TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000673742
  • Gene Name:CASP8
  • mRNA database:Ensembl
  • mRNA expression :down-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:osteosarcoma
  • Tissue:Human osteosarcoma cell line SAOS-2

Other information

  • Title:MicroRNA-21 Inhibits the Apoptosis of Osteosarcoma Cell Line SAOS-2 via Targeting Caspase 8.
  • Journal:Oncology research
  • Published:2017
  • PubMed ID:28109080
  • Abstract:Currently, multiple microRNAs (miRNAs) have been found to play vital roles in the pathogenesis of osteosarcoma. This study aimed to investigate the role of miR-21 in osteosarcoma. The level of miR-21 in 20 pairs of osteosarcoma and corresponding adjacent tissues was monitored by qPCR. Human osteosarcoma cell line SAOS-2 was transfected with either miR-21 mimic or miR-21 inhibitor, and then cell viability, survival, and apoptosis were measured by MTT, colony formation assay, and flow cytometry. A target of miR-21 was predicted by the microRNA.org database and verified in vitro by using luciferase reporter, qPCR, and Western blot analyses. Finally, cells were cotransfected with siRNA against caspase 8 and miR-21 inhibitor, and the apoptotic cell rate was determined again. Results showed that the mRNA level of miR-21 was highly expressed in osteosarcoma tissues compared with adjacent tissues. Overexpression of miR-21 improved cell viability and survival but suppressed apoptosis. Caspase 8 was a direct target of miR-21, and it was negatively regulated by miR-21. Moreover, miR-21 suppression attenuated caspase 8 silencing and induced the decrease in apoptosis. In conclusion, overexpression of miR-21 suppressed SAOS-2 cell apoptosis via directly targeting caspase 8.
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