Abstract:
:Silibinin has been widely used to treat liver diseases due to its antioxidant activity. However, the effects of silibinin on the central nervous system have not been thoroughly investigated. The pathological hallmarks of Alzheimer's disease are the accumulation of amyloid β protein, development of neurofibrillary tangles and increased oxidative stress, which ultimately lead to irreversible neuronal loss and cognitive impairment. Our findings show that silibinin ameliorated memory impairments in APP/PS1 mice in the Morris water maze via suppression of oxidative stress and inhibition of apoptosis. Treatment with silibinin reduced malondialdehyde content level and increased glutathione and superoxide dismutase activity in APP/PS1 mice. A terminal deoxynucleotidyl transferase dUTP nick end labeling assay revealed an anti-apoptotic effect of silibinin. Silibinin suppressed the activation of caspase-3 by inhibiting Jun N-terminal kinase phosphorylation and the downstream hippocampal Bax/Bcl-2 ratio. Silibinin treatment significantly increased levels of synaptophysin and PSD95 in APP/PS1 transgenic mice. These results suggest that silibinin could be a potential therapeutic agent for the treatment of Alzheimer's disease.
journal_name
Neurochem Resjournal_title
Neurochemical researchauthors
Bai D,Jin G,Yin S,Zou D,Zhu Q,Yang Z,Liu X,Ren L,Sun Y,Gan Sdoi
10.1007/s11064-017-2389-3subject
Has Abstractpub_date
2017-12-01 00:00:00pages
3439-3445issue
12eissn
0364-3190issn
1573-6903pii
10.1007/s11064-017-2389-3journal_volume
42pub_type
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