Cited by 139Hippo pathway signaling and YAP/TAZProtein Kinase Regulation and GTPase SignalingNF-κB Signaling Pathways

Two-Faced: Roles of JNK Signalling During Tumourigenesis in the Drosophila Model

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La Marca, John E., Richardson, Helena E.·2020·Frontiers in Cell and Developmental Biology

Abstract

The highly conserved c-Jun N-terminal Kinase (JNK) signalling pathway has many functions, regulating a diversity of processes: from cell movement during embryogenesis to the stress response of cells after environmental insults. Studies modelling cancer using the vinegar fly, Drosophila melanogaster, have identified both pro- and anti-tumourigenic roles for JNK signalling, depending on context. As a tumour suppressor, JNK signalling commonly is activated by conserved Tumour Necrosis Factor (TNF) signalling, which promotes the caspase-mediated death of tumourigenic cells. JNK pathway activation can also occur via actin cytoskeleton alterations, and after cellular damage inflicted by reactive oxygen species (ROS). Additionally, JNK signalling frequently acts in concert with Salvador-Warts-Hippo (SWH) signalling – either upstream of or parallel to this potent growth-suppressing pathway. As a tumour promoter, JNK signalling is co-opted by cells expressing activated Ras-MAPK signalling (among other pathways), and used to drive cell morphological changes, induce invasive behaviours, block differentiation, and enable persistent cell proliferation. Furthermore, JNK is capable of non-autonomous influences within tumour microenvironments by effecting the transcription of various cell growth- and proliferation-promoting molecules. In this review, we discuss these aspects of JNK signalling in Drosophila tumourigenesis models, and highlight recent publications that have expanded our knowledge of this powerful pathway.

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Authors
La Marca, J. E., & Richardson, H. E.
Affiliations
La Trobe University (AU)
Venue
Frontiers in Cell and Developmental Biology
Published
2020-02-05
Volume
8
Pages
42-42
ISSN
2296-634X (ISSN-L)
OpenAlex
W3005394308
Cited by
139
References
150
Citations by year
2026: 7 · 2025: 28 · 2024: 24 · 2023: 21 · 2022: 19 · 2021: 26 · 2020: 11 · 2019: 2 · 2016: 1
FWCI
2.25
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Cell and Developmental Biology (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
  • Minerva Access (University of Melbourne) (submittedVersion, cc-by)
  • La Trobe University (cc-by)
Funders
  • La Trobe University
  • Australian Research Council (DP170102549)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Hippo pathway signaling and YAP/TAZ
  • 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
Keywords
JNK signaling, tumourigenesis, Drosophila melanogaster, tumour suppressor, tumor promoters, TNF signaling, caspase-mediated cell death, actin cytoskeleton, reactive oxygen species, RAS/MAPK pathway, cell invasion, tumor microenvironment, cell proliferation

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