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- Title
Rehmanniae Radix Preparata ameliorates behavioral deficits and hippocampal neurodevelopmental abnormalities in ADHD rat model.
- Authors
Ruxin Sun; Haixia Yuan; Jing Wang; Kanglin Zhu; Yu Xiong; Yabei Zheng; Xinqiang Ni; Min Huang
- Abstract
Objectives: Abnormal hippocampal neurodevelopment, particularly in the dentate gyrus region, may be a key mechanism of attention-deficit/hyperactivity disorder (ADHD). In this study, we investigate the effect of the most commonly used Chinese herb for the treatment of ADHD, Rehmanniae Radix Preparata (RRP), on behavior and hippocampal neurodevelopment in spontaneously hypertensive rats (SHR). Methods: Behavior tests, including Morris water maze (MWM) test, open field test (OFT) and elevated plus maze (EPM) test were performed to assess the effect of RRP on hyperactive and impulsive behavior. Hippocampal neurodevelopment was characterized by transmission electron microscopy, immunofluorescence, Golgi staining and Nissl staining approaches. Regulatory proteins such as Trkb, CDK5, FGF2/FGFR1 were examined by Western blot analysis. Results: The results showed that RRP could effectively control the impulsive and spontaneous behavior and improve the spatial learning and memory ability. RRP significantly reduced neuronal loss and increased the number of hippocampal stem cells, and promoted synaptic plasticity. In addition, FGF/FGFR signaling was upregulated after RRP treatment. Conclusion: RRP can effectively reduce impulsive and spontaneous behavior and ameliorate hippocampal neurodevelopmental abnormalities in ADHD rat model.
- Subjects
LABORATORY rats; YOUTH with attention-deficit hyperactivity disorder; HIPPOCAMPUS (Brain); DENTATE gyrus; ANIMAL disease models; HYPERACTIVITY
- Publication
Frontiers in Neuroscience, 2024, p1
- ISSN
1662-4548
- Publication type
Article
- DOI
10.3389/fnins.2024.1402056