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- Title
Identification of leukemic and pre-leukemic stem cells by clonal tracking from single-cell transcriptomics.
- Authors
Velten, Lars; Story, Benjamin A.; Hernández-Malmierca, Pablo; Raffel, Simon; Leonce, Daniel R.; Milbank, Jennifer; Paulsen, Malte; Demir, Aykut; Szu-Tu, Chelsea; Frömel, Robert; Lutz, Christoph; Nowak, Daniel; Jann, Johann-Christoph; Pabst, Caroline; Boch, Tobias; Hofmann, Wolf-Karsten; Müller-Tidow, Carsten; Trumpp, Andreas; Haas, Simon; Steinmetz, Lars M.
- Abstract
Cancer stem cells drive disease progression and relapse in many types of cancer. Despite this, a thorough characterization of these cells remains elusive and with it the ability to eradicate cancer at its source. In acute myeloid leukemia (AML), leukemic stem cells (LSCs) underlie mortality but are difficult to isolate due to their low abundance and high similarity to healthy hematopoietic stem cells (HSCs). Here, we demonstrate that LSCs, HSCs, and pre-leukemic stem cells can be identified and molecularly profiled by combining single-cell transcriptomics with lineage tracing using both nuclear and mitochondrial somatic variants. While mutational status discriminates between healthy and cancerous cells, gene expression distinguishes stem cells and progenitor cell populations. Our approach enables the identification of LSC-specific gene expression programs and the characterization of differentiation blocks induced by leukemic mutations. Taken together, we demonstrate the power of single-cell multi-omic approaches in characterizing cancer stem cells. Leukaemic stem cells drive acute myeloid leukaemia (AML) progression and relapse but they are incompletely characterized. Here, the authors combine single-cell transcriptomics and clonal tracking using nuclear and mitochondrial somatic variants to distinguish healthy, pre-leukaemic and leukaemic stem cells in AML.
- Subjects
STEM cells; CLONE cells; ACUTE myeloid leukemia; HEMATOPOIETIC stem cells; CELL populations; CANCER stem cells
- Publication
Nature Communications, 2021, Vol 12, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-021-21650-1