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- Title
MicroRNA Regulation of Breast Cancer Stemness.
- Authors
Humphries, Brock; Wang, Zhishan; Yang, Chengfeng; Fendler, Wojciech
- Abstract
Recent advances in our understanding of breast cancer have demonstrated that cancer stem-like cells (CSCs, also known as tumor-initiating cell (TICs)) are central for progression and recurrence. CSCs are a small subpopulation of cells present in breast tumors that contribute to growth, metastasis, therapy resistance, and recurrence, leading to poor clinical outcome. Data have shown that cancer cells can gain characteristics of CSCs, or stemness, through alterations in key signaling pathways. The dysregulation of miRNA expression and signaling have been well-documented in cancer, and recent studies have shown that miRNAs are associated with breast cancer initiation, progression, and recurrence through regulating CSC characteristics. More specifically, miRNAs directly target central signaling nodes within pathways that can drive the formation, maintenance, and even inhibition of the CSC population. This review aims to summarize these research findings specifically in the context of breast cancer. This review also discusses miRNAs as biomarkers and promising clinical therapeutics, and presents a comprehensive summary of currently validated targets involved in CSC-specific signaling pathways in breast cancer.
- Subjects
BREAST cancer; MICRORNA; TREATMENT effectiveness; CANCER cells; BREAST
- Publication
International Journal of Molecular Sciences, 2021, Vol 22, Issue 7, p3756
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms22073756