Skip to main content

Advertisement

Log in

The role of HLA genes in pharmacogenomics: unravelling HLA associated adverse drug reactions

  • Review
  • Published:
Immunogenetics Aims and scope Submit manuscript

Abstract

Genetic polymorphism in the genes encoding the human leukocyte antigen (HLA) molecules enables presentation of a wide range peptide ligands thus maximising immune surveillance of pathogens. A consequence of the diversification of the HLA Ag-binding pocket is the enhanced opportunity for off-target binding of small drugs by HLA molecules, with subsequent immune reactivity. These potential off-target interactions are ‘set up’ to generate T cell-mediated adverse drug reactions even though the precise mechanisms of most HLA-drug interactions are still poorly understood. The association between abacavir hypersensitivity syndrome and HLA-B*57:01 is one exception that has been resolved at a molecular and mechanistic level. Here, we explore the road to understanding the interaction between abacavir and the HLA-B*57:01 molecule and review the current state of understanding of interactions between other drugs and HLA molecules implicated in adverse drug reactions, which appear to involve multiple mechanisms. The continued expansion of the pharmacopoeia generates an imperative to understand these interactions at the molecular level in order to prevent the continued burden on individuals and the health care system.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3

Similar content being viewed by others

References

Download references

Acknowledgments

PTI is supported by an Australian National Health and Medical Research Council (NHMRC) Early Career Fellowship (1072159). AWP is supported by a NHMRC Senior Research Fellowship (1044215) and a NHMRC project grant (1122099). JMc was supported by a NHMRC Project Grant (1120467) and Program Grant (1113293). Thank you to Julian Vivian and Jamie Rossjohn for assistance with structural figures.

Author information

Authors and Affiliations

Authors

Corresponding author

Correspondence to James McCluskey.

Additional information

This article is published in the Special Issue MHC Genes and Their Ligands in Health and Disease with Editor Prof. Ronald Bontrop.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Illing, P.T., Purcell, A.W. & McCluskey, J. The role of HLA genes in pharmacogenomics: unravelling HLA associated adverse drug reactions. Immunogenetics 69, 617–630 (2017). https://doi.org/10.1007/s00251-017-1007-5

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s00251-017-1007-5

Keywords

Navigation