, Volume 236, Issue 7, pp 2119–2142 | Cite as

microRNA and mRNA profiles in the amygdala are associated with stress-induced depression and resilience in juvenile mice

  • Mengmeng Shen
  • Zhenhua SongEmail author
  • Jin-Hui WangEmail author
Original Investigation



Major depressive disorder characterized as recurrent negative mood is one of the prevalent psychiatric diseases. Chronic stress plus lack of reward may induce long-term imbalance between reward and penalty circuits in the brain, leading to persistent negative mood. Numerous individuals demonstrate resilience to chronic mild stress. Molecular mechanisms for major depression and resilience in the brain remain unclear.


After juvenile mice were treated by the chronic unpredictable mild stress (CUMS) for 4 weeks, they were screened by sucrose preference, Y-maze and forced swimming tests to examine whether their behaviors were depression-like or not. mRNA and miRNA profiles were quantified by high-throughput sequencing in amygdala tissues harvested from control, CUMS-susceptible, and CUMS-resilience mice.


1.5-fold ratio in reads per kilo-base per million reads was set to be the threshold to judge the involvement of mRNAs and miRNAs in the CUMS, major depression, or resilience. In the amygdala from CUMS-susceptible mice, the expression of genes relevant to GABAergic, cholinergic, glutamatergic, dopaminergic, and serotonergic synapses was changed, as well as the expression of genes that encoded signal pathways of PI3K-Akt, calcium, cAMP, MAPK, and drug addiction was imbalanced. The expression of these genes in the amygdala form CUMS-resilience mice was less changed.


The downregulation of genes relevant to synaptic functions and the imbalance of intra-signaling pathway in the amygdala are associated with major depression. Consistent results through sequencing mRNA and miRNA and using different methods validate our finding and conclusion.


Depression Resilience Neuron Synapse and amygdala 



Authors thank Kim Davis for proof reading during the revision. This study is funded by the National Key R&D Program of China (2016YFC1307101) and Natural Science Foundation China (81671071 and 81471123) to JHW.

Authors’ contributions

M Shen and Z Song contributed to experiments and data analyses. Jin-Hui Wang contributed to concept, project design, and paper writing.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

213_2019_5209_MOESM1_ESM.doc (5.1 mb)
ESM 1 (DOC 5235 kb)


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© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of PharmacyQingdao UniversityQingdaoChina
  2. 2.University of Chinese Academy of SciencesBeijingChina
  3. 3.Institute of BiophysicsChinese Academy of SciencesBeijingChina

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