نتایج جستجو برای: myelin basic protein mbp
تعداد نتایج: 1492153 فیلتر نتایج به سال:
Age-related hearing loss (presbyacusis) is the most common type of hearing impairment. One of the most consistent pathological changes seen in presbyacusis is the loss of spiral ganglion neurons (SGNs). Defining the cellular and molecular basis of SGN degeneration in the human inner ear is critical to gaining a better understanding of the pathophysiology of presbyacusis. However, information on...
In search for the molecular mechanisms underlying the formation of the major dense line in peripheral nerve myelin we investigated mice deficient in the myelin proteins P0 and MBP. In mice lacking both molecules axons were enwrapped by myelin-like processes devoid of the major dense line, while mice deficient in either protein showed, respectively, partial and normal compaction. Mice heterozygo...
Myelin degeneration is one of the characteristics of aging and degenerative diseases. This study investigated age-related alterations in expression of myelin basic protein (MBP) in the hippocampal subregions (dentate gyrus, CA2/3 and CA1 areas) of gerbils of various ages; young (1 month), adult (6 months) and aged (24 months), using western blot and immunohistochemistry. Western blot results sh...
Anti-myelin basic protein (MBP) antibodies in pediatric-onset MS and controls were characterized. Serum samples were obtained from 94 children with MS and 106 controls. Paired CSF and serum were obtained from 25 children with MS at time of their initial episode of acute demyelinating syndrome (ADS). Complementary assays were applied across samples to evaluate the presence, and the physical bind...
We have demonstrated previously that chronic vitamin B12 [cobalamin (Cbl)] deficiency preferentially affects glial cells in the rat central nervous system (CNS) and severely affects peripheral glial cells independently of and concomitantly with the central neuropathy. In this study, we determined the mRNA levels for myelin basic protein (MBP) and glial fibrillary acidic protein (GFAP) in differ...
objective: hippocampal insults have been observed in multiple sclerosis (ms) patients. fibroblast growth factor-2 (fgf2) induces neurogenesis in the hippocampus and enhances the proliferation, migration and differentiation of oligodendrocyte progenitor cells (opcs). in the current study, we have investigated the effect of fgf2 on the processes of gliotoxin induced demyelination and subsequent r...
T cells with specificity for self-Ags are normally present in the peripheral blood, and, upon activation, may target tissue Ags and become involved in the pathogenesis of autoimmune processes. In multiple sclerosis, a demyelinating disease of the CNS, it is postulated that inflammatory damage is initiated by CD4+ T cells reactive to myelin Ags. To investigate the potential naive vs memory origi...
Altered axon-Schwann cell interactions in PNS myelin-deficient Trembler mice result in changed axonal transport rates, neurofilament and microtubule-associated protein phosphorylation, neurofilament density, and microtubule stability. To determine whether PNS and CNS myelination have equivalent effects on axons, neurofilaments, and microtubules in CNS, myelin-deficient shiverer axons were exami...
Pax3 RNA is expressed in neural crest when Schwann cell (SC) precursors migrate to the PNS. Pax3 RNA and SC markers were monitored in sciatic nerves of mice during development and nerve repair. An inverse correlation was observed between expression of Pax3 RNA and myelin basic protein (MBP). Inverse correlation was also observed in SC primary cultures. Treating cultures with forskolin, an adeny...
Shiverer (shi) is an autosomal recessive mutation in mice that results in hypomyelination in the central nervous system (CNS) but normal myelination in the peripheral nervous system (PNS). Myelin basic proteins (MBPs) are virtually absent in both PNS and CNS. It is not known whether the cellular target in the PNS is the myelin-forming Schwann cell or another cell type which secondarily affects ...
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