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    • 3. 发明申请
    • GLUCAGON ANTAGONISTS
    • WO2009058662A2
    • 2009-05-07
    • PCT/US2008080973
    • 2008-10-23
    • UNIV INDIANA RES & TECH CORPDIMARCHI RICHARD DYANG BIN
    • DIMARCHI RICHARD DYANG BIN
    • A61K39/395
    • C07K14/605A61K38/00
    • Glucagon antagonists are provided which comprise amino acid substitutions and/or chemical modifications to glucagon sequence. In one embodiment, the glucagon antagonists comprise a native glucagon peptide that has been modified by the deletion of the first two to five amino acid residues from the N-terminus and (i) an amino acid substitution at position 9 (according to the numbering of native glucagon) or (ii) substitution of the Phe at position 6 (according to the numbering of native glucagon) with phenyl lactic acid (PLA). In another embodiment, the glucagon antagonists comprise the structure A-B-C as described herein, wherein A is PLA, an oxy derivative thereof, or a peptide of 2-6 amino acids in which two consecutive amino acids of the peptide are linked via an ester or ether bond.
    • 提供了包含对胰高血糖素序列的氨基酸取代和/或化学修饰的胰高血糖素拮抗剂。 在一个实施方案中,胰高血糖素拮抗剂包含通过从N-末端缺失前两个至五个氨基酸残基而修饰的天然胰高血糖素肽,以及(i)在第9位的氨基酸取代(根据 天然胰高血糖素)或(ii)用苯基乳酸(PLA)取代第6位的Phe(根据天然胰高血糖素的编号)。 在另一个实施方案中,胰高血糖素拮抗剂包含如本文所述的结构ABC,其中A是PLA,其氧衍生物或2-6个氨基酸的肽,其中肽的两个连续氨基酸经由酯或醚连接 键。