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A national survey on the allelic, genotypic, and haplotypic distribution of PRNP insertion and deletion polymorphisms in Korean cattle

机译:一项关于韩国牛PRNP插入和缺失多态性的等位基因,基因型和单倍型分布的国家调查

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摘要

Transmissible spongiform encephalopathies (TSEs), also referred to as prion diseases, are fatal diseases which gradually destroy the brain tissues with a characteristic ‘sponge-like’ appearance. They include Kuru and Creuzfeldt-Jakob disease (CJD) in humans, scrapie in sheep and goats, and bovine spongiform encephalopathy (BSE) in cattle. The PrPSc generated from the endogenous cellular prion protein (PrPc) by a posttranslational modification, is the pathogenic agent and its accumulation causes the prion diseases (Prusiner 1991). What these diseases make more hazardous is that the pathogenic agent is transmissible across species. The BSE, resulting from cattle ingesting scrapie-infected or BSEinfected meat and bone meal, is also implicated in development of variant CJD (vCJD) in humans through consumption of beef from BSE-affected cattle (Hill et al. 1997). For this reason, BSE poses a serious threat to humans as well as cattle.
机译:传染性海绵状脑病(TSE),也称为病毒病,是致命性疾病,会逐渐破坏脑组织,并具有“海绵样”特征。它们包括人类的库鲁病和克雅兹病(CJD),绵羊和山羊的瘙痒病以及牛的海绵状脑病(BSE)。通过翻译后修饰从内源性细胞病毒蛋白(PrPc)产生的PrPSc是病原体,其积累会引起the病毒疾病(Prusiner 1991)。这些疾病更危险的是,致病因子可跨物种传播。牛摄入牛瘙痒病感染或牛海绵状脑病感染的肉和骨粉导致的牛海绵状脑病也与食用受牛海绵状脑病感染的牛的牛肉有关,从而导致人体内变异克雅氏病(vCJD)的发展(Hill et al。1997)。因此,疯牛病对人类和牲畜都构成了严重威胁。

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