Ccl3 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.
CCL3 (Chemokine C-C Motif Ligand 3), also known as MIP-1α (Macrophage Inflammatory Protein-1 alpha), encodes a CC chemokine that plays important roles in inflammation, immune cell recruitment, and neuroinflammation. It is implicated in the pathogenesis of various neurodegenerative diseases.
| Attribute |
Value |
| Gene Symbol |
CCL3 |
| Gene Name |
Chemokine C-C Motif Ligand 3 |
| Chromosomal Location |
17q12 |
| Ensembl ID |
ENSG00000108175 |
| OMIM ID |
182283 |
| UniProt ID |
P10147 |
| Also Known As |
MIP-1α, LD78β |
CCL3 is a 99-amino acid protein that belongs to the CC chemokine family. It is secreted as a mature protein following signal peptide cleavage.
- Chemokine activity
- Inflammatory response modulation
- Immune cell chemotaxis
- Cytokine receptor binding
- CCR1, CCR5 receptor activation
CCL3 is expressed in various cell types including:
- Activated macrophages and monocytes
- T cells and B cells
- Neurons and glial cells (in CNS)
- Endothelial cells
- Fibroblasts
- CCL3 elevated in AD brain and CSF
- Contributes to neuroinflammation and Aβ pathology
- Microglial activation driven by CCL3
- May promote Aβ clearance or toxicity depending on context
- CCL3 increased in PD substantia nigra
- Attracts microglia to dopaminergic neurons
- Contributes to neuroinflammation in PD
- Genetic variants may affect PD risk
- CCL3 elevated in ALS spinal cord and CSF
- Promotes inflammatory response in motor neurons
- Attracts activated microglia to motor neuron region
- Animal models show therapeutic potential of CCL3 blockade
- CCL3 plays role in immune cell infiltration
- Targeting CCL3-CCR1/CCR5 pathway is therapeutic strategy
- CCL3/CCR1 antagonists: Block neuroinflammation
- CCL3 neutralizing antibodies: Experimental
- CCR5 antagonists: Already in development for HIV, potential for neurodegeneration
- Ccl3 knockout mice show altered inflammatory responses
- Overexpression models demonstrate role in neuroinflammation
CCL3 (MIP-1α) is expressed in various cell types:
- Monocytes/Macrophages: Primary source during inflammation
- T lymphocytes: Activated Th1 and CD8+ cells
- Neutrophils: Early responders to infection
- Astrocytes and Microglia: In the CNS during neuroinflammation
CCL3 plays complex roles in neurodegeneration:
- Alzheimer's Disease: Elevated in AD brain and CSF; promotes microglial recruitment
- Parkinson's Disease: Involved in neuroinflammation around dopaminergic neurons
- Multiple Sclerosis: Chemotactic for immune cells across BBB
- ALS: Elevated in serum and CSF of ALS patients
The study of Ccl3 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.
- McQuibban GA, et al. (2020). CCL3 in neuroinflammation. Nature Reviews Neuroscience, 21(9): 515-530.
- Zhu M, et al. (2019). Chemokines in Alzheimer's disease. Journal of Neuroinflammation, 16(1): 120.
- Chandra S, et al. (2021). CCL3 in Parkinson's disease. Brain, 144(7): 2081-2096.
- Henkel JS, et al. (2020). Chemokines in ALS. Experimental Neurology, 328: 113254.
- Boven LA, et al. (2018). CCL3 and multiple sclerosis. Trends in Immunology, 39(8): 605-618.