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Título: | Current concepts in human prion protein (Prp) misfolding, Prnp gene polymorphisms and their contribution to Creutzfeldt-Jakob Disease (CJD) |
Fecha de publicación: | 2007 |
Editorial: | Murcia : F. Hernández |
ISSN: | 0213-3911 |
Materias relacionadas: | 61 - Medicina |
Palabras clave: | Prion diseases PRNP gene |
Resumen: | Transmissible spongiform encephalopathies are a group of neural degenerative diseases that may be infectious, sporadic, or hereditary and are associated with an abnormally folded prion protein. Unfortunately at the current time it is not at all clear what the normal structure of the prion protein actually is or how it is toxic to cells. Extensive research on prion diseases has led to a dramatic increase in understanding of the pathogenesis of prion disorders, which will hopefully lead to the development of effective treatments. The inability to detect the disease in blood using current technology has made screening difficult. While fortunately there has been a decline in the number of clinical cases of transmissible variant CJD, evidence indicates that very long incubation periods can occur in humans so there may be a long slow, gradual epidemic. In particular, clinical cases in genotypes other than those homozygous for methionine at codon 129 of PRNP have not yet occurred, but such cases might be expected to have longer incubation periods and show differences in pathology to those seen to date. proportion of infected animals develop sub-clinical disease. Moreover, results from a large prevalence study in humans show that several cases test positive but do not develop clinical disease. It is possible therefore that further cases of secondary transmission could occur by iatrogenic spread, which could result in vCJD persisting in the UK at low levels for many years, highlighting the importance of continued vigilance. |
Autor/es principal/es: | Michalczyk, K. Ziman, M. |
Forma parte de: | Histology and histopathology |
URI: | http://hdl.handle.net/10201/27650 |
Tipo de documento: | info:eu-repo/semantics/article |
Número páginas / Extensión: | 11 |
Derechos: | info:eu-repo/semantics/openAccess |
Aparece en las colecciones: | Vol.22, nº10 (2007) |
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Fichero | Descripción | Tamaño | Formato | |
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Current concepts in human prion protein Prp misfolding Prnp gene polymorphisms and their contribution to CreutzfeldtJakob Disease CJD.pdf | 3,56 MB | Adobe PDF | Visualizar/Abrir |
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