CD200R1 and acute myeloid leukemia: Also, CD300A was found to be positively associated with inhibitory immune checkpoints, such as C10orf54 (also known as VISTA), CD86, CD200R1, HAVCR2 (also known as Tim‐3), and the LILRB family genes (please refer to our unpublished work, DOI: 10.21203/rs.3.rs‐810,313/v1), all of which were reported to be overexpressed in AML cells and some of them may become promising therapeutic targets.60, 61, 62, 63, 64, 65