tokens: The proliferation and NK activity of YT-N17 ( a human NK-like cell line ) were enhanced by 17 beta-estradiol ( E2 ) , and the enhancement was blocked by tamoxifen ( Tx ) , an antagonist of E2 .
folded_tokens: the proliferation and nk activity of yt-n17 ( a human nk-like cell line ) were enhanced by 17 beta-estradiol ( e2 ) , and the enhancement was blocked by tamoxifen ( tx ) , an antagonist of e2 .
labels: O O O B-other_name I-other_name O B-cell_line O O B-cell_line I-cell_line I-cell_line I-cell_line O O O O B-lipid I-lipid O B-lipid O O O O O O O O B-lipid O B-lipid O O O O O B-lipid O