Author

Gaël Paul Hammer

Laboratoire National de SantéORCID 0000-0002-5798-9548Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Neuroscience· 3

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 3 Organism:human· 3 Approach:experimental assay· 2 Assay:protein structure· 2 Research Focus:clustering· 1 Research Focus:differential expression· 1 Assay:imaging· 1 Research Focus:spatial domain detection· 1

Frequent Co-Authors

David S. BouvieriD· 3 shared Michel Guy André MittelbronniD· 3 shared Naguib MechawariD· 3 shared Dominique MiraultiD· 2 shared Félicia JeannelleiD· 2 shared Mónica Miranda de la MazaiD· 2 shared Netherlands Brain BankiD· 2 shared Sophie SchreineriD· 2 shared

Activity by Year

2022-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 39 mutual co-author links

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3 shared papersNeuroscience

David S. BouvierORCID

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3 papers

Recent·Most cited

Disease-specific tangle immunophenotypes distinguish hippocampal vulnerability in Alzheimers disease and Parkinsons disease dementia

Sophie Schreiner, Mónica Miranda de la Maza, Gaël Paul Hammer, Félicia Jeannelle, Morgane Darricau, Dominique Mirault, Naguib Mechawar, Netherlands Brain Bank, Michel Guy André Mittelbronn, David S. Bouvier

The paper identifies disease-specific tau immunophenotypes in hippocampal subfields of Alzheimer's disease and Parkinson's disease dementia.

bioRxiv · Aug 22, 2026 · PreprintNeuroscience

Glypican-5 delineates spatially distinct astrocyte and neuronal populations in the human hippocampus and is selectively remodelled in Alzheimer's disease

Félicia Jeannelle, Mónica Miranda de la Maza, Sophie Schreiner, Gaël Paul Hammer, Dominique Mirault, Naguib Mechawar, Brainbank Neuro-CEB Neuropathology Network, Netherlands Brain Bank, Michel Guy André Mittelbronn, David S. Bouvier

The paper maps Glypican-5 expression in human hippocampus and shows its disease-specific remodeling in Alzheimer's disease.

bioRxiv · Aug 19, 2025 · PreprintNeuroscience

Concomitant AD and DLB pathologies shape subfield microglia responses in the hippocampus

Sonja Fixemer, Corrado Ameli, Gaël Paul Hammer, Luis Salamanca, Oihane Uriarte Huarte, Chantal Schwartz, Jean‐Jacques Gérardy, Naguib Mechawar, Alexander Skupin, Michel Guy André Mittelbronn, David S. Bouvier

This study examines how Alzheimer's and Dementia with Lewy Bodies pathologies influence microglia responses in hippocampal subfields, finding distinct patterns in disease severity and microglial morphology.

bioRxiv · Jan 6, 2022 · PreprintNeuroscience