FANCA and Friedreich ataxia: Taking into account that Fanconi anemia (FA) proteins participate in HDR (Taniguchi et al, 2002; Yamamoto et al, 2003; Niedzwiedz et al, 2004; Yang et al, 2005; Nakanishi et al, 2011) and coordinate the action of multiple DNA repair processes, including the action of different nucleases and homologous recombination (see reviews in Kee & D'Andrea, 2010; Kottemann & Smogorzewska, 2013; Moldovan & D'Andrea, 2009), we aimed to investigate for the first time the possibility of conducting a targeted gene therapy strategy in FA cells.