Author

Greg Poffenberger

Vanderbilt University Medical CenterORCID 0000-0002-7363-4683Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Developmental Biology· 1 Genomics· 1 Physiology· 1

Signature Assays, Organisms & Methods

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

Frequent Co-Authors

Alvin C. PowersiD· 3 shared Diane C. SaundersiD· 3 shared Jean-Philippe CartailleriD· 3 shared Marcela BriššováiD· 3 shared Radhika AramandlaiD· 3 shared Alexander L. HopkirkiD· 2 shared Conrad ReihsmanniD· 2 shared COREY DAVIS· 2 shared

Activity by Year

2021-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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3 shared papersDevelopmental Biology

Alvin C. PowersORCID

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3 papers

Recent·Most cited

Developmental BiologyNature CommunicationsPeer-reviewedJun 29, 2026

Mapping histological and functional maturation of human endocrine pancreas across early postnatal periods

Diane C. Saunders, Fan Feng, Alexander L. Hopkirk…·Marcela Briššová

The paper maps the morphological and functional maturation of human endocrine pancreas from birth to age 10 using pediatric tissue samples and imaging techniques.

4 citationstop 4%

humanspatial transcriptomics

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PhysiologyNature CommunicationsPeer-reviewedMay 12, 2026

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Heterogeneous endocrine cell composition defines human islet functional phenotypes

Carmella Evans‐Molina, Yasminye D. Pettway, Diane C. Saunders…·Marcela Briššová

In 299 islet preparations from donors without diabetes, endocrine cell composition, not donor demographics, tracked insulin secretion, and δ cell percentage rose with type 2 diabetes genetic risk.

12 citationstop 1%

humanimaging

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GenomicsJCI InsightPeer-reviewedAug 24, 2021

Combinatorial transcription factor profiles predict mature and functional human islet α and β cells

Shristi Shrestha, Diane C. Saunders, John T. Walker…·Marcela Briššová

The paper identifies combinatorial transcription factor expression in human islet cells and shows it correlates with functional maturity and electrophysiological activity.

45 citationstop 2%

humanscRNA-seq

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