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MAP kinases and cell migration

Cai Huang1, Ken Jacobson, Michael D Schaller

  • 1Department of Cell and Developmental Biology, University of North Carolina, Chapel Hill, NC 27599-7090, USA.

Journal of Cell Science
|September 17, 2004
PubMed

Insights

Mitogen-activated protein kinases (MAPKs), such as JNK, p38, and Erk, are vital for cell migration. These MAPKs regulate cell movement through distinct phosphorylation mechanisms, highlighting their diverse roles in cellular processes.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Mitogen-activated protein kinases (MAPKs) are critical signaling pathways involved in various cellular functions.
  • Cell migration is a fundamental process in development, immunity, and disease, regulated by complex molecular mechanisms.

Purpose of the Study:

  • To elucidate the specific roles and mechanisms of different MAPKs in regulating cell migration.
  • To understand how Jun N-terminus kinase (JNK), p38, and Erk contribute to cell movement.

Main Methods:

  • Review of recent studies on MAPK signaling pathways.
  • Analysis of phosphorylation targets of JNK, p38, and Erk involved in cell migration.

Main Results:

  • JNK regulates cell migration by phosphorylating targets like paxillin and Jun.
  • p38 modulates migration directionality through phosphorylation of MAPKAP 2/3.
  • Erk controls cell movement via phosphorylation of MLCK, calpain, and FAK.

Conclusions:

  • MAPK family members (JNK, p38, Erk) play significant roles in cell migration.
  • Each MAPK utilizes distinct phosphorylation targets and mechanisms to regulate cell movement.

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