redPATH reconstructs the pseudo development time of cell lineages in single-cell RNA-seq data. It formulates the problem of pseudo temporal ordering into a Hamiltonian path problem and attempts to recover the pseudo development time in single-cell RNA-seq datasets. We provide a comprehensive analysis software tool with robust performance.
## Table of content
- [Installation](#installation)
- [Required Packages](#required_packages)
- [Install](#install)
- [Example Usage](#example_usage)
- [Preprocessing](#preprocessing)
- [redPATH pseudotime](#redpath_pseudotime)
- [Biological Analysis](#bio_analysis)
- [Citation](#cite)
- [Maintenance](#maintenance)
## Installation
### - Required Packages
car, combinat, doParallel, dplyr, energy, ggplot2, GOsummaries, gplots, MASS, mclust, minerva, plotly, Rcpp, RcppArmadillo, scater
### - Install
After downloading the package, please extract and rename the folder to "redPATH"
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## Example Usage:
### - Preprocessing
Assuming your input data is a m genes (rows) by n cells (cols) matrix.
Here, a neural stem cell (145 cells) dataset from 2015 (1) is used as an example analysis and a diseased example (MGH107 - 252 cells) dataset is also provided from 2017 (2).
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An optional function is also available to identify the G0-like cells:
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### - redPATH pseudotime
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### - Biological Analysis
#### 1. Discovery of potential marker genes
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#### 2. Heatmap & Gene Ontology Analysis
##### - Producing heatmaps
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##### - Gene Ontology plots
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#### 3. 3D Cell proliferation and differentiation plots:
##### - 3D plot with cell type labels and cell cycle stages
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##### - Plot with marker gene
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## Citation & References
This work is currently under submission. Reconstructing the pseudo development time of cell lineages in single-cell RNA-seq data and applications in cancer.
References:
###### 1. Llorens-Bobadilla, E., Zhao, S., Baser, A., Saiz-Castro, G., Zwadlo, K. and Martin-Villalba, A. (2015) Single-Cell Transcriptomics Reveals a Population of Dormant Neural Stem Cells that Become Activated upon Brain Injury. Cell Stem Cell, 17, 329-340.
###### 2. Venteicher, A.S., Tirosh, I., Hebert, C., Yizhak, K., Neftel, C., Filbin, M.G., Hovestadt, V., Escalante, L.E., Shaw, M.L., Rodman, C. et al. (2017) Decoupling genetics, lineages, and microenvironment in IDH-mutant gliomas by single-cell RNA-seq. Science, 355.
## Maintenance
If there's any questions / problems regarding redPATH, please feel free to contact Ken Xie - xkk17@mails.tsinghua.edu.cn. Thank you!
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