alzheimer disease

..expression of dementing disorders compared to normal healthy aging and nondemented persons with preclinical Alzheimer disease (preclinical AD) brain lesions...

..of Drosophila in flies mutant for the ortholog of a gene directly implicated in human diseases including Alzheimer Disease and ALS...

Summary of work: Several cellular markers of oxidative stress are elevated in cells and tissue samples from Alzheimer disease (AD) patients as compared to normal age-matched controls...

..It has been calculated that if the progression of Alzheimer disease could be delayed even by a few years the repercussions both at economic and psychological level will be ..

..The long-term goal of this project is to elucidate the mechanisms by which statins modify the risk of Alzheimer disease (AD)...

..Public Health Relevance: This Public Health Relevance is not available...

..applicant): The central hypothesis of this proposal is unusual: Bladder voiding dysfunction associates with Alzheimer disease (AD) and dementia. Animal models of AD voiding problems have not been studied...

..with variable degrees of cognitive impairment attributed to subcortical ischemic vascular dementia (SIVD) or Alzheimer disease (AD)...

..epidemiological and genetic studies that risk factors for vascular disease also enhance risk of Alzheimer disease (AD)...

Misfolded, hyperphosphorylated tau is the major constituent of neurofibrillary tangles in Alzheimer disease, as well as the inclusions in Pick disease and progressive supranuclear palsy...

..ApoE exists in three major isoforms. One of these isoforms, ApoE4 is genetically associated with late-onset Alzheimer disease. The biochemical basis by which ApoE4 predisposes its carriers to late-onset Alzheimer disease is poorly ..

DESCRIPTION (provided by applicant): Alzheimer disease (AD) is the most common form of dementia in the elderly. Overwhelming evidence demonstrates that the etiology of AD is a complex web of genetic and environmental factors...

DESCRIPTION (provided by applicant): Alzheimer disease (AD) is the most common form of dementia in the elderly. Overwhelming evidence demonstrates that the etiology of AD is a complex web of genetic and environmental factors...

..The addition of comorbid physical illness to the analysis did not reduce the association between age and depressive symptoms, indicating that part of the association was not substantially accounted for by physical health...

The majority of early-onset familial Alzheimer disease (AD) cases are caused by mutations in the highly related genes presenilin-1 (PS1) and presenilin-2 (PS1) and presinilin-2 (PS2) which encode what are predicted to be integral ..

..Abstract): The Indianapolis-Ibadan Dementia Project has now demonstrated that incidence rates for Alzheimer disease (AD) and dementia are significantly lower in Yoruba than in African Americans...

..This work continues our dual-site study with the Alzheimer Disease Centers of Boston and Cleveland...

..relationships are poorly understood because past definitions of vascular dementia evolved from those for Alzheimer disease. The term vascular cognitive impairment has evolved to cover the wide range of effects of vascular disease ..

..on the tolerability, safety, and efficacy of a high potency combinatorial supplement in the treatment of Alzheimer disease (AD) in Down syndrome (DS)...

..This work continues our dual-site study with the Alzheimer Disease Centers of Boston and Cleveland...

..mouse lines as in vivo paradigms for the development of possible therapeutic intervention strategies, targeting the tPA/plasmin cascade, against AD progression Public Health Relevance: This Public Health Relevance is not available...

..These experiments will take advantage of transgenic and knockout mouse lines as in vivo paradigms for the development of possible therapeutic intervention strategies, targeting the tPA/plasmin cascade, against AD progression..

..been implicated in numerous pathologies such as cancer and various neurodegenerative conditions including Alzheimers disease (AD)...

..been implicated in numerous pathologies such as cancer and various neurodegenerative conditions including Alzheimers disease (AD)...

..We would be able to extend these approaches also to other neurodegenerations such as Alzheimer disease and Motor Neuron disease...

..not only in myasthenias but, also, in cardiovascular diseases and neurodegenerative disorders such as Alzheimer disease. Furthermore, AChRs are also expressed in the airways, keratinocytes, lymphocytes, and endothelial cells ..

..In order to address the lack of empirical data in this area, the Indiana Alzheimer Disease Center Education Core at Indiana University School of Medicine and the Association for Frontotemporal ..

..studies to identify mechanisms leading to abnormal brain development, accelerated aging, and early onset of Alzheimer disease in people with Down syndrome (DS)...

..are emerging to support the idea that factors and processes characteristic of angiogenesis are found in the Alzheimer disease (AD) brain...

..studies to identify mechanisms leading to abnormal brain development, accelerated aging, and early onset of Alzheimer disease in people with Down syndrome (DS)...

