DPP-4 INHIBITOR

A DPP-4 inhibitor containing, as an active ingredient, a peptide represented by formula (1): Xe-Pro/Ala/Hyp-Xa-Xb-Xc-Xd (wherein Xe represents an amino acid residue having an isoelectric point of 5.9-6.3; Pro/Ala/Hyp represents Pro, Ala or Hyp; Xa represents an amino acid residue other than Hyp, Pro...

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Bibliographische Detailangaben
Hauptverfasser: KUSUBATA, MASASHI, TAGA, YUKI, KOYAMA, YOUICHI, HAYASHIDA, OSAMU, ATSUZAWA, YUJI, HATTORI, SHUNJI
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:A DPP-4 inhibitor containing, as an active ingredient, a peptide represented by formula (1): Xe-Pro/Ala/Hyp-Xa-Xb-Xc-Xd (wherein Xe represents an amino acid residue having an isoelectric point of 5.9-6.3; Pro/Ala/Hyp represents Pro, Ala or Hyp; Xa represents an amino acid residue other than Hyp, Pro and Arg or a deletion; Xb represents Gly, Pro or a deletion; Xc represents Pro, Ala or a deletion; and Xd represents an amino acid residue or a deletion). This inhibitor is expected to exert an activity of decreasing a blood glucose level through the potentiation of the activity of an incretin, and therefore can be used as a therapeutic agent for diabetes. In addition, this inhibitor can act on an immune system or the like, and therefore can be used for the treatment of skin diseases or the like.