ArticleCell death and differentiation2025
Angiopoietin-like protein 8 directs DNA damage responses towards apoptosis by stabilizing PARP1-DNA condensates.
Article in Cell death and differentiation, 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.
- Targeting the ANGPTL4/NRP1/ABL1/RAD51 axis reverses cisplatin resistance by impairing DNA damage repair in head and neck cancer.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- ANGPTL8 accelerates bone loss in diabetic mice by promoting osteoclastic differentiation and inhibiting osteoblastic differentiation through AMPK pathway-mediated metabolic reprogramming.Cellular and molecular life sciences : CMLS · 2026Article
- PARylation-centric crosstalk: orchestrating immune evasion and multidrug resistance in ovarian cancer.Frontiers in immunology · 2026Review
- PARPs and PARP inhibitors: molecular mechanisms and clinical applications.Molecular biomedicine · 2025Review
- Histone Demethylase UTX Suppresses Tumor Cell Proliferation by Regulating Stress Granules.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- The role and mechanism of p53 F229V mutation in inhibiting pseudorabies virus replication.Frontiers in microbiology · 2025Article
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Authors and funding
19 authors.
Funding
Abstract
Upon genotoxic stresses, cells employ various DNA damage responses (DDRs), including DNA damage repair or apoptosis, to safeguard genome integrity. However, the determinants among different DDRs choices are largely unknown. Here, we report angiopoietin-like protein 8 (ANGPTL8), a secreted regulator of lipid metabolism, localizes to the nucleus and acts as a dynamic switch that directs DDRs towards apoptosis rather than DNA repair after genotoxin exposure. ANGPTL8 deficiency alleviates DNA damage and apoptosis in cells exposed to genotoxins, as well as in the liver or kidney of mice injured by hepatic ischemia/reperfusion or cisplatin treatment. Mechanistically, ANGPTL8 physically interacts with Poly (ADP-ribose) polymerase 1 (PARP1), in a PARylation-independent manner, and reduces the fluidity of PARP1-DNA condensates, thereby enhancing the pro-apoptotic accumulation of PARP1 and PAR chains on DNA lesions. However, the transcription of ANGPTL8 is gradually decreased following genotoxin treatment, partly due to downregulation of CCAAT enhancer binding protein alpha (CEBPA), presumably to avoid further cytotoxicity. Together, we provide new insights by which genotoxic stress induced DDRs are channeled to suicidal apoptosis to safeguard genome integrity.
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