..We will train visiting faculty researchers, post-doctoral fellows, and graduate students in the applications of infrared spectroscopies to biological questions. Public Health Relevance: This Public Health Relevance is not available...

..We will train visiting faculty researchers, post-doctoral fellows, and graduate students in the applications of infrared spectroscopies to biological questions...

..hyperphosphorylated tau protein and, based on this knowledge, identify specific therapeutic targets for Alzheimer disease (AD), Down syndrome and other tauopathies which are characterized by this brain lesion...

..hyperphosphorylated tau protein and, based on this knowledge, identify specific therapeutic targets for Alzheimer disease (AD), Down syndrome and other tauopathies which are characterized by this brain lesion...

..Project 3, entitled "Role of CK1 in Alzheimer Disease Etiology" will evaluate the role of the protein kinase, CK1, in aAPP processing, and identify the targets ..

..This new information will aid in laying the foundation for designing rational therapeutic approaches to ameliorate brain oxidative damage in Alzheimer's disease...

..are emerging to support the idea that factors and processes characteristic of angiogenesis are found in the Alzheimer disease (AD) brain...

..associated with a number of neurological diseases, including amyotrophic lateral sclerosis (ALS 1), familial Alzheimer disease (FAD), and Down syndrome (DS)...

DESCRIPTION (provided by applicant): Alzheimer disease (AD) continues to be the most serious health problem faced by aging persons with Down syndrome. AD is also a major public health concern in the aging general population...

..disorders, particularly those that affect cortico-basal ganglia circuits, such as Huntingtons, Parkinsons, Alzheimers disease, obsessive-compulsive disorder and so on, have in common a range of deficits in planning and other executive ..

DESCRIPTION (provided by applicant): Alzheimer disease (AD) continues to be the most serious health problem faced by aging persons with Down syndrome. AD is also a major public health concern in the aging general population...

..play an important role in age-related cognitive decline, neuronal plasticity, as well as the pathogenesis of Alzheimer disease (AD)...

..impairment (MCI), and age-matched cognitively normal controls, 30 per group, from the Johns Hopkins Alzheimer Disease Research Center (JHADRC)...

..impairment (MCI), and age-matched cognitively normal controls, 30 per group, from the Johns Hopkins Alzheimer Disease Research Center (JHADRC)...

..in academia and in pharmaceutical industry, drugs based on the recent progress in our understanding for Alzheimer disease are still not available for clinical use...

..a sample of subjects at high risk for dementia (Adult Children Study) ages 45-74 to explore antecendents of Alzheimer disease in Project 2 (Novel Biomarkers to Predict Alzheimer's disease), Project 3 (Attention Profiles in Healthy ..

There are 3 major forms of degenerative dementia; Alzheimer disease (AD), Dementia with Lewy bodies (DLB), and Frontotemporal Dementias (FTD)...

..We will then determine whether incorporating these clinical features into our prediction algorithms increases their accuracy...

..have been neuropathologically characterized to be free of any confounding neuropathological lesions, and 15 Alzheimer disease cases for comparative purposes...

..PDD and DLB are the most common causes of dementia after Alzheimer disease (AD)...

..This work will be pursued collaboratively with our Alzheimer Disease Research Center...

..Putative risk alleles/haplotypes will be tested for a functional effect on Abeta levels in an in vitro model. Risk alleles will be characterized in several populations to determine their importance...

..will focus on two key brain regions suggested by recent studies to be vulnerable in people at risk for Alzheimer Disease (AD)-the mesial temporal lobe, and the posterior cingulate cortex (PC)...

..Putative risk alleles/haplotypes will be tested for a functional effect on Abeta levels in an in vitro model. Risk alleles will be characterized in several populations to determine their importance...

..will focus on two key brain regions suggested by recent studies to be vulnerable in people at risk for Alzheimer Disease (AD)-the mesial temporal lobe, and the posterior cingulate cortex (PC)...

..in cancer, as well as in the Notch signaling pathway, which plays critical roles in the genesis of Alzheimer disease. Thus, the proposed studies are fundamental for understanding the roles of REST and CoREST in nervous system ..

..This work will be pursued collaboratively with our Alzheimer Disease Research Center...

..of pharmaceutical drugs as cognition enhancers to treat neurodegenerative disease patients including Alzheimer disease, Parkinson's disease and others...

DESCRIPTION (provided by applicant): In the past, the field of Alzheimer disease (AD) genetics has benefited from the development of innovative paradigms that incorporate the latest genomic technologies combined with pristine patient ..

