نتایج جستجو برای: neurofilament proteins
تعداد نتایج: 557488 فیلتر نتایج به سال:
background: endometriosis is a disease that is hard to diagnose without the gold standard method, laparoscopy. an easier diagnostic method is needed. objective: the aim of the study is to determine whether the number of macrophage cells in the endometrium and/or the detection of nerve fibers can be used in the diagnosis of endometriosis. materials and methods: endometrial sampling was done to 3...
Dephosphorylation of neurofilament proteins enhances their susceptibility to degradation by calpain.
The degradation of phosphorylated and dephosphorylated neurofilament proteins by the Ca2+-activated neutral proteinase calpain was studied. Neurofilaments were isolated from bovine spinal cord, dephosphorylated by alkaline phosphatase (from Escherichia coli) and radioiodinated with [125I]-Bolton-Hunter reagent. The radioiodinated neurofilament proteins (untreated and dephosphorylated) were incu...
PURPOSE Cytoskeleton proteins play a critical role in maintaining retinal ganglion cell structure, viability, and function. This study documents the distribution of cytoskeleton protein subunits in the various regions of the normal human optic nerve and identifies important relationships among mitochondria, myelin, and neurofilament proteins. METHODS Twenty-three optic nerves from human cadav...
Using squid axoplasm as a model system, we have visualized the fast transport of non-filamentous neurofilament protein particles along axonal microtubules. This transport occurs at speeds of 0.5-1.0 microm/second and the majority of neurofilament particles stain with kinesin antibody. These observations demonstrate, for the first time, that fast (0.5-1.0 microm/second) transport of neurofilamen...
The phosphorylation activity associated with a neurofilament-enriched cytoskeletal preparation isolated from the squid giant axon has been studied and compared to the phosphorylation activities in intact squid axoplasm. The high molecular weight (greater than 300 kDa) and 220-kDa neurofilament proteins are the major endogenous substrates for the kinases in the axoplasm and the neurofilament pre...
Changes in L-35S-methionine incorporation into cytoskeletal proteins of the facial nucleus of the rat were studied at various times after unilateral crush or resection of the facial nerve by using 2-dimensional gel electrophoresis and fluorography. We found an increase in labeling of actin and tubulin and a decrease in the 68 kDa and 150 kDa neurofilament polypeptides (200 kDa was not studied)....
Assessment of software nonfunctional properties (NFP) is an important problem in software development. In the context of model-driven development, an emerging approach for the analysis of different NFPs consists of the following steps: (a) to extend the software models with annotations describing the NFP of interest; (b) to transform automatically the annotated software model to the formalism c...
We study the BRST cohomology for SL(2, R)/U(1) coset model, which describes an exact string black hole solution. It is shown that the physical spectrum could contain not only the extra discrete states corresponding to those in c = 1 two-dimensional gravity but also many additional new states with ghost number NFP = −1 ∼ 2. We also discuss characters for nonunitary reps. and the relation of our ...
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