Author

Douglas Johnson

Medical University of South Carolina

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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Neuroscience· 2

Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:mouse· 2 Assay:proteomics· 2 Research Focus:cell type annotation· 1 Research Focus:cell-cell communication· 1 Research Focus:differential expression· 1 Research Focus:drug response / drug discovery· 1 Research Focus:gene regulatory network inference· 1

Frequent Co-Authors

Arshad Ali NooraniiD· 2 shared Rachel D. PenrodiD· 2 shared Sylvia FittingiD· 2 shared Tabinda SalmaniD· 2 shared Wei JiangiD· 2 shared Zhenwu Luo· 2 shared Zhuang Wan· 2 shared Barbara Benowitz· 1 shared

Activity by Year

2025-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 43 mutual co-author links

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2 shared papersNeuroscience

Arshad Ali NooraniORCID

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2 papers

Recent·Most cited

Cocaine-Enriched Oral Streptococcus parasanguinis Promotes Neuroimmune Dysfunction and Memory Impairment

Douglas Johnson, Tabinda Salman, Arshad Ali Noorani, Barbara Benowitz, Yifei He, Kamala P. Sundararaj, Hannah Shelley, Zhenwu Luo, Zhuang Wan, Sylvia Fitting, Rachel D. Penrod, Wei Jiang

This study shows that cocaine promotes growth of Streptococcus parasanguinis, which leads to neuroinflammation and memory impairment in mice without bacterial translocation.

bioRxiv · Jun 17, 2026 · PreprintNeuroscience

Cannabis-enriched oral Actinomyces induces anxiety-like behavior via impairing mitochondria and GABA signaling

Tabinda Salman, Zhenwu Luo, Douglas Johnson, Arshad Ali Noorani, Zhuang Wan, Bogdan Bordieanu, Zhiwei Ye, Rachel D. Penrod, Hongxu Xian, Sylvia Fitting, Peter W. Kalivas, Wei Jiang

This study shows that oral Actinomyces species from cannabis users induce anxiety-like behavior in mice through mitochondrial dysfunction and reduced GABAergic signaling.

bioRxiv · Nov 21, 2025 · PreprintNeuroscience