Advancing allele group-specific amplification of the complete HLA-C gene—isolation of novel alleles from three allele groups (C*04, C*07 and C*08)

Authors


Correspondence

Carlos Vilches

Servicio de Inmunología

Hospital Universitario Puerta de Hierro

Manuel de Falla 1

Majadahonda 28220

Madrid

Spain

Tel: +34 911916766

Fax: +34 913160644

e-mail: carlos.vilches@yahoo.com

Abstract

A variety of strategies have been designed for sequence-based HLA typing (SBT) and for the isolation of new human leucocyte antigen (HLA) alleles, but unambiguous characterization of complete genomic sequences remains a challenge. We recently reported a simple method for the group-specific amplification (GSA) and sequencing of a full-length C*04 genomic sequence in isolation from the accompanying allele. Here we build on this strategy and present homologous methods that enable the isolation of HLA-C alleles belonging to another two allele groups. Using this approach, which can be applied to sequence-based typing in some clinical settings, we have successfully characterized three novel HLA-C alleles (C*04:128, C*07:01:01:02, and C*08:62).

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