Hla-dr3 Allele
Hla-dr3 Allele - Related Videos
08:07
Personalized Peptide Arrays for Detection of HLA Alloantibodies in Organ Transplantation
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Cited by 2 •
2017
Mismatches in human leukocyte antigen (HLA) sequences between organ donor and recipient pairs are the major cause of antibody-mediated rejection in organ transplantation. Here we present the use of custom antigen arrays that are based on individual donors' HLA sequences to probe anti-donor HLA alloantibodies in organ recipients.
03:15
A Peptide Array-Based Detection of Anti-donor HLA Alloantibodies in Organ Recipients
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2025
This video demonstrates an assay to detect anti-donor HLA alloantibodies in organ recipients. A peptide array is synthesized to represent potential epitopes for antibody-mediated organ rejection. The array is incubated with the recipient's serum, containing alloantibodies that bind to their target epitopes. Antibody binding is detected using chemiluminescence to identify donor-specific HLA epitopes that incite alloantibody reactivity.
02:19
Multiple Allele Traits
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2021
For the same gene multiple alleles can interact to influence phenotypes like the shape and protein composition of an individual cells.By studying allele interactions on the molecular and cellular levels researchers can understand the resulting phenotypes and complications of human conditions like sickle cell trait, improving treatment.The ABO blood group system is a common example of multiple alleles in humans. This system includes three alleles called IA, IB, and i alleles, which combine in...
02:41
Lethal Alleles
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2021
Agouti: A Lethal Allele Lucien Cuénot discovered lethal alleles in 1905 while studying the inheritance of coat color in mice. The agouti gene is responsible for the color of the coat in mice. This gene codes for an agouti-signaling protein, which is responsible for melanin distribution in mammals. The wild-type allele gives rise to gray-brown coat color in mice, while the mutant allele gives rise to yellow coat color. In addition to coat color, the agouti gene is associated with the yellow...
07:18
HLA-Ig Based Artificial Antigen Presenting Cells for Efficient ex vivo Expansion of Human CTL
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Cited by 17 •
2011
A new DC independent method for induction and expansion of antigen-specific T cells is described. HLA A2-Ig based artificial Antigen Presenting Cells (aAPC) are loaded with HLA-A2 restricted peptides to efficiently expand CTL of diverse antigen specificity. This technology holds great potential for CTL-based adoptive immunotherapy.
FAQs
Its HLA-DR molecule displays particular processed peptide fragments on antigen-presenting cells, determining which CD4-positive T cells can recognize them. This peptide presentation step influences downstream immune activation rather than producing a uniform response to every antigen. Studying these recognition patterns helps explain how inherited HLA variation can shape immune regulation.
The allele can alter immune recognition by influencing which peptide fragments are presented to CD4-positive T cells. That altered presentation may contribute to differences in immune regulation and disease susceptibility, but susceptibility reflects an association rather than certainty. Other genetic or immune factors can affect whether an immune-mediated disease develops.
An HLA-DR3 result indicates the presence of an immune-related genetic variant, not the presence or future certainty of a particular disease. Because the allele is associated with altered susceptibility rather than being determinative, it cannot independently establish a diagnosis. Its meaning is therefore best interpreted in the broader context of immune and genetic research.
Researchers examine HLA-DR3 as one source of genetic variation when investigating differences in immune responses and disease susceptibility among populations. These studies connect allele distribution with antigen presentation, immune regulation, and immune-mediated disease patterns. The resulting evidence can clarify risk relationships while preserving the distinction between population-level association and an individual outcome.
HLA-DR3 research can identify relationships between a specific immune-related allele and altered susceptibility to autoimmune or other immune-mediated diseases. Such findings may contribute to broader approaches for disease prediction, but the allele alone does not provide a definitive forecast. Its value comes from being considered alongside other biological and genetic information.
Variation in HLA-DR3 may help researchers investigate why immune responses and disease susceptibility differ between individuals. This makes the allele relevant to individualized approaches that seek to connect genetic background with immune regulation, prediction, or treatment strategies. The research context is exploratory and does not imply that allele status alone determines which therapy a person should receive.