Transient transfection studies in HeLa cells , an E ( 2 ) receptor-negative line , suggest that E ( 2 ) inhibits TNF gene expression through an effect mediated by estrogen receptor beta ( ERbeta ) .
transient transfection studies in hela cells , an e ( 2 ) receptor-negative line , suggest that e ( 2 ) inhibits tnf gene expression through an effect mediated by estrogen receptor beta ( erbeta ) .
O O O O B-cell_line I-cell_line O O B-lipid I-lipid I-lipid I-lipid O O O O O B-lipid I-lipid I-lipid I-lipid O B-protein_molecule O O O O O O O B-lipid O O O B-protein_molecule O O