HLA-DR14
HLA-DR14 is a human leukocyte antigen (HLA) serotype that is part of the HLA-DR antigen system. The HLA-DR14 serotype recognizes the DRB1*1401 to *1406 gene products. This serotype is associated with several autoimmune diseases and is important in transplantation medicine.
Genetics[edit | edit source]
HLA-DR14 is encoded by the HLA-DRB1 gene, which is located on the short arm of chromosome 6 (6p21.3). The HLA-DRB1 gene is highly polymorphic, meaning it has many different alleles, which contribute to the diversity of the immune response.
Serology[edit | edit source]
The HLA-DR14 serotype is identified by its reaction with specific antibodies in serological testing. This serotype is part of the broader HLA-DR antigen system, which includes other serotypes such as HLA-DR1, HLA-DR2, and HLA-DR3.
Disease Associations[edit | edit source]
HLA-DR14 has been associated with several autoimmune diseases, including:
Transplantation[edit | edit source]
In the context of organ transplantation, matching HLA-DR14 between donor and recipient can improve transplant outcomes and reduce the risk of graft-versus-host disease (GVHD). HLA typing is a critical step in the process of bone marrow and solid organ transplantation.
Population Distribution[edit | edit source]
The frequency of HLA-DR14 varies among different populations. It is more common in certain ethnic groups, which can have implications for disease prevalence and transplantation compatibility.
Related HLA-DR Serotypes[edit | edit source]
- HLA-DR1
- HLA-DR2
- HLA-DR3
- HLA-DR4
- HLA-DR5
- HLA-DR6
- HLA-DR7
- HLA-DR8
- HLA-DR9
- HLA-DR10
- HLA-DR11
- HLA-DR12
- HLA-DR13
- HLA-DR15
- HLA-DR16
See Also[edit | edit source]
References[edit | edit source]
External Links[edit | edit source]
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Contributors: Prab R. Tumpati, MD