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タイトル: | The Protective Effect of Brazilian Propolis against Glycation Stress in Mouse Skeletal Muscle |
著者: | Egawa, Tatsuro https://orcid.org/0000-0001-9363-1589 (unconfirmed) Ohno, Yoshitaka Yokoyama, Shingo Yokokawa, Takumi https://orcid.org/0000-0002-3813-4958 (unconfirmed) Tsuda, Satoshi Goto, Katsumasa Hayashi, Tatsuya https://orcid.org/0000-0001-7600-4735 (unconfirmed) |
著者名の別形: | 江川, 達郎 津田, 諭志 林, 達也 |
キーワード: | advanced glycation end products anti-glycation glycative stress glyoxalase methylglyoxal cytokine |
発行日: | 25-Sep-2019 |
出版者: | MDPI AG |
誌名: | Foods |
巻: | 8 |
号: | 10 |
論文番号: | 439 |
抄録: | We investigated the protective effect of Brazilian propolis, a natural resinous substance produced by honeybees, against glycation stress in mouse skeletal muscles. Mice were divided into four groups: (1) Normal diet + drinking water, (2) Brazilian propolis (0.1%)-containing diet + drinking water, (3) normal diet + methylglyoxal (MGO) (0.1%)-containing drinking water, and (4) Brazilian propolis (0.1%)-containing diet + MGO (0.1%)-containing drinking water. MGO treatment for 20 weeks reduced the weight of the extensor digitorum longus (EDL) muscle and tended to be in the soleus muscle. Ingestion of Brazilian propolis showed no effect on this change in EDL muscles but tended to increase the weight of the soleus muscles regardless of MGO treatment. In EDL muscles, Brazilian propolis ingestion suppressed the accumulation of MGO-derived advanced glycation end products (AGEs) in MGO-treated mice. The activity of glyoxalase 1 was not affected by MGO, but was enhanced by Brazilian propolis in EDL muscles. MGO treatment increased mRNA expression of inflammation-related molecules, interleukin (IL)-1β, IL-6, and toll-like receptor 4 (TLR4). Brazilian propolis ingestion suppressed these increases. MGO and/or propolis exerted no effect on the accumulation of AGEs, glyoxalase 1 activity, and inflammatory responses in soleus muscles. These results suggest that Brazilian propolis exerts a protective effect against glycation stress by inhibiting the accumulation of AGEs, promoting MGO detoxification, and reducing proinflammatory responses in the skeletal muscle. However, these anti-glycation effects does not lead to prevent glycation-induced muscle mass reduction. |
著作権等: | © 2019 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). |
URI: | http://hdl.handle.net/2433/244789 |
DOI(出版社版): | 10.3390/foods8100439 |
PubMed ID: | 31557885 |
出現コレクション: | 学術雑誌掲載論文等 |
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