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Updated: Dec 1, 2025
Behavioral Phenotyping of Murine Disease Models with the Integrated Behavioral Station INBEST
Published on: April 23, 2015
Lupus animal models and neuropsychiatric implications
Thaís Evelyn Karnopp1,2,3, Gustavo Flores Chapacais4,5,6, Eduarda Correa Freitas4,5
1Laboratório de Doenças Autoimunes, Divisão de Reumatologia, Centro de Pesquisas Experimentais, Hospital de Clínicas de Porto Alegre, Rua Ramiro Barcelos, 2350, sala 12109, Porto Alegre, 90035-003, Brazil. tekarnopp@gmail.com.
The pristane-induced lupus (PIL) model shows promise for studying neuropsychiatric systemic lupus erythematosus (NPSLE), exhibiting key disease markers and cognitive deficits. Further research is needed to fully explore its potential in modeling NPSLE.
Area of Science:
- Immunology
- Neurology
- Rheumatology
Background:
- Neuropsychiatric systemic lupus erythematosus (NPSLE) presents significant challenges in human research due to disease heterogeneity.
- Animal models are crucial for understanding NPSLE, with spontaneous models like NZB/W F1 and MRL/lpr commonly used.
- Induced models, such as pristane-induced lupus (PIL), offer a broader spectrum of SLE manifestations.
Purpose of the Study:
- To review experimental animal models of lupus exhibiting neuropsychiatric symptoms.
- To evaluate the suitability of the pristane-induced lupus (PIL) model for studying NPSLE.
- To discuss the potential of the PIL model in mimicking human NPSLE.
Main Methods:
- Review of existing literature on animal models of lupus with neuropsychiatric manifestations.
- Comparison of spontaneous (NZB/W F1, MRL/lpr) and induced (PIL) animal models.
- Analysis of cytokine expression (IL-6, TNF-α, IFN) and behavioral deficits in the PIL model.
Main Results:
- The PIL model displays eight major SLE clinical and laboratory features.
- Key cytokines implicated in NPSLE, including IL-6, TNF-α, and IFN, are expressed in the PIL model.
- Animals with PIL exhibit deficits in learning and memory, alongside a strong interferon signature.
Conclusions:
- The PIL model presents a strong interferon signature and learning/memory deficits, suggesting potential for NPSLE research.
- While PIL models exhibit several SLE and immunological features relevant to NPSLE, neuropsychiatric manifestations require further investigation.
- The PIL model holds promise as a valuable tool for advancing NPSLE research.
