نتایج جستجو برای: bace1 protein
تعداد نتایج: 1235224 فیلتر نتایج به سال:
Coumarins, which have low toxicity, are present in some natural foods, and are used in various herbal remedies, have attracted interest in recent years because of their potential medicinal properties. In this study, we report the isolation of two natural coumarins, namely umbelliferone (1) and 6-formyl umbelliferone (2), from Angelica decursiva, and the synthesis of 8-formyl umbelliferone (3) f...
Taxifolin is a potent flavonoid that exerts anti-oxidative effect, and cilostazol increases intracellular cAMP levels by inhibiting phosphodiesterase 3 that shows antiinflammatory actions. BACE1 (β-site APP cleaving enzyme 1) is the rate-limiting enzyme responsible for the β-cleavage of amyloid precursor proteins to Aβ peptides. In this study, endogenous Aβ and C99 accumulation was explored in ...
BACKGROUND In diagnosing Alzheimer's disease (AD), ratios of cerebrospinal fluid (CSF) biomarkers, such as CSF Aβ1-42/tau, have an improved diagnostic performance compared to the single analytes, yet, still a limited value to predict cognitive decline. Since synaptic dysfunction/loss is closely linked to cognitive impairment, synaptic proteins are investigated as candidate CSF AD progression ma...
Alzheimer's and Parkinson's diseases are accelerated by a decline in neuronal homeostasis. In this issue of Cell Reports, Kang et al. [1] reports the post-transcriptional mechanisms that regulate the expression and processing of amyloid precursor protein (APP), a protein directly implicated in the pathogenesis of Alzheimer's disease (AD). Although much is known about APP processing and cleavage...
Hypoxia which is mainly mediated by hypoxia-inducible factor 1 (HIF-1), can greatly contribute to the occurrence of Alzheimer's disease (AD) by increasing beta-site APP cleaving enzyme (BACE1) gene expression, protein level and beta-secretase activity, resulting in a significant generation of amyloid-beta (Abeta). Salidroside has been reported to have great neuroprotective effects. The aim of t...
Alzheimer’s disease (AD) is a neurodegenerative disease characterized by senile plaques and neurofibrillary tangles. Senile plaques are deposits of amyloid ß-peptide (Aß) produced by the cleavage of a transmembrane protein termed Amyloid Precursor Protein (APP). The amyloidogenic cleavage of APP is performed by γ-secretase complex and ß-site APP cleaving enzyme 1 (BACE1), a key enzyme in AD tha...
The lipid second messenger ceramide regulates the rate of beta cleavage of the Alzheimer's disease APP (amyloid precursor protein) by affecting the molecular stability of the beta secretase BACE1 (beta-site APP cleaving enzyme 1). Such an event is stimulated in the brain by the normal process of aging, and is under the control of the general aging programme mediated by the insulin-like growth f...
Alzheimer's disease (AD), the most common form of dementia in the elderly, is characterized by two neuropathological hallmarks: senile plaques, which are composed of Aβ peptides, and neurofibrillary tangles, which are composed of hyperphosphorylated TAU protein. Diabetic patients with dysregulated insulin signalling are at increased risk of developing AD. Further, several animal models of diabe...
Previous studies have demonstrated that chronic brain hypoperfusion (CBH) causes Aβ aggregation by upregulating expression of amyloid precursor protein (APP) and β-site APP cleaving enzyme 1 (BACE1) protein, which is accompanied by cognitive impairment, but the mechanisms are not fully understood. In this study, we evaluated the effect of microRNA on memory impairment in rats induced by CBH. We...
Reticulon 3 (RTN3) has recently been shown to modulate Alzheimer BACE1 activity and to play a role in the formation of dystrophic neurites present in Alzheimer brains. Despite the functional importance of this protein in Alzheimer disease pathogenesis, the functional correlation to the structural domain of RTN3 remained unclear. RTN3 has two long transmembrane domains, but its membrane topology...
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