Cited by 238Protein Kinase Regulation and GTPase SignalingNF-κB Signaling PathwaysMelanoma and MAPK Pathways

Requirement of the JIP1 scaffold protein for stress-induced JNK activation

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Whitmarsh, Alan J., Kuan, Chia-Yi, Kennedy, Norman J., Kelkar, Nyaya, Haydar, Tarik F., Mordes, John P., Appel, Michael, Rossini, Aldo A. +4 more·2001·Genes & Development

Abstract

The c-Jun N-terminal kinase (JNK) signal transduction pathway is activated in response to the exposure of cells to environmental stress. Components of the JNK signaling pathway interact with the JIP1 scaffold protein. JIP1 is located in the neurites of primary hippocampal neurons. However, in response to stress, JIP1 accumulates in the soma together with activated JNK and phosphorylated c-Jun. Disruption of the Jip1 gene in mice by homologous recombination prevented JNK activation caused by exposure to excitotoxic stress and anoxic stress in vivo and in vitro. These data show that the JIP1 scaffold protein is a critical component of a MAP-kinase signal transduction pathway.

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  • More physiological studies show that JIP1 is required for JNK activation and is inhibitory only when overexpressed.

    “However, it is now clear from more physiologically relevant studies that JIP1 is required for activation of JNK (Jaeschke et al., 2004; Morel et al., 2010; Whitmarsh et al., 2001), and is only inhibitory when overexpressed.”

    From Structural Mechanisms of Allostery and Autoinhibition in JNK Family Kinases (2012) · cites this paper as Whitmarsh et al., 2001

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Authors
Whitmarsh, A. J., Kuan, C.-Y., Kennedy, N. J., Kelkar, N., Haydar, T. F., Mordes, J. P., Appel, M., Rossini, A. A., Jones, S. N., Flavell, R. A., Rakic, P., & Davis, R. J.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Genes & Development
Published
2001-09-15
Volume
15
Issue
18
Pages
2421-2432
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2101704246
Cited by
238
References
47
Citations by year
2026: 1 · 2025: 6 · 2024: 1 · 2023: 7 · 2022: 7 · 2021: 2 · 2020: 5 · 2019: 3 · 2018: 7 · 2017: 4 · 2016: 8 · 2015: 9 · 2014: 8 · 2013: 6 · 2012: 9
Type
posted content
Language
en
Open access
Locations
  • Genes & Development (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • The Journal of the American Medical Association (JAMA) Network (American Medical Association) (submittedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institutes of Health (DK32520)
  • National Cancer Institute (R01CA085422, CA-65861, CA85422, R01CA065861)
  • National Institute of Diabetes and Digestive and Kidney Diseases (DK 32520, P30DK032520)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Melanoma and MAPK Pathways
Keywords
JIP1, JNK activation, c-Jun N-terminal kinase, scaffold proteins, MAPK signaling, anoxic stress, c-Jun phosphorylation, hippocampal neurons
MeSH terms
Animals, Carrier Proteins, Enzyme Activation, Mice, Inbred C57BL, Neurons, Apoptosis, Mice, Knockout, Oxidative Stress, Mitogen-Activated Protein Kinases, JNK Mitogen-Activated Protein Kinases, Adaptor Proteins, Signal Transducing, Mice

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