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Published in The Journal of Chemical Physics, 2016
From applied mathematics perspective, we investigate the theoretical relations between different proposals to construct energy landscape function for bio-chemical system .
Recommended citation: Peijie Zhou and Tiejun Li. "Construction of the landscape for multi-stable systems: Potential landscape, quasi-potential, A-type integral and beyond." The Journal of Chemical Physics 144.9 (2016): 094109. https://aip.scitation.org/doi/abs/10.1063/1.4943096
Published in Nucleic Acids Research, 2020
We combine unsupervised machine learning and dynamical systems modeling to study the single-cell transcriptomic datasets from epithelial-mesenchymal transitions (EMT).
Recommended citation: Yutong Sha, Shuxiong Wang, Peijie Zhou, and Qing Nie. "Inference and multiscale model of epithelial-to-mesenchymal transition via single-cell transcriptomic data." Nucleic acids research 48, no. 17 (2020): 9505-9520. https://academic.oup.com/nar/article/48/17/9505/5900115?login=true
Published in Cancers, 2020
Combining single-cell transcriptome data analysis and stochastic dynamics modeling, we understand the mechanism of different response to immunotherapy between two types of skin cancers – melanoma and basal cell carcinoma (BCC).
Recommended citation: Dollinger, Emmanuel; Bergman, Daniel; Zhou, Peijie; Atwood, Scott X.; Nie, Qing. 2020. "Divergent Resistance Mechanisms to Immunotherapy Explain Responses in Different Skin Cancers" Cancers 12, no. 10: 2946. https://www.mdpi.com/2072-6694/12/10/2946
Published in Physical Review X, 2021
Combining single-cell experiment data analysis and stochastic dynamical system modeling, our results provide the direct evidence of in vivo stochastic cell-state transitions in single cells.
Recommended citation: Peijie Zhou, Xin Gao, Xiaoli Li, Linxi Li, Caoyuan Niu, Qi Ouyang, Huiqiang Lou, Tiejun Li and Fangting Li. "Stochasticity Triggers Activation of the S-phase Checkpoint Pathway in Budding Yeast". Physical Review X 11 (2021): 011004. https://journals.aps.org/prx/abstract/10.1103/PhysRevX.11.011004
Published in Frontiers in Genetics, 2021
Using single-cell transcriptomic datasets, we infer the cell–cell communications and the multilayer gene–gene regulation networks to analyze and visualize the complex cellular crosstalk and the underlying gene regulatory dynamics along epithelial-mesenchymal transitions (EMT)
Recommended citation: Yutong Sha, Shuxiong Wang, Federico Bocci, Peijie Zhou and Qing Nie (2021) Inference of Intercellular Communications and Multilayer Gene-Regulations of Epithelial–Mesenchymal Transition From Single-Cell Transcriptomic Data. Front. Genet. 11:604585. doi: 10.3389/fgene.2020.604585 https://www.frontiersin.org/articles/10.3389/fgene.2020.604585/full
Published in CSIAM Trans. Appl. Math., 2021
Deriving the analytical solution of the RNA velocity model from both deterministic and stochastic point of view; presenting the parameter inference framework based on the maximum likelihood estimate; proving the continuum limit of different downstream kernel-based methods
Recommended citation: Tiejun Li, Jifan Shi, Yichong Wu & Peijie Zhou. (2021). On the Mathematics of RNA Velocity I: Theoretical Analysis. CSIAM Transactions on Applied Mathematics. 2 (1).1-55. doi:10.4208/csiam-am.SO-2020-0001 https://global-sci.org/intro/article_detail/csiam-am/18653.html
Published in Briefings in Bioinformatics, 2021
Using molecular interaction network features to enhance the analysis of single-cell datasets
Recommended citation: Ji Dong, Peijie Zhou, Yichong Wu, Yidong Chen, Haoling Xie, Yuan Gao, Jiansen Lu, Jingwei Yang, Xiannian Zhang, Lu Wen, Tiejun Li, Fuchou Tang, Integrating single-cell datasets with ambiguous batch information by incorporating molecular network features, Briefings in Bioinformatics, 2021;, bbab366, https://doi.org/10.1093/bib/bbab366 https://academic.oup.com/bib/advance-article/doi/10.1093/bib/bbab366/6373559
Published in Nature Communications, 2021
Using multiscale dynamical system theory to analyze single-cell datasets, quantifying transition paths and dynamical manifold
Recommended citation: Zhou, Peijie, Shuxiong Wang, Tiejun Li, and Qing Nie. Dissecting transition cells from single-cell transcriptome data through multiscale stochastic dynamics. Nat Commun 12, 5609 (2021). https://doi.org/10.1038/s41467-021-25548-w https://doi.org/10.1038/s41467-021-25548-w
Published in Cancers, 2021
By integrating multiple analytical tools into a single computational framework, we investigated several single-cell RNA-sequencing (scRNA-seq) datasets and identified the emerging relationship between EMT, acquisition of CSC traits, and cell–cell communication.
Recommended citation: Bocci, F., Zhou, P. and Nie, Q., 2021. Single-Cell RNA-Seq Analysis Reveals the Acquisition of Cancer Stem Cell Traits and Increase of Cell–Cell Signaling during EMT Progression. Cancers, 13(22), p.5726. https://www.mdpi.com/2072-6694/13/22/5726
Published in Briefings in Bioinformatics, 2022
We introduce DURIAN (Deconvolution and mUltitask-Regression-based ImputAtioN), an integrative method using iterative scheme between bulk deconvolution and single-cell imputation for recovery of gene expression in single-cell RNA-seq data.
Recommended citation: Karikomi, Matthew, Peijie Zhou, and Qing Nie. "DURIAN: an integrative deconvolution and imputation method for robust signaling analysis of single-cell transcriptomics data." Briefings in Bioinformatics (2022). https://academic.oup.com/bib/advance-article/doi/10.1093/bib/bbac223
Published in Molecular Systems Biology, 2022
Using attractor Jacobian to infer cell type stability with mRNA splicing dynamics with scRNA-seq data
Recommended citation: Federico Bocci, Peijie Zhou and Qing Nie. spliceJAC: transition genes and state-specific gene regulation from single-cell transcriptome data. https://www.embopress.org/doi/full/10.15252/msb.202211176 https://doi.org/10.15252/msb.202211176
Published in Nature Genetics, 2023
Dissecting BRCA1-driven tumorigenesis with multiscale dynamical models.
Recommended citation: Nee, Kevin, et al. "Preneoplastic stromal cells promote BRCA1-mediated breast tumorigenesis." Nature Genetics 55.4 (2023): 595-606. https://www.nature.com/articles/s41588-023-01298-x
Published in Nucleic Acids Research, 2023
Identifying external signals received by the cells in the single-cell transcriptomics datasets by utilizing the prior knowledge of signaling pathways.
Recommended citation: Changhan He, Peijie Zhou, and Qing Nie. "exFINDER: identify external communication signals using single-cell transcriptomics data." Nucleic Acids Research 51.10 (2023): e58-e58. https://www.nature.com/articles/s41588-023-01298-x
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Undergraduate Upper Division/Graduate Course, Peking University,China, 2016
Mathematical Biophysics (2016 Fall)
Undergraduate Lower Division Course, University of California, Irvine, 2020
Math 9 Introduction to Programming in Numerical Analysis (2021 Fall,2022 Winter, 2022 Spring)