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Arthritis in HLA-B27 transgenic animals
1Harold C. Simmons Arthritis Research Center, University of Texas Southwestern Medical Center, Dallas 75235-8884, USA. joel.taurog@email.swmed.edu
The American Journal of the Medical Sciences
|October 10, 1998
Summary
Transgenic rats and mice expressing HLA-B27 offer insights into spondyloarthropathies. These models exhibit spontaneous multisystem disease, including arthritis, aiding research into human inflammatory conditions.
Area of Science:
- Immunology
- Genetics
- Rheumatology
Background:
- Human Leukocyte Antigen B27 (HLA-B27) is strongly associated with spondyloarthropathies.
- Transgenic animal models are crucial for understanding HLA-B27-related diseases.
Purpose of the Study:
- To review the utility of HLA-B27 transgenic rats and mice as models for human spondyloarthropathies.
- To discuss insights into disease pathogenesis derived from these animal models.
Main Methods:
- Investigation of spontaneous disease in rats and mice engineered to express HLA-B27.
- Analysis of disease characteristics, including T-cell dependence and environmental/genetic influences.
- Comparison of disease prevalence in transgenic versus non-transgenic mice.
Main Results:
- High HLA-B27 expression in rats, along with human beta2-microglobulin (hbeta2m), leads to spontaneous multisystem disease.
- Arthritis and enthesopathy observed in non-transgenic mice appear more prevalent in B27 transgenic counterparts.
- Peripheral arthritis reported in B27 transgenic mice lacking mouse beta2m.
Conclusions:
- HLA-B27 transgenic rodents serve as valuable models for studying spondyloarthropathies.
- These models provide insights into the T-cell-dependent pathogenesis of B27-related inflammatory diseases.
- Further research using these models can elucidate mechanisms underlying human spondyloarthropathies.