这个词是什么意思？
A fusion protein immunoconjugate of the extracellular domain of CTLA4 and the Fc domain of human IgG1. It functions as a T-cell co-stimulation blocker that inhibits TNF-ALPHA and prevents the activation of T-LYMPHOCYTES. It is used in the treatment of RHEUMATOID ARTHRITIS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000069594 · MeSH 2026。
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