| Chr | chr1 |
| start | 173863900 |
| end | 173868882 |
| lncRNA name | GAS5 |
| entrez id | 60674 |
| hgnc id | HGNC:16355 |
| ensg id | ENSG00000234741 |
| refseq id | NR_002578 |
| methods | microarray, qPCR etc. |
| regulated | down-regulated |
| function description | Expression of the lncRNA GAS5 was decreased in SKBR-3/Tr cells and in breast cancer tissue from trastuzumab-treated patients. Inhibition of GAS5 promoted SKBR-3 cell proliferation, and GAS5 knockdown partially reversed lapatinib-induced inhibition of SKBR-3/Tr cell proliferation. GAS5 suppresses cancer proliferation by acting as a molecular sponge for miR-21, leading to the de-repression of phosphatase and tensin homologs (PTEN), the endogenous target of miR-21. Moreover, mTOR activation associated with reduced GAS5 expression was required to suppress PTEN. |
| pubmed id | 27034004 |
| year | 2016 |
| title | Downregulation of LncRNA GAS5 causes trastuzumab resistance in breast cancer |
| drug | X |
| circulating | X |
| survival | V |
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