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    • 1. 发明公开
    • MEDICAL AGENT FOR SUPPRESSING MALIGNANT TUMOR METASTASIS
    • 用于抑制恶性肿瘤转移的医疗剂
    • EP3189835A1
    • 2017-07-12
    • EP17153823.4
    • 2012-02-27
    • National Cerebral and Cardiovascular CenterOSAKA UNIVERSITYShionogi & Co., Ltd.
    • KANGAWA, KenjiHOSODA, HiroshiNOJIRI, TakashiOKUMURA, Meinoshin
    • A61K31/167A61K38/22A61P25/00
    • A61K38/22A61K31/167A61K38/2242A61K39/3955A61K45/06C07K14/58C07K2319/30C07K2319/31A61K2300/00
    • The present invention relates to a natriuretic peptide receptor GC-B agonist for use in preventing or suppressing the metastasis of a malignant tumor, wherein the natriuretic peptide receptor GC-B agonist is any one selected from the following (b1) to (b5) or a pharmacologically acceptable salt thereof and has an agonist activity for the natriuretic peptide receptor GC-B: (b1) a c-type natriuretic peptide consisting of the amino acid sequence of SEQ ID NO: 7, 8, 9 or 10, (b2) a substance comprising an active fragment, where in it has the amino acid sequence of SEQ ID NO: 11, or wherein it consists of the amino acid sequence from position 6 to position 22 of SEQ ID NO: 7, (b3) a mutant wherein it is (i) a peptide consisting of the amino acid sequence of SEQ ID NO: 7, 9 or 10 having substitution, deletion, insertion, and/or addition of one to several amino acids selected from positions 1 to 5, (ii) a peptide consisting of the amino acid sequence of SEQ ID NO: 8 having substitution, deletion, insertion, and/or addition of one to several amino acids at any one to several positions selected from positions 1 to 36: (b4) a derivative comprising any one of the amino acid sequences of SEQ ID Nos: 7 to 11, wherein the derivative preferably further comprises at least one of the Fc region of an immunoglobulin, a serum albumin, and the C-terminus of ghrelin, and (b5) a modified form wherein it comprises any one of the amino acid sequences of SEQ ID Nos: 7 to 10 of the sequence listing, and at least one amino acid other than the amino acids shown in SEQ ID NO: 11 is chemically modified, or wherein it is prepared by chemical modification by addition of a pharmaceutically usable polymer.
    • 本发明涉及用于预防或抑制恶性肿瘤的转移的利尿钠肽受体GC-B激动剂,其中钠利尿肽受体GC-B激动剂是选自以下(b1)至(b5)或 (b1)由SEQ ID NO:7,8,9或10的氨基酸序列组成的c型利尿钠肽,(b2)由利钠肽受体GC-B的激动剂活性 包含活性片段的物质,其中它具有SEQ ID NO:11的氨基酸序列,或其中它由SEQ ID NO:7的6位至22位的氨基酸序列组成,(b3)突变体,其中 (i)由选自1至5位的一个至数个氨基酸取代,缺失,插入和/或添加的由SEQ ID NO:7,9或10的氨基酸序列组成的肽,(ii) 由具有取代,缺失的SEQ ID NO:8的氨基酸序列组成的肽 (b4)包含SEQ ID No:7至11的氨基酸序列中的任何一个的衍生物,其中在选自1至36位的任何一个至数个位置处具有一个至数个氨基酸的离子,插入和/ 该衍生物优选进一步包含免疫球蛋白的Fc区,血清白蛋白和生长素释放肽的C-末端中的至少一个,和(b5)其中它包含SEQ ID Nos: 序列表7至10中的至少一个氨基酸以及SEQ ID NO:11中所示的氨基酸以外的至少一个氨基酸被化学修饰,或者其中通过添加可药用聚合物通过化学修饰来制备。