ODN 24888 sodium is an guanine-modified inhibitory oligonucleotides (INH-ODN), shows potent inhibition on TLR7 / TLR9 -mediated signaling. ODN 24888 sodium impairs IFN-α level and NF-κB activation, inhibits IL-6 release. ODN 24888 sodium involves in immune and inflammatory responses, can be used as a vaccine adjuvant.