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Updated: Jan 16, 2026
Isolation of Cortical Microglia with Preserved Immunophenotype and Functionality From Murine Neonates
Published on: January 30, 2014
Rosavin and salidroside attenuate microglia injury via nuclear factor κ-B signaling pathway
Hang Liu1, Yandong Ma1, Qian Chen1
1Key Laboratory for Molecular Genetic Mechanisms and Intervention Research on High Altitude Disease of Tibet Autonomous Region, School of Medicine, Xizang Minzu University, No. 6, Wenhui East Road, Xianyang City, Shaanxi Province 712082, China.
Objectives:
Inflammation, oxidative harm, and degradation of mitochondria ultimately contribute to the initiation neurodegenerative changes. This study investigated the inhibitory effects of rosavin and salidroside on neuroinflammation induced by β-amyloid oligomers using primary microglia derived from the cerebral tissue of C57BL/6 J mice.
Key Findings:
Following β-amyloid oligomers' production, a series of continuous neurological deterioration takes place. Rosavin and salidroside exhibited distinct inhibitory effects on different neurodegenerative damage. Subsequent studies indicated that the protective mechanism of rosavin was associated with nuclear factor к-B phosphorylation.
Lay Summary:
Rhodiola rosea L., with its natural small molecule compounds like rosavin may be potential candidates for the treatment of AD.
Insights
Rosavin and salidroside from Rhodiola rosea L. show promise in combating neuroinflammation and neurodegeneration caused by beta-amyloid oligomers. These compounds may offer a new therapeutic avenue for Alzheimer's disease.
Area of Science:
- Neuroscience
- Pharmacology
Background:
- Neuroinflammation, oxidative stress, and mitochondrial dysfunction are key drivers of neurodegenerative diseases.
- Alzheimer's disease (AD) pathology involves beta-amyloid oligomers, leading to progressive neurological decline.
- Rhodiola rosea L. contains compounds like rosavin with potential therapeutic benefits.
Purpose of the Study:
- To investigate the neuroprotective effects of rosavin and salidroside.
- To determine the impact of these compounds on neuroinflammation induced by beta-amyloid oligomers.
- To elucidate the underlying mechanisms of rosavin's protective action.
Main Methods:
- Primary microglia were isolated from C57BL/6J mouse brains.
- Cells were exposed to beta-amyloid oligomers to induce neuroinflammation.
- The inhibitory effects of rosavin and salidroside were assessed.
- Western blotting was used to analyze the phosphorylation of nuclear factor kappa-B (NF-κB).
Main Results:
- Beta-amyloid oligomers triggered significant neuroinflammation and subsequent neurological deterioration.
- Both rosavin and salidroside demonstrated distinct inhibitory effects on various aspects of neurodegeneration.
- Rosavin's protective mechanism was linked to the inhibition of NF-κB phosphorylation.
Conclusions:
- Rosavin and salidroside exhibit significant neuroprotective properties against beta-amyloid-induced neuroinflammation.
- The findings suggest that rosavin may exert its effects by modulating the NF-κB signaling pathway.
- Rhodiola rosea L. compounds represent potential therapeutic candidates for Alzheimer's disease and other neurodegenerative conditions.
