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急性白血病患儿L-4与mL-4的表达 被引量:4

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摘要 目的探讨急性细胞性白血病患儿血清可溶性细胞毒性细胞相关抗原4(L-4)与外周血细胞表面L-4(mL-4)的表达水平。方法采用ELI法检测30例初发急性细胞白血病患儿治疗前和完全缓解后血清L-4水平,采用流式细胞术测定患儿外周血细胞表面mL-4的表达。比较其治疗前、缓解后与32名健康儿童之间L-4、mL-4水平的差异。结果 (1)初发组血清L-4浓度为(34.27±18.39)ng/L,明显低于正常对照组(193.73±105.37)ng/L,P〈0.01。(2)持续完全缓解6个月后L-4水平与对照组比较差异无统计学意义(P〉0.05)(3)不同临床危险度之间血清L-4水平差异无统计学意义(P〉0.05);(4)治疗前白血病患儿外周血D4+、D8+细胞mL-4表达显著高于正常(P〈0.01);(5)白血病患儿在达到完全缓解时外周血IM+、D8+细胞mL-4的表达显著低于治疗前(P〈0.01),与正常对照组比较差异无统计学意义(P〉0.05)。结论白血病的发病与机体免疫功能的紊乱互为因果,互相影响。
出处 《国际儿科学杂志》 2015年第1期117-119,共3页 International Journal of Pediatrics
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