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Docta Complutense
Doctoral thesis . 2018
Data sources: Docta Complutense
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Estudio del polimorfismo del gen inmunosupresor HLA-G, en amerindios

Authors: Enríquez de Salamanca Carrascosa, Mercedes;

Estudio del polimorfismo del gen inmunosupresor HLA-G, en amerindios

Abstract

El complejo mayor de histocompatibilidad (MHC, del inglés Major Histocompatibility Complex), constituye un conjunto de genes, en su mayoría altamente polimórficos, cuyos productos se expresan en la superficie de gran variedad de células y que son responsables de la respuesta inmune “adaptativa”. Se considera que estos genes están presentes en todos los vertebrados. Estas moléculas son glicoproteínas de membrana, que actúan como presentadoras de antígeno a los linfocitos T. Se han definido clásicamente como antígenos de trasplante, ya que median las reacciones de rechazo que se producen contra los injertos de órganos. El sistema principal de histocompatibilidad del hombre se denomina sistema HLA (del inglés, Human Leukocyte Antigen). Se localiza físicamente en el brazo corto del cromosoma 6 humano, ocupando una región de aproximadamente 4 millones de pares de bases (4Mb). La función principal de las moléculas HLA es facilitar el despliegue de fragmentos moleculares únicos en la superficie de las células, en un orden que permite su identificación mediante efectores inmunes, como los Linfocitos T. las moléculas HLA de clase I y clase II son glicoproteínas de membrana responsables de los pasos de reconocimiento y unión, mientras que otros genes de esta región, contribuyen en el procesamiento y presentación antigénico de otra forma. Un gen polimórfico es aquel que tiene una alta frecuencia de variantes genéticos, y los genes HLA son los más polimórficos de la especie humana. Esto se debe a su principal papel en la respuesta inmune...

Country
Spain
Related Organizations
Keywords

577.27(043.2), Histocompatibility, Histocompatibilidad, 3201.03 Microbiología Clínica, Microbiología médica

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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!
0
Average
Average
Average
Green