ArticleNature cell biology2025
Autophagy-targeted NBR1-p62/SQSTM1 complexes promote breast cancer metastasis by sequestering ITCH.
Article in Nature cell biology, 2025. 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.
- Autophagy modulation in cancer.Nature reviews. Drug discovery · 2026Review
- Article
- Regulation of Mitophagy by Low-Intensity Pulsed Ultrasound Attenuates Endothelial Dysfunction.Metabolites · 2026Article
- LAMTOR5 promotes hepatoma growth in mice by disrupting LC3-p62-mediated autophagy and preventing p62 proteasome degradation.Acta pharmacologica Sinica · 2026Article
- Endothelial Cell Autophagy Suppresses Metastasis In Mouse Mammary and Pancreatic Neuroendocrine Tumor Models.bioRxiv : the preprint server for biology · 2026Article
- Review
- FLCN loss is characterized by SQSTM1/p62 accumulation despite functional autophagy flux in Birt-Hogg-Dubé syndrome-associated kidney cancer.Autophagy reports · 2026Article
- Article
- Autophagy-Related Proteins in Triple-Negative Breast Cancer: From Molecular Insights to Therapeutic Applications.International journal of molecular sciences · 2025Review
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Authors and funding
15 authors.
Funding
Abstract
Autophagy deficiency in breast cancer promotes metastasis through the accumulation of the autophagy cargo receptor NBR1. Here we show that autophagy normally suppresses breast cancer metastasis by enabling the clearance of NBR1-p62/SQSTM1 complexes that instruct p63-mediated pro-metastatic basal differentiation programmes. When autophagy is inhibited, the autophagy cargo receptors NBR1 and p62/SQSTM1 accumulate within biomolecular condensates in cells, which drives basal differentiation in both mouse and human breast cancer models. Mechanistically, these NBR1-p62/SQSTM1 complexes sequester ITCH, a ubiquitin ligase that degrades and negatively regulates p63 in breast cancer cells, thereby stabilizing and activating p63. Accordingly, mutant forms of NBR1 unable to sequester ITCH into NBR1-p62/SQSTM1 complexes do not promote basal differentiation and metastasis in vivo. Overall, our findings illuminate how proteostatic defects arising in the setting of therapeutic autophagy inhibition modulate epithelial lineage fidelity and metastatic progression.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.