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Medicina Clínica
Article . 2008 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Hemoglobinuria paroxística nocturna

Authors: Hernández-Campo, Pilar M.; Almeida, Julia; Orfao, Alberto;

Hemoglobinuria paroxística nocturna

Abstract

La hemoglobinuria paroxística nocturna (HPN) es una enfermedad clonal adquirida que afecta a la célula hematopoyética pluripotencial. Se origina por una mutación somática en el gen PIG-A (glucosilfosfatidilinositol de clase A), que codifica para una proteína involucrada en la síntesis de glucosilfosfatidilinositol (GPI). Esta molécula actúa como anclaje a la membrana citoplásmica de numerosas proteínas, cuya expresión será total o parcialmente deficiente en pacientes con HPN. En la actualidad se reconoce que la constatación de esta deficiencia por citometría de flujo constituye el método de elección para el diagnóstico de la enfermedad. Entre las moléculas deficitarias en la HPN se encuentran las proteínas reguladoras del complemento CD55 y CD59, cuya deficiencia es responsable de la hemólisis intravascular característica de la enfermedad. Además, los pacientes presentan predisposición a desarrollar fenómenos trombóticos e infecciones, y un grado variable de insuficiencia medular. En este trabajo se revisan los avances más recientes en el conocimiento de la patogenia de la enfermedad y los métodos de diagnóstico y seguimiento de los pacientes con HPN.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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