Transcriptomics

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MALINC1 a Novel Oncogenic Long Non-Coding RNA Associated with Early Stage Breast Cancer Progression


ABSTRACT: The long-non-coding MALINC1 intergenic RNA (also known as LINC001024) was identified as significantly upregulated in breast ductal carcinoma in situ (DCIS). The aim of this study was to characterize the MALINC1 expression and localization, their phenotypic and molecular effects in non-invasive and invasive breast cancer models. We determined that MALINC1 is a E2-ER modulated lncRNA enriched in the cytoplasmic fraction of luminal A/B breast cancer cells that is associated with worse overall survival in patients with primary invasive breast carcinomas (p=0.027). Transcriptomic studies (RNA-seq) in normal and DCIS cells identified the main signaling pathways modulated by MALINC1 which include bioprocesses related to extracellular matrix remodeling, epithelial cell migration, adhesion, proliferation, and activation of AP1 signaling pathway. We conclude that MALINC1 over-expression behaves as an oncogenic lncRNA both in normal and DCIS breast cells involved with early-stage breast cancer progression.

ORGANISM(S): Homo sapiens

PROVIDER: GSE194150 | GEO | 2022/06/30

REPOSITORIES: GEO

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