ArticleJournal of molecular medicine (Berlin, Germany)2024
Constitutive expression of the deubiquitinating enzyme CYLD does not affect microglia phenotype or function in homeostasis and neuroinflammation.
Article in Journal of molecular medicine (Berlin, Germany), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Inhibition of YTHDF2-mediated CYLD mRNA degradation promotes neuronal ferroptosis and pain in Parkinson's disease through NOX4 deubiquitination.Cell biology and toxicology · 2026Article
- Role of CYLD in brain physiology and pathology.Journal of molecular medicine (Berlin, Germany) · 2025Review
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Authors and funding
11 authors.
Funding
Abstract
The deubiquitinating enzyme CYLD negatively regulates NF-κB signaling by removing activating ubiquitin chains from several members of the NF-κB pathway. Thereby, CYLD is critical for the maintenance and differentiation of various immune cells. Despite the importance of the NF-κB pathway in microglia regulation, the role of CYLD in microglia has not been investigated so far. In this study, we investigated whether CYLD in microglia can protect against neuroinflammation using a newly generated conditional mouse strain (Rosa26-Cyld-tdTomato) that allows cell type-specific CYLD overexpression. Here, we show that overexpression of CYLD in microglia did not alter microglia numbers or microglia morphology in different brain regions. Additionally, CYLD overexpression did not modify the microglial response to LPS-induced neuroinflammation or the disease severity in experimental autoimmune encephalomyelitis (EAE). Finally, also immune cell infiltration into the CNS during EAE and under steady state conditions remained unaffected by microglial CYLD overexpression. Our findings suggest that CYLD overexpression does not alter microglial function, and thus does not represent a viable therapeutic strategy in neuroinflammatory conditions. This study highlights the complexity of ubiquitin-mediated signaling in neuroinflammation and the need for cell-type-specific investigations. The Rosa26-Cyld-tdTomato mouse model offers a valuable tool for studying CYLD's role across various tissues and cell types. KEY MESSAGES: Novel mouse strain for cell type-specific overexpression of the deubiquitinating enzyme CYLD. CYLD overexpression in microglia did not alter microglia numbers or morphology in the steady state. CYLD overexpression in microglia did not protect mice from LPS-induced neuroinflammation or EAE. CYLD overexpression in microglia did not influence their gene expression during neuroinflammation.
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