Francesca Scicchitano, Annalidia Donato, Edoardo Ferlazzo, Sara Gasparini, Vittoria Cianci, Chiara Mignogna, Giuseppe Donato, Rita Citraro, Umberto Aguglia, Giovambattista De Sarro
The link between cerebral small vessel disease (CSVD) and epilepsy has been poorly investigated. Some reports suggest that CSVD may predispose to temporal lobe epilepsy (TLE). Aim of this study was to evaluate whether spontaneously hypertensive rats (SHRs), an established model of systemic hypertension and CSVD, have a propensity to develop TLE more than generalized seizures. To this aim, amygdala kindling, as a model of TLE, and pentylenetetrazole (PTZ)-induced kindling, as a model of generalized seizures, have been used to ascertain whether SHRs are more prone to TLE as compared to Wistar Kyoto control rats...
February 15, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28180080/simultaneous-investigation-of-microvasculature-and-parenchyma-in-cerebral-small-vessel-disease-using-intravoxel-incoherent-motion-imaging
#13
Sau May Wong, C Eleana Zhang, Frank C G van Bussel, Julie Staals, Cécile R L P N Jeukens, Paul A M Hofman, Robert J van Oostenbrugge, Walter H Backes, Jacobus F A Jansen
INTRODUCTION: Cerebral small vessel disease (cSVD) is associated with microvascular and parenchymal alterations. Intravoxel incoherent motion (IVIM) MRI has been proposed to simultaneously measure both the microvascular perfusion and parenchymal diffusivity. This study aimed to evaluate the application of IVIM in cSVD to assess the microvasculature and parenchymal microstructure. METHODS: Seventy-three patients with cSVD (age 70 ± 11 y) and thirty-nine controls (age 69 ± 12 y) underwent IVIM imaging (3T)...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28176642/granulocyte-colony-stimulating-factor-attenuates-blood-brain-barrier-damage-and-improves-cognitive-function-in-spontaneously-hypertensive-rats
#14
Xin Wei, Yan Xu, Yanling Jin, Hongliang Feng, Shouquan Dong
Cerebral small vessel diseases (CSVDs) always coincide with endothelial dysfunction and blood-brain barrier (BBB) damage. Granulocyte-colony stimulating factor (G-CSF) can play a neuroprotective role in many neurological diseases. We investigated whether G-CSF exerts positive effects in spontaneously hypertensive rats (SHRs), a rat model of CSVD. Twenty-four-week-old SHRs, displaying the early histopathological changes of CSVD, received daily administrations of either G-CSF (50μg/kg) or saline for 7 days. The novel object recognition test was then conducted after treatment...
February 7, 2017: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/28149699/sequence-variability-of-chrysanthemum-stunt-viroid-in-different-chrysanthemum-cultivars
#15
Hoseong Choi, Yeonhwa Jo, Ju-Yeon Yoon, Seung-Kook Choi, Won Kyong Cho
Viroids are the smallest infectious agents, and their genomes consist of a short single strand of RNA that does not encode any protein. Chrysanthemum stunt viroid (CSVd), a member of the family Pospiviroidae, causes chrysanthemum stunt disease. Here, we report the genomic variations of CSVd to understand the sequence variability of CSVd in different chrysanthemum cultivars. We randomly sampled 36 different chrysanthemum cultivars and examined the infection of CSVd in each cultivar by reverse transcription polymerase chain reaction (RT-PCR)...
2017: PeerJ
https://www.readbyqxmd.com/read/28126975/-cerebral-autosomal-recessive-arteriopathy-with-subcortical-infarcts-and-leukoencephalopathy-carasil
#16
Masahiro Uemura, Hiroaki Nozaki, Osamu Onodera
Cerebral small vessel disease (CSVD) is frequently observed among the elderly and is known to cause dementia and gait disturbance associated with white matter lesions, lacunar infarcts, and cerebral hemorrhage. Molecular mechanistic studies promise to provide new insights into the pathogenesis of hereditary CSVD. Cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy (CARASIL) is one of the hereditary CSVDs caused by a mutation in the high-temperature requirement serine peptidase A1 (HTRA1) gene...
