نتایج جستجو برای: ad 40
تعداد نتایج: 415783 فیلتر نتایج به سال:
Background and aim: Atopic dermatitis (AD) is a chronic disorder that is most common in early childhood. Both immunological and psychological factors are important in AD pathogenesis and should therefore be taken into account. The aim of this study was to compare behavioral characteristics of 30 infants (3-12 month-old) with AD with 40 controls.Materials and Methods: Th...
There is evidence in electroencephalography that alpha, theta and delta band oscillations reflect cognitive and memory performances and that quantitative techniques can improve the electroencephalogram (EEG) sensitivity. This paper presents the results of comparative analysis of qEEG variables as reliable markers for Alzheimer's disease (AD). We compared the sensitivity and specificity between ...
2012 ACKNOWLEDGMENTS I would like to thank all people which have made this work possible. I express my sincere gratitude to my supervisor, Professor Militon Frent¸iu, for his help during these years. I also thank Professor Horia F. Pop for research opportunities offered and valuable ideas. The passion for research, encouragements and many ideas came from my coleague Andreea Vescan to whom I am ...
BACKGROUND Cerebrospinal fluid (CSF) biomarkers have been used to increase the evidence of underlying Alzheimer's disease (AD) pathology in mild cognitive impairment (MCI). However, CSF biomarker-based classification often results in conflicting profiles with controversial prognostic value. Normalization of the CSF Aβ42 concentration to the level of total amyloid beta (Aβ), using the Aβ42/40 ra...
We monitor early stages of beta-amyloid (A? 1–40 ) aggregation, one the key processes leading to Alzheimer's disease (AD), in presence high glucose concentrations by measuring A? 1– 40 intrinsic fluorescence. The multiple peaks and their shifts observed time-resolved emission spectra (TRES) reveal impact glycation on oligomerisation. results show that formation advanced end products (AGEs) alte...
An economic model of the online advertising market is presented, focusing on the effect of ad fraud. In the model, the market is comprised of three classes of players: publishers, advertising networks, and advertisers. The central question is whether ad networks have an incentive to aggressively combat fraud. The main outcome of the model is to answer this question in the affirmative.
Background: Changes in β-amyloids (Aβ) and tau proteins have been noted in patients with Alzheimer's disease (AD) and patients with both Down syndrome (DS) and AD. However, reports of changes in the early stage of regression, such as behavioral and psychological symptoms of dementia (BPSD), in DS are sparse. Methods: Seventy-eight controls, 62 patients with AD, 35 with DS and 16 with DS with de...
Cerebrovascular pathology is common in Alzheimer's disease (AD) and is considered to contribute to cerebral malfunction. However, distinct antiangiogenic proteins that accumulate in AD brains have not yet been identified. Endostatin is a 20 kDa C-terminal fragment of collagen XVIII that, when added exogenously, inhibits endothelial proliferation and migration in vitro and angiogenesis and tumor...
Alzheimer’s Disease (AD) and Mild Cognitive Impairment (MCI) are debilitating diseases that affect millions of individuals have notoriously limited treatment options. One emerging therapy, non-invasive 40 Hz sensory therapy delivered through light sound has previously shown promise in improving cognition Alzheimer rodent models. Small studies humans proven safe tolerable, however exploration fe...
BACKGROUND Evidence suggests that the concordance between amyloid-PET and cerebrospinal fluid (CSF) amyloid-β (Aβ) increases when the CSF Aβ1-42/Aβ1-40 ratio is used as compared to CSF Aβ1-42 levels alone. OBJECTIVE In order to test this hypothesis, we set up a prospective longitudinal study comparing the concordance between different amyloid biomarkers for Alzheimer's disease (AD) in a clini...
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