ArticleCell reports. Medicine2025
Homologous recombination repair status in metastatic prostate cancer by next-generation sequencing and functional immunofluorescence.
Article in Cell reports. Medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- The dual immune landscape of homologous recombination-deficient tumors: mechanisms and therapeutic implications.Cancer metastasis reviews · 2026Review
- RAD51-based homologous recombination deficiency is associated with treatment response and survival in early breast cancer.NPJ breast cancer · 2026Article
- CCDC6 Immunostaining in Conjunction with the Rad51 HRD Assay May Expand PARPi Treatment Eligibility in Patients with HGSOC.Cancer research communications · 2026Article
- Blood-Based Genomic Alteration Signature for Predicting Progression-Free Survival in De Novo Metastatic Hormone-Sensitive Prostate Cancer: A Real-World Study.Cancer research communications · 2025Article
- The distinct landscape of tumor immune microenvironment in homologous recombination deficient cancers.Biomarker research · 2025Review
- Case Report: Two cases of chemotherapy refractory aggressive variant prostate cancer with extreme durable response to PARP inhibitor.Frontiers in oncology · 2025Article
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Authors and funding
30 authors.
Funding
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Abstract
Metastatic prostate cancer (mPC) is enriched for homologous recombination repair (HRR) gene alterations, which have prognostic and predictive value. Routine clinical implementation of next-generation sequencing (NGS) is still limited. We investigated the association between genomic and functional loss of HRR, using NGS and RAD51 immunofluorescence (RAD51-IF) in 219 primary or metastatic biopsies from 187 patients with stage IV prostate cancer. NGS showed frequent genomic alterations in TP53 (40%), AR (15%), PTEN (14%), FOXA1 (12%), MYC (10%), BRCA2 (9%), ATM (8%), and BRCA1 (2%). We pursued RAD51-IF in 206 samples; of those, 139/206 (67%) were evaluable. 21% of samples had RAD51-low score compatible with HRR deficiency (HRD). RAD51-IF showed high sensitivity (71%) and specificity (86%) for BRCA1/2 alterations. Patients with RAD51-low scores experienced longer progression-free survival (PFS) on poly(ADP-ribose) polymerase inhibitors (PARPi) or platinum chemotherapy. RAD51-IF is feasible in routine clinical samples from patients with mPC and is associated with clinically relevant HRR gene alterations.
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