RTEL1 and hereditary disease: Several mutations in the human Rtel1 gene have been associated to genetic diseases, such as familial Pulmonary Fibrosis and Hoyeraal‐Hreidarsson syndrome, a severe form of Dyskeratosis Congenita characterized by accelerated telomere shortening and a multisystem bone‐marrow failure (Ballew et al., 2013; Deng et al., 2013; LeGuen et al., 2013).