NewslettersMammary Cell NewsRNF8 Ubiquitylation of XRN2 Facilitates R-loop Resolution and Restrains Genomic Instability in BRCA1 Mutant CellsBy Bob - September 13, 20230247Investigators sought to identify novel targets to selectively kill BRCA1-mutant cancers. They reported that loss of RNF8 significantly protected Brca1-mutant mice against mammary tumorigenesis.[Nucleic Acids Research]Full ArticleGraphical Abstract