Brain tumor cell lines resistant to O6-benzylguanine/1,3-bis(2-chloroethyl)-1-nitrosourea chemotherapy have O6-alkylguanine-DNA alkyltransferase mutations.
Bacolod MD, Johnson SP, Pegg AE, Dolan ME, Moschel RC, Bullock NS, Fang Q, Colvin OM, Modrich P, Bigner DD, Friedman HS. Brain tumor cell lines resistant to O6-benzylguanine/1,3-bis(2-chloroethyl)-1-nitrosourea chemotherapy have O6-alkylguanine-DNA alkyltransferase mutations. Mol Cancer Ther. 2004 Sep; 3(9):1127-35.