PROBLEM TO BE SOLVED: To provide an IgG type antibody absorbent with high blood compatibility which can absorb an IgG type antibody highly selectively in a high adsorptive capacity without risk of contamination of unknown viruses or pathogens, the IgG type antibody being a constitutional unit of an autoantibody and an immune complex considered as a disease cause substance of autoimmune diseases, such as chronic articular rheumatism, systemic lupus erythematosus, and severe muscular asthenia.SOLUTION: An IgG type antibody absorbent for a body liquid clarification device contains a water-insoluble carrier and peptide fixed on the water-insoluble carrier, wherein the peptide has an amino acid sequence as set forth in a sequence number 1.COPYRIGHT: (C)2015,JPO&INPIT【課題】慢性関節リウマチ、全身性エリテマトーデス、重症筋無力症等の自己免疫疾患の病因物質と考えられる自己抗体及び免疫複合体の構成単位であるIgG型抗体を、未知のウィルス又は病原菌の混入リスク無く、高い吸着容量で高選択的に吸着することが可能な血液適合性の高いIgG型抗体吸着用吸着材を提供すること。【解決手段】水不溶性担体と、上記水不溶性担体に固定されたペプチドと、を含み、上記ペプチドが配列番号1に記載のアミノ酸配列を有する、体液浄化デバイス用IgG型抗体吸着材。【選択図】図1
