Oncogenes


  • Initially identified as viral gene
  • Proto-oncogenes
    • Genes within normal DNA of every cell
    • Mutated, activated → Product → Tumour
  • Influence is direct or indirect 
  • e.g. mitogen-activated protein kinase (MAPK) pathway
    • Amino acid substitutions @ 21 or 61 in Ras
    • Activating ERK MAPK pathway

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