Search Results - "Meyer, Ronald L."

Axonal Protein Synthesis and Degradation Are Necessary for Efficient Growth Cone Regeneration by Verma, Poonam, Chierzi, Sabrina, Codd, Amanda M, Campbell, Douglas S, Meyer, Ronald L, Holt, Christine E, Fawcett, James W

“…Axonal regeneration can occur within hours of injury, the first step being the formation of a new growth cone. For sensory and retinal axons, regenerative…”
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Neuronal growth cones respond to laser-induced axonal damage by Wu, Tao, Mohanty, Samarendra, Gomez-Godinez, Veronica, Shi, Linda Z., Liaw, Lih-Huei, Miotke, Jill, Meyer, Ronald L., Berns, Michael W.

“…Although it is well known that damage to neurons results in release of substances that inhibit axonal growth, release of chemical signals from damaged axons…”
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Abrogation of β-catenin signaling in oligodendrocyte precursor cells reduces glial scarring and promotes axon regeneration after CNS injury by Rodriguez, Justin P, Coulter, Michael, Miotke, Jill, Meyer, Ronald L, Takemaru, Ken-Ichi, Levine, Joel M

“…When the brain or spinal cord is injured, glial cells in the damaged area undergo complex morphological and physiological changes resulting in the formation of…”
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A photon-driven micromotor can direct nerve fibre growth by Wu, Tao, Nieminen, Timo A., Mohanty, Samarendra, Miotke, Jill, Meyer, Ronald L., Rubinsztein-Dunlop, Halina, Berns, Michael W.

“…Axonal path-finding is important in the development of the nervous system, nerve repair and nerve regeneration. The behaviour of the growth cone at the tip of…”
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Intraocular BDNF promotes ectopic branching, alters motility and stimulates abnormal collaterals in regenerating optic fibers by Dawson, Amy J, Miotke, Jill A, Meyer, Ronald L

“…Abstract A great deal of effort has been invested in using trophic factors and other bioactive molecules to promote cell survival and axonal regeneration in…”
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N-methyl-D-aspartate receptors strongly regulate postsynaptic activity levels during optic nerve regeneration by Kolls, Brad J., Meyer, Ronald L.

“…During development, neuronal activity is used as a cue to guide synaptic rearrangements to refine connections. Many studies, especially in the visual system,…”
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Rapid Homeostatic Plasticity in the Intact Adult Visual System by Riegle, Kenneth C, Meyer, Ronald L

“…Neurons may possess activity-dependent homeostatic mechanisms that permit them to globally alter synaptic strength as activity varies. We used the retinotectal…”
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Growth dynamics and morphology of regenerating optic fibers in tectum are altered by injury conditions: An in vivo imaging study in goldfish by Dawson, Amy J., Meyer, Ronald L.

“…The dynamic behavior of axons in systems that normally regenerate may provide clues for promoting regeneration in humans. When the optic nerve is severed in…”
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Axonal rearrangement without reexpression of a growth associated marker: evidence from the compression of the retinotectal system in adult goldfish by Si, Keyuan, Miotke, Jill A, Meyer, Ronald L, Wang, Ziren

“…Growing axons express a number of proteins associated with axonal growth which are thought to be critical for regeneration and sprouting. Whether these…”
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Roger Sperry and his chemoaffinity hypothesis by Meyer, Ronald L

“…In the early 1940s, Roger Sperry performed a series of insightful experiments on the visual system of lower vertebrates that led him to draw two important…”
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Large-scale synaptic errors during map formation by regenerating optic axons in the goldfish by Meyer, Ronald L., Kageyama, Glenn H.

“…During the formation of visual maps, growing axons initially form a map by using topographically distributed cues that direct their growth and branching to the…”
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Spontaneous Retinal Activity Is Tonic and Does Not Drive Tectal Activity during Activity-Dependent Refinement in Regeneration by Kolls, Bradley J, Meyer, Ronald L

“…During development, waves of activity periodically spread across retina to produce correlated activity that is thought to drive activity-dependent ordering in…”
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Tenascin-R Inhibits the Growth of Optic Fibers In Vitro But Is Rapidly Eliminated during Nerve Regeneration in the Salamander Pleurodeles waltl by Becker, Catherina G, Becker, Thomas, Meyer, Ronald L, Schachner, Melitta

“…Tenascin-R is a multidomain molecule of the extracellular matrix in the CNS with neurite outgrowth inhibitory functions. Despite the fact that in amphibians…”
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Increased NCAM-180 Immunoreactivity and Maintenance of L1 Immunoreactivity in Injured Optic Fibers of Adult Mice by Becker, Catherina G., Becker, Thomas, Meyer, Ronald L.

“…The injury related expression of two axon-growth promoting cell adhesion molecules (CAMs), NCAM-180 which is developmentally downregulated and L1 which is…”
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The growth of axons in three-dimensional astrocyte cultures by Fawcett, James W., Housden, Elizabeth, Smith-Thomas, Linda, Meyer, Ronald L.

“…The environment of the adult central nervous system (CNS) does not support axon regeneration. We have been unable to replicate this behaviour using monolayer…”
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Increased Spontaneous Unit Activity and Appearance of Spontaneous Negative Potentials in the Goldfish Tectum during Refinement of the Optic Projection by Kolls, Bradley J, Meyer, Ronald L

“…Spontaneous (not retinally driven) postsynaptic activity was examined during activity-dependent refinement of optic fibers in the goldfish tectum. Unit…”
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N-methyl-D-aspartate receptors strongly regulate postsynaptic activity levels during optic nerve regeneration: NMDAr Regulate Activity Levels During Regeneration by Kolls, Brad J., Meyer, Ronald L.

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Fine retinotopic organization of optic terminal arbors in the tectum of normal goldfish by Wang, Z, Meyer, R L

“…Although the retinotectal projection of goldfish has long been known to have a high degree of retinotopic order, the structural basis for this in terms of the…”
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Tetrodotoxin Blocks the Formation of Ocular Dominance Columns in Goldfish by Meyer, Ronald L.

“…Optic fibers from both eyes were made to regenerate simultaneously into one tectum in goldfish. Autoradiography at various times later revealed that…”
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The Neurite-Promoting Effect of Laminin Is Mediated by Different Mechanisms in Embryonic and Adult Regenerating Mouse Optic Axonsin Vitro by Bates, Carolyn A., Meyer, Ronald L.

“…Retinal explants from embryonic or adult mice were placed on laminin or merosin substrates and the outgrowth of optic fibers was assayed under serum-free…”
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