Lnc2Cancer

Experimentally Supported Human LncRNA and Cancer Associations Database

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   LncRNA Name DSCAM-AS1
   Synonyms DSCAM-AS1, M41
   Region GRCh38_21:40383083-40385358    Sequence
   Ensembl ENSG00000235123
   RefSeq NR_038896
   Circulating
   Drug-resisitant
   Prognostic
   MiRNA
   Variant
   TF
   Methylation
   Cancer Name breast cancer
   ICD-0-3 C50  
   Methods RNA-seq, qRT-PCR, Western blot, in vitro knockdown, RNAi
   Sample cell lines (MCF-7, ZR-75.1, T-47D)
   Expression Pattern up-regulated
   Function Description

By the analysis of H3K27ac enrichment in hormone-deprived MCF-7 cells, we defined a set of Super Enhancers (SEs) occupied by apoERa, including one mapped in proximity of the DSCAM-AS1 lncRNA gene.This represents a paradigm of apoERa activity since its expression is largely unaffected by estrogenic treatment,despite the fact that E2 increases ERa binding on DSCAM-AS1 promoter. We validated the enrichment of apoERa, p300, GATA3, FoxM1 and CTCF at both DSCAM-AS1 TSS and at its associated SE by ChIP-qPCR. Furthermore, by analyzing MCF-7 ChIA-PET data and by 3C assays, we confirmed long range chromatin interaction between the SE and the DSCAM-AS1 TSS. Interestingly, CTCF and p300 binding showed an enrichment in hormone-depleted medium and in the presence of ERa, elucidating the dynamics of the estrogen-independent regulation of DSCAM-AS1 expression.The most significant down-regulated lncRNAs were RP11-68L18.1, MIR9-3HG, and LINC01016, whereas NKILA, AC144831.1, and LINC00657 were the most significant up-regulated lncRNAs

   Pubmed ID 29462945
   Year 2018
   Title Luminal lncRNAs Regulation by ERa-Controlled Enhancers in a Ligand-Independent Manner in Breast Cancer Cells.
   External Links
   Links for  DSCAM-AS1 GenBank       HGNC       lncrnadb       Noncode
   Links for  breast cancer Omim       Cosmic

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