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光照疗法对新生儿红细胞谷胱甘肽还原酶活性的影响 被引量:3

THE EFECT OF PHOTOTHERAPY ON THE ACTOVITYOF GLUTATHIONE REDUCTASE IN RED BLOOD CELLS OF NEONATES
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摘要 作者对光照疗法(光疗)前及光疗后于口服维生素B_2(43例)和不予口服维生素B_2(17例)的黄疸新生儿的红细胞谷胱甘肽还原酶(GR)的活性进行了动态观察。结果显示,接受短期光疗的黄疸新生儿其红细胞GR活性较光疗前的GR活性有显著下降,光疗后予口服维生素B_2可使下降的红细胞GR活性回升,而不予补充维生素B_2者的红细胞GR活性继续下降。光疗的时间越长,红细胞GR活性的下降越明显,补充维生素B_2使红细胞GR活性回复到正常水平所需的时间也越长。短期光疗也可引起体内维生素B_2的降解,导致红细胞GR活性的下降,为避免因红细胞GR活性下降引起的红细胞额外破坏,对接受光疗的黄疸新生儿常规补充维生素B_2的是必要的。 n order to investigate the impact of short-term pho-totherapy on the activity of glutathione reductase(GR)in red blood cells (RBC)of neonates,the GR activity inRBC of jaundiced neonates before and after phototherapyand the effect of post-phototherapy with and without ad-ministration of riboflavin were observed. The resultsshowed that the GR activity in RBC of jaundicedneonates was decreased significantly after short-termphototherapy,and the administration of riboflavin afterphototherapy could recover the GR activity. If riboflavinwas not given after phototherapy,the decreased GR ac-tivity would last for a longer time. The longer pho-totherapy was manipulated,the more the GR activitywas decreased, and the longer the time was required forthe recovery of GR activity by administering riboflavin.The results indicated that short-term phototherapy couldcause the degradation of riboflavin in vivo,and conse-quently resulted in the decrease of GR activity in RBC.Therefore it is recommanded to give riboflavin orally tothe jaundiced neonates undergoing phototherapy.
出处 《中华血液学杂志》 CAS CSCD 北大核心 1994年第6期298-300,共3页 Chinese Journal of Hematology
基金 国家自然科学基金
关键词 红细胞 光照疗法 新生儿黄疸 Red blood cells Glutathione reductase Phototherapy Riboflavin
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  • 1吴梓梁,实用儿科临床杂志,1986年,1卷,9页

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