Abstract
We tested a newly described molecular memory system, CCR5 signaling, for its role in recovery after stroke and traumatic brain injury (TBI). CCR5 is uniquely expressed in cortical neurons after stroke. Post-stroke neuronal knockdown of CCR5 in pre-motor cortex leads to early recovery of motor control. Recovery is associated with preservation of dendritic spines, new patterns of cortical projections to contralateral pre-motor cortex, and upregulation of CREB and DLK signaling. Administration of a clinically utilized FDA-approved CCR5 antagonist, devised for HIV treatment, produces similar effects on motor recovery post stroke and cognitive decline post TBI. Finally, in a large clinical cohort of stroke patients, carriers for a naturally occurring loss-of-function mutation in CCR5 (CCR5-Δ32) exhibited greater recovery of neurological impairments and cognitive function. In summary, CCR5 is a translational target for neural repair in stroke and TBI and the first reported gene associated with enhanced recovery in human stroke.
| Original language | English |
|---|---|
| Pages (from-to) | 1143-1157.e13 |
| Journal | Cell |
| Volume | 176 |
| Issue number | 5 |
| DOIs | |
| State | Published - 21 Feb 2019 |
Funding
| Funders | Funder number |
|---|---|
| American Heart Foundation | 16POST27710039 |
| Alzheimer's Association | 16-442861 |
| American Federation for Aging Research | RAG11482 |
| American Hungarian Foundation | |
| Stanford University | |
| Dr. Miriam and Sheldon G. Adelson Medical Research Foundation | |
| University of California, Los Angeles | |
| United States-Israel Binational Science Foundation | 2011344 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
Keywords
- MOCA
- NIHSS
- astrocyte
- axon
- axonal sprouting
- dendritic spine
- microglia
- motor
- premotor
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