2024
Activation of M4 muscarinic receptors in the striatum reduces tic‐like behaviours in two distinct murine models of Tourette syndrome
Cadeddu R, Braccagni G, Branca C, van Luik E, Pittenger C, Thomsen M, Bortolato M. Activation of M4 muscarinic receptors in the striatum reduces tic‐like behaviours in two distinct murine models of Tourette syndrome. British Journal Of Pharmacology 2024, 181: 3064-3081. PMID: 38689378, DOI: 10.1111/bph.16392.Peer-Reviewed Original ResearchPositive allosteric modulatorsD1CT-7 miceTourette syndromeMouse model of TSStriatal cholinergic interneuronsTic-like behavioursC-Fos levelsModel of TSActivate c-fosM4 muscarinic receptorsMuscarinic receptorsStriatal acetylcholineMouse modelStriatal expressionTic-likeStriatal levelsCholinergic interneuronsVU0467154Current pharmacotherapyXanomelineReceptor agonistsAllosteric modulatorsC-fosReceptor antagonistStriatum
2023
Prefrontal allopregnanolone mediates the adverse effects of acute stress in a mouse model of tic pathophysiology
Cadeddu R, Van Zandt M, Santovito L, Odeh K, Anderson C, Flanagan D, Nordkild P, Pinna G, Pittenger C, Bortolato M. Prefrontal allopregnanolone mediates the adverse effects of acute stress in a mouse model of tic pathophysiology. Neuropsychopharmacology 2023, 48: 1288-1299. PMID: 37198434, PMCID: PMC10354086, DOI: 10.1038/s41386-023-01603-6.Peer-Reviewed Original ResearchConceptsEffects of allopregnanoloneTourette syndromeCholinergic interneuronsAcute stressPrefrontal cortexPrepulse inhibitionTic pathophysiologyMouse modelAdverse effectsStriatal cholinergic interneuronsDeficient prepulse inhibitionSeverity of ticsPost-mortem studiesPharmacological antagonismPPI deficitsNeurosteroid allopregnanoloneMale miceAdministration doseAllopregnanoloneAnimal modelsBehavioral pathologySymptom severityAcute stressorYoung adulthoodAP levels