نتایج جستجو برای: wallerian degeneration
تعداد نتایج: 62133 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE In children with stroke, poor motor outcome is associated with early Wallerian degeneration of the corticospinal tract that is seen on diffusion-weighted MRI. In this study we test the hypothesis that early diffusion changes also occur in the corticospinal tract (CST) of adults after stroke and that these lesions are associated with poor outcome. METHODS In this retrosp...
The slow Wallerian degeneration protein (WldS), a fusion protein containing amino-terminal E4B and full-length nicotinamide mononucleotide adenylyltransferase 1 (Nmnat1), delays axon degeneration caused by physical damages, toxins and genetic mutations which result in patients being diagnosed with neurodegenerative diseases. It is still controversial whether the suppression of axonal degenerati...
The degeneration of axons is the underlying pathological process of several neurological disorders. The Wallerian degeneration (Wld(S)) slow protein, which is primarily nuclear, markedly inhibits axonal degeneration. Contradictory models have been proposed to explain its mechanism, including a role in the nucleus, where it affects gene transcription, and roles outside the nucleus, where it regu...
The localization of (3)H-labeled cholesterol in nerves undergoing degeneration and regeneration was studied by radioautography at the electron microscope level. Two types of experiments were carried out: (a) Cholesterol-1,2-(3)H was injected intraperitoneally into suckling mice. 5 wk later, Wallerian degeneration was induced in the middle branch of the sciatic nerve, carefully preserving the co...
Microstructural abnormalities in white matter (WM) are often reported in Alzheimer's disease (AD) and may reflect primary or secondary circuitry degeneration (i.e., due to cortical atrophy). The interpretation of diffusion tensor imaging (DTI) eigenvectors, known as multiple indices, may provide new insights into the main pathological models supporting primary or secondary patterns of WM disrup...
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