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    • 4. 发明公开
    • 변형된 cDNA 인자 Ⅷ 및 이의 유도체
    • 修饰的CDNA因子VIII及其衍生物,以产生FVIIIA和ADMINISTER LESS FREQUENT FVIII PREPARATION
    • KR1020040047698A
    • 2004-06-05
    • KR1020030085152
    • 2003-11-27
    • 체에스엘 베링 게엠베하
    • 하우저한스-페터바이메르토마스필립스마틴
    • C12N15/12A61K38/37
    • A61K38/37C07K14/755
    • PURPOSE: A modified cDNA factor VIII and derivatives thereof are provided, thereby creating a FVIIIa in which the A2 domain is stabilized without completely blocking inactivation, and administering less frequently a FVIII preparation because a FVIII has enhanced plasma half life. CONSTITUTION: The modified human factor VIII cDNA wherein mutations are inserted either in the wild-type factor VIII cDNA or in a factor VIII cDNA in which the B-domain is partially or completely deleted and may be replaced by a DNA linker segment is characterized in that (A) one or several codons of the human factor VIII cDNA which are not identical with the corresponding codon in the same position of the porcine factor VIII cDNA are substituted by a different codon in such a way that when the human sequence contains a codon for a neutral amino acid whereas the porcine sequence contains a codon for a charged amino acid then a codon for an amino acid with the same charge as found in the porcine sequence is introduced into the human sequence; when the human sequence contains a codon for a charged amino acid whereas the porcine sequence contains a codon for a neutral amino acid then a codon for a neutral amino acid or a codon for an amino acid of the opposite charge is introduced into the human sequence, when the human sequence contains a codon for a charged amino acid whereas the porcine sequence contains a codon for an amino acid with the opposite charge then a codon for an amino acid with the opposite charge is introduced into the human sequence; or (B) one or several codons for a charged amino acid which are found in the FVIII cDNA of a hemophilic patient are replaced by a codon for an amino acid of the opposite charge.
    • 目的:提供修饰的cDNA因子VIII及其衍生物,从而产生FVIIIa,其中A2结构域稳定而不完全阻断失活,并且由于FVIII具有增强的血浆半衰期,因此施用FVIII制剂较少。 构成:修饰的人因子VIII cDNA,其中突变插入野生型因子VIII cDNA或其中B结构域部分或完全缺失并可被DNA接头片段代替的因子VIII cDNA中的特征在于 与(A)与人因子VIII cDNA的相同密码子不同的人因子VIII cDNA的一个或几个密码子被不同的密码子取代,当人序列含有密码子时 对于中性氨基酸,而猪序列含有带电荷的氨基酸的密码子,则将与猪序列中所述相同电荷的氨基酸的密码子引入人序列; 当人序列含有带电荷氨基酸的密码子,而猪序列含有中性氨基酸的密码子时,则将中性氨基酸的密码子或相反电荷的氨基酸的密码子引入人序列中, 当人序列含有带电氨基酸的密码子,而猪序列含有具有相反电荷的氨基酸的密码子时,将具有相反电荷的氨基酸的密码子引入人序列; 或(B)在血友病患者的FVIII cDNA中发现的带电荷氨基酸的一个或几个密码子被相反电荷的氨基酸的密码子替代。
    • 6. 发明公开
    • 혈액-응고 장애의 개선된 치료를 위한 약제학적 제제
    • 含有一种或多种因子的药物制剂VIII-衍生的肽具有改善血液洗涤病症的作用,因为肽被输入或化学地掺入到具有增强的等离子体半衰期的更多的大量等离子体蛋白质,优选的碱性
    • KR1020040072463A
    • 2004-08-18
    • KR1020040007898
    • 2004-02-06
    • 체에스엘 베링 게엠베하
    • 하우저한스-페터바이머토마스크론탈러울리히
    • A61K38/38
    • A61K38/38A61K38/37A61K48/00C07K14/755C07K14/765C07K2319/00
    • PURPOSE: A pharmaceutical preparation containing one or several factor VIII-derived peptides which increase the plasma half life of factor VIII is provided. The peptides are infused with or chemically bound to larger plasma proteins having enhanced plasma half life, preferably albumin, thereby improving a blood clotting disorder. Also are provided the peptides, their DNA-sequences, their recombinant expression as albumin fusion proteins and vectors containing the DNA-sequences as well as host cells for the recombinant expression vectors and the use of such DNA-sequences in a transfer vector for gene therapy. CONSTITUTION: The pharmaceutical preparation for the improved treatment of blood-clotting disorders contains: peptides including one or several binding sites for low-density lipoprotein receptor-related protein(LRP) of heparan sulfate proteoglycans(HSPG) and/or human factor VIII sequence; and wild-type factor VIII and mutants of factor VIII coagulation activity. The peptide contains amino acid 558 and/or 484 to 509 of A2 subunit of human factor VIII. The albumin-infused proteins contain a thrombin cleavage site between human albumin amino acid sequence and human factor VIII sequence.
    • 目的:提供一种含有一种或多种因子VIII衍生的肽,其增加因子VIII的血浆半衰期。 将肽掺入或化学结合到具有增强的血浆半衰期的较大血浆蛋白质中,优选白蛋白,从而改善血液凝固病症。 还提供了肽,它们的DNA序列,它们作为白蛋白融合蛋白的重组表达和含有DNA序列的载体以及用于重组表达载体的宿主细胞,以及在转移载体中使用这样的DNA序列进行基因治疗 。 构成:用于改善血液凝固病症治疗的药物制剂包含:包括硫酸乙酰肝素蛋白聚糖(HSPG)和/或人因子VIII序列的低密度脂蛋白受体相关蛋白(LRP)的一个或几个结合位点的肽; 和野生型因子VIII和因子VIII凝血活性的突变体。 该肽含有人因子VIII的A2亚基的氨基酸558和/或484至509。 白蛋白输注的蛋白质含有人白蛋白氨基酸序列与人因子VIII序列之间的凝血酶切割位点。