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ZNF384-ZEB1 feedback loop regulates breast cancer metastasis
Qing-Xiang Meng1,2,3,4,5, Ke-Nie Wang1,2,3,4, Jun-Hui Li1,2,3,4
1The First Department of Breast Cancer, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Huan-Hu-Xi Road, He-Xi District, Tianjin, 300060, China.
Molecular Medicine (Cambridge, Mass.)
|September 13, 2022
Summary
Zinc finger protein 384 (ZNF384) promotes breast cancer metastasis by activating ZEB1, creating a feedback loop. This study identifies ZNF384 as a potential prognostic factor and therapeutic target for breast cancer.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Breast cancer is the most diagnosed cancer globally.
- Zinc finger proteins (ZNFs) are implicated in cancer development.
- The role of ZNF384 in breast cancer pathogenesis was previously unknown.
Purpose of the Study:
- To investigate the role of ZNF384 in breast cancer malignancy.
- To elucidate the molecular mechanisms underlying ZNF384's function in breast cancer.
Main Methods:
- Cell proliferation, migration, and invasion assays (CCK-8, colony formation, Transwell, scratch).
- Chromatin immunoprecipitation (ChIP)-qPCR and luciferase reporter assays to confirm ZNF384-ZEB1 interaction.
- Xenograft models for in vivo validation.
Main Results:
- ZNF384 is significantly overexpressed in breast cancer tissues.
- ZNF384 promotes a mesenchymal phenotype by transactivating ZEB1, driving breast cancer metastasis.
- A feedback loop involving ZNF384, ZEB1, and miR-485-5p was identified, regulating breast cancer metastasis.
Conclusions:
- ZNF384 plays a crucial oncogenic role in breast cancer progression and metastasis.
- ZNF384 represents a potential prognostic biomarker for breast cancer.
- Targeting ZNF384 may offer a novel therapeutic strategy for breast cancer treatment.
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