Aregenerative Anemia, also known as refractory anemias, is related to diamond-blackfan anemia 1 and ghosal hematodiaphyseal dysplasia. An important gene associated with Aregenerative Anemia is TBXAS1 (Thromboxane A Synthase 1). Affiliated tissues include bone marrow and t cells, and related phenotypes are pallor and bone marrow hypocellularity