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Inicio Medicina Clínica Microquimerismo fetal en pacientes con cirrosis biliar primaria
Journal Information
Vol. 119. Issue 20.
Pages 770-772 (January 2002)
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Vol. 119. Issue 20.
Pages 770-772 (January 2002)
Microquimerismo fetal en pacientes con cirrosis biliar primaria
Fetal microchimerism in patients with primary biliary cirrhosis
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Albert Selva O'Callaghana,
Corresponding author
aselva@hg.vebron.es

Correspondencia: Dr. A. Selva O'Callaghan. Siracusa, 12 bis, A. 08012 Barcelona.
, Eva Balada Pradesb, Lluís Castells Fustéc, Víctor Vargas Blascoc, Roser Solans Laquea, Miquel Vilardell Tarrésa
a Servicio de Medicina Interna Hospital General Vall d'Hebron. Barcelona. España
b Unidad de Investigación en Autoinmunidad Hospital General Vall d'Hebron. Barcelona. España
c Servicio de Hepatología. Hospital General Vall d'Hebron. Barcelona. España
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Fundamento

Se ha implicado la existenciade microquimerismo fetal (MQF) en la etiopatogeniade la CBP. El objetivo de este estudiofue determinar la presencia de MQFen pacientes diagnosticadas de CBP.

Pacientes y método

Se estudió la presenciade MQF en 28 mujeres, 14 con CBP y 14controles sanos. Se extrajo ADN a partir decélulas de sangre periférica, y mediante reacciónen cadena de polimerasa se detectóuna secuencia específica de cromosoma Y,que se confirmó por análisis Southern blot.

Resultados

Se detectó MQF en un únicapaciente diagnosticada de CBP (7%) y ennigún caso del grupo control.

Conclusiones

La presencia de MQF no parecedesempeñar un papel importante en lapatogenia de las pacientes con CBP.

Palabras clave:
Microquimerismo fetal
Autoinmunidad
Cirrosis biliar primaria
Background

Fetal microchimerism (FM)has been implicated in the pathogenesis ofprimary biliary cirrhosis (PBC). The aim ofthe study was to investigate the presence ofFM in PBC patients.

Patients and method

FM was studied in 28women, 14 with PBC and 14 healthy controls.DNA was extracted from peripheralblood cells, and a PCR analysis to detect aspecific Y-chromosome sequence was performed.Specificity was confirmed by Southern-blot analysis.

Results

The Y-chromosome sequence wasamplified from peripheral-blood cell DNA inonly one PBC patient and in none of thecontrols.

Conclusions

FM does not seem to play amajor role in patients with PBC.

Key words:
Fetal microchimerism
Autoimmunity
Primary biliary cirrhosis

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