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    • 7. 发明申请
    • DISINTEGRIN VARIANTS AND PHARMACEUTICAL USES THEREOF
    • DISINTEGRIN变体及其药物用途
    • WO2008088548A2
    • 2008-07-24
    • PCT/US2007026125
    • 2007-12-21
    • UNIV NAT TAIWANDCB USA LLCCHUANG WOEI-JERFU WEN-MEIHUANG TUR-FUHUANG WENYATANG CHIH-HSINCHEN CHIU-YUEH
    • CHUANG WOEI-JERFU WEN-MEIHUANG TUR-FUHUANG WENYATANG CHIH-HSINCHEN CHIU-YUEH
    • A61K38/02A61K38/08A61K38/16A61P35/00C07H21/00C07K2/00C07K7/06C07K14/00C12P21/00
    • C07K14/46A61K38/00C07K14/745
    • Disintegrin variants and pharmaceutical uses thereof are disclosed. The disintegrin variant includes an isolated polypeptide that has integrin avß3 receptor-antagonist activity and substantially reduced integrin aIIbß3 and/or a5ß1 receptor-blocking activity as compared to a wild-type disintegrin. The variant is encoded by a modified disintegrin nucleotide sequence that encodes a modified amino acid sequence, resulting in a polypeptide having substantially reduced affinity to integrin aIIbß3 and/or a5ß1 as compared to a wild-type disintegrin. The variant is useful for treatment and/or prevention of avß3 integrin-associated diseases in a mammal, which include osteoporosis, bone tumor or cancer growth, angiogenesis-related tumor growth and metastasis, tumor metastasis in bone, malignancy-induced hypercalcemia, angiogenesis-related eye diseases, Paget's disease, rheumatic arthritis, and osteoarthritis. The angiogenesis-related eye diseases include age-related macular degeneration, diabetic retinopathy, corneal neovascularizing diseases, ischaemia-induced neovascularizing retinopathy, high myopia, and retinopathy of prematurity.
    • 公开了解联蛋白变体及其药物用途。 与野生型解联蛋白相比,解联蛋白变体包括具有整联蛋白αvβ3受体拮抗剂活性和显着降低的整联蛋白αIIbβ3和/或α5β1受体阻断活性的分离的多肽。 该变体由编码修饰的氨基酸序列的修饰的解联蛋白核苷酸序列编码,与野生型解联蛋白相比,导致与整联蛋白αIIbβ3和/或α5β1具有显着降低的亲和力的多肽。 该变体可用于治疗和/或预防哺乳动物中的avβ3整联蛋白相关疾病,包括骨质疏松症,骨肿瘤或癌症生长,血管生成相关的肿瘤生长和转移,骨中的肿瘤转移,恶性肿瘤诱发的高钙血症,血管生成 - 相关的眼疾,佩吉特病,风湿性关节炎和骨关节炎。 与血管生成相关的眼病包括年龄相关性黄斑变性,糖尿病性视网膜病,角膜新血管形成疾病,局部缺血诱导的新血管生成性视网膜病,高度近视和早产儿视网膜病。