Synthesis of functional human hemoglobin and other proteins in erythroid
tissues of transgenic animals
    1.
    发明授权
    Synthesis of functional human hemoglobin and other proteins in erythroid tissues of transgenic animals 失效
    在转基因动物的红细胞组织中合成功能性人血红蛋白和其他蛋白质

    公开(公告)号:US5766884A

    公开(公告)日:1998-06-16

    申请号:US466443

    申请日:1995-06-06

    摘要: The present invention relates to the synthesis of functional human hemoglobin and other proteins in erythroid tissues of transgenic non-human animals and erythroid cell lines. It is based on the discovery that two of the five hypersensitivity sites of the .beta.-globin locus are sufficient to result in high level expression of human .alpha.- or .beta.-globin transgenes. The present invention also provides for novel recombinant nucleic acid vectors which may be used to produce .alpha.-globin as well as other proteins of interest in quantity in the red blood cells of transgenic animals or cell cultures of erythroid lineage. The vectors of the invention comprise at least one of the major DNase I hypersensitivity sites associated with the .beta.-globin locus together with a gene of interest. In a specific embodiment of the invention, a vector which comprises two DNase I hypersensitivity sites together with the human .alpha.-globin gene is used to create transgenic animals which produce human .alpha.-globin protein in erythroid tissues, including red blood cells. In a preferred specific embodiment of the invention, transgenic animals are created which comprise human .alpha.-globin and .beta.-globin genes, each under the transcriptional influence of two .beta.-globin locus DNase hypersensitivity sites; these transgenic animals express human hemoglobin in their erythroid tissues, and can be used to produce human hemoglobin in quantity.

    摘要翻译: 本发明涉及转基因非人动物和红系细胞系的红细胞组织中功能性人血红蛋白和其他蛋白质的合成。 基于以下发现:β-珠蛋白基因座的五个超敏性位点中的两个足以导致人α或β-珠蛋白转基因的高水平表达。 本发明还提供新的重组核酸载体,其可用于在转基因动物或红细胞谱系的细胞培养物的红细胞中产生量的α-珠蛋白以及其它目标蛋白。 本发明的载体包含与β-球蛋白基因座相关联的主要DNA酶I超敏反应位点与感兴趣的基因中的至少一种。 在本发明的一个具体实施方案中,使用包含两个DNA酶I超敏反应位点与人α-珠蛋白基因一起的载体来产生在包括红细胞在内的红细胞组织中产生人α-珠蛋白的转基因动物。 在本发明的优选具体实施方案中,产生包含人α-珠蛋白和β-珠蛋白基因的转基因动物,每个基因在两个β-球蛋白基因座DNA酶超敏位点的转录影响下; 这些转基因动物在其红细胞组织中表达人血红蛋白,并且可用于量产生人血红蛋白。

    Synthesis of functional human hemoglobin and other proteins in erythroid
tissues of transgenic animals
    6.
    发明授权
    Synthesis of functional human hemoglobin and other proteins in erythroid tissues of transgenic animals 失效
    在转基因动物的红细胞组织中合成功能性人血红蛋白和其他蛋白质

    公开(公告)号:US5602306A

    公开(公告)日:1997-02-11

    申请号:US275313

    申请日:1994-07-13

    摘要: The present invention relates to the synthesis of functional human hemoglobin and other proteins in erythroid tissues of transgenic non-human animals and erythroid cell lines. It is based on the discovery that two of the five hypersensitivity sites of the .beta.-globin locus are sufficient to result in high level expression of human .alpha.- or .beta.-globin transgenes. The present invention also provides for novel recombinant nucleic acid vectors which may be used to produce .alpha.-globin as well as other proteins of interest in quantity in the red blood cells of transgenic animals or cell cultures of erythroid lineage. The vectors of the invention comprise at least one of the major DNase I hypersensitivity sites associated with the .beta.-globin locus together with a gene of interest. In a specific embodiment of the invention, a vector which comprises two DNase I hypersensitivity sites together with the human .alpha.-globin gene is used to create transgenic animals which produce human .alpha.-globin protein in erythroid tissues, including red blood cells. In a preferred specific embodiment of the invention, transgenic animals are created which comprise human .alpha.-globin and .beta.-globin genes, each under the transcriptional influence of two .beta.-globin locus DNase hypersensitivity sites; these transgenic animals express human hemoglobin in their erythroid tissues, and can be used to produce human hemoglobin in quantity.

