HLA-DR6
HLA-DR6 is a human leukocyte antigen serotype within HLA-DR serotype group. The serotype is determined by the antibody recognition of HLA-DRB1*06 and *14 gene products. This broad antigen group is produced by the major histocompatibility complex (MHC) gene complex in humans. This group is part of a larger family of genes known as the immune system genes. HLA-DR6 is an integral part of the immune response system, playing a crucial role in the regulation of immune response to pathogens.
Function[edit | edit source]
HLA-DR6, like other HLA class II molecules, is primarily responsible for presenting peptides derived from extracellular proteins to the T cells. It is expressed in antigen-presenting cells (APC), including macrophages, dendritic cells, and B cells. The interaction between HLA-DR6 and T cells is crucial for the activation of the adaptive immune response.
Association with Diseases[edit | edit source]
HLA-DR6 has been associated with several autoimmune and inflammatory diseases. These include multiple sclerosis, rheumatoid arthritis, and systemic lupus erythematosus. The exact mechanism of how HLA-DR6 contributes to these diseases is not fully understood, but it is believed to involve the presentation of self-peptides to T cells, leading to an autoimmune response.
Genetic Diversity[edit | edit source]
The HLA-DR6 gene exhibits a high degree of polymorphism, meaning that there are many different versions of the gene in the human population. This genetic diversity is believed to be a result of evolutionary pressure from various pathogens, as different HLA-DR6 variants can present different sets of peptides to T cells.
See Also[edit | edit source]
DR Illustration
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Contributors: Prab R. Tumpati, MD
