ArticleGastro hep advances2023
Evaluation of Protein Kinase cAMP-Activated Catalytic Subunit Alpha as a Therapeutic Target for Fibrolamellar Carcinoma.
Article in Gastro hep advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Clinical guideline for the diagnosis and treatment of fibrolamellar carcinoma.Hepatology (Baltimore, Md.) · 2026Article
- A PKA-selective inhibitor captures an open but more ordered conformation of the PKA catalytic subunit.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- The COX2-PGEbioRxiv : the preprint server for biology · 2026Article
- DNAJ-PKAc induces metabolic rewiring and enhanced glutamine flux in fibrolamellar HCC.Journal of hepatology · 2026Article
- Single-nucleus ATAC-seq analysis resolves chromatin and transcriptional features of fibrolamellar carcinoma.Scientific reports · 2026Article
- Genome-wide CRISPR Screening Reveals a PKA-Driven Resistance Mechanism to Metformin for Oral Cancer Prevention That Can Be Exploited by Combination with NSAIDs.Cancer prevention research (Philadelphia, Pa.) · 2026Article
- NHE7 drives endometrial cancer progression by delaying senescence through cAMP/CREB/GRIN2B axis-mediated Ca²⁺ influx.Communications biology · 2025Article
- DNAJB1-PRKACA Fusion Drives Fibrolamellar Liver Cancer through Impaired SIK Signaling and CRTC2/p300-Mediated Transcriptional Reprogramming.Cancer discovery · 2025Article
- Protein kinase A and local signaling in cancer.The Biochemical journal · 2024Review
- Therapeutic, Clinicopathological, and Molecular Correlates ofPharmaceuticals (Basel, Switzerland) · 2024Article
- Proteo-metabolomics and patient tumor slice experiments point to amino acid centrality for rewired mitochondria in fibrolamellar carcinoma.Cell reports. Medicine · 2024Article
- Emerging therapies for autosomal dominant polycystic kidney disease with a focus on cAMP signaling.Frontiers in molecular biosciences · 2022Review
Corrections and comments
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Authors and funding
22 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background and Aims: Fibrolamellar carcinoma (FLC) is a rare, difficult-to-treat liver cancer primarily affecting pediatric and adolescent patients, and for which precision medicine approaches have historically not been possible. The Methods: FLC patient-derived xenograft (PDX) shRNA cell lines were implanted subcutaneously into female NOD-SCID mice and tumors were allowed to develop prior to randomization to doxycycline (to induce knockdown) or control groups. Tumor development was assessed every 2 days. To assess the effect of treatment with novel selective PRKACA small molecule kinase inhibitors, BLU0588 and BLU2864, FLC PDX tumor cells were implanted subcutaneously into NOD-SCID mice and tumors allowed to develop. Mice were randomized to treatment (BLU0588 and BLU2864, orally, once daily) or control groups and tumor size determined as previously. Results: Knockdown of DNAJB1-PRKACA reversed a FLC-specific gene signature and reduced PDX tumor growth in mice compared to the control group. Furthermore, FLC PDX tumor growth was significantly reduced with BLU0588 and BLU2864 treatment vs control ( Conclusion: We demonstrated, using an inducible knockdown and small molecule approaches, that FLC PDX tumors were dependent upon DNAJB1-PRKACA fusion activity. In addition, this study serves as a proof-of-concept that PRKACA is a viable therapeutic target for FLC and warrants further investigation.
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