BioX Future Interdisciplinary Technology Mathematics Information Life Sciences

Welcome to Chen's Lab at Nankai University.
X for Future, Interdisciplinary, and Technology.

Research

We focus on the interrogation of cell heterogeneity and biological implication in single-cell omics data via mathematical methods and information technologies.

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Missing-data imputation

Impute missing data modalities and enhance highly noisy single-cell data via transfer learning.

Cell heterogeneity characterization

Characterize cell heterogeneity in single-cell data via reference-based unsupervised learning.

Cell type annotation

Annotate cell types in single-cell data automatically via ensemble-based supervised learning.

Cell type-specific pattern elucidation

Elucidate cell type-specific patterns in single-cell data via interpretable machine learning.

News


Publications

  • All
  • Preprints
  • 2024
  • 2023
  • 2022
  • 2017-2021

† first authors with equal contribution, * corresponding authors

Heyang Hua†, Wenxin Long†, Yan Pan†, Siyu Li, Shengquan Chen*. scCrab: a reference-guided ensemble method for cancer cell identification via Bayesian neural networks.

Qiuchen Meng†, Xinze Wu†, Chen Li, Jiaqi Li, Xi Xi, Sijie Chen, Shengquan Chen, Jiaqi Li, Xiaowo Wang, Rui Jiang, Lei Wei*, Xuegong Zhang*. The full set of potential open regions (PORs) in the human genome defined by consensus peaks of ATAC-seq data.

[29] Qun Jiang†, Shengquan Chen†, Xiaoyang Chen, Rui Jiang*. scPRAM accurately predicts single-cell gene expression perturbation response based on attention mechanism. Bioinformatics, 2024, Accepted. [link, code]

[28] Zijing Gao, Rui Jiang, Shengquan Chen*. OpenAnnotateApi: Python and R packages to efficiently annotate and analyze chromatin accessibility of genomic regions. Bioinformatics Advances, 2024, vbae055. [link, code]

[27] Sijie Li, Yuxi Li, Yu Sun, Yaru Li, Xiaoyang Chen, Songming Tang, Shengquan Chen*. EpiCarousel: memory- and time-efficient identification of metacells for atlas-level single-cell chromatin accessibility data. Bioinformatics, 2024, btae191. [link, code]

[26] Yichuan Cao, Xiamiao Zhao, Songming Tang, Qun Jiang, Sijie Li, Siyu Li, Shengquan Chen*. scButterfly: a versatile single-cell cross-modality translation method via dual-aligned variational autoencoders. Nature Communications, 2024, 15:2973. [link, code]

[25] Xuejian Cui, Xiaoyang Chen, Zhen Li, Zijing Gao, Shengquan Chen*, Rui Jiang*. Discrete latent embedding interpretably unveils cell heterogeneity for single-cell chromatin accessibility sequencing data. Nature Computational Science, 2024, Accepted. [link, code]

[24] Yuhang Jia†, Siyu Li†, Rui Jiang, Shengquan Chen*. Accurate annotation for differentiating and imbalanced cell types in single-cell chromatin accessibility data. IEEE/ACM Transactions on Computational Biology and Bioinformatics, 2024, Online. [link, code]

[23] Songming Tang, Xuejian Cui, Rongxiang Wang, Sijie Li, Siyu Li, Xin Huang, Shengquan Chen*. scCASE: accurate and interpretable enhancement for single-cell chromatin accessibility sequencing data. Nature Communications, 2024, 15:1629. [link, code]

[22] Haixin Wang†, Yunhan Wang†, Qun Jiang†, Yan Zhang*, Shengquan Chen*. SCREEN: predicting single-cell gene expression perturbation responses via optimal transport. Frontiers of Computer Science, 2024, Online. [link, code]

[21] Keyi Li†, Xiaoyang Chen†, Shuang Song, Lin Hou, Shengquan Chen*, Rui Jiang*. Cofea: correlation-based feature selection for single-cell chromatin accessibility data. Briefings in Bioinformatics, 2024, bbad458. [link, code]

[20] Wenhao Zhang, Rui Jiang, Shengquan Chen*, Ying Wang*. scIBD: a self-supervised iterative-optimizing model for boosting the detection of heterotypic doublets in single-cell chromatin accessibility data. Genome Biology, 2023, 24:225. [link, code]

[19] Zijing Gao†, Xiaoyang Chen†, Zhen Li†, Xuejian Cui†, Qun Jiang, Keyi Li, Shengquan Chen*, Rui Jiang*. scEpiTools: a database to comprehensively interrogate analytic tools for single-cell epigenomic data. Journal of Genetics and Genomics, 2023, Online. [link, tool]

