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Dopamine Neuron Activity and Stress Signaling as Links Between Social Hierarchy and Psychopathology Vulnerability.
Biol Psychiatry
April 2024
Gene Regulation and Adaptive Behaviors group, Department of Neuroscience Paris Seine, Unité Mixte de Recherche 8246, Centre National de la Recherche Scientifique, Institut de Biologie Paris Seine, Paris, France; Institut National de la Santé et de la Recherche Médicale U1130, Paris, France; Sorbonne Université, Paris, France. Electronic address:
Background: Social status in humans, generally reflected by socioeconomic status, has been associated, when constrained, with heightened vulnerability to pathologies including psychiatric diseases. Social hierarchy in mice translates into individual and interdependent behavioral strategies of animals within a group. The rules leading to the emergence of a social organization are elusive, and detangling the contribution of social status from other factors, whether environmental or genetic, to normal and pathological behaviors remains challenging.
View Article and Find Full Text PDFThe risk of psychosis for transgender individuals: a Dutch national cohort study.
Psychol Med
December 2023
Rivierduinen Institute for Mental Health Care, Sandifortdreef 19, 2333 ZZ Leiden, the Netherlands.
Background: The stressful minority position of transgender persons may result in a high risk of psychosis. Conflicting data suggest that the observed risk depends on setting of recruitment. We assessed the relative risk of non-affective psychotic disorder (NAPD) in a large, representative cohort of transgender persons.
View Article and Find Full Text PDFInappropriate use of statistical power.
Bone Marrow Transplant
May 2023
Medical College of Wisconsin, Milwaukee, WI, USA.
We are pleased to add this typescript, Inappropriate use of statistical power by Raphael Fraser to the BONE MARROW TRANSPLANTATION Statistics Series. The authour discusses how we sometimes misuse statistical analyses after a study is completed and analyzed to explain the results. The most egregious example is post hoc power calculations.
View Article and Find Full Text PDF2022, a year of the water tiger.
J Cell Commun Signal
December 2022
International CCN Society, Nice, France.
According to Chinese astrology, the Tiger is considered as the king of all animals. The Year of the Tiger 2022 was meant to symbolize determinism, vitality, strength, spontaneity and novelty, with the water element making it wiser and thoughtful. Often associated with the defeat of evil, a Water Tiger year occurs only every 60 years.
View Article and Find Full Text PDFNicotinic receptors promote susceptibility to social stress in female mice linked with neuroadaptations within VTA dopamine neurons.
Neuropsychopharmacology
August 2022
Université Côte d'Azur, Nice, France.
There are about twice as many women as men who experience depression during their lifetime. Although life circumstances and especially exposure to stressful situations constitute a major risk factor to develop depression, the underlying mechanisms have yet to be unraveled. We employed the chronic social defeat procedure to elicit depressive-like symptoms in females and ketamine to validate the model.
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