CLEC12A and myelodysplastic syndrome: Notably, CLL-1 was found to be expressed at high levels, particularly in various HSPC fractions of MDS-EB patients, including HSCs, multipotent progenitors (MPPs), lymphoid-primed multipotent progenitors (LMPPs), common myeloid progenitors (CMPs), and megakaryocytic-erythroid progenitors (MEPs).