tokens: RNA extracted from uninduced , ATRA -induced CD38+ cells , and vitamin D3 treated maturing cell cultures were amplified using the degenerate primers .
folded_tokens: rna extracted from uninduced , atra -induced cd38+ cells , and vitamin d3 treated maturing cell cultures were amplified using the degenerate primers .
labels: O O O O O B-other_organic_compound O B-cell_type I-cell_type O O B-other_organic_compound I-other_organic_compound O O O O O O O O B-polynucleotide I-polynucleotide O