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Published on: April 1, 2019
Transforming growth factor beta1 gene polymorphism in rheumatoid arthritis
1Second Department of Internal Medicine, Nagoya City University, Medical School, Nagoya, Japan.
The T allele of the transforming growth factor beta1 (TGFbeta1) gene may increase rheumatoid arthritis (RA) risk. This finding suggests a genetic link to RA development in patients with the T allele.
Area of Science:
- Immunology
- Genetics
- Rheumatology
Background:
- Rheumatoid arthritis (RA) is a chronic inflammatory disease involving immune cells and cytokines.
- Transforming growth factor beta1 (TGFbeta1) plays roles in inflammation, immune suppression, fibrosis, and angiogenesis, and is highly expressed in RA joints.
- TGFbeta1 polymorphisms can affect protein production and disease risk, prompting investigation into their role in RA.
Purpose of the Study:
- To investigate the association between the TGFbeta1 codon 10 T869C polymorphism and rheumatoid arthritis (RA).
Main Methods:
- A case-control study involving 155 RA patients and 110 healthy controls.
- DNA extraction from peripheral leukocytes.
- TGFbeta1 codon 10 T869C polymorphism analysis using polymerase chain reaction restriction fragment polymorphism.
Main Results:
- A significantly higher frequency of the T allele (CT or TT genotypes) was observed in RA patients compared to controls (p=0.039).
Conclusions:
- The T allele of TGFbeta1, previously linked to TGFbeta1 production, may be associated with an increased risk of developing rheumatoid arthritis.
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