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非在研适应症- |
最高研发阶段批准上市 |
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首次获批日期1950-10-01 |
100 项与 Toho Pharmaceutical Co., Ltd. 相关的临床结果
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1990-03-15·The Journal of Immunology2区 · 医学
Degradation of IgA proteins by Pseudomonas aeruginosa elastase.
2区 · 医学
作者: Morihara, K ; Mestecky, J F ; Heck, L W ; Kulhavy, R M ; Alarcon, P G ; Russell, M W
AbstractHuman colostral IgA and myeloma proteins of both IgA1 and IgA2 subclasses were susceptible to cleavage by Pseudomonas aeruginosa elastase. Detailed analysis of the cleavage products of IgA myeloma proteins revealed complete degradation of Fab with no evidence of intact Fab fragments as intermediate cleavage products. In contrast, both IgA1 and IgA2 proteins were resistant to cleavage by alkaline protease from P. aeruginosa. The susceptibility of human IgA proteins to elastase suggests a mechanism by which P. aeruginosa might evade the potentially protective function of IgA by producing this enzyme.
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