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首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >The epitopes for natural polyreactive antibodies are rich in proline
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The epitopes for natural polyreactive antibodies are rich in proline

机译:天然多反应抗体的表位富含脯氨酸

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摘要

"Natural" polyreactive antibodies, which bind in a nonspecific manner to a range of biological molecules both of self- and nonself- origin, are normal constituents of serum and are a significant part of the immune repertoire in many species, including humans. Autoantibodies to sTNF-R (the 55-kDa extracellular domain of the human receptor to tumor necrosis factor ) were affinity purified from normal human sera using immobilized sTNF-R. The isolated anti- sTNF-R IgG bound both native and denatured forms of the receptor with low affinity.
机译:以非特异性方式结合一系列自身和非自身来源的生物分子的“天然”多反应性抗体是血清的正常组成部分,并且是包括人类在内的许多物种的重要免疫组成部分。使用固定的sTNF-R从正常人血清中亲和纯化了sTNF-R(人受体针对肿瘤坏死因子的55-kDa胞外域)的自身抗体。分离的抗sTNF-R IgG以低亲和力结合受体的天然形式和变性形式。

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