HLA-DR14

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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

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

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

HLA-DR14 has been associated with several autoimmune diseases, including:

• Rheumatoid arthritis
• Systemic lupus erythematosus
• Type 1 diabetes

Transplantation

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

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

• 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

• Human leukocyte antigen
• Autoimmune disease
• Transplantation medicine
• Serotype
• Chromosome 6