Author

Rayner Rodriguez‐Diaz

University of MiamiORCID 0000-0003-0228-2999Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:mouse· 2 Research Focus:cell signaling & trafficking· 1 Research Focus:cell-cell communication· 1 Assay:electronic health records· 1 Organism:human· 1 Assay:proteomics· 1

Frequent Co-Authors

Alejandro TamayoiD· 2 shared Madina MakhmutovaiD· 2 shared Alejandro CaicedoiD· 1 shared Dayleen Hakim Rodriguez· 1 shared Elisabeth Pereira· 1 shared Elizabeth PereiraiD· 1 shared Joana AlmaçaiD· 1 shared Jonathan WeitziD· 1 shared

Activity by Year

2020-2025 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 30 mutual co-author links

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2 shared papersPhysiology

Alejandro TamayoORCID

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2 papers

Recent·Most cited

PhysiologybioRxivPreprintNov 10, 2025

Post-Inhibitory Rebound by δ-Cells Transforms Inhibition into Excitationand Redefines Islet Plasticity.

Alejandro Tamayo, Dayleen Hakim Rodriguez, Elisabeth Pereira…·Rayner Rodriguez‐Diaz

This paper identifies post-inhibitory rebound (PIR) in pancreatic islets as a mechanism converting δ-cell inhibition into excitation, revealing dynamic paracrine signaling rather than static inhibition.

DOI 10.1101/2025.11.10.687745

humanmouse

𝕏 PostBluesky

NeuroscienceGastroenterologyPeer-reviewedOct 26, 2020

PANCREATIC ISLETS COMMUNICATE WITH THE BRAIN VIA VAGAL SENSORY NEURONS

Madina Makhmutova, Jonathan Weitz, Alejandro Tamayo…·Alejandro Caicedo

The paper shows pancreatic islets communicate with the brain via vagal sensory neurons that respond to serotonin released from beta cells.

90 citationstop 1%

mouseelectronic health records

𝕏 PostBluesky