Aberrant intrinsic hippocampal and orbitofrontal connectivity in drug-naive adolescent patients with major depressive disorder

Zhou, Zilin; Gao, Yingxue; Feng, Ruohan; Zhuo, Lihua; Bao, Weijie; Liang, Kaili; Qiu, Hui; Cao, Lingxiao; Tang, Mengyue; Li, Hailong; Zhang, Lianqing; Huang, Guoping; Huang, Xiaoqi

doi:10.1007/s00787-022-02086-4

Cited by 5 publications

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“…Written informed consent was obtained from all participants and their legal guardians before participation in the trial. The subsets of data used in this paper have been used in previous studies ( 27 , 28 ).…”

Section: Methodsmentioning

confidence: 99%

Suprachiasmatic nucleus functional connectivity related to insomnia symptoms in adolescents with major depressive disorder

et al. 2023

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BackgroundInsomnia is a commonly seen symptom in adolescents with major depressive disorder (MDD). The suprachiasmatic nucleus (SCN), which is the circadian rhythm regulation center, plays a crucial role in the regulation of sleep-wake circulation. Nevertheless, how SCN function contributes to the exact neural mechanisms underlying the associations between insomnia and depressive symptoms has not been explored in adolescents. In the current study, we aimed to explore the relationship between SCN functional connectivity (FC) and insomnia symptoms in adolescents with MDD using a seed-based FC method.MethodsIn the current study, we recruited sixty-eight first-episode drug-naïve adolescents with MDD and classified them into high insomnia (MDD-HI) and low insomnia (MDD-LI) groups according to the sleep disturbance subscale of the Hamilton Depression Rating Scale (HAMD-S). Forty-three age/gender-matched healthy controls (HCs) were also recruited. SCN FC maps were generally for all subjects and compared among three groups using one-way ANOVA with age, gender and adjusted HAMD score as covariates. We used partial correlations to explore associations between altered FC and clinical symptoms, including sleep quality scores.ResultsAdolescents with MDD showed worse sleep quality, which positively correlated with the severity of depression. Compared to MDD-LI and HCs, MDD-HI adolescents demonstrated significantly decreased FC between the right SCN and bilateral precuneus, and there was no significant difference between the MDD-LI and HC groups. The HAMD-S scores were negatively correlated with bilateral SCN-precuneus connectivity, and the retardation factor score of HAMD was negatively correlated with right SCN-precuneus connectivity.ConclusionThe altered FC between the SCN and precuneus may underline the neural mechanism of sleep-related symptoms in depressive adolescents and provide potential targets for personalized treatment strategies.

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Section: Methodsmentioning

confidence: 99%