January 2017: Brain and Nerve, Shinkei Kenkyū No Shinpo
https://www.readbyqxmd.com/read/28112032/spermidine-preconditioning-ameliorates-laurate-induced-brain-injury-by-maintaining-mitochondrial-stability
#17
Yi Zhang, Jie Yin, Lang Zhang, Chu-Chu Qi, Ze-Lin Ma, Li-Ping Gao, De-Gui Wang, Yu-Hong Jing
Ischemic precondition plays a protective effect during cerebral ischemia. This effect partly depends on the autophagic activity. However, whether the activity of autophagy can exert the protective effects after cerebral ischemia is unclear. In this study, rats were treated with spermidine, an activator of autophagy, and injected with sodium laurate via the internal carotid artery to stimulate cerebral small vessel disease (CSVD). The effects of the spermidine precondition on brain injury were evaluated by behavioural test, histology assay, ultrastructure observation, and autophagic-related signals...
March 2017: Neurological Research
https://www.readbyqxmd.com/read/28095899/what-is-the-relationship-between-type-2-diabetes-mellitus-status-and-the-neuroradiological-correlates-of-cerebral-small-vessel-disease-in-adults-protocol-for-a-systematic-review
#18
Clark Funnell, Mary M Doyle-Waters, Samuel Yip, Thalia Field
BACKGROUND: Cerebral small vessel disease (CSVD) is a common cause of stroke, dementia, and functional decline. In recent years, neuroradiologic correlates of CSVD have been identified. These imaging findings, best characterized on magnetic resonance imaging (MRI), include some combination of white matter hyperintensities, lacunes, cerebral microbleeds, enlarged perivascular spaces, and cerebral atrophy. Though some cohorts have reported that participants with type 2 diabetes mellitus (T2DM), an important risk factor for CSVD, may have a distinct neuroradiologic phenotype, this relationship is not well-characterized...
January 17, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28031395/blood-brain-barrier-leakage-is-more-widespread-in-patients-with-cerebral-small-vessel-disease
#19
C Eleana Zhang, Sau May Wong, Harm J van de Haar, Julie Staals, Jacobus F A Jansen, Cécile R L P N Jeukens, Paul A M Hofman, Robert J van Oostenbrugge, Walter H Backes
OBJECTIVE: As blood-brain barrier (BBB) dysfunction may occur in normal aging but may also play a pivotal role in the pathophysiology of cerebral small vessel disease (cSVD), we used dynamic contrast-enhanced (DCE)-MRI to quantify the rate and the spatial extent of BBB leakage in patients with cSVD and age- and sex-matched controls to discern cSVD-related BBB leakage from aging-related leakage. METHODS: We performed structural brain MRI and DCE-MRI in 80 patients with clinically overt cSVD and 40 age- and sex-matched controls...
January 31, 2017: Neurology
https://www.readbyqxmd.com/read/27933697/total-magnetic-resonance-imaging-burden-of-cerebral-small-vessel-disease-is-associated-with-post-stroke-depression-in-patients-with-acute-lacunar-stroke
#20
X Zhang, Y Tang, Y Xie, C Ding, J Xiao, X Jiang, H Shan, Y Lin, C Li, D Hu, T Li, L Sheng
BACKGROUND AND PURPOSE: Despite extensive studies on post-stroke depression (PSD), the role of the total burden of cerebral small-vessel disease (cSVD) in its pathogenesis remains unclear. METHODS: We conducted a magnetic resonance imaging (MRI)-based cohort study to investigate the relationship between total MRI burden of cSVD and PSD among patients with first-ever lacunar stroke. From June 2013 to January 2016, 374 patients were consecutively recruited. PSD was identified using the Chinese version of the Structured Clinical Interview for DSM-IV...
February 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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