Chemokine, Cytokine, Secreted protein (ligand for chemokine receptors such as CCR4), Family: CC chemokine family (two adjacent cysteines motif), Other: Signaling molecule
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Overview
C-C motif chemokine ligand 22 (CCL22) is a small secreted protein of the CC chemokine family predominantly produced by dendritic cells and macrophages. It acts as a chemoattractant, particularly for memory T cells, natural killer cells, and dendritic cells, by binding to the CC chemokine receptor 4 (CCR4). The protein plays a central role in immune cell trafficking, the regulation of inflammatory responses, and is involved in the pathogenesis of various immune-related diseases, including cancer, allergies, and autoimmune disorders. It is a common subject of research in immunology and targeted therapy development.
Other names
CCL22MDC (Macrophage-derived chemokine)ABCD-1DC/B-CKSCYA22STCP-1A-152E5.1DCBCKMacrophage Chemotactic Protein 1
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Mechanism of action
Chemokine receptor antagonism (drugs interfere with CCL22 binding to CCR4, reducing immune cell recruitment); Immune modulation (by altering CCL22 signaling pathways, drugs can impact inflammatory responses)
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Biological functions
Immune response (regulation and recruitment of immune cells)Signal transduction (through interaction with CCR4)Cell migration/chemotaxis (attracts T cells, dendritic cells, and other leukocytes)Inflammation (modulates inflammatory responses, especially in allergic and autoimmune conditions)
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Disease associations
Cancer (associated with tumor microenvironment and immune cell recruitment)Inflammation (chronic inflammatory diseases)Infection (chemotactic for immune cells in infection settings)Other (modulation of allergy and autoimmune diseases)
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Safety considerations
Therapeutic challenges include potential immunosuppression, off-target effects (altering recruitment of regulatory T cells or other immune cells), and risk of infections due to modulation of immune signaling
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Interacting drugs
Specific therapeutics targeting CCL22 or its receptor CCR4 include investigational agents like CCR4 antagonists; CCL22 as a direct target is less common than its receptor CCR4. No approved drugs directly target CCL22, but it is implicated in the development and testing of therapies modulating chemokine signaling
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Biomarkers
CCL22 protein levels may serve as biomarkers for inflammatory diseases, cancer progression, and immune status in certain therapeutic contexts
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