Cited by 26Cell death mechanisms and regulationPhotodynamic Therapy Research StudiesAutophagy in Disease and Therapy

RIP3 antagonizes a TSC2-mediated pro-survival pathway in glioblastoma cell death

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Fettweis, Gregory, Di Valentin, Emmanuel, L'homme, Laurent, Lassence, Cédric, Dequiedt, Franck, Fillet, Marianne, Coupienne, Isabelle, Piette, Jacques·2017·Biochimica et Biophysica Acta (BBA) - Molecular Cell Research

Abstract

Glioblastomas are the deadliest type of brain cancer and are frequently associated with poor prognosis and a high degree of recurrence despite removal by surgical resection and treatment by chemo- and radio-therapy. Photodynamic therapy (PDT) is a treatment well known to induce mainly necrotic and apoptotic cell death in solid tumors. 5-Aminolevulinic acid (5-ALA)-based PDT was recently shown to sensitize human glioblastoma cells (LN-18) to a RIP3 (Receptor Interacting Protein 3)-dependent cell death which is counter-acted by activation of autophagy. These promising results led us to investigate the pathways involved in cell death and survival mechanisms occurring in glioblastoma following PDT. In the present study, we describe a new TSC2 (Tuberous Sclerosis 2)-dependent survival pathway implicating MK2 (MAPKAPK2) kinase and 14-3-3 proteins which conducts to the activation of a pro-survival autophagy. Moreover, we characterized a new RIP3/TSC2 complex where RIP3 is suggested to promote cell death by targeting TSC2-dependent survival pathway. These results highlight (i) a new role of TSC2 to protect glioblastoma against PDT-induced cell death and (ii) TSC2 and 14-3-3 as new RIP3 partners.

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Crossref · 10.1016/j.bbamcr.2016.10.014

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Authors
Fettweis, G., Di Valentin, E., L'homme, L., Lassence, C., Dequiedt, F., Fillet, M., Coupienne, I., & Piette, J.
Affiliations
University of Liège (BE)
Corresponding author
Piette, Jacques
Venue
Biochimica et Biophysica Acta (BBA) - Molecular Cell Research
Publisher
Elsevier BV
Published
2017-01
Volume
1864
Issue
1
Pages
113-124
ISSN
0167-4889 (ISSN-L)
OpenAlex
W2545775933
Cited by
26
References
58
Citations by year
2026: 1 · 2025: 1 · 2024: 4 · 2023: 8 · 2022: 2 · 2021: 3 · 2020: 1 · 2019: 2 · 2018: 1 · 2017: 3
FWCI
1.04
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Molecular Cell Research (publishedVersion)
  • PubMed (publishedVersion)
  • Open Repository and Bibliography (University of Liège) (submittedVersion, other-oa)
Funders
  • F.R.S. - FNRS (92390, 3.4537.11)
  • University of Liège (216589)
  • Belgian Science Policy Office (P7/32)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Photodynamic Therapy Research Studies
  • Health Sciences › Medicine › Epidemiology › Autophagy in Disease and Therapy
Keywords
glioblastoma, RIPK3, TSC2, photodynamic therapy, 5-aminolevulinic acid, autophagy, 14-3-3 proteins, cell death, cell survival signaling, necroptosis, LN18 cells
MeSH terms
Autophagy-Related Protein 7, Tuberous Sclerosis Complex 2 Protein, MAP-Kinase-Activated Kinase 2, Aminolevulinic Acid, Animals, Autophagy, Cell Survival, Humans, Light, Neuroglia, Photochemotherapy, Protein Binding, Signal Transduction, Gene Expression Regulation, Neoplastic, Photosensitizing Agents, Protein Serine-Threonine Kinases, Gene Silencing, Tumor Suppressor Proteins, RNA, Small Interfering, Cell Line, Tumor, Intracellular Signaling Peptides and Proteins, 14-3-3 Proteins, Rats, Receptor-Interacting Protein Serine-Threonine Kinases, Clustered Regularly Interspaced Short Palindromic Repeats

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