Abstract
Usually, HLA typing has been performed either by serology-based typing incubating a panel of known anti-HLA antibodies with viable lymphocytes of unknown HLA type or by molecular typing including medium-resolution HLA typing by Sequence Specific Oligonucleotide Probes (SSOP) or high-resolution HLA typing by Sequence Based Typing (SBT). Traditionally, HLA antigens have been defined using serological techniques, but these methods have several disadvantages, such as low resolution, the requirement for viable cells, and cell surface expression of HLA molecules. HLA type screening methods are categorized as low, medium, and high resolution, and only sequencing-based typing methods provide the highest resolution and are considered the gold standard for HLA typing.
Among the HLA SBT based-methods, the Pyrosequencing® technique is an extremely versatile and accurate real-time sequencing technique with some advantages compared to classic Sanger method.
Here, we describe a quick and inexpensive method that allows through the use of Pyrosequencing subtyping of HLA class I molecules, into HLA-Bw6, -Bw4 I80, or -Bw4 T80 and HLA-C1, or -C2 groups. In particular, this analysis is focused on the amino acids around residue 80. This method demonstrated good sensitivity, specificity, and reproducibility. Using a quantitative allele acquisition mode, the method provides accurate sequence information required for the definition of heterozygous and/or homozygous samples.
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Vanni, I., Ugolotti, E., Larghero, P., Biassoni, R. (2015). HLA-B and HLA-C Supratyping by Pyrosequencing® . In: Lehmann, U., Tost, J. (eds) Pyrosequencing. Methods in Molecular Biology, vol 1315. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-2715-9_11
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DOI: https://doi.org/10.1007/978-1-4939-2715-9_11
Publisher Name: Humana Press, New York, NY
Print ISBN: 978-1-4939-2714-2
Online ISBN: 978-1-4939-2715-9
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