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A list of all the posts and pages found on the site. For you robots out there, there is an XML version available for digesting as well.
Pages
Posts
Future Blog Post
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Blog Post number 4
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Blog Post number 3
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Blog Post number 2
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Blog Post number 1
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portfolio
CytoSignal Permalink
A machine-learning model for detecting the locations and dynamics of cell-cell signaling at cellular resolution from spatial transcriptomic data.
Published in Nature Genetics (2025).
CytoSimplex Permalink
A tool for quantifying and visualizing current cell fate commitment and future cell potential on a simplex.
Published in Bioinformatics (2025).
LIGER Permalink
A machine-learning model for integrating and analyzing multiple single-cell multi-omic datasets, supporting RNA-seq, ATAC-seq, methylation, and spatial modalities.
Published in Nature Protocols (2020).
TopoVelo Permalink
A deep-learning model for jointly modeling temporal gene expression and spatial cellular dynamics from spatial transcriptomic data.
Published in Nature Biotechnology (2025).
publications
Jointly Defining Cell Types from Multiple Single-Cell Datasets Using LIGER
Published in Nature Protocols, 2020
A comprehensive protocol for using LIGER to jointly define cell types from multiple single-cell datasets through integrative non-negative matrix factorization.
Recommended citation: Liu J*, Gao C*, Sodicoff J, Kozareva V, Macosko EZ, Welch JD. (2020). "Jointly Defining Cell Types from Multiple Single-Cell Datasets Using LIGER." Nature Protocols, 15.11, pp. 3632-3662.
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Iterative Single-Cell Multi-Omic Integration Using Online Learning
Published in Nature Biotechnology, 2021
An online learning approach for iterative integration of single-cell multi-omic datasets using non-negative matrix factorization.
Recommended citation: Gao C, Liu J, Kriebel AR, Preissl S, Luo C, Castanon R, Sandoval J, Rivkin A, Nery JR, Behrens MM, Ecker JR, Ren B, Welch JD. (2021). "Iterative Single-Cell Multi-Omic Integration Using Online Learning." Nature Biotechnology, 39.8, pp. 1000-1007.
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G-CSF Secreted by Mutant IDH1 Glioma Stem Cells Abolishes Myeloid Cell Immunosuppression and Enhances the Efficacy of Immunotherapy
Published in Science Advances, 2021
G-CSF secreted by mutant IDH1 glioma stem cells abolishes myeloid cell immunosuppression and enhances immunotherapy efficacy.
Recommended citation: Alghamri MS, McClellan BL, Avvari RP, Thalla R, Carney S, Hartlage CS, Haase S, Ventosa M, Taher A, Kamran N, Zhang L, Faisal SM, Nunnez FJ, Garcia-Fabiani MB, Al-Holou WN, Orringer D, Hervey-Jumper S, Heth J, Patil PG, Eddy K, Merajver SD, Ulintz PJ, Welch JD, Gao C, Liu J, Nunez G, Hambardzumyan D, Lowenstein PR, Castro MG. (2021). "G-CSF Secreted by Mutant IDH1 Glioma Stem Cells Abolishes Myeloid Cell Immunosuppression." Science Advances, 7.40, eabh3243.
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Endosteal Stem Cells at the Bone-Blood Interface: A Double-Edged Sword for Rapid Bone Formation
Published in BioEssays, 2023
A review on bone marrow endosteal stem cells as a robust source of bone-making osteoblasts in normal and abnormal bone formation.
Recommended citation: Matsushita Y, Liu J, Chu AKY, Ono W, Welch JD, Ono N. (2023). "Endosteal Stem Cells at the Bone-Blood Interface: A Double-Edged Sword for Rapid Bone Formation." BioEssays, 46.3, p. 2300173.
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Bone Marrow Endosteal Stem Cells Dictate Active Osteogenesis and Aggressive Tumorigenesis
Published in Nature Communications, 2023
Identification of bone marrow endosteal stem cells and their role in osteogenesis and tumorigenesis via single-cell multi-omic integrative analysis.
