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疯牛病与变异型克雅氏病 被引量:4

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摘要 1 朊粒病(Prion Disease)的发现疯牛病(Med Cow Disease),学名称牛海绵状脑病(Bovine Spongiform Encephalopathy,BSE)、羊痒病(Scrapie)及变异型克雅氏病(New Variant CreutzfeldtJakob Disease,vCJD),俗称人类疯牛病,现已知它们的共同病原为朊粒(Prion),亦称朊蛋白(Prion Protein,PrP),有人译成朊病毒,实则朊粒是蛋白,不应认为是病毒.   朊粒分正常朊粒和致病朊粒两种,前者用PrPc或PrP-sen表示,PrP代表Prion protein,c代表Cellular,sen代表sensitive,因正常朊粒对蛋白酶K分解作用较敏感;后者用PrPsc表示,sc是羊痒病Scrapie的简写,或以PrP-res表示,res是resistant的简写,此因致病朊粒对蛋白酶K降解作用有一定抵抗力.正常与致病朊粒主要区别在于分子空间结构,前者有α螺旋形排列,后者有β状排列.
出处 《中国预防医学杂志》 CAS 2001年第4期306-308,共3页 Chinese Preventive Medicine
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参考文献16

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共引文献19

同被引文献34

  • 1张敏.克雅氏病[J].旅行医学科学,1996,0(4):189-190. 被引量:1
  • 2赵军,陈昊.变异性克-雅氏病研究进展[J].传染病信息,2004,17(2):54-55. 被引量:5
  • 3陈晓青,海青,伊立野.外来物种入侵的法律问题研究[J].内蒙古大学学报(哲学社会科学版),2005,37(6):76-79. 被引量:10
  • 4范明远.人类疯牛病[A].见:郭积勇主编.新发传染病的预防与控制[C].北京:中国协和医科大学出版社,2002.456-471.
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