ArticleThe Journal of clinical investigation2026
Therapeutic targeting of the eIF4E cap-binding domain reveals control of lineage fate in prostate cancer.
Article in The Journal of clinical investigation, 2026. 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.
- SPEN inactivation drives resistance to androgen receptor pathway inhibitors in metastatic prostate cancer.Clinical cancer research : an official journal of the American Association for Cancer Research · 2026Article
- Rewriting the cancer proteome: targeting selective translation as a therapeutic frontier.The Journal of clinical investigation · 2026Article
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Authors and funding
19 authors.
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Abstract
Lineage plasticity underscores the resilience of cancer cells in the context of drug treatment. However, lineage fates can also be therapeutically directed. We demonstrate that the eukaryotic initiation factor 4E (eIF4E) cap-binding domain is a critical regulator of lineage plasticity in prostate cancer. Using a first-in-class cap-binding domain inhibitor, we found that plasticity is driven by translational repression of basal keratins through a shared cis-regulatory element enciphered in their 5' untranslated regions (UTRs). Simultaneously, this stabilized the androgen receptor (AR) through translational upregulation of the deubiquitinases BAP1 and OTUD3. This lineage program is essential for cell survival and drives a druggable vulnerability. Notably, tumors resistant to AR blockade regained sensitivity upon eIF4E cap-binding domain inhibition, which reprogrammed them toward a luminal state. In patients with castration-resistant prostate cancer (CRPC), elevated eIF4E expression was associated with a basal phenotype, reduced luminal differentiation, and accelerated resistance to AR pathway inhibitors (ARPIs). These discoveries uncover a role for the eIF4E cap-binding domain in lineage plasticity and highlight that targeting this domain offers a promising strategy to overcome treatment resistance in prostate cancer.
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