ArticleCurrent issues in molecular biology2025
USP30-AS1 Dictates Breast Cancer Cell Fate and Chemoresistance via a miR-3646/FZD7/Wnt/β-Catenin Circuit.
Article in Current issues in molecular biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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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
1 citing paper in PubMed.
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6 authors.
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Abstract
Cancer stem cells (CSCs) play a pivotal role in promoting tumorigenesis, drug resistance, invasion, and metastasis. Recent studies indicate that long non-coding RNAs (LncRNAs) directly or indirectly regulate CSCs, influencing tumor progression. This study investigated the role of LncRNA USP30-AS1 in maintaining stemness and chemoresistance in breast cancer. USP30-AS1 was significantly upregulated in BCSC-enriched mammospheres derived from MDA-MB-231 and MCF-7 cell lines, where it correlated with elevated stemness markers (CD44, ALDH1A1, OCT4) and an increased proportion of ALDH+ cells. Functional experiments demonstrated that knockdown of USP30-AS1 reduced spheroid formation, stemness marker expression, chemoresistance, migration, and invasion, while its overexpression promoted these phenotypes. Mechanistically, USP30-AS1 acts as a competing endogenous RNA (ceRNA) by sponging miR-3646, which leads to the derepression of Frizzled-7 (FZD7) and subsequent activation of the Wnt/β-catenin signaling pathway. These findings identify USP30-AS1 as a critical promoter of stemness, chemoresistance, and metastasis in BCSCs via the miR-3646/FZD7/Wnt axis, suggesting it is a potential therapeutic target for breast cancer intervention.
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