期刊
FRONTIERS IN IMMUNOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2021.788891
关键词
copy number variants (CNV); somatic nuclear mutation; mitochondrial DNA mutation; single nucleotide polymorphism; B cell receptor sequence; T cell receptor sequence; allogeneic hematopoietic stem cell transplantation (allo-HCT); single-cell sequencing
类别
Blood malignancies offer unique opportunities for studying disease evolution and monitoring anti-tumor immune changes. The development of single-cell sequencing technologies allows us to delve into the underlying mechanisms at an unprecedented level of detail. The identification of molecular events as in-vivo barcodes enables tracking of malignant and immune cell populations over time.
Blood malignancies provide unique opportunities for longitudinal tracking of disease evolution following therapeutic bottlenecks and for the monitoring of changes in anti-tumor immunity. The expanding development of multi-modal single-cell sequencing technologies affords newer platforms to elucidate the mechanisms underlying these processes at unprecedented resolution. Furthermore, the identification of molecular events that can serve as in-vivo barcodes now facilitate the tracking of the trajectories of malignant and of immune cell populations over time within primary human samples, as these permit unambiguous identification of the clonal lineage of cell populations within heterogeneous phenotypes. Here, we provide an overview of the potential for chromosomal copy number changes, somatic nuclear and mitochondrial DNA mutations, single nucleotide polymorphisms, and T and B cell receptor sequences to serve as personal natural barcodes and review technical implementations in single-cell analysis workflows. Applications of these methodologies include the study of acquired therapeutic resistance and the dissection of donor- and host cellular interactions in the context of allogeneic hematopoietic stem cell transplantation.
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