Wild-type p53 renders mouse astrocytes resistant to 1,3-Bis(2-chloroethyl)-1-nitrosourea despite the absence of a p53-dependent cell cycle arrest [corrected].

Abstract excerpt

We examined the response of normal and p53-deficient mouse astrocytes to the alkylating agent 1,3-bis(2-chloroethyl)-l-nitrosourea (BCNU), a clinically useful DNA-damaging drug to which some human astrocytomas are resistant and some are sensitive. Astrocyte cultures were isolated from the cerebrums of wild-type, heterozygous, and knockout p53 neonatal mice and treated with various concentrations of BCNU....

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