NDLI: Cellular and molecular mechanisms of cerebellar granule cell migration

Content Provider	Springer Nature Link
Author	Yacubova, Elina Komuro, Hitoshi
Copyright Year	2003
Abstract	The real-time observation of cell movement in brain slice preparations reveals that in the developing brain, postmitotic neurons alter their shape concomitantly with changes in the mode, direction, tempo, and rate of migration as they traverse different cortical layers. Although it has been hypothesized that orchestrated activities of multiple external cues and cell-cell contact are essential for controlling the cortical-layer-specific changes in cell migration, signaling mechanisms and external guidance cues related to the alteration of neuronal cell migration remain to be determined. In this article, we will first review recent studies on position-specific changes in granule cell behavior through different migratory terrains of the developing cerebellar cortex. We will then present possible roles for the coordinated activity of Ca$^{2+}$ channels, NMDA type of glutamate receptors, and intracellular Ca$^{2+}$ fluctuations in controlling cerebellar granule cell movement. Furthermore, we will discuss the crucial roles of brain-derived neurotrophic factor (BDNF), neuregulin (NRG), stromal cell-derived factor 1α (SDF-1α), ephrin-B2, and EphB2 receptor in providing directional cues promoting granule cell migration from the external granular layer (EGL) to the internal granular layer (IGL). Finally, we will demonstrate that endogenous somatostatin controls the migration of granule cells in a cortical layer-specific manner: Endogenous somatostatin accelerates granule cell movement near the birthplace within the EGL, but significantly slows down the movement near their final destination within the IGL.
Starting Page	213
Ending Page	234
Page Count	22
File Format	PDF
ISSN	10859195
Journal	Cell Biochemistry and Biophysics
Volume Number	37
Issue Number	3
e-ISSN	15590283
Language	English
Publisher	Humana Press
Publisher Date	2003-01-01
Publisher Place	Totowa
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Biochemistry Pharmacology/Toxicology Biotechnology Cell Biology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Medicine Biochemistry Biophysics

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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