ArticleJCI insight2022
Rubicon promotes rather than restricts murine lupus and is not required for LC3-associated phagocytosis.
Article in JCI insight, 2022. 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, 15 citations in OpenAlex.
- Rubicon modulates neuroimmune responses following traumatic brain injury.bioRxiv : the preprint server for biology · 2026Article
- SIRT2 Inhibition promotes microglia LC3-associated phagocytosis via NRF2/CD36 after the experimental subarachnoid hemorrhage.Journal of neuroinflammation · 2025Article
- Salvianic acid A promotes osteogenic differentiation of bone marrow mesenchymal stem cells in senile osteoporosis through bromodomain-containing protein 4/Ariadne RBR E3 ubiquitin-protein ligase 1/Rubicon axis.Journal of traditional and complementary medicine · 2025Article
- Elimination of intra-hepatocytic malaria parasites is driven by non-canonical autophagy but not nitric oxide production.iScience · 2025Article
- Autophagy-mediated regulation of neutrophil inflammatory responses and its relevance to central nervous system diseases.Frontiers in aging neuroscience · 2025Review
- NADPH oxidase in B cells and macrophages protects against murine lupus by regulation of TLR7.JCI insight · 2024Article
- NADPH oxidase exerts a B cell-intrinsic contribution to lupus risk by modulating endosomal TLR signals.The Journal of experimental medicine · 2024Article
- Review
- LC3-associated phagocytosis promotes glial degradation of axon debris after injury in Drosophila models.Nature communications · 2023Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
Abstract
NADPH oxidase deficiency exacerbates lupus in murine models and patients, but the mechanisms remain unknown. It is hypothesized that NADPH oxidase suppresses autoimmunity by facilitating dead cell clearance via LC3-associated phagocytosis (LAP). The absence of LAP reportedly causes an autoinflammatory syndrome in aged, nonautoimmune mice. Prior work implicated cytochrome b-245, β polypeptide (CYBB), a component of the NADPH oxidase complex, and the RUN and cysteine-rich domain-containing Beclin 1-interacting protein (RUBICON) as requisite for LAP. To test the hypothesis that NADPH oxidase deficiency exacerbates lupus via a defect in LAP, we deleted Rubicon in the B6.Sle1.Yaa and MRL.Faslpr lupus mouse models. Under this hypothesis, RUBICON deficiency should phenocopy NADPH oxidase deficiency, as both work in the same pathway. However, we observed the opposite - RUBICON deficiency resulted in reduced mortality, renal disease, and autoantibody titers to RNA-associated autoantigens. Given that our data contradict the published role for LAP in autoimmunity, we assessed whether CYBB and RUBICON are requisite for LAP. We found that LAP is not dependent on either of these 2 pathways. To our knowledge, our data reveal RUBICON as a novel regulator of SLE, possibly by a B cell-intrinsic mechanism, but do not support a role for LAP in lupus.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.