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Article Publish Status: FREE
Abstract Title:

Sublingual AKBA Exerts Antidepressant Effects in the Aβ-Treated Mouse Model.

Abstract Source:

Biomolecules. 2021 May 3 ;11(5). Epub 2021 May 3. PMID: 34063630

Abstract Author(s):

Maria Grazia Morgese, Maria Bove, Matteo Francavilla, Stefania Schiavone, Stefania Dimonte, Anna Laura Colia, Matteo Bevilacqua, Luigia Trabace, Paolo Tucci

Article Affiliation:

Maria Grazia Morgese

Abstract:

The 3-O-acetyl-11-keto-β-boswellic acid (AKBA) is the most active compound ofproposed for treating neurodegenerative disorders, including Alzheimer's disease (AD), characterized in its early phase by alteration in mood. Accordingly, we have previously demonstrated that an intracerebroventricular injection of soluble amyloid beta(Aβ) peptide evokes a depressive-like phenotype in rats. We tested the protective effects of AKBA in the mouse model of an Aβ-induced depressive-like phenotype. We evaluated the depressive-like behavior by using the tail suspension test (TST) and the splash test (ST). Behavioral analyses were accompanied by neurochemical quantifications, such as glutamate (GLU), kynurenine (KYN) and monoamines, and by biochemical measurements, such as glial fibrillary acid protein (GFAP), CD11b and nuclear factor kappa B (NF-kB), in mice prefrontal cortex (PFC) and hippocampus (HIPP). AKBA prevented the depressive-like behaviors induced by Aβ administration, since we recorded a reduction in latency to initiate self-care and total time spent to perform self-care in the ST and reduced time of immobility in the TST. Likewise, the increase in GLU and KYN levels in PFC and HIPP induced by the peptide injection were reverted by AKBA administration, as well as the displayed increase in levels of GFAP and NF-kB in both PFC and HIPP, but not in CD11b. Therefore, AKBA might represent a food supplement suitable as an adjuvant for therapy of depression in early-stage AD.

Study Type : Animal Study

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