..All will be clinically evaluated and diagnosed by the University of Pittsburgh Alzheimer Disease Research Center and further evaluated with a neuropsychological battery through the P01 Clinical Core...

..studies have found evidence that many cardiovascular disease risk factors (CvRFs) are also risk factors for Alzheimer disease (AD)...

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..RESULTS: Although the majority of subjects progressed both clinically and pathologically to Alzheimer disease (AD), 10 (29%) of them developed non-AD primary pathologic abnormalities...

..Reduced brain insulin signaling and low CSF-to-plasma insulin ratios have been observed in patients with Alzheimer disease (AD)...

..These correlations suggest that the biomarkers are not independent when compared to the other AD markers. Longitudinal studies are necessary to interpret the correlations between biomarkers, imaging, and neuropsychological markers...

..This nuclear hypertrophy may represent an early neuronal reaction to Abeta or Tau, or a compensatory mechanism which forestalls the progression of AD and allows the brain to resist the development of dementia...

..By contrast, complement proteins were detected in the AD patients, whereas only trace amounts were found in the HPC patients, indicating the involvement of complement proteins in the later stage of AD dementia...

..This technique is potentially useful as a noninvasive method to determine regional cerebral patterns of amyloid plaques and tau neurofibrillary tangles...

..The levels of apoE in cerebrospinal fluid were also correlated to the levels of Tau and the possibility is discussed that the level of apoE in cerebrospinal fluid may be used as a marker of neurodegeneration...

..Unlike apoE3, the most common isoform, apoE4, is associated with increased risk of developing Alzheimer disease (AD) and other neurodegenerative disorders...

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..BACKGROUND: It is important to distinguish FTLD from other neurodegenerative diseases like Alzheimer disease (AD), but this may be difficult clinically because of atypical presentations...

..Studies to answer the question whether CapCAA represents an epiphenomenon or an indicator of a pathogenic association between tau cytopathology and Abeta deposition in capillaries are in progress...

..The combination of t-tau and Abeta1-42 is a robust and reliable assay that may be useful in discriminating cases at risk for AD such as ApoE epsilon4 allele carriers from nAD patients or from age-matched control subjects...

..2% and in 98.5% of autopsy-confirmed cases of typical (plaque and tangle) Alzheimer disease (AD). Spontaneous (non-traumatic) intracerebral hemorrhages (ICH) (excluding microbleeds) were seen in 5...

..Abeta40 plaques are rich in microglial cells and it is possible that p-tau pathology in AD is triggered by reaction of microglial cells to the presence of Abeta40 and not this peptide directly...

..The presence of apoE epsilon4 allele carries a higher risk for the development of AD. ApoE may also play an important role in the transformation of diffuse non-neuritic plaques to diffuse neuritic plaques...

..report the results of a phase IIa immunotherapy trial of AN1792(QS-21) in patients with mild to moderate Alzheimer disease (AD) that was interrupted because of meningoencephalitis in 6% of immunized patients...

..FDG imaging may be able to detect a stabilization of cerebral metabolism caused by therapy administered to patients with a clinical diagnosis of Alzheimer's disease...

..These observations suggest that neither memory decline nor Abeta deposition are part of normal ageing and likely represent preclinical AD. Further longitudinal observations are required to confirm this hypothesis...

..and load of neurofibrillary tangles (NFTs) and beta-amyloid senile plaques (APs) in the brains of living Alzheimer disease (AD) patients...

BACKGROUND: As a potential disease-modifying treatment for Alzheimer disease (AD), 3-amino-1-propanesulfonic acid (3APS) is a compound that binds to amyloid beta (Abeta), a toxic protein known to aggregate, leading to amyloid plaque ..

..These data support the concept of a neuronal origin of Abeta via drainage from interstitial fluid from the central nervous system along basement membranes to capillaries...

There is uncertainty regarding the association of cognitive decline in Alzheimer disease (AD) with classic histopathologic features- neurofibrillary tangles (NFTs) and "neuritic" amyloid plaques (NPs)...

..Our results establish that antibodies against beta-amyloid plaques can slow cognitive decline in patients with Alzheimer's disease...

..This pattern of synaptic remodeling mirrors our previous findings in transgenic animal models and is of major relevance to current transmitter-based therapeutics...

..01). The PIB retention in MCI converters was comparable to AD patients (p>0.01). Correlations were observed in the MCI patients between PIB retention and CSF Abeta(1-42), total Tau and episodic memory, respectively...

..In summary, this study shows that already in the clinically normal population Alzheimer-disease-related biological signs might be detectable...

