نتایج جستجو برای: app
تعداد نتایج: 23485 فیلتر نتایج به سال:
Amyloid precursor protein (APP) is a ubiquitously expressed type 1 integral membrane protein. It has the ability to bind numerous extracellular matrix components and propagate signaling responses via its cytoplasmic phospho-tyrosine, (682)YENPTY(687), binding motif. We recently demonstrated increased protein levels of APP, phosphorylated APP (Tyr682), and beta-amyloid (Abeta) in brain vasculatu...
We show that for determinictic polynomial time computation, oracle access to APP, the class of real functions approximable by probabilistic Turing machines, is the same as having oracle access to promise-BPP. First we construct a mapping that maps every function in APP to a promise problem in prBPP, and that maps complete functions to complete promise problems. Then we show an analogue result i...
Amyloid precursor protein (APP) generates the beta-amyloid peptide, postulated to participate in the neurotoxicity of Alzheimer's disease. We report that APP and APLP bind to heme oxygenase (HO), an enzyme whose product, bilirubin, is antioxidant and neuroprotective. The binding of APP inhibits HO activity, and APP with mutations linked to the familial Alzheimer's disease (FAD) provides substan...
FE65 binds to the Alzheimer amyloid precursor protein (APP), but the function of this interaction has not been identified. Here, we report that APP and FE65 are involved in regulation of cell movement. APP and FE65 colocalize with actin and Mena, an Abl-associated signaling protein thought to regulate actin dynamics, in lamellipodia. APP and FE65 specifically concentrate with beta 1-integrin in...
This paper aims to provoke innovative iPhone app ideas while discouraging those that are already flooding the Apple App Store. It also discusses methods for generating revenue and gaining app publicity. By taking a close look at the iPhone’s capabilities, and examining already-successful apps, we see how an app can be unique, intriguing, popular, or just downright useful. Furthermore, through m...
Increased generation of amyloid peptide (A ) derived from amyloid precursor protein (APP) is the primary pathological characteristic of Alzheimer’s disease (AD). However, the sub cellular compartment in which APP undergoes cleavage by secretases to generate A is not precisely known. Compelling evidences suggest that amyloidogenic processing of APP occurs in lipid rafts. An indirect support for ...
A critical role of the amyloid precursor protein (APP) in Alzheimer's disease (AD) pathogenesis has been well established. However, the physiological function of APP remains elusive and much debated. We reported previously that the APP family of proteins is essential in mediating the developing neuromuscular synapse. In the current study, we created a conditional allele of APP and deleted APP i...
Amyloid-beta peptide, which accumulates in senile plaques in Alzheimer's disease, is derived from the amyloid precursor protein (APP) by proteolytic processing. beta-secretase (Asp2), which cleaves APP at the N-terminus of amyloid-beta, has recently been identified to be the protease BACE. In the present study, we examined the subcellular localization of interactions between APP and BACE by usi...
Protein kinase C (PKC)-activated modulation of amyloid precursor protein (APP) metabolism has been investigated in natural models of altered APP expression due to the presence of one, two or three copies of the APP gene. We show that levels of APP present in human skin fibroblasts strongly influence the effect of PKC activation of soluble APP (sAPP) release. Thus fibroblasts derived from a pati...
The amyloid precursor protein (APP) is a receptor-like membrane protein. Although APP processing and β-amyloid production play a central role in Alzheimer's disease (AD) pathogenesis, the physiological function of APP remains elusive. Here, we identify APP as a novel receptor for Slit that mediates axon guidance and neural circuit formation. APP deficiency abolishes the Slit repulsive effect in...
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