4Preuss I, Eberhagen I, Haas S, et al. Mammalian O^6 alkyluanine DNA alkyltransferase: regulation and importance in response to alkylating carcinogenic and therapeutic agents [ J ]. Int J Cancer, 1995, 61 ( 3 ) :321-326.
6Bobola MS, Blank A, Berger MS, et al. Contribution of O^6-to resistance to 1, 3- (2-chloroethyl) -1-nitrosourea in human brain tumor-derived cell lines [J]. Mol Carcinogenesis, 1995, 13: 81.
9[2]INGRID E,MICHAEL E,BEMD K,et al.Detection of O6-methylguanine-DNA-methyltransferase expression in human tumors by means of in situ hybridization[J].Anticancer Res,1995,159(10):768-770.
10[5]KOKKINAKIS D M,AHMED M M,DELGADO R,et al.O6-methylguanine-DNA-methyl transferase in the resistance of pancreatic tumors to DNA alkylating agents[J].Cancer Res,1997,57 (23):5360-5363.