Estrogen Receptors Are Involved in the Neuroprotective Effect of Silibinin in Aβ1–42-Treated Rats
Male
0301 basic medicine
Memory Disorders
Amyloid beta-Peptides
Dose-Response Relationship, Drug
Antioxidants
Peptide Fragments
Rats
3. Good health
03 medical and health sciences
Neuroprotective Agents
Receptors, Estrogen
Silybin
Animals
Maze Learning
Silymarin
DOI:
10.1007/s11064-018-2481-3
Publication Date:
2018-02-02T23:22:32Z
AUTHORS (13)
ABSTRACT
Alzheimer's disease (AD) is a progressive neurodegenerative disease that is characterized by a cascade of pathologic changes. A widely discussed theory indicates that amyloid β (Aβ) peptides are the causative agents of AD. Silibinin, a flavonoid derived from milk thistle, is well known for its hepato-protective activities and we have reported the neuroprotective effects of silibinin. In this study, we investigated the role of estrogen receptors (ERs) in silibinin's neuroprotective effect on Aβ1-42-injected rats. Results of Morris water maze and novel object-recognition tests demonstrated that silibinin significantly attenuated Aβ1-42-induced memory impairment. Silibinin attenuated ERs and PI3K-Akt pathways, as well as modulated mitogen-activated protein kinases in the hippocampus of Aβ1-42-injected rats. Taken together, silibinin is a potential candidate in the treatment of Alzheimer's disease.
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