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细胞的恶性增殖是与失去控制细胞生长的负调节有关。TGF-β1是为数不多的负调控因子之一，因而TGF-β1系统紊乱与肿瘤形成的关系日益受到重视，为此我们对急性白血病患儿的血清TGF-β1进行动态观察，特总结如下：材料与方法一、研究对象经我院临床、血象、骨髓进行形态学及免疫
Malignant proliferation of cells is associated with loss of control of the negative regulation of cell growth. TGF-β1 is one of the few negative regulators, so the relationship between TGF-β1 system disorders and tumor formation is paid more and more attention. For this reason, we dynamically observed serum TGF-β1 in children with acute leukemia and summarized as follows: Materials and methods First, the object of study by our hospital clinical, blood, bone marrow morphology and immunity