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再生障碍性贫血中色氨酸和犬尿氨酸的检测方法及意义 被引量:1

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摘要 目的:建立检测再生障碍性贫血(aplastic anemia,简称再障)血清中色氨酸(Trp)及其代谢产物犬尿氨酸(Kyn)水平的方法,探讨其与疾病之间的关系。方法:应用反向高效液相色谱法检测,以荧光检测器检测Trp,以紫外检测器检测Kyn的血清水平。结果:再障患者血清Trp浓度明显低于正常对照,Kyn浓度明显高于正常对照(P<0.05);再障动物模型结果与患者血清结果相同。结论:再障中吸哚胺-2,3-双加氧酶的活性较正常明显增高,促进色氨酸向犬尿氨酸转化,造成细胞内的"色氨酸饥饿状态"从而抑制T细胞的活化和增殖,可能是机体的一种自我保护机制。
出处 《实用医学杂志》 CAS 2008年第22期3851-3853,共3页 The Journal of Practical Medicine
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