ArticleCancer genomics & proteomics
lincRNA-RP11400K9.4 Regulates Cell Survival and Migration of Breast Cancer Cells.
Article in Cancer genomics & proteomics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- PDPK1 activates BIRC3 via NFKB1 to promote radiotherapy resistance in lung adenocarcinoma.Cancer cell international · 2026Article
- Hypoxia Signaling and Non-Coding RNAs: Regulatory Networks and Therapeutic Implications in Breast Cancer.Current issues in molecular biology · 2026Review
- Review
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND/
aimSeveral works in the past decades pointed out the key role of long intergenic non-coding RNA (lincRNA) in breast cancer development. Here in we report for first time the importance of deregulation of lincRNA RP11-400K9.4 in breast cancer cells which played a role in cell survival and migration. MATERIALS AND
methodsAfter RP11-400K9.4 silencing by short hairpin RNAs or overexpression by GeneBlocks, real-time quantitative polymerase chain reaction (RT-PCR), microarray, migration, proliferation and viability assay were performed.
resultsRP11-400K9.4 expression was mainly in the cytoplasmic fraction in 2D culture. Overexpression of RP11-400K9.4 led to a reduction of migration by MCF-7 and MDA-MB-368 cells and an increase in cellular survival after UV-C radiation. Bioinformatic analyses highlighted irradiation-induced DNA damage, DNA repair and cell-cycle pathways as the mainly affected by RP11-400K9.4. Furthermore RT-PCR assay demonstrated the overexpression of baculoviral IAP repeat containing 3 (BIRC3) a known oncogene that promotes radiotherapy resistance through the nuclear factor kappa B (NFĸB) pathway.
conclusionRP11-400K9.4 participates in the modulation of migration and survival processes probably via the BIRC3/NFĸB pathway.
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