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Title:
PEPTIDE THERAPEUTICS FOR AUTOIMMUNE DISEASES AND INFLAMMATORY DISEASES
Document Type and Number:
WIPO Patent Application WO/2021/010621
Kind Code:
A1
Abstract:
The present invention relates to a peptide inhibiting a Toll-like receptor (TLR) signaling pathway. More specifically, the present invention relates to: a peptide that strongly binds to a TIR-containing molecule to inhibit the TLR, in particular, the TLR4 signaling pathway; a fusion peptide in which a cell-penetrating peptide is conjugated to said peptide; a TLR4 antagonist comprising said peptide or said fusion peptide; and a composition for preventing or treating autoimmune diseases or inflammatory diseases comprising said peptide or said fusion peptide. According to the present invention, said peptide exhibits an inhibitory effect on a wide range of TLR signaling pathways including TLR4, blocks MyD88- and TRIF-dependent TLR4 pathways, and has a substantial disease-alleviating effect in mouse models of rheumatoid arthritis, psoriasis, systemic lupus erythematosus, and non-alcoholic steatohepatitis, and thus can be usefully utilized as therapeutics for immune-related diseases and inflammatory diseases that require negative control of TLR.

Inventors:
CHOI SANG DUN (KR)
SUH CHANG HEE (KR)
KIM WOOK (KR)
SHAH MASAUD (KR)
ACHEK ASMA (KR)
KIM GIYOUNG (KR)
CHEONG JAE YOUN (KR)
KIM SOON SUN (KR)
Application Number:
PCT/KR2020/008536
Publication Date:
January 21, 2021
Filing Date:
June 30, 2020
Export Citation:
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Assignee:
UNIV AJOU IND ACADEMIC COOP FOUND (KR)
International Classes:
C07K7/08; A61K47/64
Foreign References:
US20130203649A12013-08-08
KR20180122940A2018-11-14
KR20160140031A2016-12-07
Other References:
NCBI Reference Sequence: AAL05628.1 TIR domain containing adaptor protein TIRAP[Mus musculus] (20 September 2001) definition; and fasta
COUTURE LEAH A., PIAO WENJI, RU LISA W., VOGEL STEFANIE N., TOSHCHAKOV VLADIMIR Y.: "Targeting Toll-like Receptor (TLR) Signaling by Toll/Interleukin-1 Receptor (TIR) Domain-containing Adapter Protein/MyD88 Adapter-like (TIRAP/Mal)-derived Decoy Peptides", JOURNAL OF BIOLOGICAL CHEMISTRY, AMERICAN SOCIETY FOR BIOCHEMISTRY AND MOLECULAR BIOLOGY, vol. 287, no. 29, 1 July 2012 (2012-07-01), pages 24641 - 24648, XP055774156, ISSN: 0021-9258, DOI: 10.1074/jbc.M112.360925
SHAH MASAUD; KIM GI-YOUNG; ACHEK ASMA; CHO EUN-YOUNG; BAEK WOOK-YOUNG; CHOI YANG SEON; LEE WANG HEE; KIM DONG-JIN; LEE SANG HO; KI: "The αC helix of TIRAP holds therapeutic potential in TLR-mediated autoimmune diseases", BIOMATERIALS, ELSEVIER, AMSTERDAM, NL, vol. 245, 17 March 2020 (2020-03-17), AMSTERDAM, NL, XP086118035, ISSN: 0142-9612, DOI: 10.1016/j.biomaterials.2020.119974
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Attorney, Agent or Firm:
LEE, Cheo Young et al. (KR)
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