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Abstract: Introduction: This study aims to enhance the understanding of the association between the phenotypic and endophenotypic characteristics of impulsive-aggressive disorders, through the study of plasma oxytocin (OXT) and oxytocin receptor (OXTR) levels in patients with borderline personality disorder (BPD) and patients with eating disorders (ED), as well as to examine the relationship of OXT system with aggressive behavior in these disorders. Methods: 68 patients with BPD, 67 patients with ED and 57 healthy control subjects were examined for plasma oxytocin levels and protein expression of OXTR in blood mononuclear cells. Aggressive behavior was assessed using the State-Trait Anger Expression Inventory (STAXI-2). Other self and hetero-aggressive behaviors were also evaluated through interviews. Results: BPD and ED patients exhibited significantly lower plasma oxytocin levels than control subjects. Furthermore, BPD patients demonstrated significantly reduced expression of OXTR compared to controls. Plasma oxytocin levels negatively correlated with verbal aggression, while OXTR expression was inversely associated with the STAXI trait subscale. Conclusions: The findings validate the existence of oxytocin system dysfunction in impulsive-aggressive disorders. They also support the link between low OXT levels in plasma and OXTR expression and the impulsive-aggressive behavior that characterizes these patients in both state and trait situations.
Fuente: Journal of Psychiatric Research, 2024, 170, 200-206
Editorial: Elsevier
Año de publicación: 2023
Nº de páginas: 7
Tipo de publicación: Artículo de Revista
DOI: 10.1016/j.jpsychires.2023.12.032
ISSN: 0022-3956,1879-1379
Url de la publicación: https://doi.org/10.1016/j.jpsychires.2023.12.032
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DÍAZ-MARSÁ, M.
LÓPEZ-VILLATORO, J. M.
DE LA TORRE-LUQUE, A.
MACDOWELL, K. S.
GÁLVEZ-MERLÍN, A.
JOSE ANDRES GOMEZ DEL BARRIO
FRANCISCO RUIZ GUERRERO
BEATO-FERNÁNDEZ, L.
POLO-MONTES, F.
LEÓN-VELASCO, M.
MARTÍN-HERNÁNDEZ, D.
CARRASCO-DÍAZ, A.
LEZA, J. C.
CARRASCO, J. L.
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