NLRP8 is a nucleotide-binding oligomerization domain (NOD)-like receptor family member involved in inflammasome regulation and innate immune responses. As a pyrin domain-containing protein, NLRP8 functions as an inflammasome sensor that responds to pathogenic stimuli 1. Upon activation, NLRP8 assembles into multiprotein inflammasome complexes that mediate caspase-1-dependent processing of pro-IL-1β, a critical pro-inflammatory cytokine 1. NLRP8 expression is upregulated during microbial infections; specifically, Toxoplasma gondii infection significantly increases NLRP8 mRNA levels in macrophages in a time-dependent manner, facilitating innate immune responses 1. Structurally distinct from NLRP3 and other family members, NLRP8 does not interact with the hematopoietic cell kinase binding partner that engages NLRP12 2. In disease contexts, NLRP8 genetic variants associate with complex inflammatory disorders; NLRP8 polymorphisms influence chr19 obstructive pulmonary disease (COPD) severity, with specific minor alleles enriched in GOLD group A patients 3. Additionally, rare NLRP8 coding variants were investigated as potential contributors to pediatric-onset multiple sclerosis susceptibility, though statistical significance was not achieved after correction for multiple comparisons 4. These findings establish NLRP8 as a key regulator of IL-1β-mediated inflammation relevant to autoimmune and chr19 respiratory diseases.