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CoSpar is a toolkit for dynamic inference from lineage-traced single cells.
The methods are based on Wang et al. Nat. Biotech. (2022) <https://www.nature.com/articles/s41587-022-01209-1>_.
Dynamic inference based on single-cell state measurement alone requires serious simplifications. On the other hand, direct dynamic measurement via lineage tracing only captures partial information and its interpretation is challenging. CoSpar integrates both state and lineage information to infer a finite-time transition map of a development/differentiation system. It gains superior robustness and accuracy by exploiting both the local coherence and sparsity of differentiation transitions, i.e., neighboring initial states share similar yet sparse fate outcomes. Building around the anndata <https://anndata.readthedocs.io>_ object, CoSpar provides an integrated analysis framework for datasets with both state and lineage information. When only state information is available, CoSpar also improves upon existing dynamic inference methods by imposing sparsity and coherence. It offers essential toolkits for analyzing lineage data, state information, or their integration.
See <https://cospar.readthedocs.io>_ for documentation and tutorials.
Our analysis of in vivo cell fate choice of HSCs from DARLIN mice, having only a single time point (with both lineage and transcriptome information in single cells). Ref: L. Li,...,S.-W. Wang, F. Camargo, Cell (2023) <https://doi.org/10.1016/j.cell.2023.09.019>_. Notebooks available here <https://github.com/ShouWenWang-Lab/DARLIN_notebooks>_. It is also available in the EXAMPLES session of this website.
Analysis of in vitro lineage tracing data of HSPCs in Jindal et.al., Nat. Biotech. (2023) <https://www.nature.com/articles/s41587-023-01931-4>_.
Jun 1: Single-Cell Data Science 2022 <https://singlecell2022.hku.hk/>_. This is a 20-min short talk focusing more on the utility of CoSpar: talk video <https://www.youtube.com/watch?v=HrDQpW3kJFo>__.
Oct 19, 2022: Invited MIA talk at Broad Institute <https://www.broadinstitute.org/talks/learning-cell-differentiation-dynamics-lineage-tracing-datasets>_. This is an one-hour talk focusing on the Machine Learning part of CoSpar: talk video <https://www.youtube.com/watch?v=rYzQUYPPNlU>__.
S.-W. Wang*, M. Herriges, K. Hurley, D. Kotton, A. M. Klein*, CoSpar identifies early cell fate biases from single cell transcriptomic and lineage information, Nat. Biotech. (2022) <https://www.nature.com/articles/s41587-022-01209-1>_. [* corresponding authors]
Feel free to submit an issue <https://github.com/ShouWenWang-Lab/cospar/issues/new/choose>
or send us an email <mailto:wangshouwen@westlake.edu.cn>.
Your help to improve CoSpar is highly appreciated.
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