ERBB3 -> AKT PDK1 -> AKT AKT -> AKT p70S6K -> AKT mTOR -> AKT MEK1_2 -> ERK1_2 ERK1_2 -> ERK1_2 AKT -> mTOR mTOR -> mTOR PDK1 -> PDK1 ERBB3 -> PDK1 ERBB1 -> PDK1 ERBB2 -> PDK1 PDK1 -> ERBB2 trastuzumab -| ERBB2 pertuzumab -| ERBB2 erlotinib -| ERBB2 ERBB1 -> ERBB2 ERBB2 -> ERBB2 ERBB3 -> PLCg PLCg -> PLCg ERBB1 -> PLCg ERBB2 -> PLCg PKCa -> PKCa trastuzumab -> PKCa PLCg -> PKCa pertuzumab -| ERBB1 PLCg -> ERBB1 erlotinib -| ERBB1 ERBB1 -> ERBB1 EGF -> ERBB1 ERBB3 -> ERBB3 pertuzumab -| ERBB3 erlotinib -| ERBB3 HRG -> ERBB3 ERK1_2 -> ERBB3 erlotinib -> p70S6K AKT -> p70S6K p70S6K -> p70S6K mTOR -> p70S6K ERK1_2 -> p70S6K PDK1 -> MEK1_2 ERBB3 -> MEK1_2 MEK1_2 -> MEK1_2 ERBB1 -> MEK1_2 ERBB2 -> MEK1_2 $AKT: ((((ERBB3 | PDK1) | mTOR) | AKT) | p70S6K) $ERBB1: (((EGF & !(erlotinib | pertuzumab)) | (ERBB1 & !(erlotinib | pertuzumab))) | (PLCg & !(erlotinib | pertuzumab))) $ERBB2: (((ERBB2 & !((pertuzumab | trastuzumab) | erlotinib)) | (ERBB1 & !((pertuzumab | trastuzumab) | erlotinib))) | (PDK1 & !((pertuzumab | trastuzumab) | erlotinib))) $ERBB3: (((ERBB3 & !(erlotinib | pertuzumab)) | (HRG & !(erlotinib | pertuzumab))) | (ERK1_2 & !(erlotinib | pertuzumab))) $ERK1_2: (MEK1_2 | ERK1_2) $MEK1_2: ((((PDK1 | MEK1_2) | ERBB3) | ERBB1) | ERBB2) $PDK1: (((PDK1 | ERBB3) | ERBB1) | ERBB2) $PKCa: ((trastuzumab | PKCa) | PLCg) $PLCg: (((ERBB1 | ERBB2) | ERBB3) | PLCg) $mTOR: (mTOR | AKT) $p70S6K: ((((ERK1_2 | erlotinib) | AKT) | mTOR) | p70S6K)