Trajectory of chemical cocktail-induced neutrophil reprogramming

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Abstract

Hematopoietic reprogramming holds great promise for generating functional target cells and provides new angle for understanding hematopoiesis. We reported before for the first time that diverse differentiated hematopoietic cell lineages could be reprogrammed back into hematopoietic stem/progenitor cell-like cells by chemical cocktail. However, the exact cell types of induced cells and reprogramming trajectory remain elusive. Here, based on genetic tracing method CellTagging and single-cell RNA sequencing, it is found that neutrophils could be reprogrammed into multipotent progenitors, which acquire multi-differentiation potential both in vitro and in vivo, including into lymphoid cells. Construction of trajectory map of the reprogramming procession shows that mature neutrophils follow their canonical developmental route reversely into immature ones, premature ones, granulocyte/monocyte progenitors, common myeloid progenitors, and then the terminal cells, which is stage by stage or skips intermediate stages. Collectively, this study provides a precise dissection of hematopoietic reprogramming procession and sheds light on chemical cocktail-induction of hematopoietic stem cells.

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Zhou, Y., Wei, C., Xiong, S., Dong, L., Chen, Z., Chen, S. J., & Cheng, L. (2020, December 1). Trajectory of chemical cocktail-induced neutrophil reprogramming. Journal of Hematology and Oncology. BioMed Central Ltd. https://doi.org/10.1186/s13045-020-01008-8

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