ArticleInternational journal of molecular sciences2024
FEN1 Inhibition as a Potential Novel Targeted Therapy against Breast Cancer and the Prognostic Relevance of FEN1.
Article in International journal of molecular sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 14 citations in OpenAlex.
- Investigation of the effects of a Kiperin Bromelain & Papain complex in normal colon, mammary, and skin cells.Scientific reports · 2026Article
- Impairment of oxidative metabolism compromises Rad51 recruitment and potentiates PARP inhibitor effectiveness in ovarian cancer.Journal of experimental & clinical cancer research : CR · 2026Article
- Rotenone Inhibited Osteosarcoma Cell Growth Through USP47-Induced Decreases in FEN1 Stability and DNA Integrity.Drug design, development and therapy · 2026Article
- Royal Jelly Enhances the Sensitivity of Oral Squamous Cancer Cells to Paclitaxel, Suppressing Proliferation, Migration, and Glycolysis.Cell biochemistry and biophysics · 2025Article
- Prime Editing Modification with FEN1 Improves F508del Variant Editing in theInternational journal of molecular sciences · 2025Article
- FEN1 plays a key role in the transition from HSIL to CSCC.Scientific reports · 2025Article
- Inhibiting NHEJ in HNSCC cell lines by the ligase IV inhibitor SCR130 has limited radiosensitizing effects.Scientific reports · 2025Article
- Targeting FEN1/EXO1 to enhance efficacy of PARP inhibition in triple-negative breast cancer.Translational oncology · 2025Article
- Investigating the causal role of circulating metabolites in major depressive disorder.General psychiatry · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
To improve breast cancer treatment and to enable new strategies for therapeutic resistance, therapeutic targets are constantly being studied. Potential targets are proteins of DNA repair and replication and genomic integrity, such as Flap Endonuclease 1 (FEN1). This study investigated the effects of FEN1 inhibitor FEN1-IN-4 in combination with ionizing radiation on cell death, clonogenic survival, the cell cycle, senescence, doubling time, DNA double-strand breaks and micronuclei in breast cancer cells, breast cells and healthy skin fibroblasts. Furthermore, the variation in the baseline FEN1 level and its influence on treatment prognosis was investigated. The cell lines show specific response patterns in the aspects studied and have heterogeneous baseline FEN1 levels. FEN1-IN-4 has cytotoxic, cytostatic and radiosensitizing effects, expressed through increasing cell death by apoptosis and necrosis, G2M share, senescence, double-strand breaks and a reduced survival fraction. Nevertheless, some cells are less affected by the cytotoxicity and fibroblasts show a rather limited response. In vivo, high FEN1 mRNA expression worsens the prognosis of breast cancer patients. Due to the increased expression in breast cancer tissue, FEN1 could represent a new tumor and prognosis marker and FEN1-IN-4 may serve as a new potent agent in personalized medicine and targeted breast cancer therapy.
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