Major recent developments , including the identification of novel families of transcription factors that regulate multiple T-cell genes during thymocyte ontogeny and T-cell activation , are described .
major recent developments , including the identification of novel families of transcription factors that regulate multiple t-cell genes during thymocyte ontogeny and t-cell activation , are described .
O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O B-cell_type O O B-other_name I-other_name O B-cell_type O O O O O