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KMID : 1007520170260030775
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Food Science and Biotechnology
2017 Volume.26 No. 3 p.775 ~ p.782
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Artemisia scoparia attenuates amyloid β accumulation and tau hyperphosphorylation in spontaneously hypertensive rats
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Promyo Kitipong
Cho Jeong-Yong
Park Kyung-Hee
Jaiswal Lily
Park Sun-Young
Ham Kyung-Sik
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Abstract
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The preventive effects of Artemisia scoparia extract (AS) and AS + garlic extract (ASG) on the risk of Alzheimer’s disease (AD) were evaluated in spontaneously hypertensive rats. Rats were supplemented with diets containing 2% (w/w) of AS or ASG for 6 weeks. The AS group showed lower levels of amyloid β and beta-site amyloid precursor protein cleaving enzyme 1 expressions and higher expression levels of low-density lipoprotein receptor-related protein 1 than did the control group (p<0.05). In addition, the AS showed remarkably reduced levels of phosphorylated tau proteins and suppressed expression of phosphorylated glycogen synthase kinase 3β at tyrosine 216 (active form) (p<0.05). The ASG group also suppressed amyloid β accumulation and tau hyperphosphorylation. However, there was no synergistic effect of garlic with AS in lowering the risk of AD. These results indicate that AS could be a potential candidate to ameliorate the risk of AD.
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KEYWORD
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Artemisia scoparia, Alzheimer’s disease, Amyloid β, Tau hyperphosphorylation, Oxidative stress
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