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Related Experiment Videos

The JNK signal transduction pathway.

Claire R Weston1, Roger J Davis

  • 1Howard Hughes Medical Institute and Program in Molecular Medicine, University of Massachusetts Medical School, Worcester, Massachusetts 01605, USA.

Current Opinion in Genetics & Development
|January 16, 2002
PubMed
Summary

The c-Jun NH(2)-terminal kinase (JNK) pathway is crucial for cell signaling. Research using knockout mice and a new JNK inhibitor advances understanding of JNK

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Area of Science:

  • Cellular Biology
  • Molecular Biology
  • Biochemistry

Background:

  • The c-Jun NH(2)-terminal kinase (JNK) is a mitogen-activated protein (MAP) kinase.
  • Understanding JNK signaling pathway functions is critical in cell biology.

Purpose of the Study:

  • To elucidate the physiological roles of the JNK signaling pathway.
  • To investigate the involvement of JNK in non-canonical Wnt signaling.
  • To explore the function of scaffold proteins in JNK module assembly.

Main Methods:

  • Phenotypic analysis of JNK knockout mice.
  • Studies on the non-canonical Wnt-signaling pathway.
  • Investigation of scaffold protein roles in JNK signaling.
  • Description of a novel small molecule JNK inhibitor.

Main Results:

  • JNK plays a significant role in the non-canonical Wnt-signaling pathway.
  • Scaffold proteins are involved in assembling functional JNK modules.
  • A pharmacological inhibitor for JNK has been developed.

Conclusions:

  • JNK signaling is vital for various physiological processes.
  • Further research with the JNK inhibitor will enhance understanding of JNK functions.
  • Scaffold proteins are key regulators of JNK activity.

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