Related Experiment Video
Updated: Jul 16, 2026
08:51
Genotyping of Staphylococcus aureus by Ribosomal Spacer PCR (RS-PCR)
Published on: November 4, 2016
HLA-B typing by reference strand mediated conformation analysis using a capillary-based semiautomated genetic
1Department of Histocompatibility and Immunogenetics, North London Centre, National Blood Service, London, UK. david.turner@nbs.nhs.uk
Human Immunology
|April 11, 2001
Summary
Capillary Reference Strand Conformation Analysis (RSCA) is a new method for Human Leukocyte Antigen B (HLA-B) typing. This technique shows promise for accurate and efficient HLA-B allele identification in clinical settings.
Area of Science:
- Immunogenetics
- Molecular Biology
- Human Leukocyte Antigen (HLA) Typing
Background:
- Reference Strand Conformation Analysis (RSCA) has been applied to HLA-A typing using capillary electrophoresis.
- There is a need for efficient and accurate methods for Human Leukocyte Antigen B (HLA-B) typing.
Purpose of the Study:
- To develop and validate capillary RSCA for HLA-B typing.
- To define mobility values for HLA-B alleles using capillary electrophoresis.
Main Methods:
- Capillary electrophoresis was used to analyze 93 HLA-B alleles.
- Simultaneous electrophoresis of three fluorescently labelled references with different dyes.
- Validation by comparing capillary RSCA results with reverse SSO typing in 296 cord blood donors.
Main Results:
- Mobility values for 93 HLA-B alleles were established.
- 14.5% of samples required confirmatory typing after capillary RSCA, versus 5.1% for reverse SSO.
- 100% correlation was observed between methods when no further typing was needed.
Conclusions:
- Capillary RSCA is a quick and easily implementable method for HLA-B typing.
- The technique has potential for high-resolution typing with advancements in fluorescent labels and gel matrices.
