GPCR-mediated calcium and cAMP signaling determines psychosocial stress susceptibility and resiliency.

GPCR-mediated calcium and cAMP signaling determines psychosocial stress susceptibility and resiliency.
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DOI:
10.1126/sciadv.ade5397
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发表时间:
2023-04-05
期刊:
影响因子:
13.6
通讯作者:
--
中科院分区:
综合性期刊1区
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慢性压力会增加患精神障碍的风险,包括情绪和焦虑症。尽管对重复应激的行为反应因人而异,但潜在的机制仍不清楚。在这里,我们对抑郁症的动物模型和临床抑郁症患者进行了全基因组转录组学分析,并报告了前扣带回(ACC)Fos介导的转录网络功能障碍导致应激诱导的社会互动缺陷。关键的是,CRISPR-Cas9介导的ACC Fos基因敲除导致了应激情况下的社会互动缺陷。此外,在应激过程中,ACC中的两个经典的第二信使通路,钙和环磷酸腺苷,差异地调节Fos的表达,并调节应激诱导的社会行为的变化。我们的发现突出了调节钙和cAMP介导的Fos表达的行为相关机制,该机制有可能成为与应激环境相关的精神障碍的治疗靶点。应激诱导的钙和cAMP信号在分子适应和社会行为中具有相反的作用。
Chronic stress increases the risk of developing psychiatric disorders, including mood and anxiety disorders. Although behavioral responses to repeated stress vary across individuals, the underlying mechanisms remain unclear. Here, we perform a genome-wide transcriptome analysis of an animal model of depression and patients with clinical depression and report that dysfunction of the Fos-mediated transcription network in the anterior cingulate cortex (ACC) confers a stress-induced social interaction deficit. Critically, CRISPR-Cas9–mediated ACC Fos knockdown causes social interaction deficits under stressful situation. Moreover, two classical second messenger pathways, calcium and cyclic AMP, in the ACC during stress differentially modulate Fos expression and regulate stress-induced changes in social behaviors. Our findings highlight a behaviorally relevant mechanism for the regulation of calcium- and cAMP-mediated Fos expression that has potential as a therapeutic target for psychiatric disorders related to stressful environments. Stress-evoked calcium and cAMP signaling has opposite roles in molecular adaptation and social behavior.
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