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Building a lineage from single cells: genetic techniques for cell lineage tracking.

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TLDR
A recent explosion of methodological advances in exogenous labelling and single-cell sequencing have enabled lineage tracking at larger scales, in more detail, and in a wider range of species than was previously considered possible.
Abstract
Lineage analyses of multicellular organisms provide key insights into developmental mechanisms and how these developmental trajectories go awry in diverse diseases. This Review discusses the features, technical challenges and latest opportunities of an evolving range of sophisticated genetic techniques for tracking cell lineages in organisms. These strategies include methods for prospective tracking using engineered genetic constructs, as well as retrospective tracking based on naturally occurring somatic mutations.

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SF-010-4 Distant metastasis occurs late during the genetic evolution of pancreatic cancer

TL;DR: A quantitative analysis of the timing of the genetic evolution of pancreatic cancer was performed, indicating at least a decade between the occurrence of the initiating mutation and the birth of the parental, non-metastatic founder cell.
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Integrated Single-Cell Analysis Maps the Continuous Regulatory Landscape of Human Hematopoietic Differentiation

TL;DR: A chromatin accessibility landscape of human hematopoiesis is constructed and variation consistent with lineage bias toward different developmental branches in multipotent cell types is found, providing a framework for integrative exploration of complex regulatory dynamics in a primary human tissue at single-cell resolution.
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Simultaneous single-cell profiling of lineages and cell types in the vertebrate brain.

TL;DR: ScGESTALT as discussed by the authors combines the lineage recording capabilities of GESTALT with cell-type identification by single-cell RNA sequencing, which relies on an inducible system that enables barcodes to be edited at multiple time points, capturing lineage information from later stages of development.
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Simultaneous lineage tracing and cell-type identification using CRISPR–Cas9-induced genetic scars

TL;DR: LINNAEUS (lineage tracing by nuclease-activated editing of ubiquitous sequences)—a strategy for simultaneous lineage tracing and transcriptome profiling in thousands of single cells for tracing the origin of novel cell types, or known cell types under different conditions.
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Lineage tracing on transcriptional landscapes links state to fate during differentiation

TL;DR: This work established how variation in transcriptional state biases future cell fate and whether scSeq is sufficient to completely distinguish cells with distinct fate biases and developed a tool called LARRY, which clonally tags cells with DNA barcodes that can be read using scSequ.
References
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Journal ArticleDOI

A method for stable transgenesis of radial glia lineage in rat neocortex by piggyBac mediated transposition

TL;DR: IUE is combined with a binary piggyBac transposon system (PB-IUE), and it is shown that unlike conventional IUE, a single embryonic transfection of neocortical radial glia with a piggybac transPOSon system results in stable transgene expression in the neural lineage of radial glianes.
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New and Improved Tools for In Utero Electroporation Studies of Developing Cerebral Cortex

TL;DR: In conditional rescue, expression of an RNA interference target is restored by tamoxifen-induced cre-mediated recombination, and an initial disruption in migration, and resultant malformation, caused by DCX RNAi was reversed by delayed re-expression of Dcx.
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The location of the pregut endoderm in the chick embryo at the primitive streak stage as determined by radioautographic mapping

TL;DR: The posterior intestinal portal develops by inversion of a circumscribed area of endoderm, forming the posterior gut, suggesting that gastrulation in the chick is similar to that of other chordates except that the archenteron is not completely formed until the most peripheral pregut cells in the hypoblast layer are drawn together ventrally like pursestring at the umbilicus.
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Somatic microsatellite mutations as molecular tumor clocks

TL;DR: The genetic legacy inherent to multistep tumorigenesis provides direct estimates of tumor ages, with up to thousands of cell divisions and high death rates necessary to yield the observed diversities.
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