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Monoclonal antibody inhibitor of GM-CSF, IL-3, IL-5 and other cytokines, and uses thereof
Monoclonal antibody inhibitor of GM-CSF, IL-3, IL-5 and other cytokines, and uses thereof
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机译:GM-CSF,IL-3,IL-5和其他细胞因子的单克隆抗体抑制剂及其用途
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摘要
A method of isolating a monoclonal antibody capable of inhibiting any one of IL-3, GM-CSF and IL-5 binding to the common receptor c or a monoclonal antibody capable of inhibiting the cytokines binding to a receptor analogous to c. The method includes the steps of immunizing an animal with a cytokine receptor or portion of a cytokine containing the critical binding site which portion includes the extracellular domain 4 or an analogous domain in the analogous common receptor or part thereof. Antibodies producing cells from the animal are then isolated and fused with a myeloma cell line and then screened for a cell line that produces an antibody of the desired type. A monoclonal antibody, or fragments thereof capable of inhibiting the binding of the cytokines IL-3, GM-CSF and IL-5 to the c receptor, and a hybridoma cell line producing the antibody are also claimed.
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机译:分离能够抑制IL-3,GM-CSF和IL-5中的任何一个与普通受体 c Sub>结合的单克隆抗体或能够抑制细胞因子与受体结合的单克隆抗体的方法类似于 c Sub>。该方法包括用细胞因子受体或包含关键结合位点的细胞因子的一部分免疫动物的步骤,所述关键结合位点的一部分在相似的共同受体或其部分中包括细胞外结构域4或类似结构域。然后分离来自动物的产生抗体的细胞,并与骨髓瘤细胞系融合,然后筛选产生所需类型抗体的细胞系。还要求保护能够抑制细胞因子IL-3,GM-CSF和IL-5与 c Sub>受体结合的单克隆抗体或其片段,以及产生该抗体的杂交瘤细胞系。
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