Nuclear trafficking of secreted factors and cell-surface receptors: new pathways to regulate cell proliferation and differentiation, and involvement in cancers
2006

Nuclear Trafficking of Secreted Factors and Cell-Surface Receptors

publication Evidence: moderate

Author Information

Author(s): Planque Nathalie

Primary Institution: Laboratoire d'Oncologie Virale et Moléculaire, Université Paris7-Denis Diderot

Hypothesis

How do secreted factors and cell-surface receptors regulate cell proliferation and differentiation through nuclear trafficking?

Conclusion

Nuclear localization of secreted factors and receptors is linked to cell proliferation, differentiation, and cancer progression.

Supporting Evidence

  • Nuclear localization of growth factors and receptors is correlated with tumor progression.
  • Nuclear forms of FGF and EGFR regulate transcription of genes involved in cell proliferation.
  • Secreted factors can influence DNA repair and RNA metabolism in the nucleus.
  • Nuclear trafficking of proteins is linked to resistance to cancer therapies.

Takeaway

Some proteins that are usually outside cells can go inside and even into the cell's control center, the nucleus, where they help cells grow and change.

Methodology

The review discusses various mechanisms of nuclear trafficking and the roles of secreted factors and receptors in cellular processes.

Limitations

The review does not provide experimental data but summarizes existing literature.

Digital Object Identifier (DOI)

10.1186/1478-811X-4-7

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