1144
However, in either EL-4 (T) cells or S194 cells , both lower-affinity sites can be significantly induced by the tax gene product of human T-cell leukemia virus type I , showing that NF-kappa B activity can be modulated even in a B-cell line that constitutively expresses this factor.
 cell line: B-cell line; protein: tax gene product; cell line: S194 cells; cell line: EL-4 (T) cells; protein: NF-kappa B
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell line: B-cell line; protein: tax gene product; cell line: S194 cells; cell line: EL-4 (T) cells; protein: NF-kappa B