期刊
FOOD AND CHEMICAL TOXICOLOGY
卷 118, 期 -, 页码 68-83出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2018.04.064
关键词
Alzheimer's disease; beta-Amyloid; High-fat diet; Hippocampus; Inflammasome
资金
- Kermanshah University of Medical Science [96293]
Both dyslipidemia and Alzheimer disease (AD) are associated with aging. In this study, the effects of virgin coconut oil (VCO) on inflammasome and oxidative stress in Alzheimer's model (receiving Arnyloid-beta (A beta)) and high-fat diet (HFD) model were determined. A total of 120 male Wistar rats, were divided into 12 groups (n = 10), including; healthy control, sham surgery, sham surgery receiving normal saline, HFD, HFD + 8% VCO, HFD + 10% VCO, A beta received rats, A beta + 8%VCO, A beta + 10%VCO, HFD + A beta, HFD + A beta +8%VCO, and HFD + A beta + 10%VCO. Following memory and learning tests, blood sample prepared from the heart and hippocampus of rats in each group was kept at -70 degrees C for genes expression, oxidative stress, and biochemical tests. A beta and HFD significantly impaired memory and learning by activating of both NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome and oxidative stress (p < 0.05), while treatment with both 8 and 10% VCO normalized inflammasome genes expression and oxidative stress (p < 0.05). The Congo Red, Cresyl Violet staining and immunohistochemistry (IHC) test revealed that VCO improved hippocampus histological changes, reduced AD plaques and phosphorylated Tau. High-fat diet has exacerbated the effects of A beta, while VCO showed potential neuroprotective effect.
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