3.776 IL13stimulation Kon_IL13Rec IL13 Rec cell STAT5_phosphorylation STAT5 pJAK2 cell pSTAT5_dephosphorylation pSTAT5 SHP1 cell pSTAT5 CD274mRNA_production cell Rec_intern Rec cell Rec_recycle Rec_i cell Rec_phosphorylation IL13_Rec pJAK2 cell JAK2_phosphorylation JAK2 IL13_Rec cell JAK2_phosphorylation JAK2 p_IL13_Rec cell pRec_intern p_IL13_Rec cell pRec_degradation p_IL13_Rec_i cell pJAK2_dephosphorylation pJAK2 SHP1 cell