Author

Ravi Challa

Biogen (United States)

Listed by name: these papers carry no ORCID for this author, so different people with the same name may be mixed together.

Biology Disciplines

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Bioinformatics· 2 Neuroscience· 2

Signature Assays, Organisms & Methods

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Approach:statistical model· 3 Research Focus:cell type annotation· 2 Organism:human· 2 Assay:bulk RNA-seq· 1 Research Focus:cell-cell communication· 1 Research Focus:differential expression· 1 Approach:experimental assay· 1 Research Focus:gene regulatory network inference· 1

Frequent Co-Authors

Baohong ZhangiD· 3 shared Kejie LiiD· 3 shared Amanda J. GuiseiD· 2 shared Helen McLaughlin· 2 shared Jessica A. HurtiD· 2 shared Maria I. ZavodszkyiD· 2 shared Mark J. SheehaniD· 2 shared Patrick F. Cullen· 2 shared

Activity by Year

2020-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 44 mutual co-author links

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Curved chords = mutual co-authorship

3 shared papersBioinformatics

Baohong ZhangORCID

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Author profile →

4 papers

Recent·Most cited

Spatial transcriptomics reveals heterogeneous cell-cell interactions among brain regions in a cuprizone model consistent with multiple sclerosis lesions

Hui‐Hsin Tsai, Sarbottam Piya, Jing Wang, Jing Zhu, Wenxing Hu, Andrew R. Gehrke, Shaolong Cao, Amanda J. Guise, Su Jing Chan, Mark J. Sheehan, Jenhwa Chu, Zhengyu Ouyang, Matthew M. Ryals, Michelle Lee, Wanli Wang, , Baohong Zhang

The paper uses spatial transcriptomics to analyze cell-cell interactions in a cuprizone model, finding region-specific changes and partial translatability to multiple sclerosis lesions.

Frontiers in Bioinformatics · Aug 6, 2026Peer-reviewedNeuroscience

Comparative snRNAseq study of C9orf72, SOD1, and sALS spinal cord

Shaolong Cao, Mark J. Sheehan, Victor Cox, Dirk M. Walther, Amanda J. Guise, Edward D. Plowey, Maria I. Zavodszky, Thomas M. Carlile, Ravi Challa, Yi Chen, Guoqiang Zhang, Helen McLaughlin, Catherine L. Worth, Chia‐Yen Chen, Shih‐Ching Lo, , Dann Huh

This study compares snRNAseq data from C9orf72, SOD1, and sporadic ALS spinal cords, identifying shared and distinct molecular features across cell types.

bioRxiv · Aug 26, 2025 · PreprintNeuroscience

CellMap: Characterizing the types and composition of iPSC-derived cells from RNA-seq data

Zhengyu Ouyang, Nathanael Bourgeois, Eugenia Lyashenko, Paige Cundiff, Patrick F. Cullen, Ravi Challa, Kejie Li, Xinmin Zhang, Fergal Casey, Sandi Engle, Baohong Zhang, Maria I. Zavodszky

CellMap infers cell type profiles in bulk RNA-seq data from iPSC-derived cell lines using reference single-cell datasets.

bioRxiv · May 24, 2021 · PreprintBioinformatics

figureComposer: A web-based interactive multi-panel bio- infographic designing tool

Kejie Li, Jessica A. Hurt, Christopher D. Whelan, Ravi Challa, Dongdong Lin, Baohong Zhang

figureComposer is a web-based tool that allows users to create multi-panel publication-quality figures without programming skills.

bioRxiv · Mar 4, 2020 · PreprintBioinformatics