TLR9 and atherosclerosis: NETs impair wound healing under diabetic conditions by suppressing the toll-like receptor 9 (TLR9)-p21-activated kinase 2 (PAK2)-dependent Hippo-YAP signaling pathway [41] and development of atherosclerosis by inducing TLR9/NF-κB-mediated interleukin-8 (IL-8) secretion in macrophages [42].