ArticleLupus2016
Caspase-1 is required for maintenance of marginal zone B cells in pristane-induced lupus.
Article in Lupus, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 6 citations in OpenAlex.
- An "old" cytokine's new trick: IL-1β in B cells and the germinal center.Function (Oxford, England) · 2026Review
- Pristane-induced lupus: considerations on this experimental model.Clinical rheumatology · 2017Review
- Purinergic signalling in autoimmunity: A role for the P2X7R in systemic lupus erythematosus?Biomedical journal · 2016Review
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
objectiveCaspase-1 is required for nephritis and robust autoantibody development in the pristane model of murine lupus. The objective of this study was to evaluate the immune response and to study the splenic B and T cell populations in wild-type (WT) and caspase-1-/- mice following pristane injection in order to develop an understanding of why absence of caspase-1 is protective in pristane-induced lupus.
methodsImmunization responses to NP-Ficoll and NP-ovalbumin were assessed in WT and caspase-1-/- mice. In vitro IgM and IgG responses to R848 were measured by ELISA. Serum IgM anti-dsDNA and IL-1β were also measured by ELISA. B and T cell populations 2 weeks and 6 months following pristane injection were measured by flow cytometry in WT and caspase-1-/- mice.
resultsCaspase-1-/- mice generate equivalent IgG responses to NP-Ficoll and NP-ova antigens when compared to wild-type mice. Additionally, they secrete IgM and IgG in response to TLR7 activation. Pristane injected WT and caspase-1-/- mice generate robust IgM anti-dsDNA responses. Caspase-1-/- mice have a significant reduction in marginal zone B cell populations compared to WT 6 months after pristane exposure whereas T cell responses are intact in these mice.
conclusionsCaspase-1-/- mice have intact immune responses but do not develop an expanded marginal zone B cell population in response to pristane-induced lupus. This may be one explanation for reduced IgG autoantibody production in these mice.
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Registered trials
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