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Luca Posa

5 papers in the library · 400 citations · publishing 2016-2026

Papers

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Mechanism-guided identification of antidepressant G protein-coupled receptor drug targets.

Cell April 30, 2026 Hermany Munguba, Anisul Arefin, Ryota Hasegawa et al. 4 citations

Depression is driven by dysfunction in discrete neural circuits, but a deeper understanding of the underlying molecular and synaptic mechanisms is needed to guide the development of therapeutics. Here, we decipher the mechanisms of action of the fast-acting antidepressant ketamine to enable the identification of G protein-coupled receptor (GPCR) antidepressant targets. We find that the...

Lysergic acid diethylamide (LSD) promotes social behavior through mTORC1 in the excitatory neurotransmission

Proceedings of the National Academy of Sciences January 25, 2021 Danilo de Gregorio, Jelena Popić, Justine P. Enns et al. 137 citations

Clinical studies have reported that the psychedelic lysergic acid diethylamide (LSD) enhances empathy and social behavior (SB) in humans, but its mechanism of action remains elusive. Using a multidisciplinary approach including in vivo electrophysiology, optogenetics, behavioral paradigms, and molecular biology, the effects of LSD on SB and glutamatergic neurotransmission in the medial...

Effects of Chronic Exposure to Low-Dose delta-9-Tetrahydrocannabinol in Adolescence and Adulthood on Serotonin/Norepinephrine Neurotransmission and Emotional Behavior

The International Journal of Neuropsychopharmacology July 23, 2020 Danilo de Gregorio, Joshua Dean Conway, Martha López-canul et al. 39 citations

BACKGROUND: Chronic exposure to the Δ9-tetrahydrocannabinol (THC), the main cannabis pharmacological component, during adolescence has been shown to be associated with an increased risk of depression and suicidality in humans. AIMS: Little is known about the impact of the long-term effects of chronic exposure to low doses of THC in adolescent compared to adult rodents. METHODS: THC (1mg/kg...

d-Lysergic acid diethylamide, psilocybin, and other classic hallucinogens: Mechanism of action and potential therapeutic applications in mood disorders.

Progress in Brain Research 2018 Danilo de Gregorio, Justine P. Enns, Nicolas A. Nunez et al. 95 citations

Depression and anxiety are psychiatric diagnoses commonly associated with low quality of life and low percentage of responsiveness by patients treated with currently available drugs. Thus, research into alternative compounds to treat these disorders is essential to guarantee a patient's remission. The last decade has witnessed a revamped interest for the application of psychedelic medicine for...

d-Lysergic Acid Diethylamide (LSD) as a Model of Psychosis: Mechanism of Action and Pharmacology

International Journal of Molecular Sciences November 23, 2016 Danilo de Gregorio, Stefano Comai, Luca Posa et al. 125 citations

d-Lysergic Acid Diethylamide (LSD) is known for its hallucinogenic properties and psychotic-like symptoms, especially at high doses. It is indeed used as a pharmacological model of psychosis in preclinical research. The goal of this review was to understand the mechanism of action of psychotic-like effects of LSD. We searched Pubmed, Web of Science, Scopus, Google Scholar and articles’...