A Gunn rat model of preterm hyperbilirubinemia.

A Gunn rat model of preterm hyperbilirubinemia.
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DOI:
10.1038/s41390-019-0599-x
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发表时间:
2020-03
期刊:
影响因子:
3.6
通讯作者:
Bearer CF
Bearer CF
中科院分区:
医学3区
文献类型:
--
作者:
Waddell J;He M;Tang N;Rizzuto C;Bearer CF

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胆红素对早产儿的影响还知之甚少。动物模型将有助于提高理解能力。Gunn大鼠缺乏尿苷二磷酸-葡萄糖醛酸基转移酶1,可以通过注射磺胺二甲氧嘧啶(Sulfa)引起急性高胆红素血症,这种药物可以取代白蛋白中的胆红素,从而增加游离胆红素。在出生后第5天,Gunn大鼠分别注射生理盐水和磺胺类药物,检测Gunn大鼠的葡萄糖醛酸基转移酶活性。测量小鼠的行为和小脑重量。幼崽没有表现出任何急性胆红素脑病的迹象。仅JJ-磺胺组仔猪体重在P8时显著下降。只有JJ-磺胺组的行为受到影响。JJ-磺胺组小脑重量明显减轻。Gunn大鼠幼鼠模型可能是研究早产儿高胆红素血症的良好模型。
The impact of bilirubin in preterm infants is poorly understood. An animal model would assist in improving understanding. The Gunn rat lacks uridine diphosphate-glucuronylsyl transferase 1 and can be made acutely hyperbilirubinemic by injection of sulfodimethoxine (sulfa), a drug that displaces bilirubin from albumin and thus increases free bilirubin. On postnatal day (P) 5, Gunn rats either heterozygous (Nj) or homozygous (jj) for glucuronosyltransferase activity were injected with either saline or sulfa. Behavior and cerebellar weight were measured. Pups did not show any signs of acute bilirubin encephalopathy. Pup weight dropped significantly on P8 only in the jj-sulfa group. Behavior was affected only in the jj-sulfa group. Cerebellar weight was significantly less in the jj-sulfa group. The Gunn rat pup model may be a good model to study hyperbilirubinemia in preterm infants.
DOI: 10.1159/000047136
发表时间: 2001-01-01
期刊: BIOLOGY OF THE NEONATE
影响因子: --
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Ahlfors, CE;Shapiro, SM
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期刊: The New England journal of medicine
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