Cited by 41Cell death mechanisms and regulationPhotodynamic Therapy Research StudiesNanoplatforms for cancer theranostics

RIP3 expression induces a death profile change in U2OS osteosarcoma cells after 5-ALA-PDT: RIP3 IN PDT-INDUCED CELL DEATH

Coupienne, Isabelle, Fettweis, Grégory, Piette, Jacques·2011·Lasers in Surgery and Medicine

Abstract

BACKGROUND AND OBJECTIVE: The receptor-interacting protein 3 (RIP3) has recently been outlined as a key necrosis mediator but is also thought to participate in the regulation of apoptosis. The aim of this study is to compare the cell death profile induced by 5-aminolevulic acid (5-ALA)-mediated photodynamic therapy (PDT) in the RIP3-deficient cell line U2OS and in U2OS cells in which the expression of RIP3 was restored. MATERIALS AND METHODS: RIP3-expressing U2OS cells (RIP3-U2OS) were obtained after transfection and antibiotic selection. Wild type and RIP3-U2OS cells were treated by 5-ALA-PDT. Overall cell viability was evaluated and different parameters characteristic of apoptosis, autophagy, and necrosis were studied. RESULTS: Surprisingly, the survival of RIP3-U2OS cells was higher compared to that of the wild type cells. In addition, RIP3-U2OS cell death was decreased by a zVAD-fmk pre-treatment. A higher cleavage of caspase-3, 7, 8, 9, and PARP was also detected in these cells, pointing out to the activation of caspase-dependent apoptosis. In parallel, a thrust of autophagy was clearly identified in the RIP3-U2OS cells. Conversely, RIP3-U2OS exhibited a lower level of necrosis than the wild types. Interestingly, necrostatin-1 efficiently decreased necrosis level in RIP3-U2OS but not in wild type cells. CONCLUSION: Expression of RIP3 in U2OS cells led to a better survival but also to a death profile change in response to PDT. The apoptotic and autophagic pathways were clearly up-regulated compared to the RIP3-deficient wild type cells. However, induction of necrosis was weaker in the RIP3-U2OS cells. In this context, autophagy is likely to play a protective role against PDT-induced cell death and to allow a better survival of RIP3-U2OS cells. This work also highlights the important role played by RIP3 in the apoptotic pathway, although the modalities are still widely unknown.

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Crossref · 10.1002/lsm.21088

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Authors
Coupienne, I., Fettweis, G., & Piette, J.
Affiliations
University of Liège (BE)
Corresponding author
Piette, Jacques
Venue
Lasers in Surgery and Medicine
Publisher
Wiley
Published
2011-08-23
Volume
43
Issue
7
Pages
557-564
ISSN
0196-8092 (ISSN-L)
OpenAlex
W1512707161
Cited by
41
References
38
Citations by year
2025: 1 · 2024: 1 · 2023: 2 · 2022: 2 · 2021: 3 · 2020: 2 · 2019: 3 · 2018: 2 · 2017: 3 · 2016: 7 · 2015: 3 · 2014: 4 · 2013: 2 · 2012: 5
FWCI
1.56
Type
journal article
Language
en
Open access
closed
Locations
  • Lasers in Surgery and Medicine (publishedVersion)
  • PubMed (publishedVersion)
  • ORBi (University of Liège) (submittedVersion)
Funders
  • FNRS
  • Inter-University Attraction Poles (IAP6/18)
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
  • Physical Sciences › Engineering › Biomedical Engineering › Nanoplatforms for cancer theranostics
Keywords
RIPK3, 5-aminolevulinic acid, photodynamic therapy, osteosarcoma, U2OS cells, necrosis, apoptosis, autophagy, caspase activation, necrostatin-1
MeSH terms
Aminolevulinic Acid, Autophagy, Bone Neoplasms, Cell Survival, Humans, Necrosis, Photochemotherapy, Osteosarcoma, Blotting, Western, Apoptosis, Photosensitizing Agents, Cell Line, Tumor, Receptor-Interacting Protein Serine-Threonine Kinases

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