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Cross-species mapping of psychedelic gene expression reveals links to the 5HT2A receptor, cortical layers, and human accelerated regions

Patrick A. McConnell, Jackson Raffety, Andrew Li, Eric Steinberg, Syed Rahim, Christian Valtierra, Adam Gazzaley, Robin Carhart-Harris, Lorenzo Pasquini

Research Square October 3, 2025 preprint DOI: 10.21203/rs.3.rs-7625999/v1 (opens in new tab)

Study at a glance

AI-extracted from the abstract
Characteristics Cross-species mapping study
Keywords Psychedelics Compounds Psychedelic action Gene expression Genes Gene activity Genetics Gene activation Gene alteration Brain receptor 5ht2a Brain layers Human accelerated regions Brain evolution
Key points Psychedelic gene expression patterns are associated with the 5HT2A receptor, cortical layers, and human accelerated regions.

Abstract

Cross-species mapping of psychedelic gene expression reveals links to the 5HT2A receptor, cortical layers, and human accelerated regions