Molecular Layer Migration
Molecular Layer Migration - Related Videos
08:52
An Introduction to Cell Motility and Migration
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2023
Cell motility and migration play important roles in both normal biology and in disease. On one hand, migration allows cells to generate complex tissues and organs during development, but on the other hand, the same mechanisms are used by tumor cells to move and spread in a process known as cancer metastasis. One of the primary cellular machineries that make cell movement possible is an intracellular network of myosin and actin molecules, together known as “actomyosin”, which creates a...
09:48
Performing 1D Thin Layer Chromatography
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2023
Source: Laboratory of Dr. Yuri Bolshan — University of Ontario Institute of Technology Thin layer chromatography (TLC) is a chromatographic method used to separate mixtures of non-volatile compounds. A TLC plate consists of a thin layer of adsorbent material (the stationary phase) fixed to an appropriate solid support such as plastic, aluminum, or glass1. The sample(s) and reference compound(s) are dissolved in an appropriate solvent and applied near the bottom edge of the TLC plate in small...
08:24
The Transwell Migration Assay
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2023
Cells migration in response to chemical cues is crucial to development, immunity and disease states such as cancer. To quantify cell migration, a simple assay was developed in 1961 by Dr. Stephen Boyden, which is now known as the transwell migration assay or Boyden chamber assay. This set-up consists an insert which separates the wells of a multiwell plate into top and bottom compartments. Cells whose migration is to be studied are seeded into the top compartment and the chemoattractant...
08:12
Monitoring Dendritic Cell Migration using 19F / 1H Magnetic Resonance Imaging
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Cited by 14 •
2013
Tracking of cells using MRI has gained remarkable attention in the past years. This protocol describes the labeling of dendritic cells with fluorine (19F)-rich particles, the in vivo application of these cells, and monitoring the extent of their migration to the draining lymph node with 19F/1H MRI and 19F MRS.
08:35
Live Imaging Of Drosophila melanogaster Embryonic Hemocyte Migrations
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Cited by 28 •
2010
Drosophila hemocytes disperse over the entirety of the developing embryo. This protocol demonstrates how to mount and image these migrations using embryos with fluorescently labelled hemocytes.
FAQs
Bergmann glial fibers provide a scaffold that supports inward movement of granule neurons after they leave the external germinal layer. As neurons extend leading processes, their interaction with this scaffold helps organize the route toward the internal granular layer, linking migration to proper layer formation.
Cell adhesion and extracellular signaling cues help regulate how migrating neurons interact with their surroundings and follow an appropriate path. These signals are important because movement is not simply a change in location: it must be coordinated with the developing tissue so neurons arrive in positions that support the later organization of layered neural circuits.
Accurate positioning matters because neuronal location is tied to the organization of developing neural circuits. When molecular layer migration is disrupted, neurons may occupy abnormal positions, and connections may not form correctly. Studying these outcomes helps link a cellular migration defect with impaired connectivity and developmental neurological disorders.
A useful developmental sequence begins with granule neurons in the external germinal layer, examines their extension of leading processes, and then follows inward movement along Bergmann glial fibers. The analysis can next consider arrival in the internal granular layer and the contribution of adhesion and extracellular signals to this progression.
Studying this process can reveal how distinct neuronal populations reach assigned layers during brain development. In the cerebellum, examining the route from the external germinal layer to the internal granular layer connects cellular movement with the emergence of layered neural circuits, giving researchers a framework for relating migration to circuit maturation.
Its relevance extends from basic developmental neuroscience to disease and neural repair research. Migration findings can help explain how abnormal neuronal positioning arises, why connectivity may become impaired, and how disrupted development relates to neurological disorders. This context makes the process useful for investigating brain development, disease mechanisms, and efforts to restore neural organization.