1690
Here we have examined the ability of the cellular protein YB - 1 to modulate transcription of the HIV - 1 promoter in a human astrocytic cell line ( U - 87MG ) , a neuronal cell line ( SK - N - MC ) and lymphoid cells ( Jurkat ) by transfection assay .
 GENE: YB - 1; GENE: HIV - 1 promoter
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: YB - 1; GENE: HIV - 1 promoter