Cited by 111Cell death mechanisms and regulationNF-κB Signaling PathwaysFerroptosis and cancer prognosis

HS-1371, a novel kinase inhibitor of RIP3-mediated necroptosis

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Park, Han-Hee, Park, Se-Yeon, Mah, Shinmee, Park, Jung-Hee, Hong, Soon-Sun, Hong, Sungwoo, Kim, You-Sun·2018·Experimental & Molecular Medicine

Abstract

Necroptosis is a type of programmed cell death that usually occurs under apoptosis-deficient conditions. Receptor-interacting protein kinase-3 (RIP3, or RIPK3) is a central player in necroptosis, and its kinase activity is essential for downstream necroptotic signaling events. Since RIP3 kinase activity has been associated with various diseases, the development of specific RIP3 inhibitors is an attractive strategy for therapeutic application. In this study, we identified a potent RIP3 inhibitor, HS-1371, by the extensive screening of chemical libraries focused on kinases. HS-1371 directly binds to RIP3 in an ATP-competitive and time-independent manner, providing a mechanism of action. Moreover, the compound inhibited TNF-induced necroptosis but did not inhibit TNF-induced apoptosis, indicating that this novel inhibitor has a specific inhibitory effect on RIP3-mediated necroptosis via the suppression of RIP3 kinase activity. Our results suggest that HS-1371 could serve as a potential preventive or therapeutic agent for diseases involving RIP3 hyperactivation.

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  • Treatment with small molecule inhibitors of RIPK3 (HS-1371) or MLKL (GW806742X) rescued Tbk1-null B16 cells from TNFα/IFNγ-induced cell death when combined with caspase inhibition.

    “Consistent with our findings with RIPK1, treatment with small molecule inhibitors of RIPK3 (HS-1371) 38 or MLKL (GW806742X) 39 rescued Tbk1-null B16 cells from TNF α /IFN γ -induced cell death when combined with caspase inhibition (Extended Data Fig. 8d-e).”

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Authors
Park, H.-H., Park, S.-Y., Mah, S., Park, J.-H., Hong, S.-S., Hong, S., & Kim, Y.-S.
Affiliations
  • Ajou University (KR)
  • Korea Advanced Institute of Science and Technology (KR)
Corresponding author
  • Hong, Soon-Sun
  • Hong, Sungwoo
  • Kim, You-Sun
Venue
Experimental & Molecular Medicine
Published
2018-09
Volume
50
Issue
9
Pages
1-15
ISSN
  • 1226-3613 (ISSN-L)
  • 2092-6413
OpenAlex
W2885340691
Cited by
110
References
41
Citations by year
2026: 8 · 2025: 8 · 2024: 9 · 2023: 13 · 2022: 5 · 2021: 42 · 2020: 19 · 2019: 6
FWCI
6.05
Type
journal article
Language
en
Open access
Locations
  • Experimental & Molecular Medicine (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • AJOU Open Repository (Ajou University) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Korea Health Industry Development Institute (HI15C0554)
  • Institute for Basic Science
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Cell death mechanisms and regulation
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › NF-κB Signaling Pathways
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Ferroptosis and cancer prognosis
Keywords
necroptosis, RIPK3, programmed cell death, kinase inhibition, apoptosis
MeSH terms
Animals, Cell Line, Humans, Necrosis, Phosphorylation, Phosphoserine, Piperidines, Pyrazoles, Quinolines, Tumor Necrosis Factor-alpha, Apoptosis, Cytoprotection, Protein Kinase Inhibitors, Mice, Receptor-Interacting Protein Serine-Threonine Kinases

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