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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Mong, Mei-chin Yin, Mei-chin Chao, Pei-chun |
| Copyright Year | 2015 |
| Abstract | Protection of asiatic acid (AA) in mice brain against D-galactose (DG) induced aging was examined. AA at 5, 10 or 20 mg kg−1 per day was supplied to DG treated mice for 8 weeks. AA intake at 10 or 20 mg kg−1 per day increased its deposit in brain. DG treatment increased Bax, cleaved caspase-3 protein expression and decreased Bcl-2 expression. AA intake at 10 and 20 mg kg−1 per day declined Bax, cleaved caspase-3 expression, and retained Bcl-2 expression. DG treatment decreased brain glutathione content and glutathione peroxidase activity; increased brain reactive oxygen species and protein carbonyl levels, and enhanced NAPDH oxidase expression. AA intake at test doses reversed these changes. DG treatment up-regulated the expression of advanced glycation end product (AGE), carboxymethyllysine, receptor of AGE (RAGE), mitogen-activated protein kinases and CD11b as well as increasing the interleukin (IL)-6 and tumor necrosis factor (TNF)-alpha release in the brain. AA intake at 5, 10 and 20 mg kg−1 per day lowered AGE and carboxymethyllysine expression, and at 10 and 20 mg kg−1 per day reduced RAGE production. AA intake dose-dependently suppressed p-p38 expression and lowered IL-6 and TNF-alpha levels, and at 10 and 20 mg kg−1 per day down-regulated p-JNK and CD11b expression. DG treatment declined brain-derived neurotropic factor (BDNF) expression and raised glial fibrillary acidic protein (GFAP) expression. AA intake at 20 mg kg−1 per day retained BDNF expression and at 10 and 20 mg kg−1 per day reduced GFAP expression. These findings indicated that the supplement of asiatic acid might be beneficial to the prevention or alleviation of brain aging. |
| Starting Page | 542 |
| Ending Page | 548 |
| Page Count | 7 |
| File Format | HTM / HTML PDF |
| ISSN | 20426496 |
| Volume Number | 6 |
| Issue Number | 2 |
| Journal | Food & Function |
| DOI | 10.1039/c4fo00862f |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | DG NAPDH BDNF Bax Acid Galactose Bcl-2-associated X protein Caspase 3 Protein Bcl-2 Glutathione Glutathione peroxidase Reactive oxygen species Carbonyl group Oxidase Glycation N(6)-Carboxymethyllysine Cell surface receptor Integrin alpha M Tumor necrosis factor alpha Interleukin 6 Brain-derived neurotrophic factor Glial fibrillary acidic protein |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine Food Science |
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