aß monomer oligomer and fibril in alzheimer s disease
báo cáo hóa học: " Maximal COX-2 and ppRb expression in neurons occurs during early Braak stages prior to the maximal activation of astrocytes and microglia in Alzheimer''''s disease" pdf
... pathological disease state and investigated brain area, methods of analysis, as well as technical issues The data presented in this study are in agreement with the findings of Yermakova and O'Banion ... characteristics of the cases used in this study Shown are differences between groups of the cases used in this study [PMI post-mortem interval, SD standard deviation] Braak score for neurofibrillary ... Mueksch B, Boehringer M, Hull M: Interleukin-1beta induces cyclooxygenase-2 and prostaglandin E(2) synthesis in human neuroblastoma cells: involvement of p38 mitogenactivated protein kinase and...
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báo cáo hóa học: " Peripheral reductive capacity is associated with cognitive performance and survival in Alzheimer''''s disease" potx
... groups Similar results were obtained when the analysis was carried out using LSS scores as proxy of status (p < 0.025, lowest vs highest LSS scores) As shown in Figure 2, high serum AOC levels predicted ... clinical diagnosis of probable Alzheimer' s disease [10] All participants underwent a physical examination, blood tests and neuroimaging assessments They also underwent cognitive assessments using the ... MMSE scores Figure MMSE AOC Serum scoreslevels in participants grouped according to Serum AOC levels in participants grouped according to MMSE scores Square and circle symbols indicate controls...
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báo cáo hóa học: " The microglial NADPH oxidase complex as a source of oxidative stress in Alzheimer''''s disease" ppt
... global inhibition of src-family tyrosine kinases or inhibition of phosphatidylinositol-3 kinase (PI3K) attenuates ROS production These findings suggest that these kinases are involved in upstream signaling ... http://www.jneuroinflammation.com/content/3/1/30 kinases Lyn and Fyn as well as the tyrosine kinase Syk [30,32,52] Activation of these signaling cascades are linked to the synthesis and secretion of proinflammatory molecules and cytokines ... progressive pathophysiology associated with this disease The results summarized in this review suggest that ROS and iNOS released through NADPH-dependent mechanisms contribute to the extensive...
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Báo cáo khoa học: Levels of mTOR and its downstream targets 4E-BP1, eEF2, and eEF2 kinase in relationships with tau in Alzheimer’s disease brain doc
... proteins with either polyglutamine or polyalanine expansions in Huntington disease, Huntington related diseases, and various forms of a-synuclein associated with Parkinson disease and synucleinopathies ... Foundation, SADF (Insamlingsstiftelsen for ¨ Alzheimer- och Demensforskning), Socialstyrelsens Stiftelser, Stiftelsen for Alderssjukdomar, and Svenska ¨ ˚ Lakaresallskapet ¨ ¨ FEBS Journal 272 ... its N-terminus (Thr56) that subsequently blocks eEF2 binding to ribosomes, resulting in decreased rates of protein synthesis Dephosphorylation of eEF2 relieves its translational restriction and...
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Tài liệu Báo cáo khoa học: Animal models of amyloid-b-related pathologies in Alzheimer’s disease docx
... of CAA in leptomeningeal and cortical vessels with few diffuse plaques, severe loss of SMCs, weakening of vessel walls leading to hemorrhage and perivascular microgliosis and astrocytosis The ... aggregation in sporadic AD brain There is now a renewed interest in studying APP processing in sporadic AD brain, and in understanding the mechanisms of Ab truncation and modification Most transgenic ... pathogenesis Therapeutic studies in AD models Access to good animal models is crucial to success in developing disease- modifying therapeutics However, AD neuropathology is incomplete in the Ab-expressing...
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báo cáo hóa học: " Using animal models to determine the significance of complement activation in Alzheimer''''s disease" pptx
... findings to the human disorders, distinct differences remain These models may be appropriate for studying some aspects of a disease process, while less suitable for others To determine the significance ... The PS/APP mouse carries both of these transgenes and has been extensively used as a model for studying processes relating to the formation of SPs Aβ deposition occurs more rapidly in these mice ... Landreth GE: Inflammation, apoptosis, and Alzheimer' s disease Neuroscientist 2002, 8:276-283 Gupta A, Pansari K: Inflammation and Alzheimer' s disease Int J Clin Pract 2003, 57:36-39 Hoozemans...
