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  1. ...), including HER2-driven breast cancer and BRAF-driven melanoma and colorectal cell lines.The SPLINTR (single-cell profiling and lineage tracing) approach was recently employed to investigate nonheritable genetic determinants in clonal dynamics within AML, in which the oncogenic fusions of the MLL1 gene...
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  2. ..., Tallahassee, Florida 32306, USA Corresponding author: xfan2@fsu.eduAbstractSingle-cell DNA sequencing enables the construction of evolutionary trees that can reveal how tumors gain mutations and grow. Different whole- amplification procedures render genomic materials of different characteristics, often...
  3. ...studies characterize clonal diversity using bulk DNA sequencing (Oesper et al. 2013; Ha et al. 2014; Li and Li 2014; Zhang et al. 2014; Deshwar et al. 2015), which is limited to reporting only an average signal from complex populations of cells (Navin 2015). Single-cell sequencing (SCS) technology enables...
  4. .... 2021). Because of the high level of sparsity in the mutation calls, we clustered single cells before constructing the mutation tree. We observed a high level of heterogeneity in terms of lesion of origin and sampling locations in the cell clusters (Supplemental Fig. S18), which makes inferring simple...
  5. ...). Another problem with SCS data is missing entries due to coverage nonuniformity (Zafar et al. 2018).Single-cell somatic point mutation profiles have been used to infer clonal subpopulations. Early studies (Li et al. 2012; Wang et al. 2014) used multidimensional scaling and hierarchical clustering...
  6. ...that are sensitive to the noise characteristics of SCS data, while incorporating the assumptions of the clonal theory of cancer evolution to tumor evolution modeling.We note that a final additional source of noise is doublets, two (or rarely more) cells with heterogeneous mutation profiles treated as a single cell...
  7. ...is likely to be observed in practice. For bulk studies of admixed samples of cell, violations of the ISA may be obscured since mutational profiles are amalgamated before sequencing. Theymay therefore be challenging to detect when deconvolving the sample and reconstructing the tumor phylogeny. Single-cell...
  8. ...intra-tumor heterogeneity at the primary and metastatic tumor sites. To address this problem, we developed a highly multiplexed single-cell DNA sequencing approach to trace the metastatic lineages of two CRC patients with matched liver metastases. Single-cell copy number or mutational profiling...
  9. ...branches, thus creating a cohesive expression profile in each CLL sample despite the presence of genetic heterogeneity. Our study highlights the potential for single-cell RNA-based targeted analysis to sensitively determine transcriptional and mutational profiles of individual cancer cells, leading...
  10. .... (2015) 25858951 Multiplexed single-cell copy number profiling to study clonal diversity in breast tumors Xenografts Breast xenografts DNA-SCS Eirew et al. (2014) 25470049 Clonal dynamics and evolution in xenografts Cell lines Colon DNA-SCS Zong et al. (2012) 23258894 Mutation rates in a colon cancer...
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