tokens: Fetal thymocytes infected with adenovirus containing mut-I kappa B were found to develop normally until the CD44 -CD25+ , CD4 - CD8 - double-negative stage , while production of more mature double-positive and single-positive populations was strongly decreased .
folded_tokens: fetal thymocytes infected with adenovirus containing mut-i kappa b were found to develop normally until the cd44 -cd25+ , cd4 - cd8 - double-negative stage , while production of more mature double-positive and single-positive populations was strongly decreased .
labels: B-cell_type I-cell_type O O B-virus O B-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O B-protein_molecule O O B-protein_molecule O B-protein_molecule O O O O O O O O B-other_name I-other_name O B-other_name I-other_name O O O O