ArticleJournal of immunology (Baltimore, Md. : 1950)2026
LRRK2 kinase activity restricts NRF2-dependent mitochondrial protection in microglia.
Article in Journal of immunology (Baltimore, Md. : 1950), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
6 citing papers in PubMed.
- Tissue-specific transcriptional epistasis between Prkn and Lrrk2 during mycobacterial infection.Mammalian genome : official journal of the International Mammalian Genome Society · 2026Article
- Multilayered interplay between the cGAS-STING pathway and autophagy.Autophagy reports · 2026Review
- cGAS-STING signaling in brain aging and neurodegeneration: molecular links and therapeutic perspectives.Journal of neuroinflammation · 2025Review
- Melatonin-Mediated Nrf2 Activation as a Potential Therapeutic Strategy in Mutation-Driven Neurodegenerative Diseases.Antioxidants (Basel, Switzerland) · 2025Review
- The Multifaceted Role of LRRK2 in Parkinson's Disease.Brain sciences · 2025Review
- Targeting the Interplay Between Autophagy and the Nrf2 Pathway in Parkinson's Disease with Potential Therapeutic Implications.Biomolecules · 2025Review
Corrections and comments
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8 authors.
Funding
Abstract
Mounting evidence supports a critical role for central nervous system (CNS) glial cells in neuroinflammation and neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's Disease (PD), Multiple Sclerosis (MS), as well as neurovascular ischemic stroke. Previously, we found that loss of the PD-associated gene leucine-rich repeat kinase 2 (Lrrk2) in macrophages, peripheral innate immune cells, induced mitochondrial stress and elevated basal expression of type I interferon (IFN) stimulated genes (ISGs) due to chronic mitochondrial DNA engagement with the cGAS/STING DNA sensing pathway. Here we report that loss of LRRK2 results in a paradoxical response in microglial cells, a CNS-specific macrophage population. In primary murine microglia and microglial cell lines, loss of Lrrk2 reduces tonic IFN signaling leading to a reduction in ISG expression. Consistent with reduced type I IFN, mitochondria from Lrrk2 KO microglia are protected from stress and have elevated metabolism. These protective phenotypes involve upregulation of NRF2, an important transcription factor in the response to oxidative stress and are restricted by LRRK2 kinase activity. Collectively, these findings illustrate a dichotomous role for LRRK2 within different immune cell populations and give insight into the fundamental differences between immune regulation in the CNS and the periphery.
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Registered trials
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