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CCR1 antagonists for the treatment of autoimmune diseases
Ronald P Gladue1, Samuel H Zwillich, Alan T Clucas
1Pfizer Global Research and Development, Department of Immunology, MS 8220-2410, Eastern Point Road, Groton, CT 06340, USA. ronald_p_gladue@Groton.Pfizer.com
Abstract:
Chemokines are 8- to 10-kDa proteins that regulate leukocyte infiltration into inflammatory sites. The therapeutic potential of inhibiting these proteins is supported by their increased expression in human diseases, numerous studies in animal models of disease and, in some cases, by human genetic association studies. These findings, combined with the ability of chemokines to interact with 7-transmembrane G protein-coupled receptors, render them attractive drug discovery targets. This article reviews the evidence that supports a role for the chemokine receptor CCR1 in the pathogenesis of autoimmune diseases, progress made in identifying low molecular-weight antagonists and the current status of agents undergoing clinical evaluation.
Insights
Chemokine receptor CCR1 plays a key role in autoimmune diseases. Research shows that blocking CCR1 with small molecule antagonists is a promising therapeutic strategy currently under clinical investigation.
Area of Science:
- Immunology
- Pharmacology
- Molecular Biology
Background:
- Chemokines are small proteins crucial for regulating leukocyte infiltration to inflammatory sites.
- Their involvement in human diseases and animal models highlights their therapeutic potential.
- Chemokines interact with G protein-coupled receptors, making them attractive drug targets.
Purpose of the Study:
- To review the evidence linking the chemokine receptor CCR1 to autoimmune disease pathogenesis.
- To discuss the development of low molecular-weight CCR1 antagonists.
- To outline the current clinical evaluation status of CCR1-targeting agents.
Main Methods:
- Literature review of studies on CCR1 in autoimmune diseases.
- Analysis of research on the identification and characterization of CCR1 antagonists.
- Summary of clinical trial data for CCR1-targeting therapies.
Main Results:
- Evidence supports CCR1's role in the pathogenesis of various autoimmune conditions.
- Several low molecular-weight CCR1 antagonists have been identified.
- Agents targeting CCR1 are currently undergoing clinical evaluation for autoimmune diseases.
Conclusions:
- CCR1 is a significant target for treating autoimmune diseases.
- Development of CCR1 antagonists shows therapeutic promise.
- Ongoing clinical trials will determine the efficacy and safety of these agents.
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