Germline, gain-of-function NLRP1 mutations cause MSPC and FKLC syndromes.
Mutant NLRP1 proteins have lower threshold for inflammasome activation.
The Pyrin (PYD) and LRR domains of NLRP1 inhibit its self-oligomerization.
NLRP1 mutants cause skin hyperplasia via paracrine inflammatory signaling.