Measuring Retrograde Actin Flow in Neuronal Growth Cones.
Actin cytoskeleton
Kymograph
Neuronal growth cone
Retrograde F-actin flow
Time-lapse imaging
Journal
Methods in molecular biology (Clifton, N.J.)
ISSN: 1940-6029
Titre abrégé: Methods Mol Biol
Pays: United States
ID NLM: 9214969
Informations de publication
Date de publication:
2024
2024
Historique:
medline:
13
8
2024
pubmed:
13
8
2024
entrez:
12
8
2024
Statut:
ppublish
Résumé
Actin flow refers to the motion of the F-actin cytoskeleton and has been observed in many different cell types, especially in motile cells including neuronal growth cones. The direction of the actin flow is generally retrograde from the periphery toward the center of the cell. Actin flow can be harnessed for forward movement of the cell through substrate-cytoskeletal coupling; thus, a key function of actin flow is in cell locomotion. In this chapter, we illustrate three different methods of quantifying retrograde F-actin flow in growth cones derived from cultured Aplysia bag cell neurons. These methods include tracking the movement of surface marker beads as well as kymograph analysis of time-lapse sequences acquired by differential interference contrast (DIC) imaging or fluorescent speckle microscopy (FSM). Due to their large size, Aplysia neuronal growth cones are uniquely suited for these methods; however, they can also be applied to any other growth cones with clear F-actin-rich peripheral domains.
Identifiants
pubmed: 39134856
doi: 10.1007/978-1-0716-3969-6_18
doi:
Substances chimiques
Actins
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
265-282Informations de copyright
© 2024. The Author(s), under exclusive license to Springer Science+Business Media, LLC, part of Springer Nature.
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