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    • 7. 发明申请
    • USE OF CONKUNITZIN-S1 FOR THE MODULATION OF GLUCOSE-INDUCED INSULIN SECRETION
    • 用于调节葡萄糖诱导的胰岛素分泌的康宁嗪-S1
    • WO2010015421A1
    • 2010-02-11
    • PCT/EP2009/005801
    • 2009-08-10
    • MAX-PLANCK-GESELLSCHAFT ZUR FÖRDERUNG DER WISSENSCHAFTEN E.V. BERLINUNIVERSITÄT ZU LÜBECKTERLAU, HeinrichFINOL-URDANETA, RocioBECKER, StefanRAASCH, Walter
    • TERLAU, HeinrichFINOL-URDANETA, RocioBECKER, StefanRAASCH, Walter
    • C07K14/435
    • C07K14/43504C07K14/8114
    • The present invention relates to a (poly)peptide or a peptidomimetic thereof having the biological activity of Conkunitzin-S1, wherein said (poly)peptide is selected from (a) a polypeptide comprising or having the amino acid sequence of SEQ ID NO: 1; (b) a polypeptide having at least 85% sequence identity to SEQ ID NO:1; or (c) a fragment of a) or b); wherein said (poly)peptide or peptidomimetic specifically modulates the activity of a channel having the activity of a Kv1.7 containing channel, for the treatment or prevention of metabolic diseases or conditions, or secondary diseases or conditions related to said metabolic diseases or conditions. The present invention furthermore relates to a method of screening for (poly)peptides derived from Conkunitzin-S1 suitable for specifically modulating the activity of a channel having the activity of a Kv1.7 containing channel, comprising: (a) altering the amino acid sequence of Conkunitzin-S1 represented by SEQ ID NO: 1 by deleting and/or inserting and/or replacing at least one amino acid; and (b) determining the modulatory effect of the (poly)peptide obtained in step (a) (i) on a channel having the activity of a Kv1.7 containing channel and (ii) on channels, preferably potassium channels, not having the activity of a Kv1.7 containing channel, which are optionally expressed on the same cell as the channel having the activity of a Kv1.7 containing channel; wherein a modulatory effect of the (poly)peptide determined in step (i) that is at least 50% of the modulatory effect of Conkunitzin-S1 indicates that the (poly)peptide re suitable for modulating the activity of said channel having the activity of a Kv1.7 containing channel; and wherein the determination of essentially no modulatory effect in step (ii) indicates that the (poly)peptide is specifically modulating the activity of channels having the activity of a Kv1.7 containing channel.
    • 本发明涉及具有Conkunitzin-S1生物活性的(多)肽或其肽模拟物,其中所述(多)肽选自(a)包含或具有SEQ ID NO:1的氨基酸序列的多肽 ; (b)与SEQ ID NO:1具有至少85%序列同一性的多肽; 或(c)a)或b)的片段; 其中所述(多)肽或肽模拟物特异性调节具有Kv1.7含有通道活性的通道的活性,用于治疗或预防代谢疾病或病症,或与所述代谢疾病或病症有关的继发性疾病或病症。 本发明还涉及一种筛选衍生自Conkunitzin-S1的(多)肽的方法,其适用于特异性调节含有Kv1.7含有通道活性的通道的活性,其包括:(a)改变氨基酸序列 通过删除和/或插入和/或替换至少一个氨基酸的由SEQ ID NO:1表示的Conkunitzin-S1; (b)确定步骤(a)(i)中获得的(多)肽对具有Kv1.7含有通道活性的通道的调节作用,和(ii)在不具有 含有Kv1.7的通道的活性,其任选地在与具有含有Kv1.7的通道的活性的通道相同的细胞上表达; 其中在步骤(i)中测定的所述(多)肽的调节作用是Conkunitzin-S1的调节作用的至少50%,这表明(多)肽适合于调节具有活性的所述通道的活性 包含Kv1.7通道; 并且其中在步骤(ii)中基本上没有调节作用的测定表明(多)肽特异性调节具有含有Kv1.7的通道的活性的通道的活性。
    • 9. 发明公开
    • Means and methods for treating pseudomonas infection
    • 治疗假单胞菌感染的手段和方法
    • EP2835135A2
    • 2015-02-11
    • EP14172834.5
    • 2014-06-17
    • Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Berlin
    • Grossmann, Tom N.Ottmann, ChristianGlas, AdrianBier, David
    • A61K38/16A61P31/04
    • A61K38/164
    • The present invention relates to a peptide or depsipeptide of formula (I)

               (Y) k X 1 YZ 1 X 2 Z 2 (Y) m      (I),

      wherein X 1 is an α-amino acid residue or an α-hydroxy acid residue of formula (IIa)

