ArticleHeliyon2024
HIF-1α knockdown suppresses breast cancer metastasis via epithelial mesenchymal transition Abrogation.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- Roxadustat Inhibits Osteoclast Differentiation and Function by Disrupting Cell Cycle Exit.International journal of molecular sciences · 2026Article
- Article
- Exosome-delivered METTL14 drives hypoxia-induced proliferation, metastasis, and glycolysis of breast cancer cells through regulating TRIM16-mediated FGF7 ubiquitination.Breast cancer research : BCR · 2025Article
Corrections and comments
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lung metastasis, a leading cause of breast cancer mortality, lacks effective therapeutic options. Hypoxia-inducible factor 1-alpha (HIF-1α) plays important roles in breast cancer progression, but its direct impact on lung metastasis remains unclear. Herein, in this study, we investigated the role of HIF-1α in breast cancer lung metastasis and the potential of targeting it for therapeutic benefit. HIF-1α expression was knocked down in the 4T1 mouse mammary carcinoma cell line using a lentiviral vector. HIF-1α knockdown significantly reduced the migratory ability of 4T1 cells in vitro and lung metastasis in a mouse model. Mechanistically, HIF-1α knockdown decreased the expression of matrix metalloproteinases (MMP-2 and MMP-9) that degrade the extracellular matrix and suppressed the epithelial-to-mesenchymal transition (EMT) by increasing E-cadherin and decreasing vimentin expression. The findings of this study demonstrate that HIF-1α knockdown effectively inhibits lung metastasis of 4T1 cells both in vitro and in vivo by suppressing EMT. These results underscore a promising new approach for managing breast cancer metastasis.
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