However, recent progress in omics technologies and the discounts in costs in such investigations, as well as the use of the appropriate animal models, such as the Pax5/- and Sca1-ETV6-Runx1 mice model, have facilitated the growing increase in the number of research studies on microbiomes in both adult and children leukemia [28,29]. Here, RUNX1 is linked to leukemia.