文献詳細
文献概要
今月の主題 -ミクログロブリン-その多様な病因,病態と検査アプローチ 各論 〈病態疾患と動態解析〉
カドミウム中毒の疫学・臨床研究における尿中β2-ミクログロブリン測定の意義
著者: 堀口兵剛1
所属機関: 1自治医科大学薬理学講座環境毒性学部門
ページ範囲:P.59 - P.65
文献購入ページに移動カドミウムは腎臓に蓄積し,近位尿細管障害を引き起こす.尿中β2-ミクログロブリンは,それを早期に検出するための鋭敏な指標として測定されるだけでなく,その重症度や予後の判定にも用いられる.しかし,血液中β2-ミクログロブリンの影響を受けること,低いpHで不安定性が増すことなどの欠点もあるので,血液中β2-ミクログロブリンや尿中のほかの尿細管障害の指標を同時に測定することが勧められる.近年,復元事業のほぼ終了した富山県神通川流域のカドミウム汚染地での疫学調査でも,尿中β2-ミクログロブリンの測定により住民全体の腎機能への影響を認め,将来イタイイタイ病に進展する可能性のあるカドミウム腎症患者も見つかった.
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