circCDC42/mmu_circ_0011319 is mainly expressed in alveolar macrophages compared with neutrophils, T cells, and NK cells, especially after KP infection. FISH with SiglcF supports localization of circCDC42 in AMs.
CircCDC42-encoded CDC42-165aa regulates macrophage pyroptosis in Klebsiella pneumoniae infection through Pyrin inflammasome activation.