tokens: In addition , competitive single-cell RT-PCR was used to assay CD34 mRNA transcripts in sibling CD34 ( + ) CD38 ( - ) cells differentiating in unilineage erythroid cultures : this analysis allowed us to semiquantitate the gradual downmodulation of CD34 mRNA from progenitor cells through their differentiating erythroid progeny .
folded_tokens: in addition , competitive single-cell rt-pcr was used to assay cd34 mrna transcripts in sibling cd34 ( + ) cd38 ( - ) cells differentiating in unilineage erythroid cultures : this analysis allowed us to semiquantitate the gradual downmodulation of cd34 mrna from progenitor cells through their differentiating erythroid progeny .
labels: O O O O O B-other_name O O O O B-protein_molecule O O O B-cell_line B-protein_molecule O O O O O O O O O O B-cell_line I-cell_line I-cell_line O O O O O O O O O O O B-protein_molecule O O B-cell_type I-cell_type O O B-cell_line I-cell_line I-cell_line O