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Title:Bovine spongiform encephalopathy: epidemiology and diagnosis
Authors:ID La Bonnardière, Claude, Department of Virology and Molecular Immunology, I.N.R.A. (Author)
ID admin (Author)
Files:.pdf PDF - Presentation file, download (600,39 KB)
MD5: AAFB4021858D05019FD1BDA5418B04B9
 
URL URL - Source URL, visit https://journals.um.si/index.php/agricultura/article/view/555
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Not in organisation
Abstract:Bovine spongiform encephalopathy (BSE) belongs to the group of of so-called “prion diseases”. These fatal neurodegenerative diseases are characterised by long incubation periods, and in the clinical phase by the presence of amyloid deposits, in the central nervous system, of an abnormally folded form of a host protein, PrP. BSE emerged in the UK in 1986, probably through feeding cattle with animal proteins from infected carcasses, possibly those of scrapie-infected sheep. Not only BSE was exported to other countries in Europe via MBM and live cattle, but it was most probably the origin in humans of a variant of Creutzfzeld-Jacob disease (vCJD), first described in Great Britain in 1996. vCJD incidence is regularly increasing, most cases being among UK citizens. Due to a very difficult clinical diagnosis, BSE incidence in countries outside UK has been and still is most probably underestimated. Some countries (Germany, Spain, Italy) have ignored indigenous BSE cases until 2001, when EU directives implemented systematic tests for over 30 months cattlle entering the food chain. Present tests approved by the EU rely upon detection of abnormal PrP (proteinase K resistant) in the brain of cattle after slaughter. These tests provide a reasonable precautionary measure for protection of human health (the best precaution being the removal of SRM from carcasses), but cannot help much the eradication of BSE. Control and eradication of BSE will depend on specific and sensitive diagnostic tests that could be applied on live animals early in infection. Several recently published results give some hope that such early diagnostic tests might be available in a near future.
Keywords:bovine spongiform encephalopathy, epidemiology, diagnosis, test
Publication status:Published
Publication version:Version of Record
Publisher:Univerzitetna založba Univerze v Mariboru
Year of publishing:2002
Number of pages:str. 1-7
Numbering:Vol. 1, no. 1
UDC:631
ISSN on article:2820-610X
DOI:10.18690/agricultura.1.1.1-7.2002 New window
OAI Vir-ID:vir-1:oai:journals.um.si:article/555
Publication date in DiRROS:23.10.2025
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Record is a part of a journal

Title:Agricultura Scientia
Publisher:Univerzitetna založba Univerze v Mariboru
ISSN:2820-610X

Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.

Secondary language

Language:Slovenian
Abstract:Goveja spongioformna encefalopatija (BSE): epidemiologija in diagnoze. Goveja spongioformna encefalopatija (BSE) spada v skupino tako imenovanih "prionskih bolezni". Za to smrtno nevrodegenerativno bolezen so značilne dolge inkubacijske dobe in v klinični fazi prisotnost amiloidnih depozitov v centralnem živčnem sistemu ter nenormalno zavita oblika proteina PrP. BSE se je pojavila leta 1986 v Veliki Britaniji, verjetno s pomočjo krmljenja živine z živalskimi beljakovinami iz okuženih trupov ovac okuženih s praskavcem. BSE je bil izvožen v druge Evropske države preko MBM in žive živine, vendar pa je bila najverjetneje prisotna že preje pri ljudeh z varianto Creutzfeldt-Jakobove bolezni (CJB). Prvi takšen primer je bil opisan v Veliki Britaniji leta 1996. Pojavnosti CJB se redno povečuje v večini primerov med državljani Združenega kraljestva. Zaradi težke klinične diagnoze je pojavnost BSE v državah izven VB bila verjetno podcenjena. Nekatere države (Nemčija, Španija, Italija) so do leta 2001 prezrle primere BSE. Testi, ki jih je EU odobrila temeljijo na odkrivanju nenormalnih PrP (proteinaze K odporen) v možganih govedi po zakolu. Ti testi zagotavljajo razumen previdnostni ukrep za zaščito zdravja ljudi (najboljši varnostni ukrep pa je odstranitev specifičnega rizičnega materiala iz trupov), vendar to ne more veliko pomagati pri izkoreninjenju BSE. Nadzor in izkoreninjenje BSE bosta odvisna od posebnih in občutljivih diagnostičnih testov, ki se lahko uporabljajo na živih živali v začetku okužbe. Več nedavno objavljenih rezultatov daje upanje, da bi lahko v bližnji prihodnosti imeli na voljo takšne zgodnje diagnostične teste.
Keywords:goveja spongioformna encefalopatija, epidemiologija, diagnoze, testi


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