TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000282397
  • Gene Name:FLT1
  • mRNA database:Ensembl
  • mRNA expression :up-regulated
  • mRNA Method:qRT-PCR
  • mRNA Pathway:NA
  • Evidence:predicted
  • (mRNA-drug)

Drug basic information

  • Drug ID:NA
  • Drug Name:NA
  • Drug Method:NA

Disease basic infommation

  • Disease:breast cancer
  • Tissue:MCF-10A cell,MDA-MB-231 cell line

Other information

  • Title:MiR-507 inhibits the migration and invasion of human breastcancer cells through Flt-1 suppression.
  • Journal:Oncotarget
  • Published:2016
  • PubMed ID:27167339
  • Abstract:Vascular endothelial growth factor receptor-1/fms-related tyrosine kinase-1 (VEGFR-1/Flt-1) is a tyrosine kinase receptor that binds placental growth factor (PlGF). Flt-1 is also highly expressed in breast-cancer tissues and breast-cancer cell lines. However, the molecular mechanism by which Flt-1 promotes breast-cancer invasion and metastasis by binding to PlGF-1 is unclear. In this study, we discovered that PlGF-1 and Flt-1 played a key role in the migration and invasion of breast cancer. Flt-1 promoted the migration and chemotaxis of breast-cancer cells by binding to PlGF-1. In addition, Flt-1 was confirmed to be a direct target gene of miR-507. miR-507 up-regulation inhibited the invasion and metastasis of breast-cancer cells in vitro and in vivo. Flt-1 overexpression rescued the invasion partially caused by the ectopic expression of miR-507. miR-507 expression in breast-cancer tissues and cell lines was lower than that in adjacent non-neoplastic tissues and normal cells. Clinical analysis indicated that miR-507 was negatively correlated with tumor differentiation, lymphatic metastasis, and the expression of Flt-1 in breast cancer. Furthermore, we showed that miR-507 down-regulation was due to the hypermethylation of its promotor region. Our results indicated that miR-507 represented potential therapeutic targets in breast cancer by modulating Flt-1.
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