ArticleNeuroSci2026
NLRP3 Inflammasome and Inflammation-Related Proteins Expression Characterized in Non-Cultivated Versus Cultivated Peripheral Blood Cells of Patients with Amyotrophic Lateral Sclerosis.
Article in NeuroSci, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundCell and mouse models studies demonstrate NLRP3 inflammasome involvement in amyotrophic lateral sclerosis (ALS) neuroinflammation. Peripheral blood mononuclear cells (PBMCs) are a promising, yet understudied, source of in vivo inflammasome activation biomarkers. Our study reviewed the literature on PBMC-based inflammasome studies of ALS and other neurodegenerative diseases and tested different conditions for PBMC handling to evaluate inflammasome and inflammation-related protein expression in these cells.
methodsExpression of NLRP3 inflammasome components and inflammation-related proteins was analyzed by Real-time qPCR and Western blot in non-cultivated/cultivated PBMCs of 23 ALS patients and 20 Healthy controls. IL-1β and IL-18 levels were measured in plasma and cultivated PBMC supernatants by ELISA.
resultsCultivation of PBMCs decreased expression of inflammasome components and inflammation-related cytokines on the mRNA but not protein level. NLRP3 mRNA expression was significantly higher in ALS-cultivated PBMCs. In both ALS and Healthy controls, IL-18 was detected in plasma, and IL-1β in supernatants of cultivated PBMCs.
conclusionsOur findings suggest that PBMC handling conditions, i.e., cell cultivation, may determine particular parameters associated with NLRP3 inflammasome expression and activation pathway, so they should be carefully selected for PBMC-based studies of inflammasome in neurodegenerative and non-neurological disorders and taken into account when interpreting the study results.
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