NGF + TrkA -> NGF_TrkA NGF_TrkA -> NGF + TrkA Akt + pTrkA -> pTrkA_Akt pTrkA_Akt -> Akt + pTrkA pTrkA_Akt -> pAkt + pTrkA pTrkA -> 0 S6 + pAkt -> pAkt_S6 pAkt_S6 -> S6 + pAkt pAkt_S6 -> pAkt + pS6 pAkt -> Akt pS6 -> S6 pro_TrkA -> TrkA NGF_TrkA -> pTrkA TrkA -> 0