TY - JOUR PY - 2023// TI - Chronic salmon calcitonin exerts an antidepressant effect via modulating the p38 MAPK signaling pathway JO - Frontiers in molecular neuroscience A1 - Zhu, Wenhui A1 - Li, Weifen A1 - Jiang, Jian A1 - Wang, Dilong A1 - Mao, Xinliang A1 - Zhang, Jin A1 - Zhang, Xunzhi A1 - Chang, Jinlong A1 - Yao, Peijia A1 - Yang, Xiuyan A1 - Da Costa, Clive A1 - Zhang, Ying A1 - Yu, Jiezhong A1 - Li, Huiliang A1 - Li, Shupeng A1 - Chi, Xinjin A1 - Li, Ningning SP - e1071327 EP - e1071327 VL - 16 IS - N2 - Depression is a common recurrent psychiatric disorder with a high lifetime prevalence and suicide rate. At present, although several traditional clinical drugs such as fluoxetine and ketamine, are widely used, medications with a high efficiency and reduced side effects are of urgent need. Our group has recently reported that a single administration of salmon calcitonin (sCT) could ameliorate a depressive-like phenotype via the amylin signaling pathway in a mouse model established by chronic restraint stress (CRS). However, the molecular mechanism underlying the antidepressant effect needs to be addressed. In this study, we investigated the antidepressant potential of sCT applied chronically and its underlying mechanism. In addition, using transcriptomics, we found the MAPK signaling pathway was upregulated in the hippocampus of CRS-treated mice. Further phosphorylation levels of ERK/p38/JNK kinases were also enhanced, and sCT treatment was able only to downregulate the phosphorylation level of p38/JNK, with phosphorylated ERK level unaffected. Finally, we found that the antidepressant effect of sCT was blocked by p38 agonists rather than JNK agonists. These results provide a mechanistic explanation of the antidepressant effect of sCT, suggesting its potential for treating the depressive disorder in the clinic.

Language: en

LA - en SN - 1662-5099 UR - http://dx.doi.org/10.3389/fnmol.2023.1071327 ID - ref1 ER -