It plays an important role in modulating the balance of T helper ( Th ) cell subsets , favoring expansion of the Th2 lineage relative to Th1 .
it plays an important role in modulating the balance of t helper ( th ) cell subsets , favoring expansion of the th2 lineage relative to th1 .
O O O O O O O O O O B-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type I-cell_type O O O O O B-cell_type I-cell_type O O B-cell_type O