tokens: We demonstrate here that the biological effect of PNU156804 in vitro is indistinguishable from UP : PNU156804 blocks human T cell proliferation in mid-late G1 , as determined by cell cycle analysis , expression of cyclins , and cyclin-dependent kinases and retinoblastoma phosphorylation .
folded_tokens: we demonstrate here that the biological effect of pnu156804 in vitro is indistinguishable from up : pnu156804 blocks human t cell proliferation in mid-late g1 , as determined by cell cycle analysis , expression of cyclins , and cyclin-dependent kinases and retinoblastoma phosphorylation .
labels: O O O O O O O O B-other_organic_compound O O O O O B-other_organic_compound O B-other_organic_compound O B-cell_type I-cell_type I-cell_type O O B-other_name I-other_name O O O O B-other_name I-other_name I-other_name O O O B-protein_family_or_group O O B-protein_family_or_group I-protein_family_or_group O B-other_name I-other_name O