we previously found that a minor subfraction of the human genomic dna , corresponding to 2500-3000 nonrepetitive sequences of 3 kilobases each and designated as tumor-activated dna ( tadna ) was transcriptionally active in burkitt 's lymphoma cells and almost inactive in normal lymphocytes growing in vitro following integration of the epstein-barr virus genome .
C0006413
burkitt 's lymphoma
C0024264
lymphocytes