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Updated: Jun 27, 2025

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
Published on: June 6, 2025
Transcriptome Analysis of Rheumatoid Arthritis Uncovers Genes Linked to Inflammation-Induced Pain.
Bradford E Hall1, Khadijah Mazhar2, Emma Macdonald1
1National Institute of Dental and Craniofacial Research, National Institutes of Health.
Researchers studied dorsal root ganglia (DRGs) in rheumatoid arthritis (RA) patients to understand chronic pain. They found altered gene expression in DRGs, revealing upregulated inflammatory and pain pathways contributing to RA pain.
Area of Science:
- Neuroscience
- Immunology
- Genetics
Background:
- Rheumatoid arthritis (RA) is an autoimmune disease causing chronic inflammation, tissue damage, and pain.
- RA commonly affects peripheral joints, leading to synovitis and pain, and can impact the temporomandibular joint (TMJ).
- Understanding the molecular mechanisms of RA-induced pain signaling is crucial for developing effective treatments.
Conclusions:
- DRG transcriptome analysis reveals significant alterations in gene expression in RA patients.
- Upregulated inflammatory and pain signaling pathways in DRGs are implicated in the chronic pain associated with rheumatoid arthritis.
- These findings provide molecular insights into the mechanisms of RA-associated pain.
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