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Ceftriaxone averts neuroinflammation and relieves depressive-like behaviors via GLT-1/TrkB signaling. | LitMetric

Ceftriaxone averts neuroinflammation and relieves depressive-like behaviors via GLT-1/TrkB signaling.

Biochem Biophys Res Commun

State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, Guangdong, 518055, People's Republic of China; Institute of Chemical Biology, Shenzhen Bay Laboratory, People's Republic of China. Electronic address:

Published: March 2024

AI Article Synopsis

Article Abstract

The beneficial effect of a beta-lactam antibiotic, Ceftriaxone (CEF), to improve depressive-like symptoms has been documented previously, attributed to its modulation of glutamate neurotransmission. Here, we aimed to determine whether CEF could improve LPS-altered glutamatergic signaling associated with neuroinflammation-allied depression. To assess our goals, we established a neuroinflammation-allied depression mice model by injecting lipopolysaccharides (LPS), followed by behavioral and biochemical analysis. LPS-treated mice displayed depressive symptoms, neuroinflammation, dysregulated glutamate and its transporter (GLT-1) expression, altered expression of astrocyte reactive markers (GFAP, cxcl10, steap4, GBP2, and SRGN), and dysregulated BDNF/TrkB signaling. However, these changes were rescued by CEF treatment, as we found decreased neuroinflammation, relief of depression symptoms, and improved GLT-1 and BDNF/TrkB signaling upon CEF treatment. Moreover, GLT-1 and BDNF/TrkB regulation role of CEF was validated by K252a and DHK treatment. In summary, the anti-depressive effects of glutamate modulators, like CEF, are closely related to their anti-inflammatory role.

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Source
http://dx.doi.org/10.1016/j.bbrc.2024.149550DOI Listing

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