               -A-CR 1 R 2 -CO-     (IIa),

      X 2 is an α-amino acid residue or an α-hydroxy acid residue of formula (IIb)

               -A-CR 3 R 4 -CO-     (IIb),

      wherein A is NH or O; R 1 and R 3 are independently selected from H, halogen such as F, substituted or unsubstituted C 1 to C 4 alkyl such as methyl, substituted or unsubstituted aryl and substituted or unsubstituted arylalkyl, aryl being a 5- or 6-membered ring with 0, 1, 2 or 3 heteroatoms, heteroatoms being selected from O, N and S, alkyl in said arylalkyl being C 1 to C 4 alkyl, said alkyl in said arylalkyl optionally being substituted, the term "substituted", when relating to R 1 and R 3 , providing for, as valence permits, 1, 2, 3, 4, 5, 6, 7 or 8 substituents, said substituents being chosen from halogen such as F; R 2 and R 4 together are chosen to be substituted or unsubstituted n-alk-1,ω-diyl or substituted or unsubstituted n-alken-1,ω-diyl, ω being an integer number selected from 6, 7, 8, 9, 10, 11, 12, 13 and 14, the term "substituted", when relating to R 2 and R 4 , providing for 1 or 2, in case of the substituents being halogen 1, 2, 3, 4, 5, 6, 7 or 8 substituents, said substituents being chosen from halogen such as F and C 1 to C 4 alkyl such as methyl, said C 1 to C 4 alkyl in turn optionally being substituted with, as valence permits, 1, 2, 3, 4, 5, 6, 7 or 8 substituents, said substituents being chosen from halogen such as F, and the double bond in said n-alken-1,ω-diyl being at any one of positions 1, 2, 3, 4,... and (ω-1); each occurrence of Y is independently selected to be an α-amino acid or α-hydroxy acid; k is an integer number selected from 0, 1, 2, 3, 4, 5, 6 and 7; m is an integer number selected from 1, 2, 3 and 4; Z 1 is a polar or negatively charged α-amino acid or α-hydroxy acid; and Z 2 is a an aliphatic hydrophobic α-amino acid or α-hydroxy acid; the N-terminus of said peptide or depsipeptide is free; protected, preferably acetylated; or conjugated, preferably to a cell-penetrating peptide or a lipid; and the C-terminus of said peptide or depsipeptide is free; protected, preferably amidated; or conjugated, preferably to a cell-penetrating peptide or a lipid.
    • 本发明涉及式(I)(Y)kX1YZ1X2Z2(Y)m(I)的肽或缩肽,其中X1是式(IIa)-A- (IIb)-A-CR 3 R 4 -CO-(IIb)的α-氨基酸残基或α-羟基酸残基,其中A是NH或O; R1和R3独立地选自H,卤素如F,取代或未取代的C1至C4烷基如甲基,取代或未取代的芳基和取代或未取代的芳基烷基,芳基为与0,1或2元连接的5元或6元环, 2或3个杂原子,杂原子选自O,N和S,所述芳基烷基中的烷基为C 1 -C 4烷基,所述芳基烷基中的所述烷基任选被取代,当涉及R 1和R 3时,术语“取代的” 作为化合价允许有1,2,3,4,5,6,7或8个取代基,所述取代基选自卤素如F; R2和R4一起被选择为取代或未取代的n-烷基-1,ω-二基或取代或未取代的n-链烯-1,ω-二基,ω是选自6,7,8,9,10的整数 ,11,12,13和14中,当涉及R2和R4时,术语“取代的”提供1或2,在取代基为卤素1,2,3,4,5,6,7或8的情况下 取代基,所述取代基选自卤素如F和C1-C4烷基如甲基,所述C1-C4烷基进而任选地被1,2,3或4个取代基取代, 8个取代基,所述取代基选自卤素如F,并且所述正链烯-1,ω-二基中的双键位于1,2,3,4,...和(ω-1) ); 每次出现的Y独立地选择为α-氨基酸或α-羟基酸; k是选自0,1,2,3,4,5,6和7的整数; m是选自1,2,3和4的整数; Z1是极性或带负电荷的α-氨基酸或α-羟基酸; Z2是脂肪族疏水性α-氨基酸或α-羟基酸; 所述肽或缩肽的N-末端是游离的; 保护的,优选乙酰化的; 或缀合的,优选地与细胞穿透肽或脂质偶联; 并且所述肽或缩肽的C末端是游离的; 受保护的,优选酰胺化的; 或缀合的,优选地与细胞穿透肽或脂质缀合。