Lysergic Acid Diethylamide (LSD) Promotes Social Behavior Through Mtorc1 in the Excitatory Neurotransmission
Lysergic acid diethylamide (LSD) promotes social behavior through mTORC1 in the excitatory neurotransmission Danilo De Gregorioa,b,1, Jelena Popicb,2,3, Justine P. Ennsa,3, Antonio Inserraa,3, Agnieszka Skaleckab, Athanasios Markopoulosa, Luca Posaa, Martha Lopez-Canula, He Qianzia, Christopher K. Laffertyc, Jonathan P. Brittc, Stefano Comaia,d, Argel Aguilar-Vallese, Nahum Sonenbergb,1,4, and Gabriella Gobbia,f,1,4 aNeurobiological Psychiatry Unit, Department of Psychiatry, McGill University, Montreal, QC, Canada, H3A 1A1; bDepartment of Biochemistry, McGill University, Montreal, QC, Canada, H3A 1A3; cDepartment of Psychology, McGill University, Montreal, QC, Canada, H3A 1B1; dDivision of Neuroscience, Vita Salute San Raffaele University, 20132 Milan, Italy; eDepartment of Neuroscience, Carleton University, Ottawa, ON, Canada, K1S 5B6; and fMcGill University Health Center, Montreal, QC, Canada, H3A 1A1 Contributed by Nahum Sonenberg, November 10, 2020 (sent for review October 5, 2020; reviewed by Marc G. Caron and Mark Geyer) Clinical studies have reported that the psychedelic lysergic acid receptor (6), but also displays affinity for the 5-HT1A receptor diethylamide (LSD) enhances empathy and social behavior (SB) in (7–9). Several studies have demonstrated that LSD modulates humans, but its mechanism of action remains elusive. Using a glutamatergic neurotransmission and, indirectly, the α-amino- multidisciplinary approach including in vivo electrophysiology, 3-hydroxy-5-methyl-4-isoxazole propionate (AMPA) receptors. optogenetics, behavioral paradigms, and molecular biology, the Indeed, in vitro studies have shown that LSD increased the ex- effects of LSD on SB and glutamatergic neurotransmission in the citatory response of interneurons in the piriform cortex following medial prefrontal cortex (mPFC) were studied in male mice.
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