GATA1 and myelofibrosis: In addition, ribosomopathies affecting the efficiency of translation of GATA1 mRNA are associated, in addition to Diamond Blackfan Anemia (Ludwig et al., 2014), with primary myelofibrosis, the most severe of the Philadelphia-negative myeloproliferative disorders (Vannucchi et al., 2005; Gilles et al., 2017).