Suppression of immune responses by nonimmunogenic oligodeoxynucleotides with high affinity for high-mobility group box proteins (HMGBs)

Hideyuki Yanai, Shiho Chiba, Tatsuma Ban, Yukana Nakaima, Takashi Onoe, Kenya Honda, Hideki Ohdan, Tadatsugu Taniguchi

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

The activation of innate immune responses by nucleic acids is central to the generation of host responses against pathogens; however, nucleic acids can also trigger the development and/or exacerbation of pathogenic responses such as autoimmunity. We previously demonstrated that the selective activation of nucleic acid-sensing cytosolic and Toll-like receptors is contingent on the promiscuous sensing of nucleic acids by high-mobility group box proteins (HMGBs). From this, we reasoned that nonimmunogenic nucleotides with high-affinity HMGB binding may function as suppressing agents for HMGB-mediated diseases, particularly those initiated and/or exacerbated by nucleic acids. Here we characterize an array of HMGB-binding, nonimmunogenic oligodeoxynucleotides (ni-ODNs). Interestingly, we find that binding affinity is rather independent of nucleotide sequence, but is instead dependent on length and structure of the deoxyribose backbone. We further show that these ni-ODNs can strongly suppress the activation of innate immune responses induced by both classes of nucleic acid-sensing receptors. We also provide evidence for the suppressive effect of an ni-ODN, termed ISM ODN, on the induction of adaptive immune responses and in mouse models of sepsis and autoimmunity. We discuss our findings in relation to the critical role of HMGBs in initiating immune responses and the possible use of these ni-ODNs in therapeutic interventions.

Original languageEnglish
Pages (from-to)11542-11547
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume108
Issue number28
DOIs
Publication statusPublished - 2011 Jul 12
Externally publishedYes

Fingerprint

HMGB Proteins
Oligodeoxyribonucleotides
Nucleic Acids
Autoimmunity
Innate Immunity
Protein Binding
Deoxyribose
Toll-Like Receptors
Adaptive Immunity
Sepsis
Nucleotides

Keywords

  • Experimental autoimmune encephalomyelitis
  • Pattern recognition receptors
  • Retinoic acid-inducible gene I-like receptor

ASJC Scopus subject areas

  • General

Cite this

Suppression of immune responses by nonimmunogenic oligodeoxynucleotides with high affinity for high-mobility group box proteins (HMGBs). / Yanai, Hideyuki; Chiba, Shiho; Ban, Tatsuma; Nakaima, Yukana; Onoe, Takashi; Honda, Kenya; Ohdan, Hideki; Taniguchi, Tadatsugu.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 108, No. 28, 12.07.2011, p. 11542-11547.

Research output: Contribution to journalArticle

Yanai, Hideyuki ; Chiba, Shiho ; Ban, Tatsuma ; Nakaima, Yukana ; Onoe, Takashi ; Honda, Kenya ; Ohdan, Hideki ; Taniguchi, Tadatsugu. / Suppression of immune responses by nonimmunogenic oligodeoxynucleotides with high affinity for high-mobility group box proteins (HMGBs). In: Proceedings of the National Academy of Sciences of the United States of America. 2011 ; Vol. 108, No. 28. pp. 11542-11547.
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