ArticleAnnals of neurology2025
Inhibition of Bone Morphogenetic Protein Signaling Prevents Tau Pathology in iPSC Derived Neurons and PS19 Mice.
Article in Annals of neurology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Aging-Related Changes in the Injury Response of the Peripheral Nervous System.Neuroscience bulletin · 2026Review
- Sex-related upregulation of bone morphogenetic protein signaling inhibits adult neurogenesis in APPBiology of sex differences · 2025Article
- Article
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6 authors.
Funding
Abstract
objectiveMany neurodegenerative disorders share a common pathologic feature involving the deposition of abnormal tau protein in the brain (tauopathies). This suggests that there may be some shared pathophysiologic mechanism(s). The largest risk factor for the majority of these disorders is aging, suggesting involvement of the aging process in the shared pathophysiology. We test the hypothesis that an increase in bone morphogenetic protein (BMP) signaling that occurs during aging contributes to the onset and progression of tauopathies.
methodsHuman induced pluripotent stem cell (iPSC)-derived neurons from patients with Alzheimer's disease (AD) were used to investigate the effects of BMP signaling on tau phosphorylation and release and the mechanisms underlying these effects. Wildtype mice were used to examine effects of BMP signaling in vivo. P301S (PS19) mice were examined for the effects of BMP signaling in a model of tauopathy.
resultsHere, we show that BMP signaling, mediated by non-canonical p38 signaling, increases tau phosphorylation and release of p-tau in human iPSC-derived AD neurons. Further, there is an interaction between BMP signaling and apolipoprotein E4 (ApoE4) that significantly increases tau phosphorylation and release compared with ApoE3 neurons. Inhibiting BMP signaling reduces the changes in tau in the cultured human neurons, and it limits tau pathology and prevents cognitive decline in PS19 mice.
interpretationOur study suggests that the age-related increase in BMP signaling may participate in the onset and progression of tau pathology. Thus, therapeutic interventions that reduce BMP signaling in the aging brain could potentially slow or prevent development of diseases involving tau hyperphosphorylation. ANN NEUROL 2025;97:657-672.
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