Cytoskeletal-associated proteins in the migration of cortical neurons
✍ Scribed by Bielas, Stephanie L. ;Gleeson, Joseph G.
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 232 KB
- Volume
- 58
- Category
- Article
- ISSN
- 0022-3034
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
Neuronal migration is a hallmark of cerebral cortical development as neurons born deep within the brain migrate to the surface in a highly choreographed process. The cytoskeleton extends throughout the cell, mediating the dramatic morphological changes that accompany migration. On a cellular level, proper migration is accompanied by polarization of the cytoskeleton and cellular contents and by dynamic reorganization that generates the force for cell locomotion. Genetic analyses of human brain malformations, as well as genetically engineered mouse mutants, have highlighted a number of cytoskeletal‐associated proteins underlying these functions, which are necessary for proper cortical development. While these proteins are involved in diverse molecular mechanisms, disruption during development results in the ectopic placement of neurons in the cortex. We review key cytoskeletal events and the critical cytoskeletal‐associated proteins involved in cortical neuronal migration. © 2003 Wiley Periodicals, Inc. J Neurobiol 58: 149–159, 2004
📜 SIMILAR VOLUMES
Neurons are faced with the formidable challenge of having to assemble most of their cytoskeleton at axonal sites far removed from the protein synthetic machinery in the perikaryon. Their achievement seems all the more impressive now that new evidence is showing that the cytoskeleton may vary markedl
Phenytoin (PH) is commonly used as an anticonvulsant drug, and it causes several collateral effects including morphological changes in brain cortex neurons and teratogenic lesions in infants of epileptic mothers. Several lines of evidence indicate that PH may exert its action through the modificatio
## Abstract The relative abundance of several axonal cytoskeletal proteins was determined by immunoassay at various sites in the peripheral and central nervous systems of adult rats. Within the peripheral nervous system, the ratio of tubulin to neurofilaments was greatest for nerves composed of unm
## Abstract It is known that insulin treatment increases the rate of protein synthesis in many cells and tissues and that it causes changes in the distribution of ribosomes between free (FP), cytoskeletal‐bound (CBP) and membrane‐bound polysome (MBP) populations. This paper concerns an analysis of
The development of the cerebral cortex requires large-scale movement of neurons from areas of proliferation to areas of differentiation and adult function in the cortex proper, and the patterns of this neuronal migration are surprisingly complex. The migration of neurons is affected by several natur