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Amyloid-β amyloidogenesis is reported to occur via a nucleated polymerization mechanism. If this is true, the energetically unfavorable oligomeric nucleus should be very hard to detect. However, many laboratories have detected early nonfibrillar amyloid-β oligomers without observing amyloid fibrils, suggesting that a mechanistic revision may be needed. Here(More)
There is growing evidence that inflammatory processes of activated microglia could play an important role in the progression of nerve cell damage in neurodegenerative disorders such as Parkinson’s disease and Alzheimer’s disease which harbor features of chronic microglial activation, though the precise mechanism is unknown. In this study, we presented in(More)
It has been suggested that calcium binding proteins protect against Ca2+ overload, thus rendering neurons more resistant against excitotoxicity. The influence of kainic acid, which induces status epilepticus, on the expressions of calbindin D28k, parvalbumin and calretinin was examined in the rat striatum by immunohistochemistry and microdensitometry. At 1,(More)
Advances in high-throughput screening now enable the rapid discovery of bioactive small molecules, but these primary hits almost always exhibit modest potency. We report a strategy for the transformation of these hits into much more potent inhibitors without compound optimization. Appending a derivative of Ru(II)(tris-bipyridyl)(2+), an efficient(More)
— These days, there are many studies on cognitive architectures, which are developed based on human cognitive models. Some other studies are focused on applying these cognitive architectures to the autonomous task execution of humanoid robots. In this paper, we have shown that a real world robot, Mahru-Z can execute a task autonomously in the Blocks World(More)
BACKGROUND Plasma B-type natriuretic peptide (BNP) is used as a diagnostic marker of cardiovascular diseases. BNP is secreted mainly from the myocardium and has been detected by immunoreactivity in brain and cerebral arteries. The aim of our study was to investigate plasma BNP in patients with acute cerebral infarction according to infarction subtype and(More)
OBJECTIVE This study analyzed the relationship between prognosis and multiple clinical factors of ruptured middle cerebral artery (MCA) aneurysm with intracerebral hemorrhage (ICH), to aid in predicting the results of surgical treatment. METHODS Enrolled subjects were 41 patients with ruptured MCA aneurysm with ICH who were treated with surgical clipping.(More)
Aspergillus tracheobronchitis (AT), an unusual form of invasive pulmonary aspergillosis (IPA), is characterized by pseudomembrane formation, ulcer or obstruction that is predominantly confined to tracheobronchial tree. Hematologic malignancies, neutropenia, solid organ transplantation, chronic corticosteroid therapy and acquired immunodeficiency syndrome(More)