Recommended citation: Matsushita Y*, Liu J*, Chu AKY, Tsutsumi-Arai C, Nagata M, Arai Y, Ono W, Yamamoto K, Saunders TL, Welch JD, Ono N. (2023). "Bone Marrow Endosteal Stem Cells Dictate Active Osteogenesis and Aggressive Tumorigenesis." Nature Communications, 14.1, p. 2383.
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Mapping Cell Fate Transition in Space and Time
Published in RECOMB 2024, 2024
Conference paper on topological velocity inference for mapping cell fate transitions in space and time.
Recommended citation: Gu Y*, Liu J*, Li C, Welch JD. (2024). "Mapping Cell Fate Transition in Space and Time." 28th International Conference on Research in Computational Molecular Biology (RECOMB), 2024.
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CytoSignal Detects Locations and Dynamics of Ligand-Receptor Signaling at Cellular Resolution from Spatial Transcriptomic Data
Published in Nature Genetics (accepted, 2026), 2024
A machine-learning method for detecting the locations and dynamics of ligand-receptor signaling at cellular resolution from spatial transcriptomic data.
Recommended citation: Liu J, Manabe H, Qian W, Wang Y, Gu Y, Chu AKY, Gadhvi G, Song Y, Ono N, Welch JD. (2026). "CytoSignal Detects Locations and Dynamics of Ligand-Receptor Signaling at Cellular Resolution from Spatial Transcriptomic Data." Nature Genetics (accepted).
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CytoSimplex: Visualizing Single-cell Fates and Transitions on a Simplex
Published in Bioinformatics, 2025
A tool for quantifying and visualizing current cell fate commitment and future cell potential on a simplex.
Recommended citation: Liu J, Wang Y, Li C, Gu Y, Ono N, Welch JD. (2025). "CytoSimplex: Visualizing Single-cell Fates and Transitions on a Simplex." Bioinformatics, btaf119.
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Topological Velocity Inference from Spatial Transcriptomic Data Maps Cell Fate Transition in Space and Time
Published in Nature Biotechnology, 2025
A deep-learning method for jointly modeling temporal gene expression and spatial cellular dynamics from spatial transcriptomic data.
Recommended citation: Gu Y*, Liu J*, Lee HK, Li C, Lu L, Moline J, Guan R, Welch JD. (2025). "Topological Velocity Inference from Spatial Transcriptomic Data Maps Cell Fate Transition in Space and Time." Nature Biotechnology, 1-12.
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Techniques and Analytic Workflow for Spatial Transcriptomics and Its Application to Allergy and Inflammation
Published in Journal of Allergy and Clinical Immunology, 2025
A review of techniques and analytic workflows for spatial transcriptomics applied to allergy and inflammation research.
Recommended citation: Zhang H, Patrick MT, Zhao J, Zhai X, Liu J, Li Z, Gu Y, Welch J, Zhou X, Modlin RL, Tsoi LC, Gudjonsson JE. (2025). "Techniques and Analytic Workflow for Spatial Transcriptomics and Its Application to Allergy and Inflammation." Journal of Allergy and Clinical Immunology, 155.3, pp. 678-687.
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talks
Talk 1 on Relevant Topic in Your Field
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Conference Proceeding talk 3 on Relevant Topic in Your Field
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teaching
MCDB 421 — Single-Cell Data Integration
Guest Lecture, University of Michigan, Department of Molecular, Cellular, and Developmental Biology, 2025
Guest lecture on single-cell data integration covering:
- Why single-cell genomics: bulk vs. single-cell resolution
- Single-cell data modalities (scRNA-seq, snATAC-seq, snmC-seq, 10X multiome)
- Challenges with variation and batch effects in sequencing
- Data integration methods (LIGER, Seurat anchors, Harmony)
- Applications to multi-modal single-cell analysis
