Abstract
Normal karyotype acute myeloid leukemia (NK-AML) is a highly heterogeneous malignancy that resides within a complex immune microenvironment, complicating efforts to reveal the interaction between leukemia cells and immune cells. Understanding tumor-infiltrating T cells is crucial to the advancement of immune therapies and the improvement of the prognosis for NK-AML patients. We performed single-cell RNA sequencing on bone marrow cells from 5 NK-AML (M4/M5) patients and 1 normal donor and paired single-cell T cell receptor (TCR) sequencing on single T cells. As a result, we identified 8 T cell clusters based on the gene expression characteristics of each subset in NK-AML and described their developmental trajectories. In NK-AML patients, specific clusters, such as mucosal-associated invariant T cells (MAITs), were preferentially enriched and potentially clonally expanded. These transcriptome and TCR data analyses provide valuable insights and rich resources for understanding the immune environment of NK-AML.
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