期刊
MOLECULES
卷 26, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/molecules26133958
关键词
Caenorhabditis elegans; leaf extract; neuroprotection; antioxidant activity; DAF-16
The study identified the neuroprotective activity of Glochidion littorale leaf extract, which showed high bioactivities in ameliorating oxidative stress and protecting against neurodegeneration in Caenorhabditis elegans. The observed effects may be associated with the activation of the transcription factor DAF-16, and potential key phenolic compounds identified in the extract include myricetin, coumestrin, chlorogenic acid, and hesperidin. This novel neuroprotective activity of GLE may be utilized in developing treatments for neurodegenerative diseases like Parkinson's syndrome.
A number of plants used in folk medicine in Thailand and Eastern Asia are attracting interest due to the high bioactivities of their extracts. The aim of this study was to screen the edible leaf extracts of 20 plants found in Thailand and investigate the potential neuroprotective effects of the most bioactive sample. The total phenol and flavonoid content and 2,2-diphenyl-1-picrylhydrazyl radical-scavenging activity were determined for all 20 leaf extracts. Based on these assays, Glochidion littorale leaf extract (GLE), which showed a high value in all tested parameters, was used in further experiments to evaluate its effects on neurodegeneration in Caenorhabditis elegans. GLE treatment ameliorated H2O2-induced oxidative stress by attenuating the accumulation of reactive oxygen species and protected the worms against 1-methyl-4-phenylpyridinium-induced neurodegeneration. The neuroprotective effects observed may be associated with the activation of the transcription factor DAF-16. The characterization of this extract by LC-MS identified several phenolic compounds, including myricetin, coumestrin, chlorogenic acid, and hesperidin, which may play a key role in neuroprotection. This study reports the novel neuroprotective activity of GLE, which may be used to develop treatments for neurodegenerative diseases such as Parkinson's syndrome.
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