ArticleProceedings of the National Academy of Sciences of the United States of America2025
CRISPR screens identify the ATPase VCP as a druggable therapeutic vulnerability in cholangiocarcinoma.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Cancer and aging: complex associations and therapeutic targets.Molecular biomedicine · 2026Review
- CRISPR screens identify the ATPase VCP as a druggable therapeutic vulnerability in cholangiocarcinoma.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
24 authors.
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Abstract
Cholangiocarcinoma (CCA) remains a lethal malignancy with limited therapeutic options. Through genome-wide CRISPR-Cas9 screening, we identified the adenosine triphosphatase (ATPase) valosin-containing protein (VCP) as a critical dependency in CCA. Compound screens revealed that the VCP inhibitor CB-5339 potently suppresses CCA proliferation in a panel of patient-derived organoids by inducing cellular senescence. It is known that senescent cells persist, and this can contribute to therapy resistance. To address this, we combined CB-5339 with senolytic agents (ABT-263 and conatumumab), which selectively eliminate senescent CCA cells, resulting in enhanced tumor suppression both in vitro and in vivo. Clinical analysis showed that VCP overexpression in CCA patients correlates with poor prognosis. Our study unveils a "one-two punch" strategy, targeting VCP-mediated senescence followed by senolytic clearance, offering a promising therapeutic approach for CCA.
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