Cxcr3 Gene is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
:: infobox .infobox-gene
| Gene Symbol | CXCR3 |
| Full Name | C-X-C Motif Chemokine Receptor 3 |
| Chromosomal Location | Xq13.1 |
| NCBI Gene ID | 2912 |
| OMIM | 300214 |
| Ensembl ID | ENSG00000186810 |
| UniProt | P49682 |
| Associated Diseases | Multiple Sclerosis, Alzheimer's Disease, Parkinson's Disease, ALS |
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CXCR3 is a G protein-coupled receptor that binds interferon-inducible chemokines (CXCL9, CXCL10, CXCL11). It is expressed on various immune cells including T lymphocytes, NK cells, and microglia. CXCR3-mediated signaling plays important roles in neuroinflammation and is implicated in the pathogenesis of multiple neurodegenerative diseases.
CXCR3 is a chemokine receptor that plays critical roles in immune cell trafficking and signaling:
CXCR3 binds to three primary ligands:
Upon ligand binding, CXCR3 activates:
CXCR3 is highly expressed on Th1 cells and is involved in T cell recruitment to the CNS in MS. CXCL10/CXCR3 signaling drives inflammatory cell infiltration and demyelination. CXCR3 antagonists are being investigated as MS therapies.
CXCR3 and its ligands are upregulated in AD brain:
CXCR3-mediated inflammation contributes to dopaminergic neuron loss:
CXCR3 is implicated in motor neuron disease:
CXCR3 is expressed on:
In the brain, CXCR3 expression increases on microglia and infiltrating immune cells during neuroinflammation.
The study of Cxcr3 Gene has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.