نتایج جستجو برای: neural differentiation neurotrophin
تعداد نتایج: 518368 فیلتر نتایج به سال:
The subventricular zone (SVZ) of the anterolateral ventricle and the subgranular zone (SGZ) of the hippocampal dentate gyrus are the two main regions of the adult mammalian brain in which neurogenesis is maintained throughout life. Because alterations in adult neurogenesis appear to be a common hallmark of different neurodegenerative diseases, understanding the molecular mechanisms controlling ...
In this study, the behavior of neural stem cells from the newborn rat spinal cord was compared at neurosphere level after the addition of neurotrophin-3 (NT-3) once or daily, blank chitosan carriers, or NT-3-chitosan carriers respectively. We found that NT-3 enhanced the viability and differentiation of neural stem cells, but as NT-3 has an extremely short half-life at 37 degrees C, in order to...
The diffusible messenger NO plays multiple roles in neuroprotection, neurodegeneration, and brain plasticity. Argininosuccinate synthase (AS) is a ubiquitous enzyme in mammals and the key enzyme of the NO-citrulline cycle, because it provides the substrate L-arginine for subsequent NO synthesis by inducible, endothelial, and neuronal NO synthase (NOS). Here, we provide evidence for the particip...
The neurotrophins comprise a family of secreted proteins that elicit profound responses in cells of the developing and mature vertebrate nervous system including the regulation of neuronal survival and differentiation. The molecular mechanisms by which the neurotrophins exert their effects have been the subject of intense investigation. The neurotrophins elicit responses in neurons via members ...
BACKGROUND Adult stem cells (ASC) are undifferentiated cells found throughout the body. These cells are promising tools for cell replacement therapy in neurodegenerative disease. Adipose tissue is the most abundant and accessible source of ASC. This study was conducted to evaluate effect of selegiline on differentiation of adipose-derived stem cells (ADSC) into functional neuron-like cells (NLC...
Human embryonic stem (hES) cells have the potential to form various cell types, including neural cells for the treatment of diseases such as Parkinson's, spinal cord injury, and glaucoma. Here, we have investigated the neuronal differentiation of hES cells on three-dimensional scaffolds fabricated from degradable poly(alpha-hydroxy esters) including poly(lactic-co-glycolic acid) and poly(L-lact...
In the vertebrate eye, the retinal pigment epithelium (RPE) and the neural retina arise from a single layer of neuroectoderm. Factors influencing the differentiation of retinal neurons have been identified; however, little is known about molecules directing the differentiation of the RPE. Here we have found that the neurotrophin brain-derived neurotrophic factor (BDNF) plays an autocrine role i...
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Cockayne syndrome (CS) is a severe neurodevelopmental disorder characterized by growth abnormalities, premature aging, and photosensitivity. Mutation of Cockayne syndrome B (CSB) affects neuronal gene expression and differentiation, so we attempted to bypass its function by expressing downstream target genes. Intriguingly, ectopic expression of Synaptotagmin 9 (SYT9), a key component of the mac...
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