in contrast , the cell surface tac antigen expression was demonstrable on 6 of 10 b cell lines from patients with burkitt 's lymphoma , 5 of 6 b cell lines derived from patients with htlv-i-associated adult t cell leukemia ( including all four that had integrated htlv-i into their genome ) , and on certain normal b cells activated with pokeweed mitogen .
C0006413
burkitt 's lymphoma
C0004561
b cell