ArticleThe Journal of experimental medicine2025
Microglia and CD8+ T cell activation precede neuronal loss in a murine model of spastic paraplegia 15.
Article in The Journal of experimental medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Hereditary spastic paraplegia (HSP) gene 11 (Spg11) attenuates lipid accumulation in myeloid cells and neuroinflammation in the midbrain without affecting α-synuclein pathology.Journal of neuroinflammation · 2026Article
- Type I interferon signaling in microglia drives synaptic engulfment and neuronal loss following traumatic brain injury.Research square · 2026Article
- A strategy of microglia replacement alleviates microgliopathy in a CSF1R I794T hotspot mutation mouse model of CSF1R-related disorder.Cell reports. Medicine · 2026Article
- Unique phenotypic and T cell receptor characteristics of CD8Scientific reports · 2026Article
- Review
- 4-Phenylbutyric Acid Improves Gait Ability of UBAP1-Related Spastic Paraplegia Mouse Model: Therapeutic Potential for SPG80.International journal of molecular sciences · 2025Article
Corrections and comments
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Authors and funding
21 authors.
Funding
Abstract
In central nervous system (CNS) diseases characterized by late-onset neurodegeneration, the interplay between innate and adaptive immune responses remains poorly understood. This knowledge gap is exacerbated by the prolonged protracted disease course as it complicates the delineation of brain-resident and infiltrating cells. Here, we conducted comprehensive profiling of innate and adaptive immune cells in a murine model of spastic paraplegia 15 (SPG15), a complicated form of hereditary spastic paraplegia. Using fate-mapping of bone marrow-derived cells, we identified microgliosis accompanied by infiltration and local expansion of T cells in the CNS of Spg15-/- mice. Single-cell analysis revealed an expansion of disease-associated microglia (DAM) and effector CD8+ T cells prior to neuronal loss. Analysis of potential cell-cell communication pathways suggested bidirectional interactions between DAM and effector CD8+ T cells, potentially contributing to disease progression in Spg15-/- mice. In summary, we identified a shift in microglial phenotypes associated with the recruitment and expansion of T cells as a new characteristic of Spg15-driven neuropathology.
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Registered trials
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