Cited by 25Prostate Cancer Treatment and ResearchRNA and protein synthesis mechanismsRNA modifications and cancer

Small-molecule RNA therapeutics to target prostate cancer

Open access
Kuzuoglu-Ozturk, Duygu, Nguyen, Hao G., Xue, Lingru, Figueredo, Emma, Subramanyam, Vishvak, Liu, Isabelle, Bonitto, Kenya, Noronha, Ashish +7 more·2025·Cancer Cell

Abstract

Tuning protein expression by targeting RNA structure using small molecules is an unexplored avenue for cancer treatment. To understand whether this vulnerability could be therapeutically targeted in the most lethal form of prostate cancer, castration-resistant prostate cancer (CRPC), we use a clinical small molecule, zotatifin, that targets the RNA helicase and translation factor eukaryotic initiation factor 4A (eIF4A). Zotatifin represses tumorigenesis in patient-derived and xenograft models and prolonged survival in vivo alongside hormone therapy. Genome-wide transcriptome, translatome, and proteomic analysis reveals two important translational targets: androgen receptor (AR), a key oncogene in CRPC, and hypoxia-inducible factor 1A (HIF1A), an essential cancer modulator in hypoxia. We solve the structure of the 5' UTRs of these oncogenic mRNAs and strikingly observe complex structural remodeling of these select mRNAs by this small molecule. Remarkably, tumors treated with zotatifin become more sensitive to anti-androgen therapy and radiotherapy. Therefore, "translatome therapy" provides additional strategies to treat the deadliest cancers.

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Crossref · 10.1016/j.ccell.2025.02.027

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  • eIF4A inhibitors target both isoforms, suppress translation of key oncogenes, and have demonstrated antitumor activity in a variety of cancers.

    “eIF4A inhibitors, which target both isoforms, suppress translation of key oncogenes and have demonstrated antitumor activity in a variety of cancers (15, 17, 19–22).”

    From Targeting eIF4A-dependent translation in genetically complex sarcoma (2026) · cites this paper as [22]

    The Results section on eIF4A inhibition reports that zotatifin reduced prostate-tumor growth and prolonged survival in mouse models; the Discussion links its anticancer effect to reduced translation of the cancer drivers AR and HIF1A. Our copy does not establish that eIF4A inhibitors target both eIF4A isoforms or demonstrate antitumor activity across a variety of cancer types. Its reference to inhibiting 'both isoforms' concerns AR, not eIF4A. Page numbers are unavailable in our copy. (LLM, conf=0.87)

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Authors
Kuzuoglu-Ozturk, D., Nguyen, H. G., Xue, L., Figueredo, E., Subramanyam, V., Liu, I., Bonitto, K., Noronha, A., Dabrowska, A., Cowan, J. E., Oses-Prieto, J. A., Burlingame, A. L., Worland, S. T., Carroll, P. R., & Ruggero, D.
Affiliations
  • University of California, San Francisco (US)
  • eFFECTOR Therapeutics (United States) (US)
Corresponding author
  • Nguyen, Hao G.
  • Ruggero, Davide
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2025-05
Volume
43
Issue
5
Pages
841-855.e8
ISSN
1535-6108 (ISSN-L)
OpenAlex
W4408660129
Cited by
24
References
60
Citations by year
2026: 14 · 2025: 10
FWCI
15.66
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (acceptedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (publishedVersion)
  • Sabanci University (acceptedVersion)
Funders
  • American Cancer Society (P50CA275741, RP-19-181-01-RMC)
  • US Department of Defense (HT9425-24-1-0070)
  • Prostate Cancer Foundation
  • Portland Community Fund (R01CA235741)
  • Dr. Miriam and Sheldon G. Adelson Medical Research Foundation
  • National Institutes of Health National Cancer Institute (R35CA242986)
  • National Institutes of Health
  • University of California, San Francisco
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Treatment and Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
Keywords
castration-resistant prostate cancer, eIF4A, RNA helicase, translatome, androgen receptor, HIF1A, antiandrogen therapy, radiosensitivity, hormone therapy
MeSH terms
Animals, Humans, Male, Prostatic Neoplasms, Receptors, Androgen, RNA, Messenger, Thiohydantoins, Gene Expression Regulation, Neoplastic, 5' Untranslated Regions, Xenograft Model Antitumor Assays, Eukaryotic Initiation Factor-4A, Cell Line, Tumor, Mice, Hypoxia-Inducible Factor 1, alpha Subunit, Prostatic Neoplasms, Castration-Resistant

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