Author

Jose Alejandro Ossa

Universidad de Antioquia

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· 1

Signature Assays, Organisms & Methods

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Research Focus:cell type annotation· 1 Research Focus:differential expression· 1 Approach:experimental assay· 1 Organism:human· 1 Organism:mouse· 1 Assay:proteomics· 1 Assay:spatial transcriptomics· 1 Approach:statistical model· 1

Frequent Co-Authors

Andrés VillegasiD· 1 shared Carolina Ortiz‐CorderoiD· 1 shared Diego Sepúlveda FallaiD· 1 shared Duvan Cardona‐Madrigal· 1 shared Francisco Javier LoperaiD· 1 shared Isaura Suárez-UribeiD· 1 shared Jessica Lisa Villalba-Moreno· 1 shared Joseph F. Arboleda‐VelásqueziD· 1 shared

Activity by Year

2026-2026 · peak 1/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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1 shared paperNeuroscience

Andrés VillegasORCID

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1 paper

Recent·Most cited

Astrocyte-driven small vessel disease is an early, amyloid-independent feature of PSEN1 E280A familial Alzheimer's disease

Jessica Lisa Villalba-Moreno, Yassir El‐Amri, K I Kim, Nelson David Villalba‐Moreno, Mohsin Shafiq, Carolina Ortiz‐Cordero, Shiwei Wang, Jose Alejandro Ossa, Isaura Suárez-Uribe, Duvan Cardona‐Madrigal, Andrés Villegas, Markus Glatzel, Susanne Krasemann, Rafael Posada‐Duque, Laura L. Kiessling, , Diego Sepúlveda Falla

The paper identifies astrocyte-driven small vessel disease as an early, amyloid-independent feature of PSEN1 E280A familial Alzheimer's disease through proteomic and transcriptomic analyses.

bioRxiv · Jul 22, 2026 · PreprintNeuroscience