Author

Madilyn Portas

University of British Columbia

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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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:mouse· 2 Assay:bulk RNA-seq· 1 Research Focus:cell type annotation· 1 Research Focus:cell-cell communication· 1 Assay:CITE-seq· 1 Research Focus:differential expression· 1 Assay:flow cytometry· 1

Frequent Co-Authors

Andrew J SharoniD· 2 shared Blair K HardmaniD· 2 shared Lisa C. OsborneiD· 2 shared Marc Steven HorwitziD· 2 shared Arman SawhneyiD· 1 shared Blayne Amir SayediD· 1 shared Erin J. Goldberg· 1 shared Harshad IngleiD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 40 mutual co-author links

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2 shared papersImmunology

Andrew J SharonORCID

Mutual co-authors in cluster

Author profile →

2 papers

Recent·Most cited

Helminth infection induces neuroimmune remodeling and clinical remission in a mouse model of multiple sclerosis

Naomi M. Fettig, Sarah Popple, Madilyn Portas, Andrew J Sharon, Arman Sawhney, Thomas Worthington, Blair K Hardman, Morgan Coburn, Ukpong B. Eyo, Mark C. Siracusa, Marc Steven Horwitz, Lisa C. Osborne

This study shows that helminth infection reduces CNS inflammation and demyelination in a mouse model of multiple sclerosis by promoting Th2 cells.

The Journal of Immunology · Jul 28, 2026Peer-reviewedImmunology

STAT1 expression in myeloid cells restrains murine norovirus-induced hepatitis and fibrosis

Andrew J Sharon, Madilyn Portas, J WRIGHT, Harshad Ingle, Blair K Hardman, Erin J. Goldberg, Jung Hee Seo, N. B. Abraham, Marc Steven Horwitz, Megan T. Baldridge, Blayne Amir Sayed, Lisa C. Osborne

This study shows that STAT1 in myeloid cells prevents MNV-induced hepatitis and fibrosis by controlling viral spread and myeloid cell activation.

bioRxiv · Apr 29, 2026 · PreprintImmunology