ArticleStem cell reports2025
Astrocyte-derived PTN alleviates deficits in hippocampal neurogenesis and cognition in models of multiple sclerosis.
Article in Stem cell reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Integrative transcriptomic analysis identifies meningeal-hippocampal immune communication in Alzheimer's disease.Journal of translational medicine · 2026Article
- A multi-center cross-platform single-cell multimodal atlas of the mouse cerebral cortex.Scientific data · 2026Article
- Molecular signatures of cell diversity modulated by long noncoding RNAs in the human fetal spinal cord.iScience · 2026Article
- Infection of 5xFAD mice with a mouse-adapted SARS-CoV-2 does not alter Alzheimer's disease neuropathology yet induces widespread changes in gene expression across diverse cell types.Alzheimer's & dementia : the journal of the Alzheimer's Association · 2026Article
- Article
- Infection of 5xFAD mice with a mouse-adapted SARS-CoV-2 does not alter Alzheimer's disease neuropathology yet induces wide-spread changes in gene expression across diverse cell types.bioRxiv : the preprint server for biology · 2025Article
- Dysregulation of astrocyte-secreted pleiotrophin contributes to neuronal structural and functional deficits in Down syndrome.Cell reports · 2025Article
- Single-Nucleus Transcriptomics Reveals Glial Metabolic-Immune Rewiring and Intercellular Signaling Disruption in Chronic Migraine.Biomolecules · 2025Article
- Single-cell transcriptomics of vascularized human brain organoids decipher lineage-specific stress adaptation in fetal hypoxia-reoxygenation injury.Theranostics · 2025Article
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Authors and funding
8 authors.
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Abstract
Multiple sclerosis (MS) is an autoimmune inflammatory demyelinating disease that results in motor, sensory, cognitive, and affective deficits. Hippocampal demyelination, a common occurrence in MS, is linked to impaired cognitive function and mood. Despite this, the precise mechanisms underlying cognitive impairments in MS remain elusive. Pleiotrophin (PTN), secreted by neural stem cells and astrocytes, plays a crucial role in regulating cognition. This study investigates the role of astrocyte-derived PTN. We found that genetic deletion of astrocyte-derived PTN hinders hippocampal neurogenesis. Additionally, conditional ablation of PTN in astrocytes exacerbates neurogenic deficits in the demyelinated hippocampus. Importantly, overexpression of PTN in astrocytes reverses neurogenic and cognitive impairments caused by demyelination, underscoring PTN's protective role in MS. PTN cooperates with protein tyrosine phosphatase receptor type Z1 (PTPRZ1) or anaplastic lymphoma kinase (ALK) receptors to activate the AKT signaling pathway, thereby enhancing hippocampal neurogenesis and cognition in demyelinated mice. These findings illuminate novel effects of astrocyte-derived PTN on hippocampal neurogenesis and cognition.
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