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báo cáo hóa học: " Neuroinflammation in Alzheimer’s disease wanes with age" pdf
... axis, in arbitrary units) for controls (open dots) and AD patients (closed dots) Straight lines represent regression lines, with corresponding 95% confidence intervals microglia in young AD cases ... cases Page of Discussion In this study, we compared the age-dependent presence of microglia and astrocytes, which is indicative of a neuroinflammatory response, in controls and AD cases We show ... microglia is already increased in early pathological stages of AD and in cognitively normal subjects with frequent presence of plaques and tangles [3,4] Clinical studies using positron emission tomography...
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Báo cáo y học: "Fish-on-a-chip: a sensitive detection microfluidic system for alzheimer’s disease" pdf
... This detection system would be possible at any stage of the disease Genetic analysis is the most effective method for biological analysis and disease diagnosis using tissue, body fluids, and ... In this research, chromosome 21 aneuploidy in lymphocytes and fibroblasts cells of AD patients was observed using FISH techniques [43-45] In this study, three kinds of DNA probes were used, including ... analysis and early stage analysis of diseases This single chip will be useful for multiple analyses of DNA hybridization, protein analysis, and other quantitative-based analysis As revealed by FISH,...
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báo cáo hóa học: " Novel Aβ peptide immunogens modulate plaque pathology and inflammation in a murine model of Alzheimer''''s disease" potx
... analysis, data analysis and presentation and assisted with perfusions and animal care; OY performed immunohistochemistry and image analysis; DC assisted with the design of the study and manuscript ... memory loss in a mouse transgenic model of Alzheimer' s disease J Neurosci 2002, 22:6331-6335 Selkoe DJ, Schenk D: Alzheimer' s disease: molecular understanding predicts amyloid-based therapeutics Annu ... facilitate separation of touching and overlapping deposits In this manner large deposits that form contiguous bands of Aβ were separated into individual objects Because Aβ deposits in these animals can...
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báo cáo hóa học: " ELISA measurement of specific non-antigenbound antibodies to Ab1-42 monomer and soluble oligomers in sera from Alzheimer’s disease, mild cognitively impaired, and noncognitively impaired subjects" pptx
... differences, and the small sample sizes used in some studies In previous ELISA studies comparing these antibodies in AD subjects vs normal controls, only Moir et al [3], Gruden et al [14,15], and Nath ... immunosorbent assay for measuring betaamyloid protein oligomers in human plasma and brain tissue of patients with Alzheimer disease Arch Neurol 2009, 66:190-199 41 Sehlin D, S llvander S, Paulie S, ... with this approach Methods Serum samples Serum samples were obtained from the Rush Alzheimer s Disease Center (Chicago, IL) from individuals whose diagnosis on the basis of post-mortem clinical...
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Tài liệu Bike Lanes, On-Street Parking and Business: A Study of Bloor Street in Toronto’s Annex Neighbourhood docx
... think drive to visit their business; and their opinions on the business impacts of losing one lane Bike Lanes, On-Street Parking and Business of on‐street parking in order to install a bike lane or widen the sidewalk. Merchants were asked ... customers drive to their business. In fact, only 4% of businesses believe that more than 50% of their customers drive to their business, and almost three‐quarters of businesses believe that less than 25% of customers drive to their business. Therefore, according to most merchants (71%), ... time and commercial deliveries that do not pay for parking Bike Lanes, On-Street Parking and Business 14 FINDINGS 4.1 MERCHANT S PERCEIVED CUSTOMER TRAVEL HABITS Bloor Annex is a very busy commercial corridor, with 55% of businesses serving more than 100 ...
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Tài liệu Báo cáo khoa học: A facile method for expression and purification of the Alzheimer’s disease-associated amyloid b-peptide pdf
... gels (A,C) and 1% agarose gels (B,D), and proteins were visualized by Coomassie stain Lanes HS and LS are molecular mass standards, with the molecular mass in kDa given on the left (E) 1% agarose ... amino acid analysis and sequencing Amino acid analysis was performed at the Amino Acid Analysis Center, University of Uppsala, Sweden Sequence analysis was performed using an Applied Biosystems ... Procise 492 cLC sequenator (Applied Biosystems, Framingham, MA, USA) employing standard Edman chemistry, and MS analysis was undertaken using an LCQDECA LC ⁄ MS system (ThermoFinnigan, San Jose,...
