Author

Cheryl Y. M. Okumura

Occidental CollegeORCID 0000-0001-9746-6410Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Microbiology· 1

Signature Assays, Organisms & Methods

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Approach:experimental assay· 1 Research Focus:host-pathogen & immune response· 1 Assay:proteomics· 1 Organism:virus· 1

Frequent Co-Authors

Ava Quezada· 1 shared Cheldon Ann Alcantara· 1 shared Claire M. DelahuntyiD· 1 shared John R. YatesiD· 1 shared Kevin KimiD· 1 shared Kevin Lord· 1 shared Olivia Okamoto· 1 shared

Activity by Year

2026-2026 · peak 1/yr

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7 top collaborators · 21 mutual co-author links

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1 shared paperMicrobiology

Ava Quezada

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1 paper

Recent·Most cited

MicrobiologyInfection and ImmunityPeer-reviewedApr 30, 2026

Lysosomal permeabilization by Group A Streptococcus releases proteins into the macrophage cytosol

Ava Quezada, Kevin Lord, Cheldon Ann Alcantara…·Cheryl Y. M. Okumura

This study shows that Group A Streptococcus perforates macrophage phagolysosomes, releasing both host and bacterial proteins into the cytosol, which triggers inflammatory responses and contributes to disease pathology.

DOI 10.1128/iai.00199-26

virusproteomics

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