We show here that helenalin , and , to a much lesser degree , 11alpha , 13-dihydrohelenalin and chamissonolid , inhibit activation of transcription factor NF-kappaB .
we show here that helenalin , and , to a much lesser degree , 11alpha , 13-dihydrohelenalin and chamissonolid , inhibit activation of transcription factor nf-kappab .
O O O O B-other_organic_compound O O O O O O O O O B-other_organic_compound I-other_organic_compound I-other_organic_compound O B-other_organic_compound O O O O B-protein_family_or_group I-protein_family_or_group B-protein_complex O