Results 341 to 350 of about 304,829 (369)
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Experimental Neurology, 2001
Injury to axons in the CNS leads to little regenerative repair and loss of function. Conversely, injury to axons in the PNS results in vigorous regrowth of severed axons, usually with restoration of function. This difference is generally attributed to a CNS environment that either cannot support or actively inhibits regeneration and/or a failure of CNS
Farid A.K.M. Ahmed +2 more
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Injury to axons in the CNS leads to little regenerative repair and loss of function. Conversely, injury to axons in the PNS results in vigorous regrowth of severed axons, usually with restoration of function. This difference is generally attributed to a CNS environment that either cannot support or actively inhibits regeneration and/or a failure of CNS
Farid A.K.M. Ahmed +2 more
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Biological Reviews, 1996
Axons damaged in a peripheral nerve are often able to regenerate from the site of injury along the degenerate distal segment of the nerve to reform functional synapses. Schwann cells play a central role in this process. However, in the adult mammalian central nervous system, from which Schwann cells are absent, axonal regeneration does not progress to ...
J E, Brecknell, J W, Fawcett
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Axons damaged in a peripheral nerve are often able to regenerate from the site of injury along the degenerate distal segment of the nerve to reform functional synapses. Schwann cells play a central role in this process. However, in the adult mammalian central nervous system, from which Schwann cells are absent, axonal regeneration does not progress to ...
J E, Brecknell, J W, Fawcett
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Axonal oscillations in developing mammalian nerve axons
Physical Review E, 2005We study neuronal spike propagation in a developing myelinated axon in various stages of its development through detailed computational modeling. Recently, a form of bursting (axonal bursting), has been reported in axons in developing nerves in the absence of potassium channels.
Peter Jung, Shangyou Zeng
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Axon-to-axon transmission in tullidora (buckthorn) neuropathy
Experimental Neurology, 1984Oral administration of ether extracts of the tullidora ( Karwinskia humboldtiana ) fruit, which contains an identified neurotoxin, produced flaccid hind limb paralysis in cats after a latency of 4 to 7 weeks. Acute experiments were conducted after the paralysis was evident. Spinal roots of lumbar and sacral segments were transected as close as possible
Arturo Hernández-Cruz +1 more
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On the Universality of Axon P Systems
IEEE Transactions on Neural Networks and Learning Systems, 2015Axon P systems are computing models with a linear structure in the sense that all nodes (i.e., computing units) are arranged one by one along the axon.
Xingyi Zhang, L. Pan, A. Paun
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Science Signaling, 2023
Demyelination by microglia reduces the likelihood of axonal degeneration in a model of cytotoxic T cell–driven myelin perturbation.
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Demyelination by microglia reduces the likelihood of axonal degeneration in a model of cytotoxic T cell–driven myelin perturbation.
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Axonal degeneration and disorders of the axonal cytoskeleton
1995Abstract This chapter discusses cytoskeletal changes in axonal degeneration. It begins with a review of the organization of the normal axonal cytoskeleton, followed by a summary of the current understanding of Wallerian degeneration. It then considers the slowly evolving axonal degenerations in which alterations in neurofilament content ...
Edwin B. George +3 more
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Dynamic Condition of Protein in Axons and Axon Terminals
1971Radioautographic studies performed with labeled amino acids visualize the complexity of the dynamic state of protein in nerve endings. One protein fraction, at least, is replaced at a rate of 4% per day. On the one hand, the loss of used protein in presynaptic axon terminals seems to be balanced by the arrival of new migratory proteins, synthesized in ...
H. L. Koenig, B. Droz
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2016
Axonal transport is a constitutive process that supplies the axon and axon terminal with materials required to maintain their structure and function. Most materials are supplied via three rate components termed the fast component, slow component a, and slow component b. Each of these delivers a distinct set of materials with distinct transport kinetics.
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Axonal transport is a constitutive process that supplies the axon and axon terminal with materials required to maintain their structure and function. Most materials are supplied via three rate components termed the fast component, slow component a, and slow component b. Each of these delivers a distinct set of materials with distinct transport kinetics.
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2009
Axon pathfinding is an important process in the development of the nervous system. Models have been developed which describe or attempt to explain various aspects of axon pathfinding, such as axon extension, axon turning, axon guidance, interactions between axons, retinotectal mapping, and the way in which guidance cue patterns are generated in the ...
Mortimer, D., Goodhill, G. J.
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Axon pathfinding is an important process in the development of the nervous system. Models have been developed which describe or attempt to explain various aspects of axon pathfinding, such as axon extension, axon turning, axon guidance, interactions between axons, retinotectal mapping, and the way in which guidance cue patterns are generated in the ...
Mortimer, D., Goodhill, G. J.
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