title: Do radiation-induced thioguanine-resistant mutants of cultured mammalian cells arise by HGPRT gene mutation or X-chromosome rearrangement?
mesh_terms: D002478:Cells, Cultured; D002869:Chromosome Aberrations; D002872:Chromosome Deletion; D004351:Drug Resistance / Q000528:radiation effects*; D005260:Female; D005796:Genes; D005954:Glucosephosphate Dehydrogenase / Q000235:genetics; D007041:Hypoxanthine Phosphoribosyltransferase / Q000172:deficiency / Q000235:genetics*; D009154:Mutation / Q000528:radiation effects; D012730:Sex Chromosomes / Q000528:radiation effects*; D013866:Thioguanine / Q000494:pharmacology*; D014960:X Chromosome / Q000528:radiation effects* / Q000648:ultrastructure
chemical_list: D005954:Glucosephosphate Dehydrogenase; D007041:Hypoxanthine Phosphoribosyltransferase; D013866:Thioguanine