Its expression appears to be activated during pro-B-cell development , is abundant at the pre-B- and mature B- cell stages , but is absent in terminally differentiated plasma cells .
its expression appears to be activated during pro-b-cell development , is abundant at the pre-b- and mature b- cell stages , but is absent in terminally differentiated plasma cells .
O B-other_name O O O O O B-other_name I-other_name O O O O O O O O O O O O O O O O B-cell_type I-cell_type I-cell_type I-cell_type O