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ZNF468 Exhibits Oncogenic Activity by Regulating Unexplored ZNF707 in Breast Cancer
Manas K Mahapatra1, Shivani Bansal1, Sweta H Makwana1
1Department of Biochemistry, School of Life Sciences, Central University of Rajasthan, Ajmer, Rajasthan, India.
The Journal of Gene Medicine
|May 31, 2026
Summary
Researchers identified two novel zinc finger proteins (ZNFs), ZNF468 and ZNF707, as key drivers of breast cancer progression. Targeting these ZNFs shows potential for developing new breast cancer therapies.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Background:
- Transcription factors regulate critical cellular processes, and their dysregulation is implicated in cancer development and progression.
- C2H2 type zinc finger proteins (ZNFs) are a large family involved in nucleic acid binding and transcriptional regulation, with aberrant expression linked to various pathologies, including cancer.
Purpose of the Study:
- To identify and characterize novel transcription factors involved in breast cancer pathogenesis.
- To investigate the oncogenic potential of unexplored ZNFs and their downstream targets in breast cancer cells.
Main Methods:
- Systematic analysis of cancer databases (GEO) to identify differentially expressed ZNFs in breast cancer.
- In vitro studies involving knockdown and overexpression of ZNF468 and ZNF707 in breast cancer cell lines (MCF-7, MDA-MB-231).
- Chromatin immunoprecipitation (ChIP) assays to determine DNA binding sites and target genes, alongside RT-qPCR analysis of patient tissues.
Main Results:
- ZNF468 was identified as a key oncogenic ZNF; its knockdown inhibited proliferation, migration, invasion, and epithelial-to-mesenchymal transition (EMT).
- ZNF468 regulates the expression of ZNF707, which was found to promote proliferation, migration, invasion, and oncogenic marker expression.
- Both ZNF468 and ZNF707 were found to be upregulated in malignant breast cancer tissues, and ZNF707 overexpression reduced chemo-sensitivity.
Conclusions:
- ZNF707 exhibits significant oncogenic potential in breast cancer, and ZNF468 drives its oncogenic activity through regulation of ZNF707.
- These ZNFs represent potential therapeutic targets for breast cancer treatment.
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