BACKGROUND: Processes of Alzheimer disease (AD) likely begin years prior to the onset of cognitive impairment (latent AD), progress though a prodromal phase of mild cognitive impairment (MCI), and culminate in dementia...

..Reductions in microtubule-dependent transport may stimulate proteolytic processing of beta-amyloid precursor protein, resulting in the development of senile plaques and Alzheimer's disease...

..Because the fact that neuroinflammation accelerates progression of Alzheimer disease (AD) has been documented, we investigated whether PGD2 is also involved in the pathology of AD...

..In conclusion, clinical examinations of relatively young individuals carrying an AD mutation did not reveal any marked abnormalities before the clinical onset of dementia...

This study examined the possibility that in Alzheimer disease (AD) beta-amyloid precursor protein (betaAPP) mRNA is delivered to senile plaques (SPs) via dendritic processes...

..Our data suggest that a humoral immune response to Abeta in AD patients may promote neuronal degeneration, a process with important implications for the future of vaccine-based therapies for AD...

..CONCLUSIONS: Statins may modulate the phosphorylation of tau in humans and this effect may depend on the CNS availability of the statin. These results suggest another mechanism by which statins may act to reduce the risk of AD...

..0001). These results showing overlapping Abeta and tau pathology are consistent with a model in which both synaptic loss and dysfunction are linked to a synaptic amyloid cascade within the synaptic compartment...

..tests, the ApoE genotyping, and possible combinations of these methods to predict their progression to Alzheimer disease (AD)...

CONTEXT: Sex differences in risk of clinically diagnosed Alzheimer disease (AD) have been studied extensively, but little is known about the relation of the pathologic indices of AD to the clinical manifestations of the disease in men ..

..These results suggest that the causes of cognitive impairment in "pure" schizophrenia are different from those in Alzheimer's disease...

..There was poor discrimination between DAT and VAD...

..Pittsburgh Compound B ([11C]PiB) positron emission tomography (PET) findings in patients with and without Alzheimer disease lesions in frontal cortical biopsy specimens...

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..Together, these data provide further evidence that AD represents a neuro-endocrine disorder that resembles a unique form of diabetes mellitus (? Type 3) and progresses with severity of neurodegeneration...

..INTERPRETATION: (18)F-BAY94-9172 PET discriminates between AD and FTLD or healthy controls and might facilitate integration of Abeta imaging into clinical practice...

..CSF diagnostic markers will be especially important when drugs with potential effects on the progression of AD (e.g. gamma-secretase inhibitors) will reach the clinical phase...

..CONCLUSION: CSF biomarkers do aid the clinical diagnosis of AD. Increased levels of P-tau and T-tau are possible markers for severity and abundance of symptoms in AD. Low levels of Abeta42 may indicate a higher risk of early death in AD...

..CONCLUSION: Increasing P-tau levels during cognitive decline and conversion to dementia suggest that P-tau may be useful as a longitudinal marker of the neurodegenerative process...

..These biological markers are independent predictors of the presence of Alzheimer disease (AD), in addition to memory performance...

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..INTERPRETATION: These findings suggest that rate of brain volume loss is not determined by the amount of insoluble Abeta in the gray matter...

..01), and was independent of APOE genotype. Our results suggest that progressing AD pathology not only increases the severity of CAA, but also shifts its topographical distribution towards the occipital cortex...

b>Alzheimer disease is the most common dementia in older Americans, but its impact on blacks is not clearly understood...

Apolipoprotein E (apoE) and apoE-derived proteolytic fragments are present in amyloid deposits in Alzheimer disease (AD) and cerebral amyloid angiopathy (CAA)...

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..We propose that both CAA and peri-vascular accumulation of hyperphosphorylated tau may be a consequence of elevated levels of soluble A beta around cortical arteries and arterioles...

..We present this as evidence for the hypothesis that the accumulation or misfolding of this polyQ containing protein may be a contributing factor in Alzheimer's disease...

..brain beta-amyloid (Abeta) burden measured with [(11)C]Pittsburgh Compound B (PIB) PET in normal aging, Alzheimer disease (AD), and other dementias...

..8). INTERPRETATION: Concentrations of T-tau, P-tau181, and Abeta42 in CSF are strongly associated with future development of Alzheimer's disease in patients with MCI...

..370, p=0<0001). In conclusion, CSF NSE emerged as a specific indicator of AD and showed the same behaviour as the other accepted markers of AD, being correlated with both biomarkers...

..Program No. 80.9. 2005 Abstract Viewer/Itinerary Planner. Washington, DC: Society for Neuroscience. Online), we suggest that active Csp6 could be an early instigator of neuronal dysfunction...