ArticleCell death & disease2025
Targeted inhibition of WIP1 and histone H3K27 demethylase activity synergistically suppresses neuroblastoma growth.
Article in Cell death & disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Zebrafish tumor xenograft models for drug-screening: a systematic review of methods for treatment assessment.Journal of translational medicine · 2026Pooled it
- Palmitic Acid-Induced Hepatotoxicity in Adult Zebrafish: Molecular Mechanisms and Advances in Intervention.Biology · 2026Review
- Combined inhibition of PLK4 and PPM1D promotes cell death in cancer cells with 17q amplification.Cancer cell international · 2026Article
- GSK-J4 Suppresses Tumorigenesis by Targeting the PERK-c-Myc Pathway Through Endoplasmic Reticulum Stress Activation in Tuberous Sclerosis Complex.International journal of molecular sciences · 2026Article
- AMPK phosphorylates WIP1 to promote DNA repair and radioresistance in cancer cells.Cell death & disease · 2025Article
- Review
- Three-Dimensional Culture Systems in Neuroblastoma Research.Organoids · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
14 authors.
Funding
Abstract
High-risk neuroblastoma frequently exhibits segmental gain of chromosome 17q, including the locus of PPM1D, which encodes the phosphatase WIP1, a regulator of p53 activity, DNA repair, and apoptosis. High expression of PPM1D is correlated to poor prognosis, and genetic or pharmacologic inhibition of WIP1 suppresses neuroblastoma growth. Here, we show that combining drugs that target WIP1 and H3K27 demethylation induces synergistic cytotoxicity in neuroblastoma. We screened 527 different compounds together with inhibitors of WIP1 and identified a strong cytotoxic synergism between the WIP1 inhibitor SL-176 and GSK-J4, a specific inhibitor of the H3K27 demethylase JMJD3. Viability assays in neuroblastoma cell lines and treatment of tumor spheroids confirmed the synergistic effect of combining SL-176 with GSK-J4. Immunoblot experiments demonstrated a marked effect on WIP1 downstream targets and apoptosis markers, while qPCR showed a synergistic upregulation of p53 downstream targets PUMA and p21. RNA sequencing revealed a vast number of differentially expressed genes, suggesting a pervasive effect of this drug combination on transcription, with enrichment of pathways involved in DNA damage response. Finally, this drug combination was confirmed to reduce tumor growth in zebrafish xenograft experiments. In conclusion, the combination of the WIP1 inhibitor SL-176 and the epigenetic modifier GSK-J4 induces synergistic cytotoxicity in neuroblastoma cells by potentiating p53 downstream effects.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.