tokens: TCF-1 knock-out mice , generated recently in our laboratory , have strongly decreased numbers of thymocytes , but are otherwise normal .
folded_tokens: tcf-1 knock-out mice , generated recently in our laboratory , have strongly decreased numbers of thymocytes , but are otherwise normal .
labels: B-protein_molecule O O O O O O O O O O O O O O B-cell_type O O O O O O