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Human leukocyte antigen variants and clinical features of primary biliary cholangitis: Cumulative contributions
1Department of Immunology, Faculty of Medicine and Pharmacy of Oujda, Mohammed First University, Oujda 60049, Morocco. a.bouayad@ump.ac.ma.
Insights
Human leukocyte antigen (HLA) alleles cumulatively influence primary biliary cholangitis (PBC) and autoimmune hepatitis overlap syndrome. Specific HLA haplotypes impact disease progression and treatment response, aiding personalized PBC management.
Area of Science:
- Immunogenetics
- Hepatology
- Autoimmune Diseases
Background:
- Primary biliary cholangitis (PBC) is a complex autoimmune liver disease.
- Previous research focused on non-HLA genes, leaving the role of HLA alleles incompletely understood.
- Understanding genetic contributions is crucial for managing disease heterogeneity.
Abstract:
This letter to the editor highlights the importance of considering potential cumulative contributions among human leukocyte antigen (HLA) alleles in shaping the clinical manifestations of primary biliary cholangitis. Complementing the overview by Curto et al, which focused on non-HLA candidate genes, this paper emphasizes that specific haplotypes of HLA-DRB1, HLA-DQA1, and HLA-DQB1, as well as HLA-G*01:01:01:08/UTR-1, may modulate disease heterogeneity, predisposition to primary biliary cholangitis and autoimmune hepatitis overlap syndrome, disease progression, and poorer therapeutic response. A comprehensive understanding of these HLA polymorphisms and their interactive effects is essential for improving risk stratification and guiding personalized management of this complex autoimmune liver disease.
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