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Updated: Apr 16, 2026

An Adoptive Transfer Model of Rheumatoid Arthritis in Mice
Published on: June 6, 2025
Novel therapeutic targets in rheumatoid arthritis
Marije I Koenders1, Wim B van den Berg1
1Radboud University Medical Center, Experimental Rheumatology, Nijmegen, The Netherlands.
Abstract:
Rheumatoid arthritis (RA) is an autoimmune disease that leads to inflammation and destruction of synovial joints. Despite the broad spectrum of antirheumatic drugs, this heterogeneous disease is still not well controlled in up to 30% of patients. Here, we discuss two pathways that are regarded as interesting novel therapeutic targets in the field of rheumatology: the Janus kinase (JAK) pathway and the T helper-17 (Th17) pathway [including interleukin (IL)-17, IL-21, IL-22, and granulocyte-macrophage colony-stimulating factor (GM-CSF)]. We also review the therapy potential of biologicals and small-molecule inhibitors blocking these pathways. Advances in combination therapy in addition to progress in biomarker screening will help us to further achieve effective and personalized healthcare for patients with RA.
Insights
Rheumatoid arthritis (RA) is an autoimmune disease impacting joints. Novel therapies targeting the Janus kinase (JAK) and T helper-17 (Th17) pathways show promise for better RA management.
Area of Science:
- Rheumatology
- Immunology
- Pharmacology
Background:
- Rheumatoid arthritis (RA) is a chronic autoimmune disease causing joint inflammation and destruction.
- Current treatments are insufficient for up to 30% of RA patients, highlighting the need for novel therapeutic targets.
- The Janus kinase (JAK) and T helper-17 (Th17) pathways are implicated in RA pathogenesis.
Purpose of the Study:
- To review the therapeutic potential of targeting the JAK and Th17 pathways in rheumatoid arthritis.
- To discuss biologicals and small-molecule inhibitors that block these key inflammatory pathways.
- To explore advances in combination therapy and biomarker screening for personalized RA treatment.
Main Methods:
- Literature review of current research on JAK and Th17 pathways in RA.
- Analysis of therapeutic strategies involving biologicals and small-molecule inhibitors.
- Discussion of emerging combination therapies and biomarker applications.
Main Results:
- The JAK and Th17 pathways represent promising targets for novel RA therapies.
- Biologicals and small-molecule inhibitors targeting these pathways are under investigation.
- Combination therapies and biomarkers are crucial for advancing personalized RA care.
Conclusions:
- Targeting the JAK and Th17 pathways offers new avenues for managing rheumatoid arthritis.
- Further research into combination therapies and biomarkers will enhance treatment efficacy and personalization.
- These advancements hold potential for improved patient outcomes in RA.
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