TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000649815
  • Gene Name:AKT
  • mRNA database:Ensembl
  • mRNA expression :up-regulated
  • mRNA Method:RT-PCR
  • mRNA Pathway:NA
  • Evidence:predicted
  • (mRNA-drug)

Drug basic information

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

Disease basic infommation

  • Disease:medulloblastoma
  • Tissue:animals

Other information

  • Title:Oncogenic YAP promotes radioresistance and genomic instability in medulloblastoma through IGF2-mediated Akt activation.
  • Journal:Oncogene
  • Published:2012
  • PubMed ID:21874045
  • Abstract:Radiation therapy remains the standard of care for many cancers, including the malignant pediatric brain tumor medulloblastoma. Radiation leads to long-term side effects, whereas radioresistance contributes to tumor recurrence. Radio-resistant medulloblastoma cells occupy the perivascular niche. They express Yes-associated protein (YAP), a Sonic hedgehog (Shh) target markedly elevated in Shh-driven medulloblastomas. Here we report that YAP accelerates tumor growth and confers radioresistance, promoting ongoing proliferation after radiation. YAP activity enables cells to enter mitosis with un-repaired DNA through driving insulin-like growth factor 2 (IGF2) expression and Akt activation, resulting in ATM/Chk2 inactivation and abrogation of cell cycle checkpoints. Our results establish a central role for YAP in counteracting radiation-based therapies and driving genomic instability, and indicate the YAP/IGF2/Akt axis as a therapeutic target in medulloblastoma.
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