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臨床検査56巻10号

2012年10月発行

文献概要

今月の主題 鉄代謝のバイオマーカー 各論 〈検査指標〉

ヘプシジン

著者: 川端浩1

所属機関: 1京都大学大学院医学研究科血液・腫瘍内科学

ページ範囲:P.1064 - P.1069

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ヘプシジンは,主に肝臓で産生されるペプチドホルモンで,その発現は鉄負荷およびインターロイキン6によって強く誘導される.分泌されたヘプシジンは,マクロファージからの鉄の放出と腸管からの鉄の吸収を同時に抑制する.血清・尿中のヘプシジンは,現在マス・スペクトロメトリー法あるいは競合的ELISA法によって測定可能となっている.血清ヘプシジン値はフェリチン値やCRP値とよく相関し,貧血の重症度と逆相関する.遺伝性ヘモクロマトーシス,先天性赤血球異形成貧血1型,骨髄異形成症候群のRARS,重症型のβサラセミアでは血清ヘプシジン値が相対的に低下しており,これが鉄過剰症の原因になっている.ヘプシジンの測定は,慢性炎症による貧血と鉄欠乏性貧血の鑑別にも有用である.

参考文献

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掲載誌情報

出版社:株式会社医学書院

電子版ISSN:1882-1367

印刷版ISSN:0485-1420

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