[18] Zhen Li, Xiaoyang Chen, Xuegong Zhang, Rui Jiang, Shengquan Chen*. Latent feature extraction with a Prior-based self-Attention framework for Spatial Transcriptomics. Genome Research, 2023, Online. [link, code]

[17] Chen Li†, Xiaoyang Chen†, Shengquan Chen, Rui Jiang*, Xuegong Zhang*. simCAS: an embedding-based method for simulating single-cell chromatin accessibility sequencing data. Bioinformatics, 2023, btad453. [link, code]

[16] Siyu Li, Songming Tang, Yunchang Wang, Sijie Li, Yuhang Jia, Shengquan Chen*. Accurate cell type annotation for single-cell chromatin accessibility data via contrastive learning and reference guidance. Quantitative Biology, 2023, Online. [link, code]

[15] Rui Jiang, Zhen Li, Yuhang Jia, Siyu Li, Shengquan Chen*. SINFONIA: scalable identification of spatially variable genes for deciphering spatial domains. Cells, 2023, 12(4):604. [link, code]

[14] Shengquan Chen*, Rongxiang Wang, Wenxin Long, Rui Jiang*. ASTER: accurately estimating the number of cell types in single-cell chromatin accessibility data. Bioinformatics, 2022, btac842. [link, code]

[13] Zheng Zhang, Shengquan Chen, Zhixiang Lin*. RefTM: reference-guided topic modeling of single-cell chromatin accessibility data. Briefings in Bioinformatics, 2022, bbac540. [link, code]

[12] Xiaoyang Chen†, Shengquan Chen†, Shuang Song, Zijing Gao, Lin Hou, Xuegong Zhang, Hairong Lv, Rui Jiang*. Cell type annotation of single-cell chromatin accessibility data via supervised Bayesian embedding. Nature Machine Intelligence, 2022, 4:116-126. [link, code]

[11] Xi Xi, Haochen Li, Shengquan Chen, Tingting Lv, Tianxing Ma, Rui Jiang, Ping Zhang, Wing Hung Wong*, Xuegong Zhang*. Unfolding the genotype-to-phenotype black box of cardiovascular diseases through cross-scale modeling. iScience, 2022, 25(8):104790. [link, code]

[10] Shengquan Chen†, Guanao Yan†, Wenyu Zhang, Jinzhao Li, Rui Jiang*, Zhixiang Lin*. RA3 is a reference-guided approach for epigenetic characterization of single cells. Nature Communications, 2021, 12:2177. [link, code]

[9] Shengquan Chen, Qiao Liu, Xuejian Cui, Zhanying Feng, Chunquan Li, Xiaowo Wang, Xuegong Zhang, Yong Wang, Rui Jiang*. OpenAnnotate: a web server to annotate the chromatin accessibility of genomic regions. Nucleic Acids Research, 2021, 49(W1):W483-W490. [link, tool]

[8] Wanwen Zeng†, Shengquan Chen†, Xuejian Cui†, Xiaoyang Chen, Zijing Gao, Rui Jiang*. SilencerDB: a comprehensive database of silencers. Nucleic Acids Research, 2021, 49(D1):D221-D228. [link, tool]

[7] Shengquan Chen, Mingxin Gan, Hairong Lv, Rui Jiang*. DeepCAPE: a deep convolutional neural network for the accurate prediction of enhancers. Genomics, Proteomics & Bioinformatics, 2021, 19(4):565-577. [link, code]

[6] Shengquan Chen, Boheng Zhang, Xiaoyang Chen, Xuegong Zhang, Rui Jiang*. stPlus: a reference-based method for the accurate enhancement of spatial transcriptomics. ISMB/ECCB 2021, Bioinformatics, 2021, 37(S1):i299-i307. [link, tool]

[5] Qiao Liu, Shengquan Chen, Rui Jiang*, Wing Hong Wong*. Simultaneous deep generative modeling and clustering of single cell genomic data. Nature Machine Intelligence, 2021, 3:536-544. [link, code]

[4] Xiaoyang Chen, Shengquan Chen, Rui Jiang*. EnClaSC: A novel ensemble approach for accurate and robust cell-type classification of single-cell transcriptomes. BMC Bioinformatics, 2020, 21(13):1-16. [link, code]

[3] Shengquan Chen, Kui Hua, Hongfei Cui, Rui Jiang*. VPAC: Variational projection for accurate clustering of single-cell transcriptomic data. BMC Bioinformatics, 2019, 20(7):139-151. [link, code]

[2] Shaoming Song, Hongfei Cui, Shengquan Chen, Qiao Liu, Rui Jiang*. EpiFIT: functional interpretation of transcription factors based on combination of sequence and epigenetic information. Quantitative Biology, 2019, 7(3):233-243. [link, tool]

[1] Xu Min†, Wanwen Zeng†, Shengquan Chen, Ning Chen, Ting Chen, Rui Jiang*. Predicting enhancers with deep convolutional neural networks. BMC Bioinformatics, 2017, 18(13):478. [link, code]

Members

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Principal Investigator

Shengquan Chen

School of Mathematical Sciences

Associate Prof., Nankai U. (2022.1-)

Ph.D., Tsinghua U. (2017.9-2021.12)

B.Eng., Xiamen U. (2013.9-2017.7)

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Joint Ph.D. Student with Tsinghua Univ.

