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8298024
Virus de Epstein – Barr
Description
Mind Map on Virus de Epstein – Barr, created by quique gon on 27/03/2017.
Mind Map by
quique gon
, updated more than 1 year ago
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Created by
quique gon
over 7 years ago
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Resource summary
Virus de Epstein – Barr
GENERALIDADES
Parásito de los LcB
Linfoma africano de Burkitt
Fam. Herpesviridae
FACTORES DE VIRULENCIA
Tropomismo tisular --> limitada expresión de cel de su receptor.
Receptor de C3b --> complemento --> LcB
Proteinas activadoras --> ZEBRA --> activa proteínas para la replicación celular.
Proteínas de adhesió y glucoproteínas.
Proteínas víricas
Antigeno precoz
Antigeno de cápside vírica
Antígeno de membrana
Antigenos nucleares de Epstein Barr (EBNA)
Proteínas latentes de membrana.
Act LcT
se vuelven Lc atípicos (cel de downey)
CLÍNICA
Provoca mononucleosis infecciosa positiva para anticuerpos hererófilos: causada por la guerra entre los LcB infectados y los LcT protectores.
Transmite por saliva
Niños subclínico
Eliminacion por saliva faringitis
Triada --> linfoadenopatía, esplenomegalia, faringitis exudativa.
cefalea, leve, fatiga, fiebre.
DIAGNÓSTICO
Recuento sanguíneo completo hiperplasia y Lc atípicos
Anticuerpos heterófilos
monospot
ELISA
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