Rec -> IL13_Rec Rec -> Rec_i Rec_i -> Rec IL13_Rec -> p_IL13_Rec JAK2 -> pJAK2 JAK2 -> pJAK2 p_IL13_Rec -> p_IL13_Rec_i p_IL13_Rec_i -> 0 pJAK2 -> JAK2 STAT5 -> pSTAT5 pSTAT5 -> STAT5 0 -> CD274mRNA