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Memory performance in healthy elderly without Alzheimer’s disease: effects of time and apolipoprotein-E pptx
... neurological, psychiatric and neuropsychological assessments were reviewed in a consensus conference comprised of neurologists, psychiatrists, and neuropsychologists Based on this review all participants ... cognitive skills remained stable Increased age was associated with lower scores in all cognitive domains while increased education was associated with higher scores APOE-4 was not associated with ... education, and ethnic background were included as covariates in subsequent analyses The GEE analyses yields beta values which represent associations between a factor score and variables included in the...
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PET in the Evaluation of Alzheimer’s Disease and Related Disorders docx
... cognitive functioning Cognitive screening includes using validated screening instruments, such as the MMSE, and brief bedside assessments Cognitive screenings are usually sensitive to significant cognitive ... deficits are prominent and become more severe and global as AD progresses Behavioral and personality changes, including agitation, aggression, and psychosis, often emerge as the disease progresses ... parkinsonism in DLB differs from Parkinson s disease by being more often symmetric, with less pronounced tremor (if any) Hallucinations are also more prominent in Parkinson s disease than in DLB...
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Báo cáo khoa học: Implication of calpain in neuronal apoptosis A possible regulation of Alzheimer’s disease doc
... Cross-talk between calpains and caspases The striking similarity between the substrates for caspases and calpains raises the possibility that both protease families contribute to structural dysregulation ... isoforms, whereas MAP1A and MAP1B sequential proteolysis results from caspase and calpain activation This work confirms the cross-talk between caspase and calpain and identifies a novel mechanism associated ... effective candidate, cathepsins, which are implicated in neuronal cell death He suggested a possible cascade of events involving three protease systems: calpain-induced cathepsin release, cathepsin-mediated...
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Báo cáo sinh học: "The immunological potency and therapeutic potential of a prototype dual vaccine against influenza and Alzheimer’s disease" pdf
... antibodies Generated chimeric viruses were purified and the expression of inserted antigens was tested As shown in Figure 1B, coomassie staining of SDS-PAGE resolved purified viruses revealed ... protein assay (Bio-RAD, CA) and the purity of the samples was analyzed by SDS-PAGE (Bio-RAD, CA) The protein bands were visualized by coomassie blue staining Western Blotting and Dot Blot Assay ... performed in vitro assessment using HI [29] and neurotoxicity [24,32] assays routinely used in our laboratories These analyses showed that chimeric virus maintained the ability to induce the...
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báo cáo hóa học: " Osteoarthritis accelerates and exacerbates Alzheimer’s disease pathology in mice" ppt
... Bonotis K, et al: Systemic immune aberrations in Alzheimer s disease patients J Immunol 2008, 193:183-187 Holmes C, et al: Systemic inflammation and disease progression in Alzheimer disease Neurol ... how is joint osteoarthritis linked to AD pathology? Numerous clinical and animal reports in the past showed an increase in circulating pro-inflammatory cytokines in the serum of patients and small ... Massive gliosis induced by interleukin-6 suppresses Aβ deposition in vivo: evidence against inflammation as a driving force for amyloid deposition FASEB 2004, 24:548-559 19 Shaftel SS, et al: Sustained...
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Báo cáo y học: "Identification and characterization of the carboxy-terminal region of Sip-1, a novel autoantigen in Behçet''''s disease" docx
... antibodies in patients and healthy subjects Anti-carsubjects boxy-terminal subunit of Sip1 (anti-Sip1 C-ter) antibodies in patients with Behçet 's disease (BD), systemic lupus erythematosus (SLE), systemic ... with distinct autoimmune diseases characterized by the presence of serum anti-endothelial cell antibodies such as BD, systemic lupus erythematosus (SLE), systemic sclerosis (SSc), various forms of ... vasculitis as well as in patients with diseases that share clinical features with BD, such as inflammatory bowel disease and uveitis Finally, we evaluated the correlation of serum antibodies specific...
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báo cáo khoa học: "Budd-Chiari syndrome in a 25-year-old woman with Behçet’s disease: a case report and review of the literature" pps
... ulceration, skin lesions and a positive skin pathergy test Evidence in countries where Behçet s disease is prevalent suggests that this disease should be included among the diagnostic possibilities in ... be associated with Behçet s disease In countries where the prevalence of Behçet s disease is high, such as Turkey and others in the Middle and Far East, evidence suggests that this disease should ... syndrome in patients with Behçet s disease being much greater and more serious in young men, we report a case of Budd-Chiari syndrome in a young woman in association with Behçet s disease It is possible...
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