These results provide evidence that Jak1 expression is required for mediating tyrosine phosphorylation and activation of crucial molecules involved in IL-4 signal transduction .
these results provide evidence that jak1 expression is required for mediating tyrosine phosphorylation and activation of crucial molecules involved in il-4 signal transduction .
O O O O O B-protein_molecule O O O O O B-amino_acid_monomer O O O O O O O O B-protein_molecule O O O