AUTHOR=Wang Ping , Li Chao , del Sol-Calderón Pablo , Mallol Leticia , Hernández-Álvarez Elena , Donoso-Navarro Encarnación , Gil-Ligero María , Rosado-Garcia Silvia , Sánchez-Lòpez Antonio José , Martín-Moratinos Marina , Bella-Fernández Marcos , Blasco-Fontecilla Hilario TITLE=Biosignature of self-injury behaviors in adolescence: Role of β-endorphin in an acute inpatient unit JOURNAL=Frontiers in Psychiatry VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2022.933275 DOI=10.3389/fpsyt.2022.933275 ISSN=1664-0640 ABSTRACT=
Self-injurious behavior (SIB) (either non-suicidal self-injury, NSSI; or suicide attempts, SA) is a common reason for adolescent psychiatric emergency hospitalizations. Altered basal serum β-endorphin (BE) levels have been reported in adults with a history of SIB, but information is lacking in adolescents. We analyzed the psychoclinical profile and serum BE level of 39 adolescents admitted to the acute unit at a hospital in Spain due to SIB. The Mean (SD) serum BE level was high (190.53 ± 74.83). Regarding time sequence, the onset age of NSSI and SA were related (