Results 351 to 360 of about 431,675 (382)
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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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Current Opinion in Neurobiology, 1998
For more than a century, neuroscientists have gained insight into brain function by examining its complex patterns of connectivity. To achieve this, a wide variety of axon-tracing techniques have been employed to chart the projections of neurons. New, experimentally flexible, reporter-based tracers, many of which are fusion proteins designed to target ...
C A, Callahan, S, Yoshikawa, J B, Thomas
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For more than a century, neuroscientists have gained insight into brain function by examining its complex patterns of connectivity. To achieve this, a wide variety of axon-tracing techniques have been employed to chart the projections of neurons. New, experimentally flexible, reporter-based tracers, many of which are fusion proteins designed to target ...
C A, Callahan, S, Yoshikawa, J B, Thomas
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Axonal transport in the asymmetric optic axons of flatfish
Experimental Neurology, 1974Abstract Axonal transport of protein was studied in the asymmetric optic axons of adult flounders, Pseudopleuronectes americanus . In these animals, the right optic nerve averaged 36% longer than the left optic nerve. There was no significant difference between the two sides in optic tract length or retinal ganglion cell body size.
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2013
The Neuroaxonal Dystrophies (NADs) are a group of clinically and genetically heterogeneous neurodegenerative conditions. These disorders show the unique pathological feature of neuroaxonal dystrophy (NAD): axonal swelling (spheroids) localized throughout the central nervous and peripheral nervous systems.
Giovanna Zorzi, Nardo Nardocci
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The Neuroaxonal Dystrophies (NADs) are a group of clinically and genetically heterogeneous neurodegenerative conditions. These disorders show the unique pathological feature of neuroaxonal dystrophy (NAD): axonal swelling (spheroids) localized throughout the central nervous and peripheral nervous systems.
Giovanna Zorzi, Nardo Nardocci
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Cell and Tissue Research, 1997
The segmental arrangement of spinal nerves in higher vertebrate embryos provides a simple system in which to study the factors that influence axon pathfinding. Developing motor and sensory axons are intimately associated with surrounding tissues that direct axon guidance. We argue that two distinct guidance mechanisms, viz.
Roger J. Keynes +2 more
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The segmental arrangement of spinal nerves in higher vertebrate embryos provides a simple system in which to study the factors that influence axon pathfinding. Developing motor and sensory axons are intimately associated with surrounding tissues that direct axon guidance. We argue that two distinct guidance mechanisms, viz.
Roger J. Keynes +2 more
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1991
The sum total of the length of all the nerve cell processes (dendrites and axons) in a given volume of brain substance provides, in a sense, a measure of the information-handling capacity of the nerve tissue. From a different point of view, we may take it as indicating the complexity of the neural operations performed there.
Almut Schüz, Valentino Braitenberg
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The sum total of the length of all the nerve cell processes (dendrites and axons) in a given volume of brain substance provides, in a sense, a measure of the information-handling capacity of the nerve tissue. From a different point of view, we may take it as indicating the complexity of the neural operations performed there.
Almut Schüz, Valentino Braitenberg
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Axonal transport in the central axon of sensory neurons during regeneration of their peripheral axon
Neuroscience Letters, 1981Following sciatic nerve injury (which provokes prompt regeneration of peripheral sensory axons) there was no change in the ratio between amounts of labeled protein conveyed by fast axonal transport into the central and peripheral axons. A change in composition of the transported protein, characteristic of regenerating peripheral axons, also occurred in
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Netrins are diffusible chemotropic factors for commissural axons in the embryonic spinal cord
Cell, 1994T. Kennedy +3 more
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