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Studying Nestin and its Interrelationship with Cdk5.

Julia Lindqvist1, Num Wistbacka1, John E Eriksson1

  • 1Cell Biology, Biosciences, Faculty of Science and Engineering, Åbo Akademi University, Turku, Finland; Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland.

Methods in Enzymology
|January 23, 2016
PubMed
Summary
This summary is machine-generated.

Intermediate filaments (IFs) like nestin act as dynamic signaling scaffolds. Nestin

Keywords:
Cdk5Intermediate filamentMyogenic differentiationNestinNeuromuscular junctionPhosphorylation

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Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Intermediate filaments (IFs) are crucial for cellular state identification, origin tracing, and disease diagnosis.
  • Nestin, an IF protein, serves as a marker for CNS progenitor cells but is also found in mesenchymal progenitors and specific tissues like kidney podocytes and neuromuscular junctions.
  • IF proteins, including nestin, are dynamic structures regulated by post-translational modifications, influencing their solubility, levels, and signaling roles.

Purpose of the Study:

  • To review the broad and similar roles of IFs as dynamic signaling scaffolds.
  • To exemplify these roles through observations of nestin functions.
  • To highlight nestin's interaction with cyclin-dependent kinase 5 (CDK5).

Main Methods:

  • Literature review focusing on intermediate filaments and nestin.
  • Analysis of nestin's interactions with signaling molecules, particularly kinases.
  • Examination of nestin's role in cell signaling pathways.

Main Results:

  • Nestin filaments are dynamic and undergo remodeling via post-translational modifications.
  • Nestin interacts with kinases, including CDK5, influencing cell signaling bidirectionally.
  • These interactions regulate fundamental cellular processes such as division, differentiation, and migration.

Conclusions:

  • Intermediate filaments function as dynamic signaling scaffolds.
  • Nestin's interactions, especially with CDK5, underscore its role in regulating cellular behavior.
  • Understanding nestin's signaling capacity is vital for cell biology and disease diagnostics.