βクリプトキサンチン含有みかんジュース摂取によるLipopolysaccharide誘発急性腎炎の予防効果

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タイトル別名
  • Protective Efficacy of the Ingestion of Mandarin Orange Containing β-Cryptoxanthin on Lipopolysaccharide-induced Acute Nephritis
  • vクリプトキサンチン ガンユウミカンジュース セッシュ ニ ヨル Lipopolysaccharide ユウハツ キュウセイジンエン ノ ヨボウ コウカ

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 β-cryptoxanthin is a common carotenoid pigment found in fruit, especially in Satsuma mandarins and in persimmons. After ingestion, β-cryptoxanthin is distributed to and accumulates in organs, such as the liver, lung, and kidney. Recent studies have reported that because of its antioxidant defense, β-cryptoxanthin performs several important functions in the preservation of human health and in the prevention of several diseases, including cancer and osteoporosis. The present study aims to determine whether β-cryptoxanthin has a protective effect on renal glomeruli during acute nephritis. To develop our acute nephritis mouse model, we induced kidney inflammation in mice using lipopolysaccharide. To analyze pathological changes in the renal glomeruli of these mice, tissue sections of the kidney were analyzed by hematoxylin-eosin and periodic acid-Schiff staining. In mice with acute nephritis, we observed a thickening of the basal membrane in the renal glomeruli. By ultrastructural analysis, abnormalities in the foot cells were also identified. In the β-cryptoxanthin-ingested mice, these pathological changes were decreased. Migration of urinal proteins occurred in mice with acute nephritis, but this was decreased in β-cryptoxanthin-ingested mice, such that it correlated with the blood concentration of β-cryptoxanthin. Furthermore, in β-cryptoxanthin-ingested mice, both the accumulation and activation of inflammatory cells were decreased in the renal glomeruli. These results suggest that β-cryptoxanthin ingestion may produce great improvement in acute nephritis. These findings provide new insights into β-cryptoxanthin and its protective effect, and provide a new target for pharmacological therapy in human disease.<br>

収録刊行物

  • 薬学雑誌

    薬学雑誌 136 (7), 1031-1040, 2016-07-01

    公益社団法人 日本薬学会

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