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首页> 外文期刊>Infection and immunity >Antibody-Based Protection of Gnotobiotic Piglets Infected with Escherichia coli O157:H7 against Systemic Complications Associated with Shiga Toxin 2
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Antibody-Based Protection of Gnotobiotic Piglets Infected with Escherichia coli O157:H7 against Systemic Complications Associated with Shiga Toxin 2

机译:基于抗体的农杆菌仔猪O157:H7感染的抵抗针对志贺毒素2相关系统性并发症的保护

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Hemolytic-uremic syndrome (HUS) is a serious disease in children, attributable in the majority of cases to infection with Shiga toxin (Stx)-producing Escherichia coli. Using gnotobiotic piglets orally infected with E. coli O157:H7, which develop Stx-related cerebellar lesions and fatal neurological symptoms, we show that administration of Stx2-specific antiserum well after challenge protected, in a dose-response fashion, against these symptoms for at least 24 h after bacterial challenge. Twenty-six of 30 piglets given Stx2 antiserum survived the challenge, compared to only 4 of 16 animals given control serum or saline. Given our observations in piglets, Stx antibody of human origin may likewise prevent HUS in children.
机译:溶血性尿毒症综合征(HUS)是儿童的一种严重疾病,在大多数情况下可归因于产志贺毒素(Stx)的大肠杆菌的感染。使用经口感染 E的致癌小猪。大肠杆菌O157:H7会发展出与Stx相关的小脑病变和致命的神经系统症状,我们证明,挑战后良好地服用Stx2特异性抗血清可以剂量反应的方式保护这些症状至少24小时细菌攻击后。给予Stx2抗血清的30只小猪中有26只在攻击中幸存下来,而接受对照血清或生理盐水的16只动物中只有4只。根据我们在仔猪中的观察结果,人类源性Stx抗体同样可以预防儿童的HUS。

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