Article ; Online: Analysis of Antidepressant-like Effects and Action Mechanisms of GSB-106, a Small Molecule, Affecting the TrkB Signaling.
International journal of molecular sciences
2021 Volume 22, Issue 24
Abstract: Induction of BDNF-TrkB signaling is associated with the action mechanisms of conventional and fast-acting antidepressants. GSB-106, developed as a small dimeric dipeptide mimetic of BDNF, was previously shown to produce antidepressant-like effects in the ...
Abstract | Induction of BDNF-TrkB signaling is associated with the action mechanisms of conventional and fast-acting antidepressants. GSB-106, developed as a small dimeric dipeptide mimetic of BDNF, was previously shown to produce antidepressant-like effects in the mouse Porsolt test, tail suspension test, Nomura water wheel test, in the chronic social defeat stress model and in the inflammation-induced model of depression. In the present study, we evaluated the effect of chronic per os administration of GSB-106 to Balb/c mice under unpredictable chronic mild stress (UCMS). It was observed for the first time that long term GSB-106 treatment (1 mg/kg, 26 days) during ongoing UCMS procedure ameliorated the depressive-like behaviors in mice as indicated by the Porsolt test. In addition, chronic per os administration of GSB-106 resulted in an increase in BDNF levels, which were found to be decreased in the prefrontal cortex and hippocampus of mice after UCMS. Furthermore, prolonged GSB-106 treatment was accompanied by an increase in the content of pTrkB |
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MeSH term(s) | Animals ; Antidepressive Agents/pharmacology ; Brain/metabolism ; Brain-Derived Neurotrophic Factor/drug effects ; Brain-Derived Neurotrophic Factor/metabolism ; Dipeptides/metabolism ; Dipeptides/pharmacology ; Hippocampus/drug effects ; Hippocampus/metabolism ; Male ; Membrane Glycoproteins/drug effects ; Membrane Glycoproteins/metabolism ; Mice ; Mice, Inbred BALB C ; Prefrontal Cortex/drug effects ; Prefrontal Cortex/metabolism ; Protein-Tyrosine Kinases/drug effects ; Protein-Tyrosine Kinases/metabolism ; Signal Transduction/drug effects ; Stress, Psychological |
Chemical Substances | Antidepressive Agents ; Brain-Derived Neurotrophic Factor ; Dipeptides ; Membrane Glycoproteins ; bis-(N-monosuccinyl-l-seryl-l-lysine)hexamethylenediamide ; Ntrk2 protein, mouse (EC 2.7.10.1) ; Protein-Tyrosine Kinases (EC 2.7.10.1) |
Language | English |
Publishing date | 2021-12-13 |
Publishing country | Switzerland |
Document type | Journal Article |
ZDB-ID | 2019364-6 |
ISSN | 1422-0067 ; 1422-0067 ; 1661-6596 |
ISSN (online) | 1422-0067 |
ISSN | 1422-0067 ; 1661-6596 |
DOI | 10.3390/ijms222413381 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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