文献詳細
文献概要
今月の主題 鉄代謝のバイオマーカー 各論 〈疾患と鉄代謝〉
慢性腎臓病における鉄代謝異常―鉄の囲い込み
著者: 中西健1
所属機関: 1兵庫医科大学内科学腎・透析科
ページ範囲:P.1089 - P.1094
文献購入ページに移動慢性腎臓病(CKD)や透析患者において心血管疾患(CVD)や感染症の頻度が高いことが報告されており,炎症性サイトカインやヘプシジンにより惹起される鉄の代謝異常,すなわち“鉄の囲い込み”が重要な役割を担っていると考えられる.“鉄の囲い込み”によりマクロファージや血管内皮細胞での鉄過剰が動脈硬化や心不全の原因となるだけでなく,細胞内に貪食された細菌の増殖をむしろ促進することになる.CKD患者の腎性貧血治療において赤血球造血刺激因子製剤(ESA)に対する抵抗性を予防する目的で鉄剤の使用が推奨されているが,鉄投与による鉄貯蔵の増加やフェリチンの上昇に伴いヘプシジンが増加するため,鉄剤の投与はより慎重に行わねばならない.
参考文献
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