circ_Snap91_4, circ_Nav2_4, circ_Dntb_10, and circ_Camta1_9 regulated the inflammatory responses after stroke through the adsorption of miR-320-3p, miR-129-5p, miR-103-3p, miR-140-5p, miR-34a-5p, and miR-345-5p, as well as their targeted social inflammatory proteins, TRL-4, PD-L1, Nurr1, Snrk, and AQP4. The gene discussed is CD274; the disease is stroke disorder.