Xiaoyang Chen

Department of Automation

Ph.D. Student, Tsinghua U. (2020.9-)

B.Eng., Tsinghua U. (2016.9-2020.7)

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Joint Ph.D. Student with Tsinghua Univ.

Xuejian Cui

Department of Automation

Ph.D. Student, Tsinghua U. (2019.9-)

B.Eng., Beihang U. (2015.9-2019.7)

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Joint Ph.D. Student with Tsinghua Univ.

Zijing Gao

Department of Automation

Ph.D. Student, Tsinghua U. (2021.9-)

B.Eng., Tsinghua U. (2017.9-2021.7)

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Joint Ph.D. Student with Tsinghua Univ.

Zhen Li

Department of Automation

Ph.D. Student, Tsinghua U. (2022.9-)

B.Eng., Tsinghua U. (2018.9-2022.7)

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Joint Ph.D. Student with Xiamen Univ.

Wenhao Zhang

School of Aerospace Engineering

Ph.D. Student, Xiamen U. (2021.9-)

M.Phil., Changzhou U. (2017.9-2020.7)

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M.Phil. Student

Sijie Li

School of Mathematical Sciences

M.Phil. Student, Nankai U. (2022.9-)

B.Sc., Nankai U. (2018.9-2022.7)

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Joint M.Phil. Student with Tsinghua Univ.

Yan Pan

Department of Automation

M.Phil. Student, Tsinghua U. (2022.9-)

B.Eng., Tsinghua U. (2018.9-2022.7)

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M.Phil. Student

Songming Tang

School of Mathematical Sciences

M.Phil. Student, Nankai U. (2023.9-)

B.Sc., SCUT. (2019.9-2023.7)

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Joint M.Phil. Student with Tsinghua Univ.

Qun Jiang

Department of Automation

M.Phil. Student, Tsinghua U. (2023.9-)

B.Eng., Tsinghua U. (2019.9-2023.7)

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B.Sc. Student

Heyang Hua

Chern Class of Nankai Mathematics

B.Sc., Nankai U. (2021.9-)

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B.Sc. Student

Yuhang Jia

School of Statistics and Data Science

B.Sc., Nankai U. (2020.9-)

Next position: M.Phil. Student, School of Mathematical Sciences, Nankai University

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B.Sc. Student

Siyu Li

School of Statistics and Data Science

B.Sc., Nankai U. (2020.9-)

Next position: Visiting Student, Department of Statistics, The Chinese University of Hong Kong

M.Phil. Student, School of Mathematical Sciences, Nankai University

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B.Sc. Student

Wenxin Long

School of Mathematical Sciences

B.Sc., Nankai U. (2020.9-)

Next position: Visiting Student, Yale University

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B.Sc. Student

Shuchen Zhu

Chern Class of Nankai Mathematics

B.Sc., Nankai U. (2020.9-)

Exchange Student, University of California, Berkeley (2023.1-2023.6)

Next position: Ph.D. Student, Academy for Advanced Interdisciplinary Studies, Peking University

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Encourager

Kaikai

School of Happiness

B.Sc., Home U. (2022.9-)

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Alumni

  • All
  • Postgraduate student
  • Undergraduate student

Yichuan Cao, 2022.7-2023.7. Next position: PhD in Academy of Mathematics and Systems Science, CAS

Xiamiao Zhao, 2022.7-2023.7. Next position: PhD in School of Mathematical Sciences, Tsinghua University

Yunhan Wang, 2022.11-2023.7. Next position: MS in School of Statistics, Renmin University of China

Yuxi Li, 2022.7-2023.7. Next position: MS in School of Cyber Science and Engineering, HUST

Join us now

We are now looking for self-motivated graduate/undergraduate students.
If you are interested in and want to join BioX at NKU, feel free to contact us.

Contact information

Dr. Shengquan Chen

shengquan[dot]chenl[at]gmail[dot]com

Room 423, Department of Informatics Theory and Data Science

School of Mathematical Sciences, Nankai University, Tianjin, China