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Université de Fribourg

Parvalbumin-deficiency accelerates the age-dependent ROS production in Pvalb neurons in vivo: link to neurodevelopmental disorders

Janickova, Lucia ; Schwaller, Beat

In: Frontiers in Cellular Neuroscience, 2020, vol. 14, p. -

In neurodevelopmental disorders (NDDs) including autism spectrum disorder (ASD) and schizophrenia, impairment/malfunctioning of a subpopulation of interneurons expressing the calcium-binding protein parvalbumin (PV) –here termed Pvalb neurons– has gradually emerged as a possible cause. These neurons may represent a hub or point-of-convergence in the etiology of NDD. Increased oxidative...

Université de Fribourg

Striatal reactivity to reward under threat-of-shock and working memory load in adults at increased familial risk for major depression: A preliminary study

Gaillard, Claudie ; Guillod, Matthias ; Ernst, Monique ; Federspiel, Andrea ; Schoebi, Dominik ; Recabarren, Romina Evelyn ; Ouyang, Xinyi ; Mueller-Pfeiffer, Christoph ; Horschg, Antje ; Homan, Philipp ; Wiest, Roland ; Hasler, Gregor ; Martin-Soelch, Chantal

In: NeuroImage: Clinical, 2020, vol. 26, p. 102193

Introduction: Anhedonia, a core symptom of Major Depressive Disorder (MDD), manifests as a lack or loss of motivation as reflected by decreased reward responsiveness, at both behavioral and neural (i.e., striatum) levels. Exposure to stressful life events is another important risk factor for MDD. However, the mechanisms linking reward-deficit and stress to MDD remain poorly understood. Here,...