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Rapastinel alleviates the neurotoxic effect induced by NMDA receptor blockade in the early postnatal mouse brain
Andrei-Nicolae Vasilescu1, Anne Mallien1, Natascha Pfeiffer1
1RG Animal Models in Psychiatry, Department of Psychiatry and Psychotherapy, Medical Faculty Mannheim, Central Institute of Mental Health Mannheim, Heidelberg University, J 5, 68159, Mannheim, Germany.
Abstract:
Rapastinel is a novel psychoactive substance that acts as an N-methyl-D-aspartate-receptor (NMDAR) agonist and triggers antidepressant- and antipsychotic-like effects in animal models. However, it is unknown if rapastinel possesses a better side-effect profile than fast-acting glutamatergic antidepressants, like ketamine, which trigger neurotoxicity in the perinatal rodent cortex and protracted schizophrenia-like alterations. Here we found a remarkable neuroprotective effect of rapastinel against apoptosis induced by the NMDAR antagonist MK-801 in comparison to that elicited by clozapine and the mGlu2/3 agonist LY354740. These results suggest the potential therapeutic/prophylactic effect of rapastinel in ameliorating deleterious effects induced by NMDAR blockade during neurodevelopment.
