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最近,发现各种恶性肿瘤病人的外周淋巴细胞在体外与从人脑组织中提取的一种碱基蛋白接触被致敏后,能释放出一种可使豚鼠巨噬细胞电泳致缓的生物活性物质。后者称为巨噬细胞电泳致缓因子(Macrophage slowing
Recently, it has been found that the peripheral lymphocytes of various malignant tumor patients are sensitized in vitro to contact with a base protein extracted from human brain tissue to release a biological activity that allows bracketing of the electrophoresis of guinea pig macrophages substance. The latter is called Macrophage slowing