Journal of Toxicologic Pathology
Online ISSN : 1881-915X
Print ISSN : 0914-9198
Inhibitory effect of propolis on the development of AA amyloidosis
Daichi HARATAYuya TSUCHIYATomoyuki MIYOSHITokuma YANAIKazuhiko SUZUKITomoaki MURAKAMI
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JOURNALS FREE ACCESS Advance online publication

Article ID: 2017-0044

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Abstract

In the several types of amyloidoses, participation of oxidative stresses in the pathogenesis and the effect of antioxidants on amyloidosis have been reported. Meanwhile, the relationship between oxidative stresses and pathogenesis of amyloid A (AA) amyloidosis is still unclear. In this study, we used an antioxidant, Brazilian propolis, to investigate the inhibitory effects on AA amyloidosis. The results showed that AA deposition was inhibited by administration of propolis. Increased expression of antioxidant markers was detected in molecular biological examinations of mice treated with propolis. Although serum amyloid A (SAA) levels were strongly correlated with the immunoreactive area of AA deposits in the control group, the correlation was weaker in the propolis-treated groups. In addition, there were no changes in SAA levels between the control group and the propolis-treated groups. The results indicate that propolis, an antioxidant, may induce inhibitory effects against AA amyloidosis.

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© 2017 The Japanese Society of Toxicologic Pathology

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