植物血凝素(PHA)在体外促进淋巴细胞转化的研究工作在国内、外已广为开展。本文观察了PHA在小鼠体内活化淋巴细胞的作用和几种在体外有显著抑制淋巴细胞转化的药物对它的影响。现将实验结果介绍如下。 材料与方法 PHA为广州医药工业研究所生产,批号810514,动物为本院饲养之雄性小鼠,随机分组,每组6只, Phytohemagglutinin (PHA) in vitro to promote lymphocyte transformation research work at home and abroad has been widely carried out. This article examines the role of PHA in activating lymphocytes in mice and several effects of drugs that significantly inhibit lymphocyte transformation in vitro. Now the experimental results are described below. Materials and Methods PHA was produced by Guangzhou Institute of Pharmaceutical Industry, batch number 810514. The animals were male mice kept in our hospital and were randomly divided into 6 groups,