    摘要翻译: 本发明涉及转基因非人动物和红系细胞系的红细胞组织中功能性人血红蛋白和其他蛋白质的合成。 基于以下发现:β-珠蛋白基因座的五个超敏性位点中的两个足以导致人α或β-珠蛋白转基因的高水平表达。 本发明还提供新的重组核酸载体,其可用于在转基因动物或红细胞谱系的细胞培养物的红细胞中产生量的α-珠蛋白以及其它目标蛋白。 本发明的载体包含与β-球蛋白基因座相关联的主要DNA酶I超敏反应位点与感兴趣的基因中的至少一种。 在本发明的一个具体实施方案中,使用包含两个DNA酶I超敏反应位点与人α-珠蛋白基因一起的载体来产生在包括红细胞在内的红细胞组织中产生人α-珠蛋白的转基因动物。 在本发明的优选具体实施方案中,产生包含人α-珠蛋白和β-珠蛋白基因的转基因动物,每个基因在两个β-球蛋白基因座DNA酶超敏位点的转录影响下; 这些转基因动物在其红细胞组织中表达人血红蛋白,并且可用于量产生人血红蛋白。

    Nucleic acid vectors comprising DNase I hypersensitive sites
    8.
    发明授权
    Nucleic acid vectors comprising DNase I hypersensitive sites 失效
    包含DNase I过敏位点的核酸载体

    公开(公告)号:US6022736A

    公开(公告)日:2000-02-08

    申请号:US471483

    申请日:1995-06-06

    摘要: The present invention provides novel recombinant nucleic acid vectors which may be used to produce .alpha.-globin as well as other proteins of interest in quantity in the red blood cells of transgenic animals or cell cultures of erythroid lineage. The present invention also provides for the transgenic animals which contain these recombinant nucleic acid vectors. The vectors of the invention comprise at least one of the major DNase I hypersensitivity sites associated with the .beta.-globin locus together with a gene of interest. According to various embodiments of the invention, the vectors may be used to create transgenic animals or to transfect cells in culture. In a specific embodiment of the invention, a vector which comprises two DNase I hypersensitivity sites together with the human .alpha.-globin gene is used to create transgenic animals which produce human .alpha.-globin protein in erythroid tissues, including red blood cells. In a preferred specific embodiment of the invention, transgenic animals are created which comprise human .alpha.-globin and .beta.-globin genes, each under the transcriptional influence of two .beta.-globin locus DNase hypersensitivity sites; these transgenic animals express human hemoglobin in their erythroid tissues, and can be used to produce human hemoglobin in quantity.

    摘要翻译: 本发明提供新的重组核酸载体,其可用于在转基因动物或红细胞谱系的细胞培养物的红细胞中产生量的α-珠蛋白以及其它目标蛋白。 本发明还提供含有这些重组核酸载体的转基因动物。 本发明的载体包含与β-球蛋白基因座相关联的主要DNA酶I超敏反应位点与感兴趣的基因中的至少一种。 根据本发明的各种实施方案,载体可用于产生转基因动物或转染培养物中的细胞。 在本发明的一个具体实施方案中,使用包含两个DNA酶I超敏反应位点与人α-珠蛋白基因一起的载体来产生在包括红细胞在内的红细胞组织中产生人α-珠蛋白的转基因动物。 在本发明的优选具体实施方案中,产生包含人α-珠蛋白和β-珠蛋白基因的转基因动物,每个基因在两个β-球蛋白基因座DNA酶超敏位点的转录影响下; 这些转基因动物在其红细胞组织中表达人血红蛋白,并且可用于量产生人血红蛋白。