Nlrp3−/− mice exhibit defect in development of Th1 response(Gris et al. 2010) and NLRP3 seem to trigger a Th2 bias (Gurung et al. 2015; Daley et al. 2017). But my guess is this behaviour is tissue/cell dependent and so the jury is still out.
1. Daley, D., et al. (2017). "NLRP3 signaling drives macrophage-induced adaptive immune suppression in pancreatic carcinoma." J Exp Med 214(6): 1711-1724.
2. Gris, D., et al. (2010). "NLRP3 Plays a Critical Role in the Development of Experimental Autoimmune Encephalomyelitis by Mediating Th1 and Th17 Responses." The Journal of Immunology 185(2): 974-981.