Journal
TRANSLATIONAL PSYCHIATRY
Volume 11, Issue 1, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/s41398-021-01588-0
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Funding
- National Natural Science Foundation of China [81703482, 81974171, 82070405]
- Science and Technology Support (Social Development) Project of Bureau of Science and Technology of Changzhou [CE20195044]
- Innovative and Entrepreneurial Team of Jiangsu ProvinceInnovative and Entrepreneurial Team of Jiangsu Province
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The study reveals that miR-98-5p plays an important role in the antidepressant mechanism of ketamine, as upregulation can alleviate depression-like behaviors and inhibition can block the antidepressant effect of ketamine. Targeting miR-98-5p may offer potential therapeutic strategies for depression treatment.
Ketamine has been demonstrated to be a rapid-onset and long-lasting antidepressant, but its underlying molecular mechanisms remain unclear. Recent studies have emerged microRNAs as important modulators for depression treatment. In this study, we report that miR-98-5p is downregulated in the prefrontal cortex and hippocampus of mice subjected to chronic social stress, while overexpressing it by its agonist alleviates depression-like behaviors. More importantly, we demonstrate that miR-98-5p is upregulated by ketamine administration, while inhibition of it by its antagonist blocks the antidepressant effect of ketamine. Our data implicate a novel molecular mechanism underlying the antidepressant effect of ketamine, and that therapeutic strategies targeting miR-98-5p could exert beneficial effects for depression treatment.
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