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    • 3. 发明专利
    • GENE THERAPY UTILIZING TGF-β
    • 使用TGF-β的基因治疗
    • JP2009019039A
    • 2009-01-29
    • JP2008176059
    • 2008-07-04
    • Tissuegene Incティシュージェン インコーポレイテッド
    • NOH MOON JONGKANG KYOUNG AELEE KWAN HEE
    • A61K48/00C12N15/09A61K35/12A61K35/28A61K35/32A61K35/76A61K38/04A61K38/18A61K38/22A61P19/02C07K14/495C12N5/10
    • C07K14/495A61K35/12A61K38/1841A61K48/00
    • PROBLEM TO BE SOLVED: To provide a new treating method for treating regressive arthritis. SOLUTION: A cell-mediated gene therapy utilizing one member belonging to a transforming growth factor-β (TGF-β) superfamily is provided for treating orthopedic diseases. After transfection of TGF-β cDNA expression vectors into fibroblasts (NIH 3T3-TGF-β1), the cells were injected into an achilles tendon and a knee joint of a rabbit with artificially-made cartilage defects. Intratendinous injections were performed to determine the optimal concentration for in vivo expression. Partially defected cartilage model was made to confirm stimulation of regressive arthritis of the knee joint. The partial cartilage defect treated with the cell-mediated gene therapy procedure was covered with newly formed hyaline cartilage, which indicates that the cells are survived and stimulated of matrix formation in this region. Completely denuded cartilage areas were covered with fibrous collagen. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供治疗退行性关节炎的新的治疗方法。 解决方案:提供一种利用属于转化生长因子-β(TGF-β)超家族的成员的细胞介导的基因治疗用于治疗整形外科疾病。 将TGF-βcDNA表达载体转染到成纤维细胞(NIH 3T3-TGF-β1)后,将细胞注射到兔子的跟腱和膝关节中,人工制造的软骨缺损。 进行Intratendinous注射以确定体内表达的最佳浓度。 进行部分缺陷的软骨模型,以确认膝关节退行性关节炎的刺激。 用细胞介导的基因治疗程序处理的部分软骨缺损被新形成的透明软骨覆盖,这表明细胞在该区域存活并刺激基质形成。 完全剥落的软骨区域被纤维胶原覆盖。 版权所有(C)2009,JPO&INPIT
    • 4. 发明专利
    • GENE THERAPY USING TGF-β
    • 使用TGF-β进行基因治疗
    • JP2007008950A
    • 2007-01-18
    • JP2006195771
    • 2006-07-18
    • Tissuegene Incティシュージェン インコーポレイテッド
    • NOH MOON JONGKANG KYOUNG AELEE KWAN HEE
    • A61K48/00C12N15/09A61K35/12A61K35/32A61K35/76A61K38/18A61K38/22A61P19/02C07K14/495C12N5/10
    • C07K14/495A61K35/12A61K38/1841A61K48/00
    • PROBLEM TO BE SOLVED: To provide a gene therapy for treatment of degenerative arthritis. SOLUTION: The invention relates to the gene therapy treatment comprising preparation of expression vectors encoding one factor belonging to the transforming growth factor-beta (TGF-beta) superfamily which includes a DNA sequence linked to the promotor, transfection of the expression vectors into cultured connective tissue cells (fibroblasts, etc.), and injection of the transformed connective tissue cells into mammal host's arthritis articular cavity to promote regeneration of the connective tissue, hyaline cartilage or the like in the articular cavity. Partially defected cartilage model was made to stimulate degenerative arthritis of the knee joint. The partial cartilage defect treated with the cell-mediated gene therapy procedure was covered by newly formed hyaline cartilage which indicates that the cells survived and stimulated matrix formation in this area. Completely denuded cartilage areas were covered by fibrous collagen. COPYRIGHT: (C)2007,JPO&INPIT
    • 待解决的问题:提供治疗退行性关节炎的基因疗法。 解决方案:本发明涉及基因治疗治疗,包括制备编码属于转化生长因子-β(TGF-β)超家族的一个因子的表达载体,其包括与启动子连接的DNA序列,转染表达载体 转化为培养的结缔组织细胞(成纤维细胞等),将转化的结缔组织细胞注射到哺乳动物宿主的关节炎关节腔中,以促进关节腔中的结缔组织,透明软骨等的再生。 部分缺损的软骨模型被用来刺激膝关节退行性关节炎。 用细胞介导的基因治疗程序处理的部分软骨缺损被新形成的透明软骨覆盖,表明细胞存活并刺激了该区域的基质形成。 完全剥落的软骨区域被纤维胶原覆盖。 版权所有(C)2007,JPO&INPIT