Esveldt-van Lange, R.

−/− es cells repair recombination mutation end-joining damage apoptosi microhomology use microhomology xpa −/− dna damage response pathway ligase genome tc-ner assay r e p i r 7 product strand protein dna ligase iv type es cells xpc −/− csb −/− cycle dna repair hamster cell lines defect apoptotic level mutant ficient apoptotic response result gg-ner sensitivity broblast chinese fi broblasts cell type genotoxic survival induction microhomology-directed end-joining substrate treatment van der horst philips tuv lamp rag 2 proteins lesion nucleotide excision repair hypersensitivity mechanism uv-induced excision reaction exposure cell cycle 1998. agent table dna double-strand rag 1 van zeeland speci ficiency bstxi wild-type fragment uv-light cell cycle block mouse v-h 4 genotoxic stress bstxi digestion block